Q: Which of the following equations correctly represents the process of cellular respiration?

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

Q: Which of the following equations represents the process of photosynthesis?

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

Question 1

Which of the following best describes the scientific method as used in biology?

Accepted Answer

A systematic approach involving observation, hypothesis formation, experimentation, and analysis.

Question 2

Which property of water is most responsible for its ability to moderate temperature in living organisms?

Accepted Answer

Its ability to form hydrogen bonds.

Question 3

A scientist observes that a certain enzyme speeds up a chemical reaction. Which characteristic of life does this best illustrate?

Accepted Answer

Metabolism.

Question 4

Which of the following equations correctly represents the process of cellular respiration?

Accepted Answer

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

Question 5

Which macromolecule is primarily responsible for storing genetic information in cells?

Accepted Answer

DNA

Question 6

A mutation occurs in the gene coding for hemoglobin, resulting in sickle cell anemia. This is an example of:

Accepted Answer

A change in the nucleotide sequence of DNA

Question 7

Which of the following best explains why phospholipids form bilayers in water?

Accepted Answer

Their hydrophobic tails avoid water while hydrophilic heads interact with water.

Question 8

During photosynthesis, which molecule acts as the primary electron donor in the light-dependent reactions?

Accepted Answer

Water ($$\mathrm{H_2O})$$

Question 9

Which of the following statements about meiosis is correct?

Accepted Answer

It reduces the chromosome number by half.

Question 10

A cell is placed in a solution and swells until it bursts. What type of solution is the cell in?

Accepted Answer

Hypotonic

Question 11

Which of the following is a correct description of the central dogma of molecular biology?

Accepted Answer

DNA is transcribed into RNA, which is translated into protein.

Question 12

Which of the following best explains the unity and diversity of life?

Accepted Answer

Natural selection acts on heritable variation, leading to adaptation and speciation.

Question 13

Which organelle is primarily responsible for energy production in eukaryotic cells?

Accepted Answer

Mitochondrion

Question 14

A student is examining a cell under a microscope and observes a cell wall, chloroplasts, and a large central vacuole. What type of cell is this most likely?

Accepted Answer

Plant cell

Question 15

Which of the following equations represents the process of photosynthesis?

Accepted Answer

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

Question 16

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

Accepted Answer

They act as catalysts to speed up chemical reactions.

Question 17

A patient is diagnosed with Tay-Sachs disease, which is caused by a malfunction in which organelle?

Accepted Answer

Lysosome

Question 18

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

Accepted Answer

Oxygen moving from the alveoli into the blood in human lungs.

Question 19

Which statement best describes Mendel's law of independent assortment?

Accepted Answer

Alleles for different traits segregate independently during gamete formation.

Question 20

A scientist wants to determine the concentration of a protein in a solution. Which laboratory technique would be most appropriate?

Accepted Answer

Spectrophotometry

General Biology I (BIOL-1406) Study Guide: Course Overview, Learning Outcomes, and Core Topics

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