Cell Basics

Question 1

What are the 4 points that cell theory states?

Answer 1

1) Cells are the fundamental unit of structure, function and organisation
2) Plant and animal tissues are composed of cells
3) Cells are the basic unit of life
4) Cells can only develop from existing cells

Question 2

What do all cells contain?

Answer 2

.Cytoplasm
.DNA
.Ribosomes
.Cell Membrane

Question 3

Define stem cells.

Answer 3

Specialise to form cells with different functions.

Question 4

Define a gene

Answer 4

A section of DNA that codes for a protein.

Question 5

Define cells.

Answer 5

The smallest structural and functional unit of an organism, which is typically microscopic and consists of cytoplasm and a nucleus enclosed in a membrane.

Question 6

Define tissues.

Answer 6

Groups of cells with similar structure and function

Question 6

Define organs

Answer 6

Groups of tissues that perform a specific function or functions.

Question 7

Define an organ system

Answer 7

Groups of organs working together for a particular task.

Question 8

Define an organism

Answer 8

Individual entity that exhibits the properties of life. Made up of organ systems.