The Unit of Life

Basic functional units of an organism are

• Cells
• Organs
• Atoms
• Veins

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Which one of the following statements is wrong?

• Most cell activities take place in the cytoplasm.

• Our traits are determined by the genes found in our nucleus.

• The cell membrane allows all substances to enter or leave the cell.

• The cytoplasm is a jelly-like substance.

We can see cells more clearly by using ________?

• a glass slide

• a magnifying glass

• binoculars

• a microscope

A ____________ cell is able to change its shape and size to help the body move.

• muscle

• cheek

• bone

• red blood

The purpose of the nucleus is to ___________.

• have a cell boundary

• control activities in the cell

• provide a medium for cell reactions to occur

• control materials entering and leaving the cell

It is thin membrane that surrounds the cytoplasm.

• cell wall

• cell membrane

• nucleus

• sap

It contains chlorophyll, the green pigment that traps sunlight to make food for the plant.

• cytoplasm

• cell wall

• chloroplast

• sap

It supports and gives the plant cell its shape.

• sap

• cell wall

• cell membrane

• cytoplasm

What do you call the process in which a cell divides into two or more cells?

• growth

• respiration

• cell division

• paramecium

Which living thing is made up of only one cell?

• lion

• anemone

• yeast

• moss