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77julia77 [94]
3 years ago
10

Why is the cell membrane important?

Biology
1 answer:
andrew11 [14]3 years ago
4 0

Answer:

The answer is A. The cell membrane provides rigid support and protection for the cell

Explanation:

The semipermeable structure that surrounds the cell helps the cell live in different environments

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4. At what point was the solution in beaker ""B"" neutralized?
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Answer:

Explanation:

This is called the equivalence point. That is the exact point during titration where the relative amounts of each substance in the chemical reaction of titration become well defined by the coefficients in the balanced chemical equation used for expressing the kinetics of reaction.  

A titration is an experimental set up   with a controlled acid-base neutralization reaction.it is used to determine the unknown concentration of an acid or a base.  

Acids and bases neutralize each other, forming a salt and water. Basically, a strong acid-strong base neutralization gives  a neutral solution with a pH of 7.

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4 years ago
Amanda is doing a report for her Earth Science class about the four seasons. Which of the following would be an effective scient
emmainna [20.7K]

Answer: d. A bar graph indicating average high and low temperatures for Amanda’s area in the autumn, winter, spring, and summer.

A scientific study requires the use of variables, on the basis of which the outcome of the study can be obtained. An independent variable refers to a variable which can be changed or manipulated in an experiment, such changes will affect the dependent variables. Dependent variables is the outcome of the research, it cannot be changed manually instead the changes occur are because of the changes in the independent variable.

In the given situation, a bar graph indicating average high and low temperatures for Amanda’s area in the autumn, winter, spring, and summer would be an effective scientific model to be incorporated in the Amanda project. This is because of the fact that both independent and dependent variables can be analyzed by this way. The temperature is an independent variable, which changes with respect to the climatic conditions, which represent a particular season like autumn, winter, spring and summer which is a dependent variable.

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3 years ago
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Genetic drift models?
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Genetic drift is a process in which allele frequencies within a population change by chance alone as a result of sampling error from generation to generation. Genetic drift is a random process that can lead to large changes in populations over a short period of time.

7 0
3 years ago
Cellular respiration is a series of metabolic processes in which the energy found in carbohydrates is transferred to atp true or
a_sh-v [17]

According to the research, the correct option is true. Cellular respiration is a series of metabolic processes in which the energy found in carbohydrates is transferred to ATP.

<h3>What is Cellular respiration?</h3>

It is a set of metabolic reactions that takes place in most cells and is a process by which cells reduce oxygen and produce energy and water.

This process involves the breakdown of pyruvic acid (produced by carbohydrate glycolysis) into carbon dioxide and water, along with the production of adenosine triphosphate (ATP) molecules.

Therefore, we can conclude that according to the research, the correct option is true. Cellular respiration is a series of metabolic processes in which the energy found in carbohydrates is transferred to ATP.

Learn more about Cellular respiration here: brainly.com/question/12320031

#SPJ1

3 0
2 years ago
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is that a law if so weed be legal

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