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6. When homologous chromosomes pair up in meiosis, this is called:

a. replication.
b. synapsis.
c. cytokinesis.
d. segregation.

7. Energy that is stored is called:

a. potential energy.
b. thermodynamic energy
c. activation energy.
d. kinetic energy.

8. The O2 that we inhale when we breathe:

a. is used in the mitochondria in aerobic cellular respiration.
b. All of the above are true of the O2 we inhale.
c. acts as the terminal electron receptor at the end of aerobic cellular respiration.
d. may be produced by plants through photosynthesis.

9. Photosynthesis is the process by which:

a. carbon dioxide is synthesized.
b. glucose is synthesized.
c. plants burn energy.
d. glucose and other molecules are broken down.

10. If there is no oxygen available for a eukaryotic cell, which of these chemical reactions involved in cellular respiration will take place?

a. the Krebs Cycle.
b. glycolysis.
c. all three can occur without oxygen.
d. the electron transport chain.

11. Eukaryotic chromosomes:

a. all of the above
b. contain DNA.
c. contain the recipe for the proteins needed for life.
d. contain genes.

12. The diploid (2N) number of chromosomes in humans is 46. The number of chromosomes found in a human sperm cell is:

a. 46
b. the haploid number cannot be determined from the information given
c. 92
d. 23

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Tod Thiel
Tod ThielLv2
28 Sep 2019
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