biology topic 2- organisation and plant structure

Question 1

where is bile stored?

Answer 1

gall bladder

Question 2

where is excess water from food stored?

Answer 2

large intestine

Question 3

where is the protease enzyme stored?

Answer 3

stomach

Question 4

what is used to see if lipids are present?

Answer 4

sudan III solution

Question 5

what part of the heart pumps blood to the lungs?

Answer 5

right ventricle

Question 6

what is used to see if starch is present?

Answer 6

iodine solution

Question 7

what do white blood cells do?

Answer 7

fight germs

Question 8

what is used to see if protein sis present?

Answer 8

sodium hydroxide +copper sulphate

Question 9

what are enzymes?

Answer 9

biological catalysts - speed up chemical reactions

Question 10

what pressure does pump blood at?

Answer 10

high

Question 11

what part of the heart receives blood from the body?

Answer 11

right atrium

Question 12

what pressure do veins pump blood at?

Answer 12

low

Question 13

what is a stent?

Answer 13

small mesh tube typically used to hold open passages in the body

Question 14

what kind of lumen do capillaries have?

Answer 14

very small

Question 15

what do red blood cells do?

Answer 15

transport oxygen

Question 16

why is the waxy cuticle waterproof?

Answer 16

to prevent water loss by evaporation

Question 17

what does plasma do?

Answer 17

transports carbon dioxide, digested food hormones and heat

Question 18

what does the palisade layer contain and do?

Answer 18

-contain most chloroplasts
-do most photosynthesis

Question 19

where is digested food absorbed into the blood?

Answer 19

small intestine

Question 20

where are amylase produced?

Answer 20

salivary glands

Question 21

what does the phloem do?

Answer 21

transports glucose from the leaves where it is made by photosynthesis

Question 22

what does the xylem do?

Answer 22

transports water and mineral ions from the root

Question 23

what are the stomata?

Answer 23

holes/pores that allow gas exchange and water to evaporate

Question 24

what is used to see if glucose are present?

Answer 24

benedict’s solution

Question 25

if protein is present the colour changes from blue to _____?

Answer 25

purple

Question 26

if starch is present the colour is_____/_____

Answer 26

blue/black

Question 27

if lots of sugar is present the colour goes____

Answer 27

red/orange

Question 28

what happens if lipids are present?

Answer 28

layer of bright red

Question 29

what are the factors that affect digestive enzymes?

Answer 29

-temperature-pH
-enzyme concentration
-surface area
-pressure
-substrate concentration

Question 30

what is the part of the enzyme that the reaction binds to?

Answer 30

active sight

Question 31

what part of the heart is he natural pacemaker in?

Answer 31

right atrium

Question 32

what does the spongy mesophyll layer do?

Answer 32

leaves air spaces for gas exchange

Question 33

what does translocation do?

Answer 33

transport food substances made in leaves to rest of plant

Question 34

what is the transpiration stream?

Answer 34

xylem tubes take water and mineral ions up

Question 35

what is transpiration?

Answer 35

the loss of water from a plant

Question 36

what is the transpiration rate affected by?

Answer 36

-temperature
-air flow
-humidity
-light intensity