Cells

Question 1

what are the main parts in a animal cell?

Answer 1

nucleus - controls cell activities

cytoplasm - where chemical reactions take place

cell membranes - controls what enters/exits the cell

mitochondria - where energy is released during respiration

ribosomes - where protein synthesis occurs

Question 2

What do plant and algal cells have?

Answer 2

cell wall made of cellulose - strengthens the cell

chloroplasts - absorb light energy for photosynthesis

vacuole - where cell sap is stored

Question 3

What does a bacterial cell consist of?

Answer 3

cytoplasm

membrane surrounded by a cell wall

genes are not located in a distinct nucleus

Question 4

What does yeast consist of?

Answer 4

also a single cell organism

have a nucleus, cytoplasm and a membrane surrounded by a wall

Question 5

What is diffusion?

Answer 5

spreading is the spreading of the particles of gas or of any substance in a solution

high concentration -> low

the greater the difference in concentration, the faster the rate of diffusion

Question 6

How do cells get oxygen for respiration?

Answer 6

O2 passes through cell membranes by diffusion