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Unit 4 Reteach_HB_AN

Last updated about 4 hours ago

14 questions

1

1

8

5

1

Required

1

BIO.6.C

Required

2

BIO.6.E

Required

1

BIO.6.A

Required

1

BIO.6.C

Required

1

BIO.6.C

Required

1

BIO.6.C

Required

1

Required

1

Required

1

Question 1

1.

Question 2

2.

Question 3

3.

Other Answer Choices:

Question 4

4.

Other Answer Choices:

Question 5

5.

Question 6

6.

Question 7

7.

Question 8

8.

Question 9

9.

Question 10

10.

Question 11

11.

Question 12

12.

Which statement best explains why muscle and nerve cells in the same organism perform different functions?

They have different DNA.

They copy DNA from other cells.

They gain new chromosomes during development.

Question 13

13.

Certain genes are turned off while others turn on.

Every gene in DNA is used equally.

DNA sequences are permanently deleted.

Question 14

14.

A body cell exposed to high temperature begins producing heat-shock proteins that protect enzymes. What does this show about gene regulation?

Heat removes unused DNA from the cell.

Temperature breaks down proteins permanently.

The cell stops all gene activity.