Biology 2a

Question 0

What is cytoplasm?

Answer 0

Gel-like substance which is where most of the chemical reactions happen and contains enzymes which control these chemical reactions

Question 1

What 5 features do animal cells contain?

Answer 1

Nucleus, cytoplasm, cell membrane, ribosomes, mitochondria.

Question 2

In addition to the 5 features of animal cells, what are the 3 features of plant cells?

Answer 2

Cell wall, chloroplasts, and the permanent vacuole

Question 5

What are ribosomes?

Answer 5

Where proteins are made in the cell

Question 6

What is mitochondria?

Answer 6

Where most of the reactions for respiration takes place which produces the energy which the cell needs to work

Question 7

What is the nucleus of a cell?

Answer 7

Contains the genetic material and controls the activities of the cell

Question 9

What is a cell membrane?

Answer 9

Holds the cell together and controls what goes in and out

Question 10

What is diffusion?

Answer 10

DIFFUSION IS THE SPREADING OUT OF PARTICLES
FROM AN AREA OF HIGH CONCENTRATION TO AN
AREA OF LOW CONCENTRATION

Question 11

Name the different parts of the digestive system

Answer 11

Glands, stomach, liver, small intestine, large intestine

Question 12

What is an organ system?

Answer 12

A group of organs working together to perform a particular function

Question 13

Give an example of a tissue and its function

Answer 13

Muscular tissue, which contracts to move whatever it’s attached to

Question 14

Give an example of tissues working together to perform a function

Answer 14

Muscular tissue, which moves the stomach wall to churn up the food

Question 15

Name two molecules which can diffuse through cell membranes into cells

Answer 15

Oxygen and glucose

Question 16

What is the word equation for photosynthesis?

Answer 16

Carbon dioxide + water -> (sunlight and chlorophyll) glucose + oxygen

Question 17

Name three features of a yeast cell

Answer 17

Has a nucleus, a cytoplasm, and a cell membrane surrounded by a cell wall

Question 18

Which substances can diffuse through cell membranes?

Answer 18

Oxygen, glucose, amino acids, and water (small molecules)

Question 19

Which two molecules can’t diffuse through cell membranes?

Answer 19

Starch and proteins

Question 20

How is a guard cell adapted for controlling water loss?

Answer 20

When the plant cell has lots of water they go turgid. This makes the stomata open so gases can be exchanged. When the plant is short of water they become flaccid, making the stomata close to stop water loss. They also close at night.

Question 21

What is the definition of an organ system?

Answer 21

A group of organs working together to perform a particular function

Question 22

Name 5 organs which are part of the digestive system

Answer 22

Pancreas, large intestine, small intestine, stomach, liver

Question 23

What is the function of a red blood cell

Answer 23

Carries oxygen

Question 24

Name 5 ways in which plants use glucose

Answer 24

Respiration, cell walls, proteins, stored in seeds, stored as starch