random

Question 1

test for starch?

Answer 1

IODINE (orange -> blue black)

Question 2

test for fats?

Answer 2

ETHANOL (colourless-> cloudy)

Question 3

test for glucose?

Answer 3

BENEDICTS (blue-> brick red) depending on quantity of glucose

Question 4

test for proteins?

Answer 4

BIURETS (blue -> purple)

Question 5

define “catalyst”?

Answer 5

-speeds up reaction
- by giving an alternative pathway
-or lowering activation energy
-NOT USED UP

Question 6

what is another name for an enzyme?

Answer 6

biological catalyst

Question 7

what does bile do?

Answer 7

neutralises stomach acid and emulsifies fats

Question 8

what does carbohydrase turn carbs into?

Answer 8

simple sugars

Question 9

what does protease turn proteins into?

Answer 9

amino acids

Question 10

what does lipase turn lipids into?

Answer 10

glycerol and fatty acids

Question 11

pathway of blood?

Answer 11

R VAVA VAVA L
rest of body
vena cava
ra
rv
artery (pulmonary)
lungs
vein (pulmonary)
la
lv
aorta
body

Question 12

features of arteries?

Answer 12

high pressure, thick walls, thin lumen
carry away from heart

Question 13

features of veins?

Answer 13

valves, carry deoxygenated blood to heart

Question 14

what does plasma carry?

Answer 14

hormones
urea
co2
rbc
wbc
platelets

Question 15

what do platelets do?

Answer 15

blood clots

Question 16

what shape are rbc?

Answer 16

biconcave disc- for a large surface area