Human Cells

Identify the organelles within the cell.

a

b

c

d

e

Ribosome

Endoplasmic reticulum

Lysosome

Golgi apparatus

Mitochondrion

Match the following

• lysosomes

• digest bacteria and worn - out organelles

• smooth endoplasmic reticulum

• directs the activities of the cell

• nucleus

• protein synthesis

• ribosome

• powerhouse of the cell

• mitochondria

• lipid synthesis

movement of substances against their concentration gradient is known as

osmosis is movement of

The sodium pump is an example of

Diffusion is movement of

Many white blood cells engulf bacteria through

• osmosis

• exocytosis

• phagocytosis

• diffusion

Which of the following is a function of ribosome?

• store calcium

• produce steroids

• synthesis protein

• packaged hydrolytic enzyme

which of the following directly regulates the movement of material into and out of a cell?

• cytoplasm

• cytosol

• nucleus

• plasma membrane

Compare the functions of the rough endoplasmic reticulum and the smooth endoplasmic reticulum.