chemistry of life

Question 1

Proteins differ from carbohydrates and fats that they all ……

Answer 1

contain element of nitrogen

Question 2

enzymes are very specific in heir functioning as a result of …..

Answer 2

the shape of the enzyme molecule

Question 3

enzyme molecules are ……

Answer 3

proteins

Question 4

sucrose + water to glucose + fructose

which is not apart of the following reaction

A)de hydration synthesis
B)disaccharide
C)enzyme
D)proteins

Answer 4

A) de hydration synthesis

Question 5

calcium is needed

Answer 5

strong bones and teeth or component of middle lamella of cell wall

Question 6

ORGANISMS MADE OF ONLY ONE CELL

Answer 6

MESOZOIC

Question 7

type of organic compound found in plant cell

Answer 7

cellulose

Question 8

what following combination prevents rickets

Answer 8

vitiman D and calcium

Question 9

element needed to poen and close stomata

Answer 9

potassium

Question 10

monomers of carbohydrates

Answer 10

monosaccharides

Question 11

vitamin that prevents night blidness

Answer 11

vitttiman A

Question 12

leaves translusant stains

Answer 12

lipids

Question 13

speeds up chemical reactions

Answer 13

enzymes

Question 14

ration of 2:1 of hydrogen and oxygen is for…..

Answer 14

carbohydrates

Question 15

whats makes an organic compound

Answer 15

when it has carbon

Question 16

for the protein test what color does it change to….

Answer 16

violet

Question 16

for the alternative protein test what is the idicator used

Answer 16

millions regent

Question 17

fats and oils test what is the indicator used

Answer 17

ethenol solution

Question 18

carbohydrates test what do u look for

Answer 18

glucose

Question 19

starch test what color does it turn

Answer 19

black

Question 20

carbohydrates test what color does it turn

Answer 20

orange

Question 21

for the protein test what is the idicator used

Answer 21

copper sulfate

Question 22

structure of lipids

Question 22

structure of lipids

Answer 22

1 glycerol and 3 fatty acids