Chapter 1 5-15

Question 1

What is Biology?

Answer 1

Is the science that studies life.

Question 2

What is Homeostasis?

Answer 2

Refers to the relatively stable internal conditions of an organism.

Question 3

What is an Atom?

Answer 3

Is the smallest and most fundamental unit of matter that retains the properties of an element.

Question 4

What is a Molecule?

Answer 4

Is a chemical structure consisting of at least two atoms held together by a chemical bond.

Question 5

What is a Macromolecule?

Answer 5

Many molecules that are biologically important are macromolecules.

Question 6

What is an Organelle?

Answer 6

Some cells contain aggregates of macromolecules surrounded by membranes; these are called organelles.

Question 7

What is a Cell?

Answer 7

Is the basic structural, functional, and biological unit of all living organisms.

Question 8

What is a Prokaryote?

Answer 8

Do not have membrane-bound organelles.

Question 9

What is a Eukaryote?

Answer 9

Do have membrane-bound organelles and a nucleus.