Biochemistry

Question 1

Carbohydrates

Answer 1

Organic compounds in food or living tissue composed of sugars and starch.

Question 2

Lipids

Answer 2

Organic compounds that consist of fatty acids.

Question 3

Proteins

Answer 3

Organic compounds that consist of large molecules composed of one or more long chains of amino acids.

Question 4

Nucleic Acids

Answer 4

DNA or RNA

Question 5

Elements

Answer 5

Cannot be broken down into more fundamental substances.

Question 6

Compounds

Answer 6

A mixture.

Question 7

Organic Compounds

Answer 7

Any chemical compound that contains carbon.

Question 8

Ions

Answer 8

An atom or molecule with a net electric charge due to the loss or gain of one or more electrons.

Question 9

Isotopes

Answer 9

Same element that contain equal numbers of protons but different numbers of neutrons in their nuclei.

Question 10

Chemical Bonds

Answer 10

A bond between multiple atoms.

Question 11

Chemical Reactions

Answer 11

A process that involves rearrangement of the molecular or ionic structure of a substance.

Question 12

Enzyme

Answer 12

A catalyst to bring about a specific biochemical reaction.

Question 13

Metabolism

Answer 13

The chemical processes that occur within a living organism in order to maintain life.

Question 14

Homeostasis

Answer 14

The tendency toward a relatively stable equilibrium between interdependent elements.

Question 15

Solution

Answer 15

A liquid mixture in which the minor component (the solute) is uniformly distributed within the major component (the solvent).

Question 16

Acid

Answer 16

A chemical substance that neutralizes alkalis.

Question 17

Base

Answer 17

substances that, in aqueous solution, release hydroxide ions, are slippery to the touch, can taste bitter if an alkali.

Question 18

pH Scale

Answer 18

Scale to show how basic or acidic a mixture is.

Question 19

Atomic Number

Answer 19

The number that shows where an element is organized on the periodic table.

Question 20

Atomic Mass

Answer 20

The weight of an element.