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

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

Question 1

Which of the following best describes the process of evolution as discussed in the foundations of biology?

Accepted Answer

Evolution is the process of change that has resulted in the astounding diversity of organisms on Earth.

Question 2

In the biological hierarchy, which level comes directly after 'community'?

Accepted Answer

Ecosystem

Question 3

Which statement about prokaryotic and eukaryotic cells is correct?

Accepted Answer

Both prokaryotic and eukaryotic cells contain a cell membrane and genetic material.

Question 4

Which of the following is NOT a unifying theme in biology according to the study materials?

Accepted Answer

Random mutation without selection

Question 5

A scientist is studying how different populations of birds interact with each other and their environment. At which level of biological organization is the scientist working?

Accepted Answer

Community

Question 6

Which of the following best explains why structure and function are correlated in biological systems?

Accepted Answer

The structure of a biological molecule determines its function within the cell.

Question 7

Which molecule contains a cell’s genetic material in the form of DNA?

Accepted Answer

Chromosome

Question 8

During cellular respiration, what is the final electron acceptor?

Accepted Answer

Oxygen

Question 9

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 10

Which of the following best describes the role of DNA in living organisms?

Accepted Answer

DNA contains instructions for building and maintaining the organism.

Question 11

A mutation occurs in a gene that codes for a protein involved in cellular respiration. Which level of biological organization is directly affected first?

Accepted Answer

Cell

Question 12

Which of the following is a correct statement about the biosphere?

Accepted Answer

The biosphere encompasses all regions of Earth where life exists.

Question 13

Which of the following is an example of how evolution is a unifying theme in biology?

Accepted Answer

The shared anatomy of mammalian limbs reflects inheritance from a common ancestor.

Question 14

Which of the following best describes a population in biological terms?

Accepted Answer

A group of individuals of the same species living in the same area.

Question 15

Which of the following is a function of the cell membrane?

Accepted Answer

It regulates the movement of substances into and out of the cell.

Question 16

Which of the following is true about genes?

Accepted Answer

Genes are stretches of DNA that code for proteins.

Question 17

Which of the following best explains why diversity is important in biological systems?

Accepted Answer

Diversity allows populations to survive environmental changes.

Question 18

Which of the following is a correct sequence of levels in the biological hierarchy from smallest to largest?

Accepted Answer

Cell, tissue, organ, organism, population, community, ecosystem, biosphere

Question 19

Which of the following is a property shared by all living things?

Accepted Answer

Ability to reproduce

Question 20

Which of the following best describes the relationship between structure and function in biological molecules?

Accepted Answer

The function of a biological molecule is determined by its structure.

Foundations and Unifying Themes of Biology: Study Guide

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