cell revision

Question 1

How many pairs of chromosomes are found inside of a typical human body cell?

Answer 1

23

Question 2

Define chromosomes

Answer 2

Structure made of DNA

Question 3

Define DNA

Answer 3

Blueprint of living organisms.

Question 4

define Sub-cellular structure

Answer 4

Structures such as ribosomes and mitochondria

Question 5

Define Cytokinesis

Answer 5

Splitting of the cell membrane and cytoplasm.

Question 6

define division

Answer 6

dividing into two

Question 7

What is the total number of chromosomes found inside a typical human body cell?

Answer 7

46

Question 8

Which molecule are chromosomes made from?

Answer 8

DNA

Question 9

Define the term ‘gene’.

Answer 9

Section of DNA that codes for a characteristic/
Protein.

Question 10

How many chromosomes do you inherit from each parent?

Answer 10

23

Question 11

Describe what occurs to chromosomes during the first stage of the cell cycle.

Answer 11

Chromosomes are duplicated.

Question 12

A hamster has 22 chromosomes in a typical body cell. How many chromosomes will each cell have when they undergo the process of mitosis?

Answer 12

22 chromosomes.

Question 13

Describe what occurs to structures such as ribosomes and mitochondria at the start of the cell cycle.

Answer 13

Sub-cellular structures also duplicate (double)

Question 14

Describe what occurs to the cytoplasm and cell membrane at the final stage of the cell cycle.

Answer 14

Cytoplasm and cell membrane split to form two daughter cells (cytokinesis).

Question 15

Describe what occurs during the mitosis stage of the cell cycle.

Answer 15

Chromosomes line up at the equator and are pulled apart to opposite ends of the nucleus.

Question 16

What are the two different types of cells?

Answer 16

Prokaryotic and Eukaryotic.

Question 17

Which subcellular organelles are in most animal cells?

Answer 17

Nucleus, cytoplasm, cell membrane, mitochondria, ribosomes.

Question 18

What does the nucleus do?

Answer 18

Contains DNA and controls the cell

Question 19

What does the cytoplasm do?

Answer 19

Cytoplasm is where chemical reaction occur.

Question 20

What does the cell membrane do?

Answer 20

Hold the cell together

Question 21

What does the mitochondria do?

Answer 21

Where aerobic respiration occurs

Question 22

What do the ribosomes do?

Answer 22

Protein synthesis

Question 23

Which subcellular organelles are in most plant cells but not animal cells?

Answer 23

vacuole, chloroplasts, and cell wall.

Question 24

What does the cell wall do?

Answer 24

Made of cellulose and support the cell

Question 25

What does the permanent vacuole do?

Answer 25

Contains cell sap

Question 26

what do chloroplasts do?

Answer 26

Site of photosynthesis

Question 27

What does the chlorophyll do?

Answer 27

Absorbs light and is found within chloroplasts.

Question 28

Which kind of cells have a nucleus?

Answer 28

Eukaryotic cells.

Question 29

What is found in both animal and plant cells?

Answer 29

cell membrane, cytoplasm and nucleus.