How were life forms affected by the rise in atmospheric oxygen levels that began 2.2 billion years ago?

Answers

Answer 1

Answer: Increase in size was one affect, also the increase of oxygen also affected the temperature

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Which of the following best shows how primary structure relates to protein function? a. High temperatures cause proteins to denature. b. Changing one amino acid in the protein hemoglobin causes sickle-cell anemia. c. Proteins are sensitive to changes in pH. d. The shape and chemistry of an enzyme's active site determine its function.
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What areas tend to have the fastest population growth

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Zimbabwe, Niger, Uganda, Burundi, UAE.

The action of insulin on sugar levels in the blood helps to

Answers

Insulin is a stimulant and its in the body to help neutralize or diminish amount of sugar in your body

A cell's work is carried out by the many different types of molecules it assembles. _________ are especially important because they are involved in a variety of processes, such as cell signaling, immune response, and enzyme activity.

Answers

The membrane proteins can also be stored in the lipid bilayer together with the enzymes. It cannot be denied that membrane proteins have a lot of functions based on its type. They can be integral proteins, peripheral proteins and lipid bound proteins.

Answer:

Proteins

Explanation:

Proteins are especially important because they are involved in a variety of processes, such as cell signaling, immune response, and enzyme activity.

Begins cell divison with 92 chromatids is that meiosis or mitosis ?

Answers

Meiosis is the process of cell division that starts with 92 chromatids, hence the correct answer is meiosis.

Cell division known as meiosis creates four daughter cells with half as many chromosomes as the parent cell. This is crucial for sexual reproduction because it enables the progeny to have a diverse chromosomal makeup from their parents.

Meiosis I and Meiosis II are the two stages of meiosis. The chromosomes multiply during meiosis I but do not split. As a result, each daughter cell has 92 chromatids; yet, they are still joined at the centromere.

Learn more about meiosis, here:

brainly.com/question/29383386

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That is Meiosis. Here is a picture to Help.

I hope this helps ^_^

~Renee

What is the difference between Darwin's theory of evolution and Lamarck's theory of evolution ?

Answers

Darwin believed that organisms changed gradually over time,but Lamarck thought they changed suddenly.Lamarck believed that organisms could acquire characteristics during their lifetime that they could pass down to their offspring,but Darwin did not believe these traits could be passed down.Darwin believed that species are still changing,but Lamarck believed they had stopped.Lamarck believed that evolution occurred randomly,but Darwin thought it was the result of predetermined plan.Hope this help you!

< III >3
What is the purpose of cell division?
A Growth of new cells
B Replacement of older, worn out cells
Used for reproduction
D
All of the above

Answers

Answer: All of the above.

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Which of the following is an essential role played by large intestine bacteria?A. produce gas B. absorb bilirubin C. synthesize vitamin K and B-complex vitamins D. synthesize vitamins C and D