biology quizz

1. Does cell use energy when molecules diffuse in or out of the cell?

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3. How do vacuoles in plants differ from vacuoles in animals?

4. Draw and labeled a red blood cell

5. What kind of environment or factors lead to the development of the trait of "wanting to survive and reproduce"?

6. Why are the two strands of the double helix described as "complementary”?

7. Base-pairing rules to the structure of DNA.

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9. what does the hardy-Weinberg principle state

10. where does RNA process occurs

11. why is the plant cell bigger than a cheek cell

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