8.3How plants use glucose

Question 1

what do plant and algal cells use

Answer 1

glucose produced during photosynthesis for respiration, to convert into insoluble starch for storage, to produce fats or oils for storage

Question 2

why do plants produce fats or oils

Answer 2

for storage

Question 3

why do plants and algae produce cellulose

Answer 3

to strengthen cell walls

Question 4

why do they produce amino acids

Answer 4

for protein synthesis

Question 5

starch is ———– in water

Answer 5

insoluble

Question 6

what does starch provide

Answer 6

-an energy store when its dark or when light levels are low
-special storage areas of a plant.

Question 7

how do plants make amino acids

Answer 7

by combining sugars with nitrate ions and other mineral ions from soil

-theyre then built up into proteins

Question 8

how does algae make amino acids

Answer 8

by taking nitrate ions and other materials they need from water they live in

Question 9

whats the difference between plants making amino acids and algae

Answer 9

plants combine sugars with nitrate ions and algae take the nitrate ions

Question 10

explain why bogs are a difficult place for plants to live

Answer 10

theyre wet and their peaty soil has very few nutrients in it

Question 11

explain what plants are adapted to live in nitrate-poor soil

Answer 11

carnivorous plants (pitcher plants, Venus flytraps and sundews)
-they obtain most their nutrients from animals (insects) they catch
-they produce enzymes to digests the insects they trap