Q: Which equation correctly represents the hydrolysis of ATP to release energy?

$$\mathrm{ATP} + \mathrm{H}_2\mathrm{O} \rightarrow \mathrm{ADP} + \mathrm{P}_i + \text{energy}$$

Question 1

Which of the following best describes the difference between anatomy and physiology?

Accepted Answer

Anatomy studies the structure of body parts, while physiology studies how those parts function.

Question 2

Which of the following correctly lists the levels of organization in the human body from simplest to most complex?

Accepted Answer

Atom, molecule, cell, tissue, organ, organ system, organism

Question 3

A patient is experiencing a drop in blood glucose levels. The pancreas releases glucagon, which causes the liver to release glucose into the blood, restoring normal levels. This is an example of which type of feedback mechanism?

Accepted Answer

Negative feedback

Question 4

Which organ system is responsible for transporting nutrients, gases, and wastes throughout the body, and which organ is a primary component of this system?

Accepted Answer

Circulatory system; heart

Question 5

Which of the following correctly matches a body cavity with one of its subdivisions?

Accepted Answer

Thoracic cavity – pleural cavity

Question 6

Which of the following statements about water is correct?

Accepted Answer

Water has a high heat capacity, allowing it to absorb and release heat slowly.

Question 7

A solution has a pH of 4. Which of the following statements is true?

Accepted Answer

The solution is acidic and has a high concentration of H$$^+$$ ions.

Question 8

Which of the following is a correct pairing of a biomolecule class with its monomer?

Accepted Answer

Nucleic acids – nucleotides

Question 9

Which equation correctly represents the hydrolysis of ATP to release energy?

Accepted Answer

$$\mathrm{ATP} + \mathrm{H}_2\mathrm{O} ightarrow \mathrm{ADP} + \mathrm{P}_i + 	ext{energy}$$

Question 10

Which of the following best describes the function of the rough endoplasmic reticulum (RER) in a cell?

Accepted Answer

Synthesizes proteins for export out of the cell

Question 11

A cell is placed in a hypertonic solution. What will most likely happen to the cell, and which transport process is responsible?

Accepted Answer

The cell will shrink due to osmosis.

Question 12

Which of the following is a property of the plasma membrane that allows it to regulate the movement of substances into and out of the cell?

Accepted Answer

It is selectively permeable due to the arrangement of phospholipids and proteins.

Question 13

Which of the following best describes the difference between endocrine and exocrine glands?

Accepted Answer

Endocrine glands secrete hormones directly into the bloodstream; exocrine glands secrete substances into ducts.

Question 14

Which of the following is a characteristic of connective tissue?

Accepted Answer

It contains abundant extracellular matrix and supports, binds, or protects other tissues.

Question 15

Which type of muscle tissue is under voluntary control and contains striations?

Accepted Answer

Skeletal muscle

Question 16

A gland releases its secretion by pinching off a portion of the cell membrane, which then forms a vesicle. This describes which type of secretion?

Accepted Answer

Apocrine

Question 17

Which of the following is a function of cholesterol in the plasma membrane?

Accepted Answer

It stabilizes the membrane and maintains its fluidity.

Question 18

Which of the following best describes the function of nervous tissue?

Accepted Answer

It transmits electrical impulses for communication and control.

Question 19

Which of the following is true regarding isotopes?

Accepted Answer

Isotopes have the same number of protons but different numbers of neutrons.

Question 20

Which of the following best describes the anatomical position?

Accepted Answer

Standing upright, facing forward, arms at the sides with palms facing forward

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