Question 1

Which of the following is NOT considered one of the eight characteristics shared by all living organisms?

Accepted Answer

Ability to metabolize oxygen

Question 2

Which biological level of organization is immediately smaller than macromolecules?

Accepted Answer

Molecules

Question 3

A scientist discovers a new entity that contains DNA, can evolve, but cannot reproduce without hijacking a host cell. Which statement best describes this entity?

Accepted Answer

It is most likely a virus.

Question 4

Which of the following statements about viruses is FALSE?

Accepted Answer

Viruses are composed of cells.

Question 5

Which characteristic of life is directly responsible for the ability of organisms to respond to environmental changes?

Accepted Answer

Response to stimuli

Question 6

Which of the following best describes homeostasis?

Accepted Answer

Maintaining internal stability despite external changes

Question 7

Which level of biological organization contains structures such as mitochondria and nuclei?

Accepted Answer

Organelles

Question 8

If a mutation occurs in the DNA of an organism, which characteristic of life does this most directly relate to?

Accepted Answer

Evolution

Question 9

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

Accepted Answer

Multicellular organism → organ → tissue → cell → organelle → macromolecule → molecule → atom

Question 10

Which characteristic of life ensures that offspring inherit genetic information from their parents?

Accepted Answer

Heredity

Question 11

A patient is unable to maintain a stable internal temperature despite changes in the environment. Which characteristic of life is impaired?

Accepted Answer

Homeostasis

Question 12

Which of the following is a direct consequence of the characteristic of life known as 'order'?

Accepted Answer

Cells are organized into tissues and organs

Question 13

Which characteristic of life is most directly associated with the ability to produce offspring?

Accepted Answer

Reproduction

Question 14

Which of the following is TRUE regarding the biochemical unity of life?

Accepted Answer

All living organisms are remarkably similar at the molecular/atomic levels of life.

Question 15

Which of the following is NOT a macromolecule found in living organisms?

Accepted Answer

Water ($$H_2O)$$

Question 16

A mutation in the DNA sequence of a cell leads to a change in the protein produced. Which two characteristics of life are most directly involved in this scenario?

Accepted Answer

Heredity and evolution

Question 17

Which of the following best explains why viruses are not considered living organisms?

Accepted Answer

They are not composed of cells.

Question 18

Which characteristic of life is most directly responsible for the ability of DNA mutations to be passed on to future generations?

Accepted Answer

Heredity

Question 19

Which of the following is the correct formula for a water molecule?

Accepted Answer

$$H_2O$$

Question 20

Which of the following is an example of a macromolecule?

Accepted Answer

Protein

Characteristics of Life and Biological Organization: Foundations of Biochemistry

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