B2: Cell Division

Question 1

What is stage 1 of the cell cycle?

Answer 1

Replication of DNA to form two copies of each chromosome.

Question 2

What is stage 2 of the cell cycle?

Answer 2

Mitosis.

Question 3

What is stage 3 of the cell cycle?

Answer 3

Cell divides into two.

Question 4

What is an unspecialised cell known as?

Answer 4

A stem cell.

Question 5

Can humans differentiate throughout their lives?

Answer 5

No

Question 6

Can plants differentiate throughout their lives?

Answer 6

Yerrsss

Question 7

What human cells cannot divide?

Answer 7

Red blood cells and skin cells

Question 8

What do adult stem cells do?

Answer 8

Replace dead or damaged cells

Question 9

Where are undifferentiated cells formed in plants?

Answer 9

Meristems

Question 10

What do the egg and sperm fuse to form?

Answer 10

A zygote

Question 11

What is the main problem with embryonic stem cells?

Answer 11

Because they could be a potential human being it causes an ethical problem whether the embryos should be used without their decision.

Question 12

What could stem cells treat?

Answer 12

Spinal cord injuries, diabetes, heart damage after heart attacks, blindness and damaged bone and cartilage.