biomolecules

Question 1

are chemical compounds which form the basis of life

Answer 1

biomolecules

Question 2

are essential for life as it helps organisms to carry out biological processes such as reproduction, growth and maintenance

Answer 2

biomolecules

Question 3

these have a wide range of sizes and structures and perform a vast array of function; thus they are composed of different kind of elements

Answer 3

biomolecules

Question 4

what are the elements that composed biomolecules? (CHNOPS)

Answer 4

Carbon
Hydrogen
Nitrogen
Oxygen
Phosphorus
Sulfur

Question 5

_ also contain four major macromolecules

Answer 5

biomolecules

Question 6

these are large, complex molecules which are usually formed from the product of smaller molecules like carbohydrates, lipids and proteins

Answer 6

macromolecules

Question 7

__ provides structural support, stores genetic information and act as energy sources

Answer 7

macromolecules

Question 8

what are the FOUR classification of macromolecules?

Answer 8

Carbohydrates
Lipids
Proteins
Nucleic Acid

Question 9

these are products of plant photosynthesis and are the main source of energy for humans and animals

Answer 9

carbohydrates

Question 10

these are commonly referred to a sugar

Answer 10

carbohydrates

Question 11

carbohydrates have three types of sugars

Answer 11

monosaccharides
disaccharides
polysaccharides

Question 12

these are calles as “simple sugars” and contain only ONE sugar unit

Answer 12

monosaccharides

Question 13

what are the most common monosaccharides? (3)

Answer 13

glucose
galactose
fructose

Question 14

these are the primary form of sugar used by the cells as an energy source

Answer 14

glucose

Question 15

the _ is the only carbohydrate-dependent organ in the body

Answer 15

brain

Question 16

these can be derives from milk and other dairy products

Answer 16

galactose

Question 17

this sugar can be obtained from fruits

Answer 17

fructose

Question 18

these are formed when TWO monosaccharide units are linked together

Answer 18

disacchharides

Question 19

disaccharides have two types of sugars.

Answer 19

maltose
lactose

Question 20

this is formed from two glucose units and is obtained from cereals and grains

Answer 20

maltose

Question 21

these are made up f more than two monosaccharide units

Answer 21

polysaccharides

Question 22

polysaccharides have three forms of sugar:

Answer 22

starch
glycogen
cellulose

Question 23

this is a stored form of sugar in plants and serve as major sources of energy for humans

Answer 23

starch

Question 24

this is a highly branched form of sugar that is synthesized in the human body and in animals

Answer 24

glycogen

Question 25

this is the main structural component of plants; it makes up the plant cell wall

Answer 25

cellulose

Question 26

consumption of carbohydrates in high quantities results in?

Answer 26

obesity

Question 27

_ are waxy or oily. They are fatty compounds that are insoluble in water

Answer 27

lipids

Question 28

these have the job of storing energy for later use

Answer 28

lipids

Question 29

fats make up _ of the brain and the nerves that run every system of the body

Answer 29

60%

Question 30

these are animal-based lipids and generally have high melting points

Answer 30

fats

Question 31

these are derived from plants and have low melting point. can be obtains from nuts and other plant-based products

Answer 31

oils

Question 32

humans used these molecules as long term reserves of energy

Answer 32

fats and oils

Question 33

these comprise about 15% of the human body. they can be obtainedd frm meat, poltry, fish, legumes, eggs, nuts and dairy products

Answer 33

proteins

Question 34

proteins are major structural components of _, _, _ and _

Answer 34

muscles skin nails cartilages

Question 35

what are the two types of nucleic acids?

Answer 35

DNA (Deoxyribonucleic acid) RNA (ribonucleic acid)

Question 36

DNA consists of? (3)

Answer 36

phosphate deoxyribose nitrogenous bases (ACTG)

Question 37

RNA consists of? (2)

Answer 37

sugar ribose nitrogenous bases (AUCG)

Question 38

DNA function -

Answer 38

stores genetic information

Question 39

RNA function -

Answer 39

directs protein synthesis

Question 40

these provide consumers with the information about the ingredients, product usage and the shelf life of prepackaged food products

Answer 40

food labels

Question 41

these help consumers to observe a healthy diet and make sound food choices

Answer 41

food labels