Question 1

Which of the following best describes the process of crossing over during meiosis?

Accepted Answer

The exchange of genetic material between homologous chromosomes

Question 2

A plant with genotype $$Rr is $$crossed with another plant with genotype $$Rr. $$What is the expected phenotypic ratio of the offspring if $$R is $$dominant to $$r$$?

Accepted Answer

$$3:1$$

Question 3

Which organelle is responsible for the production of ATP during cellular respiration?

Accepted Answer

Mitochondrion

Question 4

Which process is responsible for the movement of water across a selectively permeable membrane?

Accepted Answer

Osmosis

Question 5

During photosynthesis, which molecule acts as the final electron acceptor in the light-dependent reactions?

Accepted Answer

NADP$$^+$$

Question 6

Which of the following is a product of glycolysis?

Accepted Answer

Pyruvate

Question 7

If a DNA molecule contains 30% adenine, what percentage of guanine would you expect to find?

Accepted Answer

20%

Question 8

Which of the following best explains why cancer cells can divide uncontrollably?

Accepted Answer

They do not respond to normal cell cycle regulatory signals

Question 9

Which process is responsible for the synthesis of RNA from a DNA template?

Accepted Answer

Transcription

Question 10

Which of the following is a function of stomata in plant leaves?

Accepted Answer

Gas exchange

Question 11

Which of the following best describes the role of enzymes in biological reactions?

Accepted Answer

They lower the activation energy required for the reaction

Question 12

Which of the following is NOT a characteristic of prokaryotic cells?

Accepted Answer

Presence of membrane-bound organelles

Question 13

Which of the following best describes the function of the thylakoid membrane in chloroplasts?

Accepted Answer

It contains pigments that capture light energy for photosynthesis

Question 14

Which of the following is a correct statement about the Calvin cycle?

Accepted Answer

It uses ATP and NADPH to convert CO$$_2$$ into glucose

Question 15

Which of the following is a diploid cell?

Accepted Answer

Somatic cell

Question 16

Which process is responsible for the production of gametes in animals?

Accepted Answer

Meiosis

Question 17

Which of the following best describes the function of ribosomes in a cell?

Accepted Answer

They synthesize proteins from mRNA templates

Question 18

Which of the following is a real-world example of osmosis?

Accepted Answer

A plant cell swelling when placed in pure water

Question 19

Which of the following is true about enzymes?

Accepted Answer

They are organic molecules that decrease the activation energy of a reaction

Question 20

Which of the following best describes the relationship between photosynthesis and cellular respiration?

Accepted Answer

Photosynthesis stores energy in glucose, while cellular respiration releases energy from glucose

BIO 1511 Class Test #2 Study Guide: Genetics, Cell Biology, and Photosynthesis

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