Biology exam improvements pt 1

Question 1

What is the name of the area where stem cells are found?

Answer 1

Meristem

Question 2

What is a difference between embryonic and adult stem cells

Answer 2

Embryonic stem cells can become any type of cell in the body whereas adult stem cells can become only a few different types of cells in the body

Question 3

Why may people object the use of embryonic stem cells

Answer 3

ethical reasons
Human embryos may be destroyed

Question 4

What is the role of FSH in the menstrual cycle

Answer 4

Causes eggs to mature

Question 5

How are red blood cells adapted to transport oxygen around the body

Answer 5

Biconcave disc increases surface area for diffusion
No nucleus means more room to transport oxygen

Question 6

What gas diffuses out of blood and into the lungs

Answer 6

carbon dioxide

Question 7

What is the wall of the human heart made of?

Answer 7

Cardiac muscle

Question 8

What are differences in the structure of prokaryotic and eukaryotic cells?

Answer 8

Eukaryotes have a nucleus and prokaryotes do not
Prokaryotes have plasmids and eukaryotes do not

Question 9

Why are chloroplasts needed for photosynthesis

Answer 9

Contains chlorophyll to absorb light