Animal And Plant Cells

Question 1

What type of DNA structure is only present in prokaryotes?

Answer 1

Single loop of DNA

Question 2

Describe the function of ribosomes.

Answer 2

Site of protein synthesis

Question 3

Why do some scientists think that prokaryotic cells evolved?

Question 4

What are the two main types of cells mentioned?

Answer 4

Eukaryotic and prokaryotic

Question 5

What is the general structure of a typical animal cell?

Answer 5

Mitochondrion, cell membrane, ribosome, nucleus, cytoplasm

Question 6

What is diffusion?

Answer 6

The net movement of particles from an area of high concentration to an area of lower concentration

Question 7

What is an organelle?

Answer 7

A part of a cell with a specific function

Question 8

What is a chromosome?

Answer 8

Structure containing DNA, found in the nucleus of eukaryotic cells

Question 9

What is a mitochondrion?

Answer 9

A small cell organelle where respiration occurs, found in the cytoplasm of eukaryotic cells

Question 10

What components do animal cells and bacterial cells have in common?

Answer 10

Cytoplasm and ribosomes

Question 11

What controls what substances go in and out of animal cells?

Answer 11

Cell membrane

Question 12

How do glucose and oxygen enter animal cells?

Answer 12

By diffusion or transported from the blood

Question 13

What happens to carbon dioxide in animal cells?

Answer 13

Moves back into the blood capillaries through the membrane

Question 14

Why do more active cells have more mitochondria?

Answer 14

They need more energy

Question 15

What is the role of the nucleus in a cell?

Answer 15

Controls the activities of the cell and contains genetic material

Question 16

What are typical components of a generalized plant cell?

Answer 16

Mitochondrion, cytoplasm, vacuole, chloroplast, ribosome, cell wall, cell membrane, nucleus

Question 17

True or False: Animal cells have cell walls.

Answer 17

False

Question 18

Fill in the blank: The cytoplasm of animal cells is mainly _______.

Answer 18

Water

Question 19

How does the surface area of mitochondria contribute to its function?

Answer 19

Folds increase the rate at which energy is released

Question 20

What distinguishes eukaryotic cells from prokaryotic cells?

Answer 20

Presence of a nucleus

Question 21

What is photosynthesis?

Answer 21

A chemical reaction that occurs in the chloroplasts of plants and algae and stores energy in glucose.

Question 22

What does turgid describe?

Answer 22

Swollen cells.

Question 23

What organelles are found in plant cells but not in animal cells?

Answer 23

Chloroplasts and cell wall.

Question 24

What is the function of chloroplasts?

Answer 24

They absorb light energy for photosynthesis.

Question 25

What pigment is found in chloroplasts?

Answer 25

Chlorophyll.

Question 26

What does photosynthesis convert?

Answer 26

Carbon dioxide and water into glucose and oxygen.

Question 27

What is the role of the cell wall in plant cells?

Answer 27

Provides structure and support.

Question 28

What is the composition of the cell wall?

Answer 28

Cellulose.

Question 29

What is the function of the permanent vacuole in plant cells?

Answer 29

It keeps the cell turgid by pressing the cytoplasm against the cell wall.

Question 30

What is found in the cell sap of the vacuole?

Answer 30

Water, dissolved sugars, and mineral ions.

Question 31

How many chloroplasts can be found in a square millimetre of leaf?

Answer 31

Well over half a million.

Question 32

What must be done before observing plant cells under a microscope?

Answer 32

Place a drop of iodine onto the tissue.

Question 33

What type of microscope is used to examine plant and animal cells?

Answer 33

Light microscope.

Question 34

Fill in the blank: The cell membrane is found inside the _______.

Answer 34

cell wall.

Question 35

True or False: Animal cells have a cell wall.

Answer 35

False.

Question 36

What is the purpose of using methylene blue when examining animal cells?

Answer 36

To stain the cells for better visibility.

Question 37

What safety equipment should be worn when examining animal cells?

Answer 37

Eye protection.

Question 38

What process is described in Method 1 for observing cells?

Answer 38

Using a light microscope to examine and label a selection of plant and animal cells.

Question 39

What happens if bubbles form when lowering the cover slip?

Answer 39

It may affect the clarity of the observation.