The correct answer is an active site.
The active site, in biology, refers to the region of an enzyme where the molecules of substrate combine and goes through a chemical reaction. The active site comprises of the residues, which produce temporary bonds with the binding site (substrate) and residues that catalyze a reaction of that substrate, that is, the catalytic site.
Active site is a specific region of an enzyme where a substrate binds and the chemical reaction occurs.
Explanation:The active site is the region of an enzyme where substrate molecules bind and undergo a chemical reaction.
It consists of two sites:
Binding site:It consists of residues that form temporary bonds with the substrate.
Catalytic site:It consists of residues that catalyze a reaction of that substrate.
Macromolecules are formed by combining single units, called _________, together to form a chain, called ___________.
Question 1 options:
A). Monosaccharides; proteins
B). Monomers; polymers
C). Atoms; elements
The answer is B, because Macromolecules are formed by combining single units, called Monomers. The monomers combine with each other using covalent bonds to form larger molecules known as polymers.
Macromolecules are formed by combining single units, called monomers, together to form a chain, called polymers.
Answer: Option B
Explanation:
Polymers are substances that are formed when many molecules of monomers are linked together to form a complete chain, this may be a homopolymer when identical monomers are linked together or a heteropolymer in which non identical monomers are linked together.
Many of our biomolecules are polymers that arise by continuous linkage of monomers for example protein which contains amino acids as its monomers.
Which of the following explains why starch is a polymer?
A. organic compound molecule
B. contains carbon-based functional groups
C. high mobility as a result of its long length
D. repetitive combination of simple subunits
Starch is a polymer because it contains a repetitive combination of simple subunits.
Starch is a macromolecule that is made up of glucose subunits. Thus it can be broken down into its subunits using relevant chemical processes.
Molecules that are made up of simpler subunits linked together by chemical bonds are known as polymers.
Apart from starch, other examples of polymers include proteins, DNA, RNA, etc.
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A food chain is a model that represents how energy and matter are transferred through an ecosystem.
Typically, a food chain has five or fewer links because
A. no organism exists that eats more than five types of food.
B. there are only three categories of organism—producers, consumers, and decomposes.
C. the amount of energy available decreases with the addition of each link.
D. humans are the top predators and are always the fifth link.
Answer: Option C
Explanation:
The food chain is a model which is used to show the inter linking of the animals with each other and interdependence of animals and their food on each other.
There are only fewer animals in a food chain because the energy decreases as we up in the the food chain. If there is any other link added to the food chain the energy will decrease more. Only 10 percent of the total energy is transferred from one level to another.
So, because of this reason only fewer levels are found in the food chain.
Final answer:
A typical food chain has five or fewer links because the available energy decreases at each successive trophic level due to energy loss as heat and in metabolic processes, limiting the length of the chain.
Explanation:
A food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another. Typically, a food chain has five or fewer links because the amount of energy available decreases with the addition of each link. At each trophic level in the food chain, energy is lost due to metabolic processes and as heat. Therefore, there is less energy available at each successive level, which naturally limits the length of the food chain. There are multiple levels in a food chain, including producers, primary consumers, higher-level consumers, and decomposers, but each is connected through a single path showing the flow of energy and nutrients.
PLZ HELP, WILL MARK BRAINLIEST
1. active transport requires the body to use
ADP
ATP
Sugar molecules
2. If your blood cells are placed into pure water, they will
Most likely shrink
Most likely explode
Most likely remain unchanged
i hope this helps you !!!!!!
1.ATP
2.If a red blood cell is placed in water, water enters the cell by osmosis. Because the membrane is quite weak the cell WILL BURST as the volume and therefore the pressure in the cell increases. Red blood cells shrink when placed in concentrated solutions of sugar as water moves out of them by osmosis. so answer is C
2) Most likely shrink
what was surprising toscientists about hurricane floyd
The hurricane Floyd took place in the East Coast of the United States during 1999. It caused extensive destruction in its path. However, there was one fact that was astonishing for the scientists is that in spite of causing such a mass destruction on the terrestrial surface, the hurricane resulted in no harm to the aquatic life. That is, no major fishes were killed during the hurricane.
Enzymes are biological compounds that act as _________ and help complex reactions occur everywhere in life.
proteins
amino acids
catalysts
herbicides
The answer to your question is,
Catalysts
-Mabel <3
The right option is (C) as Catalyst
ExplanationEnzymes are the biological compounds that Operate as catalyst and accommodate complex reaction occurs in the body-of living organism. They provide the activation energy to the biochemical reactions to just speed up the reactions (without being consumed by itself) and remain unchanged at the end of the reaction.
Suggest what happens to the break down of starch when it reaches the stomach.
When starch enters the mouth, it is acted upon by salivary amylase, an enzyme that breaks starch down into maltose. It is not fully digested however, because by the time it reaches the stomach, the enzymes would not have the time to fully break it down.
What happens to carbohydrate/ starch when it reaches the stomach is that your body would break down the stuff and turn it to sugar and then the sugar would enter your blood stream.
**20 POINTS! PLEASE HELP!**
Which of the following might be connected to "temperature climates"?
a. Solar Energy hits these regions at a low angle.
b. Year-round tempatures are always hot.
c. Weather generally changes with the seasons-hot in summer, cold in winter, and mild in spring and fall.
c. Weather generally changes with the seasons-hot in summer, cold in winter, and mild in spring and fall.
jelly-like' substance where a cell's chemical reactions take place
The 'jelly-like' substance in a cell where chemical reactions take place is known as the cytosol or cytoplasm. It houses cellular organelles and carries various essential substances. All metabolic processes, including protein synthesis, occur within the cytoplasm.
Explanation:The 'jelly-like' substance where a cell's chemical reactions take place is referred to as the cytosol or cytoplasm. It comprises of the entire region of the cell between the plasma membrane and the nuclear envelope. The cytoplasm is made up of organelles suspended in the semi-solid cytosol, the cytoskeleton, and various chemicals. These include proteins, glucose, simple sugars, polysaccharides, amino acids, nucleic acids, and fatty acids, among others. Dissolved ions such as sodium, potassium, and calcium are also present in the cytoplasm.
All the cell's metabolic reactions, including protein synthesis, occur in the cytoplasm. Additionally, the cytoplasm contains cellular organelles, each performing a unique function to keep the cell healthy and performing its series of essential activities.
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Select all the correct answers. For a claim about the natural world to be considered scientific, what attributes must it have? It must be open to modification if new evidence doesn't completely support it. It must be consistent with only a small portion of relevant observations or data. It must be applicable to future events and occurrences. It must be based on scientific observations that can be repeated in a controlled setting.
For a claim about the natural world to be considered scientific, it must be open to modification, applicable to future events, and based on repeatable scientific observations.
Explanation:In order for a claim about the natural world to be considered scientific, it must have certain attributes:
It must be open to modification if new evidence doesn't completely support it. This means that a scientific claim should be flexible and subject to change if new evidence is presented that contradicts it.It must be applicable to future events and occurrences. A scientific claim should have predictive power and be able to make accurate predictions about future events based on the current understanding of the natural world.It must be based on scientific observations that can be repeated in a controlled setting. A scientific claim should be supported by empirical evidence that can be replicated and tested by other scientists.Learn more about Scientific Method here:https://brainly.com/question/8483218
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All eukaryotic cells contain small bodies known as _______. Organelles lipids miniscules
Answer:
organelles
Explanation:
Which term best describes the process that increases the quantity of cells
Final answer:
The process that increases the quantity of cells within a tissue is called hyperplasia, which leads to tissue and organ enlargement. This is part of the growth processes in multicellular organisms, where plants also grow through cell division and expansion in the meristems.
Explanation:
The term that best describes the process that increases the quantity of cells within a tissue is hyperplasia. Hyperplasia is a cellular response characterized by an increase in the number of cells, which can lead to an enlargement of tissue mass and organ size. In humans and other multicellular organisms, growth occurs not only through hyperplasia but also by increasing the non-cellular material around cells, and to a limited extent, enlarging the size of existing cells.
In the context of plant growth, the increase in the size of plants occurs as individual cells, produced by cell divisions in the meristems, expand. This is a key aspect of the growth processes in plants. Additionally, there is a phase known as the exponential or log phase, during which cells undergo predictable doublings in their numbers, a phase that is essential for rapid growth and is ideal for experiments due to the uniformity and health of the cells.
Being interested in penguins, Paul wanted to study the effect of fast food hamburgers on the weight of penguins. After many trials of trying to get the penguins to eat the burgers, Paul became frustrated at the fact that the penguins were losing weight and not eating any of the burgers. Why was Paul's experiment not a complete waste of time and resources?
The experiment conducted by Paul was not a waste of his time and resources even though he could not accomplish the experiment he initially prepared to conduct. The reluctance of the penguins to eat burgers even though they were starving and losing weight pointed towards the fact that they do not find junk food appealing. It could be concluded from their reluctance that they will eat only their normal diet rather than something they have never eaten before.
Answer:
its's D) Paul found that fast food burgers cause penguins to lose weight.
Explanation:
Nutrients and waste are exchanged between osteocytes through the
A) bony matrix
B) many canaliculi
C) haversian canals
D) collagen fibers
The correct answer is option B, that is, many canaliculi.
The fundamental unit of a compact bone is an osteon that is also called a Haversian system. The Haversian system exhibits a cylindrical composition, which comprises of four components, that is, the Haversian canal, lamellae, lacunae, and canaliculi.
The lacunae are associated together with the help of minute channels known as canaliculi. The canaliculi offer passages through which nutrients can reach the osteocytes and waste components can leave them.
Answer:
The correct answer is option B, that is, many canaliculi.
Explanation:
In fruit flies the allele for long wings is dominat ans the allele for short qings is recessive what is likely genitype of sa friuit fly long wings
Malaria kills two million people a year and is caused by what
Which of the following apply to homeostasis? Select all that apply.
A: Homeostasis can occur at the cellular level.
B: Homeostasis can occur at the system level.
C: Homeostasis does not occur in plants.
D: Homeostasis does not occur in bacteria.
E: Homeostasis is a characteristic of life.
Final answer:
Homeostasis refers to the process by which living organisms maintain a stable internal state despite changes in the external environment, and it is a characteristic of life that occurs at both cellular and system levels. It is evident in all forms of life, including plants and bacteria, contrary to the false statements C and D.
Explanation:
The concept of homeostasis applies to the natural balance within the internal environment of living organisms, including adjusting to changes to maintain a stable state. It is fundamental to the survival and function of all life forms.
A: Homeostasis can occur at the cellular level. Indeed, individual cells regulate their internal environment.
B: Homeostasis can occur at the system level. Organ systems such as the nervous and endocrine systems work to maintain the overall body's homeostasis.
C: Homeostasis does not occur in plants. This statement is false. Plants maintain homeostasis, for example, through stomatal regulation to control water loss.
D: Homeostasis does not occur in bacteria. This statement is false. Bacteria also maintain an internal balance, adjusting to changes in their environment.
E: Homeostasis is a characteristic of life. It is indeed a defining characteristic shared by all living organisms.
What two concerns most likely led scientists to develop an omega-3 pig?
Today’s food consumption (includes high consumption of pork) had led to an increase in the omega-6 (n-6) to omega-3 (n-3) fatty acid ratio in humans. This imbalance in the fatty acids ratio has been associated with diseases such as cardiovascular and inflammatory diseases, diabetes and autoimmune disorders. So, scientist “created” transgenic pigs that produce omega-3 fatty acids, in order to improve heart function and help reduce the risks for heart disease.
Scientists developed an omega-3 pig primarily to improve public health by increasing omega-3 fatty acid intake and to enhance food quality traits by providing meat with added health benefits.
Two main concerns likely led scientists to develop an omega-3 pig. Firstly, improving public health by increasing the intake of omega-3 fatty acids, which are known to reduce the risk of sudden death from heart attacks, lower blood pressure, and reduce inflammation. With modern diets heavily skewed towards omega-6 fatty acids, incorporating omega-3-rich meat can help achieve a better omega-3 and omega-6 balance.
Secondly, the intention to enhance food quality traits by producing meat with added health benefits. Transgenic pigs rich in omega-3 fatty acids would offer consumers a healthier option, potentially leading to improved overall public health outcomes.
What do asteroids and comets have in common ? Check all that apply
Asteroids and comets have in common with only some aspects. Both, they are heavenly bodies which revolve around the sun. They can have an unexpected trajectory when they drift near to the earth or other planets. Both they are residues which are formed from things which remained after the formation of the solar system 4.5 billion years ago.
I assume you have asked this question for the same reason that I have at one point. The answer:
- they are orbiting the sun
- they are small compared to the planets
Trust me on this, these are confirmed! Hope this has helped.
Living organisms contain many complicated molecules. Which of these is a reason that carbon is important in these molecules?
A) a carbon atom can form a bond with only one other carbon atom
B) carbon bonds with the lightest and smallest element
C) a carbon atom can only form one bond at a time with another atom
D) carbon forms both single and double bonds
I'd say the answer is D
E. coli is a species of bacteria that causes many different infections in humans. Certain E. coli strains have developed resistance to antibiotics, making infections with these strains difficult to treat. How do bacteria such as E. coli, which reproduce asexually, gain new traits such as antibiotic resistance?
A. by adapting to changes in environmental conditions without undergoing changes in their DNA
B. by mutating their DNA in response to environmental conditions to gain beneficial traits
C. by producing offspring with new gene assortments from genetic recombination, which increases diversity in a population
D. by undergoing spontaneous mutations when they replicate, which increases genetic variation in a population
The correct answer is: B. by mutating their DNA in response to environmental conditions to gain beneficial traits.
Bacteria such as E. coli, which reproduce asexually, can gain new traits such as antibiotic resistance through mutations in their DNA. Mutations are random changes in the DNA sequence that occur during replication or in response to environmental factors. When a mutation provides a survival advantage, such as resistance to antibiotics, it can be passed on to subsequent generations through asexual reproduction, leading to the spread of the trait within the bacterial population. This process contributes to the development of antibiotic-resistant strains of bacteria.
Bacteria like E. coli, which reproduce asexually, primarily gain new traits, such as antibiotic resistance, through mutations in their DNA. Mutations are random changes in the genetic material of an organism that can occur during DNA replication or in response to various environmental factors, such as exposure to antibiotics or other stresses.
When a mutation occurs in a bacterial cell's DNA and confers a beneficial trait, such as resistance to an antibiotic, that bacterium gains a survival advantage over others in the population. This advantage allows the mutant bacterium to survive and reproduce more successfully in the presence of the antibiotic, while susceptible bacteria are killed off. As a result, the mutant bacterium can pass on the mutated gene to its offspring through asexual reproduction, thereby spreading the trait of antibiotic resistance within the bacterial population.
Over time, as bacteria continue to reproduce and mutate, a population of bacteria may accumulate multiple mutations that contribute to antibiotic resistance. This process is a key driver of the evolution of antibiotic-resistant bacterial strains and presents a significant challenge in the treatment of bacterial infections.
E. coli gains new traits, such as antibiotic resistance, primarily [Option D] through spontaneous mutations during replication, introducing genetic variation.
During DNA replication, spontaneous mutations frequently confer new traits like antibiotic resistance in asexually reproducing bacteria like E. coli. A bacterial population's genetic makeup can be altered by mutations. Moreover, microbes can secure new qualities, including those for anti-toxin opposition, through flat quality exchange processes like change, transduction, and formation. Bacteria can exchange plasmids, which are small DNA molecules that can carry antibiotic resistance genes, through these processes.
PLEASE HELP! Compare and contrast the role of DNA in cellular reproduction to the role of RNA in protein synthesis. How are they the same and how are they different? Please tell me what they do for the cell or organism, do you know some of the structures involved?
During the cell reproduction, DNA molecule is copied via the process of replication. During the DNA replication each strand of the original DNA molecule serves as a template for the production of new strand.
On the other hand, mRNA is a molecule which serves as a template for the protein synthesis in the process of translation. The genetic code within mRNA (set of nucleotide triplets) is decoded in a ribosome to produce a specific amino acid chain-polypeptide (future protein).
DNA and RNA differ in structure (DNA is double-stranded and contains deoxyribose sugar).
RNA converts the genetic information, which is within DNA, to a format used for protein synthesis.
The graph illustrates the activity level of three common digestive enzymes, across a range of pH values. Which enzyme is likely to be the most active in the acidic environment of the stomach?
A) pepsin
B) trypsin
C) amylase
D) pepsin and trypsin
Pepsinogen, an inactive zymogen, is secreted into gastric juice from both mucous cells and chief cells. Once secreted, pepsinogen is activated by stomach acid into the active protease pepsin, which is largely responsible for the stomach's ability to initiate digestion of proteins.
Match each tool to its description.
1.) GPS
2.) weather station
3.) telescope
A.) gathers local information about temperature, wind speed, and humidity.
B.) tracks things that the naked eye cannot see, such as radio waves.
C.) allows scientists to detect the precise physical location of certain natural phenomena.
GPS is used to know the physical location, and the weather station gathers local information about temperature. The telescope is used to track things invisible to the eyes. Thus, the correct options are 1. C, 2. A, and 3. B.
What is GPS?A global Positioning System (GPS) is a device based on the space and radio-navigation system that uses the broadcasting signals from the satellites to locate the precise location of the movement. Hence, option C is correct.
The weather station is a center that provides information and data on the atmospheric conditions by forecasting the data on temperature, humidity, precipitation, etc. with various equipment. Hence, option A is correct.
The telescope is a scientific instrument used to see the images of faraway objects that can not be seen directly with the eyes. It can be used to see the celestial bodies. Hence, option B is correct.
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Which statement best describes science?
A. Science cannot answer questions about right and wrong.
B. Science can answer only philosophical questions.
C. Science can answer any and all questions.
D. Science cannot answer questions about natural phenomena.
Final answer:
The statement that best describes science is that it cannot answer questions about right and wrong, as it is limited to material phenomena that can be observed and measured. Scientific knowledge is continuously building upon itself and can be revised with new evidence, enhancing rather than detracting from its reliability.
Explanation:
The statement that best describes science is that science cannot answer questions about right and wrong. Science is a systematic approach to understanding natural phenomena through observation and experimentation, creating testable explanations and predictions. However, there are limitations to what science can explain. Questions that relate to morality, aesthetics, or spirituality fall outside the scope of scientific inquiry because they are not material phenomena and hence, cannot be observed or measured in the same way physical events can.
Moreover, scientific knowledge builds upon itself but can always be revised with new evidence or perspectives. While observations in science do not need to be made with the eye—telescopes, microscopes, and other instruments are often used—scientists may draw conclusions from indirect observations or using theories to explain unobserved phenomena. However, for something to be scientifically tested, there has to be some form of observable effect or consequence that can be measured. For instance, black holes cannot be seen directly, but their existence is confirmed by the gravitational effects they have on surrounding matter.
In terms of susceptibility to being disproven, frontier science, which deals with brand-new discoveries or models, is generally more prone to revision than established consensus science. Lastly, it's important to understand that a dramatic change in scientific understanding is called a scientific revolution, and this demonstrates that while scientific ideas may change, this flexibility enhances their reliability rather than detracts from it. Science is indeed a process, and a scientific law describes what happens under certain conditions based on repeated empirical evidence.
A specific example of a light year is used in space exploration
If a 55-gallon drum represented all the water on Earth, how much water would be in the oceans? about 2 gallons about 53 gallons About 0.55 gallons about 55 gallons
About 53 gallons because the amount of salt water on earth is 93% and 3% for fresh water
Answer:
Option B, About [tex]53\\[/tex] gallons
Explanation:
As per the general consideration, it is said that nearly[tex]97[/tex]%of water on earth is salty water.
Since salty water is found in ocean we can assume that nearly [tex]97[/tex]% of water of planet earth is found in ocean.
Given,
The total water on planet earth is represented by a drum which consists of [tex]55\\[/tex] gallons of water.
Thus water (in gallons) in oceans would be equal to
[tex]\frac{97}{100} * 55\\= 53\\[/tex] gallons.
Thus, Option B, is correct.
A frog jumps into a pond and its skin absorbs water. What spheres had the water moved through?
Hydrosphere and biosphere (ecosphere)
The water had moved through hydrosphere and biosphere (ecosphere).
The hydrosphere is all the waters found on, over, and under the earth's surface. Hydrosphere includes rivers, oceans, lakes, seas, and also clouds while the biosphere is the combined sum of all ecosystems and a region on the surface of the earth where life exists. The biosphere contains living organisms and nonliving things from which they obtain energy and nutrients.
The water from the pond (hydrosphere) is absorbed through the frog's skin (biosphere) by the principle of osmosis.
Explanation:When a frog jumps into a pond and its skin absorbs water, the water moves through two key 'spheres'. These are the hydrosphere and biosphere. The hydrosphere involves all the Earth's water, both surface and atmospheric. In this case, the hydrosphere represented is the pond water. The biosphere refers to the life on Earth, in this scenario the frog's skin acts as the part of biosphere. The absorption process involves the principle of osmosis, where water molecules move from a region of high concentration (the pond) to low concentration (the frog’s skin).
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What enhances the transparency of an increment?
Answer:
Transparency of an increment.
Explanation:
These are points which enhance the Transparency of an increment follows:
All the doing work needs to fulfill the definition "done". Estimation of all the undone work needs to be completed in the separate dash and keep it on track.Send a daily report of the dash to the stakeholder.All the dash tasks should be updated properly in an electronic tool. It should be visible to all to show progress.It must be transparent to inspect.The increment must be inspected in every iteration.
The transparency of an increment in a project, particularly in software development, can be enhanced through open communication and consistent documentation. Communication allows for openness and awareness among team members, while documentation ensures a recorded, accessible history of changes and decisions.
Explanation:The transparency of an increment in software development, particularly in agile methodologies, can be enhanced through a variety of ways. The two most important ways are open communication and consistent documentation.
Open communication is the sharing of information, ideas, and decisions across all team members. This ensures that everyone is kept up-to-date on the project's progress, which helps to identify issues and implement adjustments in a timely manner.
Consistent documentation, on the other hand, refers to regular record keeping about the developments of the project. This includes input, outputs, and changes that have been made. Documentation provides transparency by having all changes and decisions recorded and accessible for all team members.
By maintaining open communication and consistent documentation, the transparency of each increment of a project is greatly enhanced, allowing for smoother workflows and more successful projects.
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pls answer
Arrange the reservoirs in the order of increasing residence time for a molecule of water.
glacier
atmosphere
soil moisture
ice sheets
biosphere
The order of increasing residence time for a water molecule in various reservoirs is: Atmosphere, Soil Moisture, Biosphere, Glacier, and Ice Sheets. The duration depends on factors like evaporation and freezing states.
Explanation:The residence time for a molecule of water differs amongst various reservoirs. Here is the order of increasing residence time: 1) Atmosphere, 2) Soil Moisture, 3) Biosphere, 4) Glacier and 5) Ice Sheets.
The atmosphere has the shortest residence time due to high levels of precipitation. Soil moisture refers to water held between soil particles and this also has a relatively short residence time. Next is the Biosphere, referring to living organisms, where water is continually being exchanged through processes like transpiration and ingestion. Glaciers hold water for a longer period, given their frozen state. Finally, Ice sheets, which are expansive structures of ice that cover land, have the longest residence time as water can be trapped within for thousands, if not millions of years.
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The order of increasing residence time for water molecules in different reservoirs is: Biosphere, Soil moisture, Atmosphere, Glacier, Ice sheets.
Explanation:The correct order of increasing residence time for a molecule of water in the given reservoirs are:
BiosphereSoil moistureAtmosphereGlacierIce sheetsBiosphere has the shortest residence time as it represents the water stored in living organisms, which is constantly being cycled through various processes. Soil moisture has a longer residence time as it is held in the soil and can stay there for periods of time. Atmosphere has an even longer residence time as water in the form of vapor can circulate in the atmosphere for days or weeks. Glacier and ice sheets have the longest residence time as water can remain frozen in these reservoirs for thousands of years.
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