STAAR Cell

• The functions of living things occur in cells. 
• Cells exist only in multicellular organisms. 
• Living things are composed of cells. 
• Cells contain hereditary information. 

Tags

NGSS.MS-LS1-1

Which of the following is the smallest unit of life that can carry out all life functions?

• the mitochondria

• the vacuoles

• the nucleus

• the cell

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Which structures are found in every living cell?

• cell membrane and cytoplasm

• chloroplasts and mitochondria

• a cell wall and nucleus

• chloroplasts and cell wall

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

What is the function of the cell nucleus found in both plant and animal cells?

• to produce energy

• to control cell activity

• to remove waste products

• to allow molecules to enter the cell

Tags

NGSS.MS-LS1-2

Label the parts of the Cell Cycle

a

b

c

d

G2

Mitosis

S phase

G1

Tags

NGSS.HS-LS1-4

What is the function of the cell membrane?

• To produce energy

• To control what enters and leaves the cell

• To store genetic information

• To support the cell structure

Answer explanation

The cell membrane functions primarily to control what enters and leaves the cell, maintaining homeostasis and protecting the cell's internal environment.

Tags

NGSS.MS-LS1-2

Label parts of a plant cell.

a

b

c

d

mitochondria

chloroplast

nucleus

vacuole

Tags

NGSS.MS-LS1-2

What is the function of mitochondria in a cell?

• To produce energy

• To control cell activities

• To transport materials

• To provide structural support

Answer explanation

Mitochondria are known as the powerhouse of the cell because their primary function is to produce energy in the form of ATP through cellular respiration, making 'to produce energy' the correct choice.

Tags

NGSS.MS-LS1-2

What is the function of the nucleus in a cell?

• To produce energy

• To control cell activities

• To transport materials

• To provide structural support

Answer explanation

The nucleus is the control center of the cell, regulating activities such as growth, metabolism, and reproduction by managing gene expression and storing genetic information.

Tags

NGSS.MS-LS1-2

Identify the following cells:

a

b

c

Animal

Plant

Bacteria

Tags

NGSS.MS-LS1-1