Science Cells

What is a cell?

• made up of one cell

• consists of many cells

• a basic unit of life

• any living thing

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What is homeostasis?

• multicellular

• internal conditions that organisms maintain

• a basic unit of life

• constant conditions that an organism maintains

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How many cells does a unicellular organism have?

• 0 cells

• only one single cell

• 2 or 3 cells

• more than 5 cells

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how many characteristics do living things have/need?

• 6

• 3

• 8

• 10

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.

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NGSS.MS-LS1-2

What is the basic unit of life?

• Atom

• Molecule

• Cell

• Tissue

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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.

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What is the main function of red blood cells in the human body?

• Fight infections

• Transport oxygen

• Produce hormones

• Digest food

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

how are multicellular and unicellular different?

• their name

• one has multiple cells the other only has one single cell

• the amount of cells

• there is no difference

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