Chapter 1.3

Question 1

Atoms

Answer 1

Chemicals consist of these tiny particles, which are composed of even smaller subatomic particles.

Question 2

Atoms can join to form..

Answer 2

molecules

Question 3

Small molecules may combine to form

Answer 3

larger macromolecules

Question 4

A cell is

Answer 4

The basic unit of structure and function in humans. All share certain characteristics.

Question 5

Organelles are..

Answer 5

cells of complex organisms that carry on specific activities. Composed of large molecules, including proteins, carbohydrates, lipids, and nucleic acids.

Question 6

A tissue is

Answer 6

When specialized cells assemble into layers or masses hat have specific functions.

Question 7

Groups of different tissues form

Answer 7

organs- complex structures with specialized functions

Question 8

Group of organs that function closely form

Answer 8

organ systems

Question 9

interacting organ systems make up an..

Answer 9

organism

Question 10

Example of subatomic particples?

Answer 10

electrons, protons, neutrons

Question 11

examples of atoms?

Answer 11

Hydrogen atom, lithium atom

Question 12

examples of macromolecules?

Answer 12

Protein molecule, DNA molecule

Question 13

Example of cells?

Answer 13

Muscle cell, nerve cell

Question 14

Example of organs?

Answer 14

skin, femur, heart, kidney

Question 15

Example of organism?

Answer 15

Human