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

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

Question 1

Which of the following best describes the hierarchical organization of biological systems from smallest to largest?

Accepted Answer

Molecule, cell, tissue, organ, organism

Question 2

A scientist is studying the effect of a new drug on the rate of cellular respiration in mitochondria. Which of the following would be the most direct measurement to assess this effect?

Accepted Answer

The rate of oxygen consumption by the mitochondria

Question 3

Which of the following statements about enzymes is correct?

Accepted Answer

Enzymes lower the activation energy of a reaction

Question 4

A mutation causes a cell to produce a nonfunctional sodium-potassium pump. Which of the following is the most likely consequence?

Accepted Answer

The cell will lose its ability to maintain proper ion gradients across the membrane

Question 5

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

Accepted Answer

S phase

Question 6

Which of the following best explains why water is an excellent solvent for many biological molecules?

Accepted Answer

Water is polar and can form hydrogen bonds with polar molecules

Question 7

A patient is diagnosed with a genetic disorder caused by a mutation in a gene encoding a membrane transport protein. Which cellular process is most likely to be directly affected?

Accepted Answer

Movement of ions or molecules across the cell membrane

Question 8

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

Accepted Answer

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

Question 9

Which of the following is a function of the smooth endoplasmic reticulum in eukaryotic cells?

Accepted Answer

Lipid synthesis and detoxification

Question 10

A researcher discovers a new organism that stores its genetic information in a single circular DNA molecule and lacks membrane-bound organelles. This organism is most likely a:

Accepted Answer

Prokaryote

Question 11

Which of the following best describes the flow of genetic information in a eukaryotic cell?

Accepted Answer

DNA $$\rightarrow$$ RNA $$\rightarrow$$ Protein

Question 12

Which of the following scenarios best illustrates the concept of homeostasis in a living organism?

Accepted Answer

A human sweating to cool down when body temperature rises

Question 13

Which of the following is a correct statement about the role of ATP in cellular metabolism?

Accepted Answer

ATP provides energy for cellular work by transferring a phosphate group to other molecules

Question 14

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

Accepted Answer

Hypotonic

Question 15

Which of the following best explains why carbon is considered the backbone of biological molecules?

Accepted Answer

Carbon can form up to four covalent bonds, allowing for a diversity of stable structures

Question 16

Which of the following best describes the difference between prokaryotic and eukaryotic cells?

Accepted Answer

Eukaryotic cells have membrane-bound organelles, prokaryotic cells do not

Question 17

A student is asked to design an experiment to test the effect of light intensity on the rate of photosynthesis in Elodea plants. Which variable should be the dependent variable?

Accepted Answer

The rate of oxygen production by the plant

Question 18

Which of the following is a correct statement about the process of mitosis?

Accepted Answer

Mitosis results in two genetically identical daughter cells

Question 19

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

Accepted Answer

Ribosomes synthesize proteins

Question 20

A geneticist is studying a family with a history of a recessive genetic disorder. If both parents are carriers (heterozygous), what is the probability that their child will inherit the disorder? Use a Punnett square to solve.

Accepted Answer

$$\frac{1}{4}$$

General Biology I (BIOL 1710) - Course Overview and Study Guide

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