misc things

Question 1

direction of na+ transport during co transport w/ glucose

Answer 1

out of the cell

Question 2

golgi apparatus function

Answer 2

process and packages proteins and lipids

Question 3

golgi vesicles function

Answer 3

directs molecules to the correct destination

Question 4

ser function

Answer 4

synthesises lipids and phospholipids

Question 5

rer function

Answer 5

synthesises proteins

Question 6

why is there blood flow between lamellae

Answer 6

maintains countercurrent

Question 7

what happens after glycolysis if aerobic respiration is happening

Answer 7

pyruvate enters the mitochondrial matrix via active transport

Question 8

cholinergic synapse vs nmj differences

Answer 8

synapse is between neurones, nmj is between a synapse and a muscle
synapse can inhibit or excite, nmj is just excitory

Question 9

artery structure

Answer 9

thick smooth muscle and elastic fibres, narrow lumen

Question 10

arteriole structure

Answer 10

thin layer and wider lumen

Question 11

larger diameter axons…

Answer 11

have less resistance facing ion flow so conduct faster

Question 12

what happens to some of the energy released from photoionisation

Answer 12

conserved in the production of atp and nadph

Question 13

pcr- stages and temperatures

Answer 13

separation 92c
priming 55c
synthesis 72c

Question 14

types of stem cell in embryos

Answer 14

totipotent- all, includes placenta/umbilical cord

pluripotent- most

Question 15

what is transcription inhibited by?

Answer 15

increased methylation

decreased acetylation

Question 16

what does the sirna complex bind to?

Answer 16

mrna

Question 17

tropism

Answer 17

directional growth response in plants

Question 18

taxis

Answer 18

movement of an animal towards or away from a stimulus

Question 19

kinesis

Answer 19

change in the rate of movement towards favourable conditions