organelles jack

Question 1

nucleus main functions

Answer 1

.control centre of cell
.retain gm as dna and chromosomes
.make ribosomes

Question 2

nuclear envolope

Answer 2

double membrane
continues onto er
pores allow dna, rna and ribosomes in and out of cell

Question 3

nucleolus

Answer 3

denser than nucleus and forms ribosomes

Question 4

mitochondria main function

Answer 4

production of atp

Question 5

cristea function

Answer 5

folded inner membrane, large sa as has proteins and enzymes on it involved in respiration

Question 6

example of cell thats needs alot of mitochondria

Answer 6

epithilial cell as absorbs nutrients from intestine via active transport so needs alot of energy

Question 7

matrix function

Answer 7

contains proteins, lipids, dna and enzymes involved in production of some of own proteins

Question 8

chloroplasts main fucntion

Answer 8

carry out photosynthesis

Question 9

chloroplast envelope functions

Answer 9

double plasma membrane, highly selective in what it allows in and out

Question 10

grana fucntion

Answer 10

100 thylakoids
within thylakoids is chlorophyll and is where the light absorption part of reaction occurs

Question 11

stromo fucntion

Answer 11

where second stage of photosynthesis occurs where sugars are synthesised