Q: What is the function of the Na\textsuperscript{+}/K\textsuperscript{+} pump in cells?

Moves 3 Na\textsuperscript{+} out and 2 K\textsuperscript{+} in, using ATP.

Q: Which equation correctly represents the overall reaction of aerobic respiration?

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

Question 1

Which of the following best describes an organic molecule?

Accepted Answer

A molecule containing carbon and hydrogen in living things.

Question 2

What is the monomer unit of proteins?

Accepted Answer

Amino acids

Question 3

Which level of protein structure is primarily responsible for the three-dimensional folding of a protein due to covalent and noncovalent interactions?

Accepted Answer

Tertiary structure

Question 4

What happens to a protein when it is denatured?

Accepted Answer

It loses its shape and cannot function properly.

Question 5

Which of the following is a covalent bond important in biological molecules?

Accepted Answer

Peptide bond

Question 6

Which process describes programmed cell death?

Accepted Answer

Apoptosis

Question 7

Which of the following is a difference between saturated and unsaturated fats?

Accepted Answer

Saturated fats have no double bonds; unsaturated fats have double bonds.

Question 8

Which statement correctly describes passive transport across a cell membrane?

Accepted Answer

Includes processes such as diffusion and osmosis.

Question 9

In Type 1 Diabetes, what is the primary physiological problem?

Accepted Answer

Immune system destroys insulin-producing cells.

Question 10

Which hormone raises blood glucose by signaling the liver to release stored glucose?

Accepted Answer

Glucagon

Question 11

Atoms of the same element with different numbers of neutrons are called:

Accepted Answer

Isotopes

Question 12

Which of the following is a function of membrane proteins?

Accepted Answer

Act as channels, pumps, and receptors

Question 13

Where does glycolysis occur and what is its net ATP yield?

Accepted Answer

Cytoplasm, 2 ATP

Question 14

Which organelle is responsible for ATP production in the cell?

Accepted Answer

Mitochondrion

Question 15

What is the correct sequence for protein synthesis in a cell?

Accepted Answer

mRNA is translated at the ribosome after being transcribed from DNA in the nucleus.

Question 16

Which type of cell junction allows molecules and ions to pass directly between cells?

Accepted Answer

Gap junctions

Question 17

What is the function of the Na	extsuperscript{+}/K	extsuperscript{+} pump in cells?

Accepted Answer

Moves 3 Na	extsuperscript{+} out and 2 K	extsuperscript{+} in, using ATP.

Question 18

Which equation correctly represents the overall reaction of aerobic respiration?

Accepted Answer

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

Question 19

Which tissue type is responsible for transmitting electrical signals in the body?

Accepted Answer

Nervous

Question 20

A patient is unable to produce insulin due to destruction of pancreatic beta cells. Which process is most directly affected?

Accepted Answer

Glucose uptake by cells

Core Concepts in Anatomy & Physiology: Organic Molecules, Cell Structure, and Physiology

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