biomolecules

Question 1

4 main types

Answer 1

carbohydrate
lipids
proteins
vitamins

Question 2

most common elements

Answer 2

carbon
oxygen
hydrogen
nitrogen
phosphorus
sulfur

Question 3

5 elements dissolved in salts

Answer 3

sodium
magnesium
chlorine
potassium
calcium

Question 4

trace elements

Answer 4

iron
zinc
copper

Question 5

carbohydrates
contain:

Answer 5

carbon
hrydrogen
oxygen

Question 6

carbohydrates
ratio:

Answer 6

Cx(H2O)y

Question 7

function

Answer 7

structural-forms cell walls
metabolic-glucose gives energy in respiration, glycogen stores energy in animals, starch stores energy in plants

Question 8

3 categories
monosaccharides

Answer 8

1 sugar unit-glucose, fructose, ribosome

Question 9

disaccharides

Answer 9

2 sugar units joined together
maltose sucrose
soluble in water

Question 10

polysaccharides

Answer 10

many sugar units joined together
starch cellulose glycogen
not sweet not soluble in water

Question 11

how to test for carbohydrates

Answer 11

starch: idonine🔴/🟡->🔵/⚫️
reducing sugar:benedicts solution
🔵->🔴

Question 12

proteins
structure:

Answer 12

contains carbon, hydrogen, oxygen,nitrogen

Question 13

sources

Answer 13

🥩🐟🍳🥛peas🫘

Question 14

functions:
structure…

Answer 14

keratin found in hair and skins💇🏻‍♀️
myosin found in muscles💪🏼

Question 15

metabolic

Answer 15

enzymes control reactions

Question 16

test for proteins

Answer 16

biuret test: sodium hydroxide, copper sulfates
🔵->🟣

Question 17

lipids contain

Answer 17

carbon hydrogen and oxygen
(fats and oils)

Question 18

basic unit

Answer 18

triglyceride- composed of a single glycerol to which 3 fatty acids are attached

Question 19

phospholipids

Answer 19

fatty substance in which a phosphate group replaced one of the fatty acid groups

Question 20

test for lipids🟤

Answer 20

brown paper, if it goes translucent fat is present

Question 21

viatamins:water soluble💧

Answer 21

vitamin C

Question 22

water soluble:💧 sources

Answer 22

fruit🍋🍊lime

Question 23

water soluble:uses💧

Answer 23

beeded to form skin gums cartilage ligaments blood vessels🩸

Question 24

vitamin water doluble:deficieny💧

Answer 24

scurvy

Question 25

: fat soluble

Answer 25

vitamin D

Question 26

fat : sources

Answer 26

liver 🐟 oils 🥛VV Rays in 🌞

Question 27

fat soluble use

Answer 27

absorb calcium from our intestines into the blood🩸

Question 28

fat soluble deficiency

Answer 28

rickets in children osteomalacia in adults

Question 29

minerals:plants🌱

Answer 29

calcium holds walls together
magnesium used to make green pigment chlorophyll🟢

Question 30

minerals animals🐾

Answer 30

calcium forms bones+teeth 🦴
iron forms pigment haemoglobin in red blood cells 🩸

Question 31

importance of water in living things💧

Answer 31

major component of cytoplasm+body fluids
good solvent-allows many cell reaction to take place
key role in chemical reactions

Question 32

anabolic reactions

Answer 32

make larger molecules from smaller ones
requires energy
photosynthesis

Question 33

catabolic reactions

Answer 33

break down larger molecules to form smaller ones