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9966 [12]
3 years ago
12

Which of the following would require active transport?

Biology
1 answer:
galben [10]3 years ago
3 0

Explanation:

In a DNA molecule the amount of adenine is equal to the amount of ....

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Sixty-five million years ago, according to some scientists, an asteroid bigger than mount everest slammed into north america, wh
julsineya [31]
That affirmation is correct.


Further information:

It is estimated that about 3/4 of all species where extinct.
This event gave way to the Cenozoic era, which is the one we live in today.

Hope it helped,

Happy homework/  study/ exam!
8 0
3 years ago
If you find a fossil in two different locations and it has featured in common with dinosaurs and modern birds, how does this sup
Naddik [55]
Answer: D

Explanation: the continents wee once connected. It was known as Pangea
7 0
3 years ago
Describe two adaptations you see on the rose plant, and explain how they are adaptations for defense, survival, or reproduction.
just olya [345]

Answer:

Thorns and colour.

Explanation:

The thorns are there to protect the stem from being cut or wild animals trying to eat it.

The colour is there to attract insects and pollinators to come and spread pollen.

3 0
2 years ago
Which statement best describes evolution?
Colt1911 [192]

Answer: The statement that best describes evolution is " It is the change in heritable traits in living populations over successive generations."

Explanation: HOPE IT HELPED :)

6 0
3 years ago
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

#SPJ4

4 0
1 year ago
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