2

Question 1

The energy compound of the cell that stores energy needed for cell activities;
adenosine triphosphate

Answer 1

ATP

Question 2

The category of organic compounds that includes sugars and starches

Answer 2

carbohydrate

Question 3

The basic structural and functional unit of the living organism, a microscopic unit that combines with other cells to form tissues

Answer 3

cell

Question 4

A thread-like body in a cell’s nucleus that contains genetic information

Answer 4

chromosome

Question 5

Study of cells

Answer 5

cytology

Question 6

The fluid that fills a cell and holds the organelles

Answer 6

cytoplasm

Question 7

The genetic compound of the cell, makes up the genes; deoxyribonucleic

Answer 7

DNA

Question 8

An organic substance that speeds the rate of a metabolic reaction

Answer 8

enzyme

Question 9

A hereditary unit composed of DNA and combined with other genes to form the
chromosomes

Answer 9

gene

Question 10

A simple sugar that circulates in the blood, the main energy source for metabolism

Answer 10

glucose

Question 11

Study of tissues

Answer 11

histology

Question 12

A steady state, a condition of internal stability and constancy

Answer 12

homeostasis

Question 13

A category of organic compounds that includes fats

Answer 13

lipid

Question 14

A simple, very thin, and pliable sheet of tissue that might cover an organ, line a cavity, or
separate structures

Answer 14

membrane

Question 15

The sum of all the physical and chemical reactions that occur within an organism

Answer 15

metabolism

Question 16

Cell division

Answer 16

mitosis

Question 17

A thick fluid secreted by cells in membranes and glands that lubricates and protects tissues

Answer 17

mucus

Question 18

The cell’s control center; directs all cellular activities based on the information contained
in its chromosomes

Answer 18

nucleus

Question 19

A part of the body with a specific function, a component of a body system

Answer 19

organ

Question 20

A specialized structure in the cytoplasm of a cell

Answer 20

organelle

Question 21

A category of organic compounds that includes structural materials, enzymes, and some
hormones

Answer 21

protein

Question 22

An organic compound involved in the manufacture of proteins within cells; ribonucleic

Answer 22

RNA

Question 23

A group of cells that acts together for a specific purpose

Answer 23

tissue

Question 24

The nitrogen-containing compounds that make up proteins

Answer 24

amino acids

Question 25

The type of metabolism in which body substances are made; the building phase of
metabolism

Answer 25

anabolism

Question 26

The type of metabolism in which substances are broken down for energy and simple compounds

Answer 26

catabolism

Question 27

A fibrous protein found in connective tissue

Answer 27

collagen

Question 28

The outer region of an organ

Answer 28

cortex

Question 29

A complex sugar compound stored in liver and muscles and broken down into glucose
when needed for energy

Answer 29

glycogen

Question 30

Between parts, such as the spaces between cells in a tissue

Answer 30

interstitial

Question 31

The inner region of an organ, marrow

Answer 31

medulla

Question 32

The functional tissue of an organ

Answer 32

parenchyma

Question 33

Pertaining to a wall, describes a membrane that lines a body cavity

Answer 33

parietal

Question 34

The body

Answer 34

soma

Question 35

An immature cell that has the capacity to develop into any of a variety of different cell types, a precursor cell

Answer 35

stem cell

Question 36

Pertaining to the internal organs, describes a membrane on the surface of an organ

Answer 36

visceral