Unit 6 Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

what is photosynthesis

A

the process that allows plants to make carbohydrates from raw materials, using energy from light

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what is the formula for photosynthesis

A

carbon dioxide +water = glucose + oxygen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

what does photosynthesis require

A

they can only happen in the presence of light and chlorophyll

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

where is chlorophyll found

A

in chloroplast that is found in plant cells and absorbs energy transferred by light

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what is the chemical equation of photosynthesis

A

6C02 + 6H20 = C6H12O6 + 6O2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

how is glucose made in photosynthesis stored

A

stored in leaves as starch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

what happens to glucose in plants

A

converted to sucrose when being transported and can easily be changed back to glucose

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

what does it mean that the process of photosynthesis is controlled by enzymes

A

it works best at an optimal temperature

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

what is a limiting factor

A

a factor that prevents the rate of photosynthesis from increasing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

if aerobic respiration continually happens in plant cells and since photosynthesis happens in the presence of light, what can be deduced

A

at low light intensities, plants will release carbon dioxide
at high light intensities, plants will release oxygen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

what is the function of the cuticle

A

waxy layer that stops water from evaporating

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

what is chloroplast

A

contains chlorophyll and is the site of photosynthesis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

what is the upper epidermis

A

thin layer that lets light pass throuhg and protects the inner cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

what is the palisade mesophyll cells

A

box shaped cells that are packed close together and have lots of chloroplasts
is the tissue in which photosynthesis happens

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

what is the xylem

A

carries water and mineral ions from the root to the leaf

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

what is the phloem

A

carries sucrose away from the leaf

17
Q

what is the vascular bundle

A

contains the phloem and xylem

18
Q

what is the lower epidermis

A

protects the inner cells
thin layer

19
Q

what are the guard cells

A

works in pairs to control the size of the opening of the stoma
when flaccid, its closed
when turgid, its open

20
Q

what is the stomata

A

controls the diffusion of water vapour and gases in and out of the lead

21
Q

what is the spongey mesophyll

A

site of gas exchange where cells are loosely spaced, creating space to allow diffusion of gases throughout the leaf