Oh would you look at that *cough I am close to you now.
Some cells will more mitochondria than others. The fat cells will have many mitochondria because they store a lot of energy than the others. Muscle cells also have many mitochondria, which allows them to respond quickly to the need for doing work.
Malaria kills two million people a year and is caused by what
**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.
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.
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.
Learn more about Cytoplasm here:https://brainly.com/question/15417320
#SPJ3
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.
Aluminum cans may be collected and processed into new aluminum products over and over again. This illustrates that aluminum is a ___________ resource.
Final answer:
Aluminum is a renewable resource due to its ability to be infinitely recycled, which saves energy and cuts emissions. Its recycling is economically and environmentally beneficial, helping to preserve natural resources and supporting sustainable management practices.
Explanation:
Aluminum cans may be collected and processed into new aluminum products over and over again. This illustrates that aluminum is a renewable resource. Aluminum is infinitely recyclable, and recycling it requires significantly less energy compared to producing primary aluminum, which also helps minimize emissions, including greenhouse gases. Therefore, not only is aluminum abundant and useful in energy conservation and efficient electricity transmission, but it also contributes to substantial cost savings and environmental benefits over the long term due to reduced capital costs associated with landfills, mines, and international shipping of raw materials.
While recycling has various impacts, metal recycling, and specifically aluminum recycling, is highly effective in terms of energy and resource conservation. Moreover, by focusing on the recycling of materials, we maintain the continuity of material availability similar to natural ecosystems, which rely on constant reservoirs of materials. Practicing recycling aligns with the objectives of industrial ecology and is a critical aspect of managing valuable resources like aluminum sustainably.
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.
Rearrange the letters DREAD poisonous snake
The letters in 'DREAD poisonous snake' can be rearranged to form 'Adder', the name of a poisonous snake. 'Adder' is located within the phrase and thus, we can concur that this is what the re-arrangement from the phrase represents.
Explanation:We can rearrange the letters in the phrase 'DREAD poisonous snake' to form the name of a specific poisonous snake. In this case, the name of the snake we can form is an 'Adder'. An Adder is a type of poisonous snake typically found in Europe and Asia. To rearrange the letters, start by identifying all the letters in 'Adder' from the given phrase. Once you do that, arrange them to form the word 'Adder'. Thus, the phrase 'DREAD poisonous snake' can be rearranged to represent a species of poisonous snake known as a 'Adder'.
Learn more about Letter Rearrangement here:https://brainly.com/question/36039643
#SPJ12
The scrambled letters 'DREAD poisonous snake' form the word 'ADDERS', a venomous snake species. The question indirectly discusses mimicry in snakes, where non-venomous ones evolve to resemble venomous types for survival, evident in mimicry of garter snakes and other species. Laboratory tests with predators can further verify this strategy.
Explanation:The words 'DREAD poisonous snake' can be rearranged to form the word 'ADDERS', which is a type of venomous snake found notably in Europe and Asia. From the context and information provided, I understand this is not just a simple task of reordering the letters, but indirectly inquiring about mimicry in snake species, where nonvenomous snakes evolve to resemble venomous ones for protection. For instance, in certain geographical regions, a non-venomous snake may have similar coloration as a local venomous snake, like the strategy seen among Thamnophis garter snakes in North America.
In a fulsome research approach, we may run laboratory tests presenting predators with both brightly colored venomous snakes and dull non-venomous ones, observing if predators show a fear response, thus proving the efficacy of this mimicry strategy. Similarly, in places like Texas, two venomous snakes with analogous markings have been proven to deter same predators.
Learn more about Snake Mimicry here:https://brainly.com/question/24993053
#SPJ2
PLEASE HELP!!!!!!!!!!!!!!!!!!!
A biology class wanted to study the effect of different materials on the melting rate of ice. They placed pieces of ice, each with a mass of 10g, onto trays. Group 1 was covered in plastic, group 2 was covered in paper, group 3 was covered in aluminum, and group 4 remained uncovered.
Each piece of ice was allowed to melt for 15 minutes. Then final mass of the ice, minus the melted water, was recorded at the end of the experiment.
Which of the following is the control group in this experiment?
A: Group 1
B: Group 2
C: Group 3
D: Group 4
The correct answer is D: Group 4.
A control group in an experiment is a group separated from the other groups, where the variable that is being tested cannot influence the results. In this case, different materials are the independent variable that you test. Effects of that independent variable on the melting rate of ice are excluded in the control group.
The chemical structure of a compound affects properties such as strength of a attraction to other molecule True Or False
The right answer is True.
Intermolecular forces are forces of essentially electrostatic nature inducing an attraction or repulsion between chemical particles (atoms, molecules or ions). These forces are generally much weaker than the intramolecular forces that ensure the association of atoms in the molecules.
In these intermolecular forces, we distinguish:
* Van der Waals forces, electrostatic in nature,
* Hydrogen bonds of higher intensity (see comparative table below) and of a partially covalent nature;
* The halogen bonds.
Thus the intermolecular bonds depend on the availability of hydrogenes and oxygenes and free doublets present in the atoms of the molecule, and thus it depends on the structure.
Answer:
T
Explanation:
Which of the following statements describes a proton of an atom?
A has a negative charge and is located in the nucleus.
B has no charge and is located in the nucleus
C has a positive charge and is located in outer energy levels.
D has a positive charge and is located in the nucleus
Answer: D : Has a positive charge and is located in the nucleus.
Explanation: Proton has a positive charge and is located in the nucleus of atom. Rutherford discovered protons. Protons and neutrons are present in nucleus of every atom.
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:
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.
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.
Learn more about Transparency in project increments here:https://brainly.com/question/11311434
#SPJ6
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.
More on polymers can be found here: https://brainly.com/question/17638582?referrer=searchResults
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.
What is radiation? Transfer of heat through objects touching the source transfer of heat through direct physical contact transfer of heat through electromagnetic waves transfer of heat through the movement of particles
Answer: C i got it right for sure!!! 100%
Explanation: As you can see, i tell right i can give proof here,Question 5 (Worth 4 points)
(02.05 LC)
What is radiation?
Transfer of heat through objects touching the source
Transfer of heat through direct physical contact
Transfer of heat through electromagnetic waves
Transfer of heat through the movement of particles
Points earned on this question: 4
answer is c :Transfer of heat through electromagnetic waves
you are welome press likes and 5 stars thanks :)
how do enzymes impact chemical reactions?
Enzymes are proteins that speed up chemical reactions in cells by lowering the activation energy. They bind to reactants, creating a conducive environment for the reaction to take place. Enzymes are reusable and specific to reactions depending on their shapes.
Explanation:Enzymes are specialized proteins that speed up chemical reactions in cells, a process known as catalysis. They do this by lowering the energy needed to start a reaction, referred to as the activation energy. For instance, without enzymes, certain reactions might need high levels of heat to get them started, levels that could be harmful to cells. But with enzymes present, they bind to the reactants (substrates) and create a conducive environment for the reaction to take place at much lower temperatures.
Enzymes are not consumed in the reactions, which means they can be reused again for the same reaction with other molecules. Each enzyme is specific to a particular reaction because its shape matches the shape of its substrates. This specificity ensures the right reactions occur at the right time and place within the cell.
Learn more about Role of Enzymes in Chemical Reactions here:https://brainly.com/question/32372764
#SPJ2
How do obligate aerobes and obligate anaerobes differ in their interactions with the atmosphere?
The obligate aerobes need oxygen for their survival, while the obligate anaerobes do not. The obligate aerobes are the species that attain the energy for the process of aerobic respiration with the help of oxygen as the ultimate electron acceptor for the electron transport chain.
On the other hand, obligate anaerobes are the species, which get poisoned by the usual levels of atmospheric oxygen, and thus, get killed in the existence of oxygen.
Answer:
Obligate aerobes require oxygen from the atmosphere for survival, while obligate anaerobes do not.
Explanation:
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
#SPJ12
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.
PLEASE HELP
Under ideal conditions, bacterial populations can double every 20 minutes. Such rapid population growth is an adaptation to an unstable environment. Explain why.
Final answer:
Under ideal conditions, bacterial populations can double every 20 minutes. This rapid population growth is an adaptation to an unstable environment because it allows bacteria to quickly increase their numbers and outcompete other organisms for limited resources.
Explanation:
Under ideal conditions, bacterial populations can double every 20 minutes. This rapid population growth is an adaptation to an unstable environment because it allows bacteria to quickly increase their numbers and outcompete other organisms for limited resources. For example, if 1000 bacteria are placed in a flask with unlimited nutrients, after 20 minutes, there will be 2000 bacteria. After 40 minutes, there will be 4000 bacteria, and so on. This exponential growth pattern allows bacteria to rapidly respond to changes in their environment, ensuring their survival.
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.
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.
Learn more about Residence Time here:https://brainly.com/question/38343355
#SPJ12
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.
Learn more about Residence time of water molecules in different reservoirs here:https://brainly.com/question/32545237
#SPJ12
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
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.
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).
Learn more about Spheres and Osmosis here:https://brainly.com/question/31028904
#SPJ3
Witch pair of nitrogen bases will form a bond in a dna molecule?
DNA consist of fur kinds of nitrogenous base: Adenine (A), thymine (T), guanine (G), and cytosine (C). The DNA molecule is a double helix and consist of two strands of smaller molecules called nucleotides wrapped around each other.
Adenine and guanine have a double ring and are called purines. The base in the two strands always forms a specific base pairs. This means that adenine and guanine similarly bind in the other strand.
Hope you have a great day, keep asking questions!
In the DNA
Adenine makes bond with thymine
cytosine makes bond with guanine
ExplanationAccording to the discovery of Watson and Crick, DNA is the double helix structure contains two ladders like strands which are twisted with each other to make the structure stable with better Hydrogen bonding. In this helix, DNA consists of four types of Nitrogenous bases which play their role as the code of the genes. These Nitrogenous bases consist of Adenine, Thymine, Guanine and Cytosine. Adenine bonds with thymine through double hydrogen bonding and guanine with cytosine through triple hydrogen bonds with cytosine.
how can scientific theory be used to answer a specific question about an observation phenomenon?
A scientific theory is an explanation of an aspect of the natural world which can be repeatedly tested and verified using accepted protocols of observation, measurement, and evaluation of results.
Scientific theory can be used to answer a specific question about an observation phenomenon as a scientific law can offer an explanation for an observed phenomenon that is considered true universally. Scientific phenomenon is supported by extensive amounts of research and data collection and any data collected during an experiment is an observation.
Answer:
A law can offer an explanation for an observed phenomenon that is considered to be universally true.
Explanation: