Q: Which of the following is the correct balanced equation for photosynthesis?

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

Question 1

Which of the following best describes the main purpose of the light-dependent reactions of photosynthesis?

Accepted Answer

To convert solar energy into chemical energy stored in ATP and NADPH

Question 2

Which of the following is the correct balanced equation for photosynthesis?

Accepted Answer

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

Question 3

A plant is placed in a sealed chamber with only water and sunlight provided. Which of the following is most likely to limit the rate of photosynthesis in this scenario?

Accepted Answer

Lack of carbon dioxide

Question 4

Which of the following statements about C4 photosynthesis is correct?

Accepted Answer

C4 plants, such as corn, have adaptations to minimize water loss in hot, dry climates.

Question 5

Which of the following best describes the role of NADH and FADH2 in cellular respiration?

Accepted Answer

They deliver electrons to the electron transport chain for ATP production.

Question 6

Which stage of cellular respiration produces the most ATP, and where does it occur?

Accepted Answer

Electron transport chain; inner mitochondrial membrane

Question 7

A muscle cell is deprived of oxygen during intense exercise. Which process allows it to continue producing ATP, and what is a byproduct?

Accepted Answer

Fermentation; lactic acid

Question 8

During which phase of the cell cycle does DNA replication occur?

Accepted Answer

S phase

Question 9

Which of the following events distinguishes meiosis I from mitosis?

Accepted Answer

Formation of tetrads and crossing over

Question 10

A cell with 46 chromosomes undergoes meiosis. How many chromosomes will each resulting gamete contain?

Accepted Answer

23

Question 11

Which of the following is NOT a source of genetic variation in sexually reproducing organisms?

Accepted Answer

Replication of DNA during S phase

Question 12

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

Accepted Answer

They bypass cell cycle checkpoints that normally prevent division with errors.

Question 13

In Mendel’s pea plant experiments, what is the expected phenotypic ratio in the F2 generation when crossing two heterozygous tall plants (Tt x Tt), where tall (T) is dominant to short (t)?

Accepted Answer

3 tall : 1 short

Question 14

A woman with blood type AB and a man with blood type O have a child. What are the possible blood types for their child?

Accepted Answer

A or B

Question 15

Which of the following best describes the law of independent assortment?

Accepted Answer

Each pair of alleles segregates independently of other pairs during gamete formation.

Question 16

A colorblind man (XcY) marries a woman who is a carrier for colorblindness (XcX). What is the probability that their son will be colorblind?

Accepted Answer

50%

Question 17

Which of the following is an example of incomplete dominance?

Accepted Answer

A red-flowered plant crossed with a white-flowered plant produces pink-flowered offspring.

Question 18

Which of the following best describes the difference between phenotype and genotype?

Accepted Answer

Phenotype is the physical appearance; genotype is the genetic makeup.

Question 19

Which of the following is true regarding the products of the Calvin cycle?

Accepted Answer

The Calvin cycle produces G3P, which can be used to make glucose.

Question 20

Which of the following is a correct comparison between mitosis and meiosis?

Accepted Answer

Mitosis produces two genetically identical diploid cells; meiosis produces four genetically unique haploid cells.

Photosynthesis, Cellular Respiration, Cell Reproduction, and Patterns of Inheritance: Study Guide

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