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My name is Ann [436]
2 years ago
15

I have 5 questions i need help on please help

Biology
1 answer:
Hoochie [10]2 years ago
7 0

1. Is 23 because we all have 46 so half is 23

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Cell cycle checkpoints are an important feature of a dividing cell to reduce errors that can occur in various stages of the cell
saveliy_v [14]

Loss of Rb, an important part of the G1-S transition checkpoint, can result in uncontrolled cell cycle progression and cancer. All of the following would mimic loss of Rb except constitutively active Ras GTPase activating protein. Correct answer: letter E.

Constitutively active Ras GTPase activating protein would not mimic loss of Rb, because it would not directly result in uncontrolled cell cycle progression.

<h3>What is Retinoblastoma (RB)?</h3>

Rb is an important tumor suppressor protein that works to inhibit cell cycle progression by preventing the activation of E2F transcription factors. Constitutively active Ras GTPase activating protein would not directly interfere with the Rb-E2F pathway, which is necessary for uncontrolled cell cycle progression and cancer.

Learn more about the cell cycle:

brainly.com/question/2457509

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4 0
10 months ago
What four things are necessary for evolution to take place?
Dvinal [7]
- a living species

- adaptation

- Reproduction

- Change

Please vote my answer branliest! Thanks.
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3 years ago
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1. Summarize the process of photosynthesis, inputs and outputs of
Fynjy0 [20]

Answer:

explain it in daily life

Explanation:

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3 years ago
¿En qué consisten las evidencias Biogeográficas de la evolución?
kramer

Answer:

I dont understand

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7 0
2 years ago
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Insulin causes the body's cells to uptake amino acids. <br> a. True <br> b. False
bekas [8.4K]
Answer is: <span>a. True.
</span>The overall effect of insulin is to lower blood glucose and amino acid levels by promoting their cellular uptake and incorporation into glycogen and proteins, respectively.  <span>The net effect of insulin is to decrease blood glucose and amino acids and stimulate the cellular uptake of these molecules and their incorporation into polymers.
</span>Insulin <span>is a </span>peptide hormone<span> produced by </span>beta cells<span> of the </span><span>pancreatic islets.</span>
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2 years ago
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