Q: Which equation correctly represents the overall reaction for aerobic cellular respiration?

$$C_6H_{12}O_6$ + 6O_2 \rightarrow 6CO_2 + 6H_2O + \text{energy}$$

Q: Which equation represents the light-dependent reactions of photosynthesis?

$$H_2O + ADP + NADP^+ + \text{light} \rightarrow O_2$ + ATP + NADPH$$

Question 1

Which of the following best explains why water is considered a polar molecule?

Accepted Answer

Water has an uneven distribution of electrons, resulting in partial positive and negative charges.

Question 2

A scientist is studying a cell that lacks membrane-bound organelles. Which type of cell is she most likely observing?

Accepted Answer

Prokaryotic cell

Question 3

Which macromolecule is primarily responsible for storing genetic information in living organisms?

Accepted Answer

Nucleic acids

Question 4

During cellular respiration, which process directly produces the most ATP?

Accepted Answer

Oxidative phosphorylation

Question 5

Which equation correctly represents the overall reaction for aerobic cellular respiration?

Accepted Answer

$$C_6H_{12}O_6$ + 6O_2 ightarrow 6CO_2 + 6H_2O + 	ext{energy}$$

Question 6

A mutation causes a cell to produce a nonfunctional ATP synthase enzyme. Which process will be most directly affected?

Accepted Answer

Oxidative phosphorylation

Question 7

Which of the following statements about enzymes is correct?

Accepted Answer

Enzymes lower the activation energy and are not used up in the reaction.

Question 8

A cell is placed in a solution with a higher concentration of solutes than inside the cell. What will most likely happen?

Accepted Answer

Water will move out of the cell by osmosis.

Question 9

Which process is responsible for moving large molecules such as proteins out of a cell?

Accepted Answer

Exocytosis

Question 10

Which of the following best describes the role of mitochondria in eukaryotic cells?

Accepted Answer

Produce ATP through cellular respiration

Question 11

Which statement about photosynthesis and cellular respiration is true?

Accepted Answer

Photosynthesis stores energy in glucose; respiration releases energy from glucose.

Question 12

Which phase of the cell cycle is responsible for DNA replication?

Accepted Answer

S phase

Question 13

A patient has a genetic disorder caused by a mutation in the gene encoding a lysosomal enzyme. Which cellular process is most likely impaired?

Accepted Answer

Digestion of cellular waste

Question 14

Which of the following best explains why crossing over during meiosis increases genetic diversity?

Accepted Answer

It exchanges genetic material between homologous chromosomes.

Question 15

A cell receives a signal from a steroid hormone. Where is the most likely location of the hormone's receptor?

Accepted Answer

In the cytoplasm or nucleus

Question 16

Which of the following is a correct base pairing in DNA?

Accepted Answer

Adenine pairs with thymine

Question 17

Which equation represents the light-dependent reactions of photosynthesis?

Accepted Answer

$$H_2O + ADP + NADP^+ + 	ext{light} ightarrow O_2$ + ATP + NADPH$$

Question 18

A geneticist uses a Punnett square to predict the outcome of a cross between two heterozygous individuals for a dominant trait. What is the expected ratio of dominant to recessive phenotypes?

Accepted Answer

3:1

Question 19

Which scientist's experiment demonstrated that DNA is the genetic material by showing that non-virulent bacteria could become virulent when mixed with heat-killed virulent bacteria?

Accepted Answer

Griffith

Question 20

Which process connects energy flow between producers and consumers in an ecosystem?

Accepted Answer

Photosynthesis and cellular respiration

General Biology Study Guide: Core Concepts and Processes

Guida di studio - Domande di pratica

Study guide - Flashcard