At the arteriole end of the capillary, hydrostatic pressure is high. This leads to fluid containing glucose, oxygen etc passing out of the capillary. The proteins in the plasma are too big to pass through the gaps in the capillary walls so remain in the blood. At the venule end of the capillary hydrostatic pressure is low as the tissue fluid has left the blood. The water potential is low in the capillary due to the blood proteins, this causes water to move back into the capillary by osmosis. Any other fluid is drained via the lymph, which eventually returns to the blood via ducts in veins near the heart.

well you deffo got 6 marks !!

Reply 2664

roro_tu

Original post by happ

thought it was fine, 2 hours for the mitosis question?

yuuup, i got that, and most of the people i asked afterwards :smile:

what other taxon did that hummingbird belong to?

Reply 2665

hazelw

What did everyone write for the last question? I got well confused

This was posted from The Student Room's iPhone/iPad App

Reply 2666

Cath-ay

Hmm I think the difficultly was similar to jan12... So maybe similar grade boundaries. The last question was annoying :tongue:

Reply 2667

tom.west

Original post by happ

thought it was fine, 2 hours for the mitosis question?

That's what I got

Reply 2668

happ

Original post by Conan

I was really confused about last question part (c), where they ask you why the people selected were all similar ages?

I put they would have the same probability of developing heart valve disease because if it was someone young compared to someone old the old person would have a much bigger chance of developing it

Reply 2669

medicalmillie

I thought last question was quite vague and the fact that there was a whole page of lines for a 4 mark question was quite off putting :P

Reply 2670

izzwizz

Did people get Metaphase and Anaphase?
or Prophase and Anaphase?

Reply 2671

hannah1994

if anyone does an unofficial mark scheme, can they post it on here :smile:

Reply 2672

CameronLee

Original post by izzwizz

Did people get Metaphase and Anaphase?
or Prophase and Anaphase?

Yep Metaphase and Anaphase , the pictures were terrible! :P

Reply 2673

hannah1994

Original post by izzwizz

Did people get Metaphase and Anaphase?
or Prophase and Anaphase?

I got metaphase, i deliberated over prophase but thought prophase would be more random and coiled together as they did seem to be lining up..?

Reply 2674

Cath-ay

Original post by happ

thought it was fine, 2 hours for the mitosis question?

Can you tell me how you got that? :/

Reply 2675

kingam

Original post by izzwizz

Did people get Metaphase and Anaphase?
or Prophase and Anaphase?

Prophase and anaphase is what I got

Reply 2676

happ

Original post by izzwizz

Did people get Metaphase and Anaphase?
or Prophase and Anaphase?

metaphase and anaphase because for the first one it looked like they were linked up in the middle and the spindle fibres were attached to the centromere, i could be wrong though