Answer:
The specimen are placed in vacuum while examining the cells or living organisms. Also, the electron must penetrate inside of the cell and in such conditions, any living organism is not able to survive. Thus, this reason best explains the answer to why dead cells specimen must be used for Transmission electron microscopy.
Explanation:
How are photosynthesis and cellular respiration related?
O
O
O
A. They are both performed by animals.
B. They are both performed by plants.
c. They both produce glucose molecules.
D. They both require energy from the sun.
O
Answer:
B
Explanation:
Photosynthesis requires sunlight and produces glucose but animals do not carry out photosynthesis and animal cells do not have the chloroplasts to absorb sunlight. Therefore A is false as is C and D as respiration uses glucose and does not produce it. And respiration transfers energy to cells that needs it therefore sunlight energy is not required.
Hope this helps.
Photosynthesis and cellular respiration are interrelated processes where photosynthesis creates glucose and oxygen, which are then used in cellular respiration to produce energy, carbon dioxide, and water. They function as opposite halves of a cycle that facilitates the energy flow within ecosystems and helps regulate the levels of carbon dioxide and oxygen in the atmosphere.
Explanation:Photosynthesis and cellular respiration are related in that they are essentially opposite processes that work together to facilitate the flow of energy through living organisms. Photosynthesis is a process used by plants, algae, and certain bacteria to convert light energy from the sun into chemical energy stored in glucose, releasing oxygen as a byproduct. Cellular respiration is a process that all living organisms perform, in which oxygen and glucose, produced by photosynthesis, are used to generate ATP, the energy currency of the cell, with carbon dioxide and water being released as byproducts.
To sum up, while photosynthesis converts carbon dioxide and water into glucose and oxygen using the sun's energy, cellular respiration converts glucose and oxygen back into carbon dioxide and water while releasing usable energy stored in ATP. This cyclical relationship is critical for the energy flow and the constant recycling of carbon dioxide and oxygen in the Earth's atmosphere. It forms part of the larger carbon and energy cycle of our planet.
For DNA to be passed on to a later generation an organism must
Answer:
Reproduce.
Explanation:
For DNA to be passed on to a later generation an organism must, reproduce.
Answer:
Reproduce
Explanation:
2. Scientists often work together with other scientists. If you were working in a scientific laboratory, how could you help people in your laboratory work together in a way that is effective, and help make sure that people got fair credit for their work? What is needed for people to work together in an effective way? (10 points) APEX
Hi
I think a very important thing while working in a scientific laboratory is to have cooperation along with a sense of individual responsibility. There are many times when you are not expert in one scientific technique but your senior or fellow worker is because of his/her prior experience. At that point, the people of laboratory should cooperate with each other in giving some tips regarding performing a specific technique and getting the results with minimum time wastage. This does not mean that you take help from some one without giving them credit.
There should be a lab attendant in every lab who should be consulted for every problem so that he can assign some relevant worker to help you in the work. After you get the help, the attendant should confirm from both persons and keep a log about it which they should appreciate and give a fair credit about inquiries of higher authorities like supervisors.
Another important factor that is important for people is to have a sense of respect for each other. This is important to listen to others without just thinking about our own perspective and our own understanding. This also enables to understand a point from larger view and can help to bring a point in mind which we otherwise might skip.
How do paleontologist learn about evolution ?
Paleontologists study fossils to learn about evolution by analyzing their structure, age, and distribution. Fossil records help determine relationships between species and the influence of events like mass extinctions. Various dating techniques are used to determine the age of fossils and the sequence of evolutionary changes.
Explanation:**Paleontologists** study fossils to learn about evolution. They analyze the structure, age, and distribution of fossils to understand how species have changed over time. By examining fossilized bones, teeth, and other preserved remains, paleontologists can trace the evolutionary history of different organisms.
For example, the fossil record shows a progression of horse evolution from small, multi-toed ancestors to the larger, single-toed horses we see today. Patterns in the fossil record also help paleontologists determine the relationships between different animal groups, and how major events like mass extinctions have influenced evolutionary pathways.
Furthermore, paleontologists use various dating techniques, such as radiometric dating and relative dating, to determine the age of fossils and the sequence of evolutionary changes. By combining different lines of evidence, including fossil records, genetics, and anatomical comparisons, paleontologists can gain a comprehensive understanding of how evolution has occurred.
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Molds, casts, coprolites, and petrified wood are all example of
Answer:
Molds, casts, coprolites, and petrified wood are all examples of fossils.
Explanation:
Molds are fossils formed by the authigenic preservation of an organism- it is covered gradually in mud or silt which hardens into rock leaving indents there after it has decayed. Similarly, casts are mineral deposit filled casts, which produce fossilized copies of the organism. Coprolites, fossilized fecal matter, are a type of trace fossil, which provides records the presence, diet and other habits of the organism in an area by its preserved excrement. Petrified wood,like molds and casts are mineralized, however the differs from molds as it has not undergone decay.
The correct answer is fossils.
Molds, casts, coprolites, and petrified wood are all examples of fossils. Fossils are the preserved remains or traces of animals, plants, and other organisms from the remote past. Here's how each of the given examples fits into the category of fossils:
- Molds are fossils that form when an organism's body decays completely, leaving a hollow space in the rock that is the exact size and shape of the organism.
- Casts are fossils that occur when the hollow space left by a mold is filled with minerals, creating a replica of the organism's body.
- Coprolites are fossilized feces that provide information about the diet and behavior of ancient organisms.
- Petrified wood is formed when the organic remains of a tree are replaced by minerals, turning the wood into stone. This process preserves the original structure of the wood in fine detail.
Each of these fossil types provides valuable information about the biology and ecology of past life on Earth.
mine the weather map.
What do the numbers on the map represent?
air pressure
temperatures
humidity levels
amount of precipitation
Seattle
73/53
Billings
87/59
Minneapolis
82/59 Detroit New York
88/65 80/71
Chicago
87/65 Washington
DC
86/70
San Francisco
75/55
Denver
89/60
Atlanta
9271
Houston
91/76
Н
Miami
93/76
Mark this and return
Save and Exit
Next
Submit
Answer:Temperatures.
I hope that helps!
Explanation:
Based on the information provided, the numbers on the map represent temperatures in degrees Fahrenheit for different cities in the United States.
What is temperature?Temperature is a physical quantity that measures the degree of hotness or coldness of an object or substance. It is a measure of the average kinetic energy of the particles that make up the object or substance. Temperature is measured in various scales such as Celsius, Fahrenheit, and Kelvin.
Temperature is an important factor in many fields of science and engineering, including physics, chemistry, meteorology, and materials science. It affects the behavior of matter and can influence physical and chemical processes, such as the rate of chemical reactions, the properties of materials, and the behavior of atmospheric phenomena, including weather and climate.
Temperature also has significant impacts on living organisms, affecting their metabolism, behavior, and survival. For example, changes in temperature can affect plant growth and development, animal behavior and migration patterns, and the distribution of species across different regions.
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A scientist uses a simulation because it:
A. Provides the most meaningful type of information
B. Costs less money than a real experiment
C. Is more fun than making measurements in the natural world
D. Can help make sense of a difficult problem
Answer:
The correct answer would be option D, Can help make sense of difficult problems.
Explanation:
In simple words, simulation is the Model. Simulation is the imitation of some procedure or method or process or situation. We can say it deception as well. Simulation is used as a method of analysis. When there are complex situations or processes that need to be tested before launching into the general public or to be used in the scientific researches or anything, Simulation is used. Simulation imitates the situation, checks for any errors, experiments the inputs and see the outputs of the process, method, system, etc, which they have developed. So A scientist uses simulation because it can help make sense of difficult problems.
Answer:
ANSWER IS D.
Explanation:
Have an nice day :)
What can create variations in color or structure in hair samples?
Dyes
The location on the scalp the sample is pulled from
The length of the strand
All of the above
2) Which of the quadriceps crosses two joints? What are it’s actions?
Answer:
Rectus Femoris
Explanation:
It has an action of extending the knee from a seated position.
I hope this helps, and as always, I am joyous to assist anyone at any time.
Describe how different types of solutes dissolve in water
Water is a polar solvent. The different types of solute dissolved in water due to dipole-dipole interaction, and ion-dipole interaction.
What are solutes and solvents?The substance that dissolves in water are called solutes and the substance in which solutes are dissolved is called the solvent. Polar substances dissolve in polar solvents while nonpolar substances dissolve in nonpolar solvents.
Water is a molecule where one oxygen is bound to two hydrogen atoms. Water is called a universal solvent because it allows a wide range of molecules to dissolve in it. Ionic compounds and polar molecules are dissolved in water.
Common examples of some substances that dissolve in water are sugar, salt, glucose, ammonia, and methanol.
Therefore, the different types of solute dissolved in water due to dipole-dipole interaction, and ion-dipole interaction.
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Andrea wants to understand the impact of the fragmentation of habitats on wildlife species. Which method will help Andrea with her study?
A assisted reproduction
B. camera trapping
C. genome conservation
D. ecosystem modeling
Answer:
D. Ecosystem modeling.
Explanation:
Andrea wants to know the impact that habitat fragmentation has on wildlife. If we think about it, she is studying an ecosystem: habitat + wildlife. Therefore, it is easy to conclude what the answer is. Plus, when we study damage on habitats that bring negative effects to wildlife, we're directly studying the damage of an ecosystem.
Ecosystem modeling is the creation of an ecosystem model, to understand an study what happens in the real ecosystem.
Hope it helped,
BiologiaMagister
What are the basic building blocks of DNA and RNA?
A.
nucleotides
B.
phosphorous
O
C.
proteins
D.
sugar
Reset
Help me pleaseeeeeeeee
1. Behavioral
2. Structural.
3. Structural.
4. Behavioral.
5. behavioral.
6. Functional
I did my best on these, hope it helps!
give three other environmental factors that would increase the rate of water loss from plants
Answer:1)Temperature 2)Wind 3)Humidity 4)Light:plants tend to transpire more rapidly in light than in the dark.
Explanation:
What do cellular respiration and fermentation have in common? They both occur in the mitochondria, they both Harvest energy from sugars, they both require oxygen to occur, they both end up with pyruvic acid.
Answer:
Fermentation and cellular respiration are alike in that they both begin with a series or reactions known as glycolysis, which breaks glucose molecules into smaller pyruvate molecules. They are also similar in that during both processes ATP is produced for the cell to use.
Hope it helps.
Answer:
They both harvest energy from sugars.
Explanation:
Cellular respiration and fermentation are reactions of the energy metabolism of organisms, which aims to obtain energy for metabolic reactions from the breakdown of glucose (sugar) in ATP. ATP keeps in its phosphate bonds energy that will be used in metabolism. This nucleotide is the energy currency of the cell.
when cement is produced, where is carbon released
Answer:
the process of making clinker the key constituent of cement that emits the largest amount of CO2 in cement making. World cement production generated around 2.2 billion tonnes of CO2 _ equivalent to 8℅ of the global total
By that of my explanation i think you will get it
diffrence between vertebrates and invertebrates
Vertebrates have backbones, while invertebrates do not.
Humans, for example, are vertebrates because we have backbones.
What is the process of glycolysis, including its reactants and products?
Glycolysis is the process of breaking down glucose in the cytoplasm of a cell into two molecules of pyruvate. The reactants required for glycolysis are glucose, 2 NAD+, 2 ADP, and 2 phosphate. The products are 2 pyruvate, 2 NADH, 2 ATP, and 2 water molecules.
Explanation:The process of glycolysis, a crucial part of cellular respiration, occurs in the cytoplasm of cells. It involves the breakdown of glucose, a six-carbon sugar, into two molecules of a three-carbon sugar.
The reactants involved in glycolysis are: a molecule of glucose, 2 NAD+, 2 ADP, and 2 phosphate.
The products of this process are: 2 pyruvate, 2 NADH, 2 ATP, and 2 water molecules. Glycolysis is an anaerobic process that provides cells with a quick source of energy, and it does not require oxygen to occur.
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What evidence did Darwin use to support his theory of evolution? Check all that apply.
in-depth studies of individual organisms
observations of fossils
finches on different islands had different types of beaks
young finches that acquired desirable traits as they aged
observations of different species with varying traits
Darwin used observations of fossils, variances in finches' beaks across different islands, and the diversity of traits among different species to validate his theory of evolution. These evidences solidified the basis for his concepts of natural selection and adaptive evolution.
Explanation:Charles Darwin used various forms of evidence to support his theory of evolution. This evidence played a critical role in the establishment of evolutionary biology as a valid scientific discipline. Key sources of evidence included observations of fossils, the noticeable difference in finches' beaks on different islands, and his vast observations of different species with varying traits.
His fossil observations allowed Darwin to perceive evolutionary change over long periods of time. The finches displayed how species could adapt in response to environmental factors, such as food availability, which impacted the form and function of their beaks. Moreover, his observations of diverse species exhibited the capacity of life forms to develop different characteristics in response to their circumstances, further grounding his argument for natural selection and adaptive evolution.
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Conifer needles have
A. a thick cuticle.
B. sunken stomates.
C. a reduced surface area.
D. all of the above
Answer:
D. all of the above
Explanation:
Conifers are a group of trees which belong to the class of gymnosperms. They are cone bearing plants which means that the seeds are formed in a beautiful cone shaped structure. Some of the trees belonging to this class are shrubs while majority of them are trees.
Some significant features of the leaves of conifers are those mentioned in the question. They have a very heavy cuticle in the region of epidermis for protection of leaves. The stomata are deeply sunken in leaves and are present in the form of layers. Moreover, the leaves are very thin like those of grasses and therefore they have very less surface area as compared to the leaves of other plants like roses.
Please see the conifer leaves in attached picture for better understanding.
The diagram illustrates the water cycle. Which process occurs at location
Answer:
Explanation:which location and also send the diagram, but there some processes like evaporation, condensation etc.
Answer:
Precipitation
Explanation:
The sun rotates
O
A. around Earth once per year.
O
B. at different speeds along its sphere.
O
C. every 31 days.
O
D. once per year.
Answer: B
Explanation: the sun is made of gas, which doesn't all spin together at the same speed like a solid rock would.
The sun rotates at different speeds along its sphere, a phenomenon known as differential rotation. The rotation period near the sun's equator is about 25 days and increases with latitude.
The correct answer to the question of how the sun rotates is B. at different speeds along its sphere. This phenomenon is known as differential rotation. Unlike a solid body like Earth, the Sun, being a gaseous body, does not rotate at a uniform speed. At its equator, the Sun's rotation period is about 25 days, but this rotation period increases with latitude — being around 28 days at latitude 40°, and up to 36 days near the poles. Galileo discovered this by observing sunspots and their movement across the Sun's disk, indicating that the Sun does indeed rotate on its axis.
__ is the second step of photosynthesis
.A. Chemiosmosis
B. Photophosphorylation
C. Capturing sunlight
D. Harvesting electrons
Answer:
C. Capturing sunlight
Explanation:
Capturing sunlight is the second step of photosynthesis .
16. Is a bear an ENDOTHERM or ECTOTHERM?
Answer:
Endotherm which basically means that they can create heat from within themselves
Enzymes act as catalysts because _________.
A. they raise the activation energy
B. they lower the activation energy
C. they use activation energy
D. they maintain activation energy
Answer:
B.they lower the activation energy
Explanation:
activation energy is the minimum energy required in order to proceed the chemical reaction
In order for a theory to be considered valid it must be: observed at least one time recorded repeatable inferred from personal interpretation
What two nervous systems balance each other to provide homeostasis?
O
A. Parasympathetic and sympathetic
O
B. Central and peripheral
O
c. Central and sympathetic
D. Somatic and parasympathetic
Answer:
Parasympathetic and sympathetic -A.
Answer: The correct answer is: [A]:
_________________________________________________
→ " parasympathetic and sympathetic " .
_________________________________________________
The 2 (two) "nervous systems" that balance each other to provide "homeostasis" are:
_________________________________________________
1) the "parasympathetic" nervous system ; and:
2) the "sympathetic" nervous system.
__________________________________________________
Hope this answer is helpful to you!
Wishing you the best in your academic endeavors
— and within the "Brainly" community, as well!
__________________________________________________
What is used to support a claim made by a product?
A. Exceptions
B. Bias
C. Evidence
D. Warnings
Answer:
C Evidence
Explanation:
In Ecology, how are organisms grouped?
A. Organisms are grouped by community
B. Organisms are grouped by population
C. Organisms are grouped by species
Answer:
C. Organisms are grouped by species
Explanation:
In Ecology, organisms are grouped by species.
enzymes act as catalysts because___
Answer:
Explanation:
Enzymes are macromolecular biological catalysts that accelerate chemical reactions. The molecules upon which enzymes may act are called substrates, and the enzyme converts the substrates into different molecules known as products