ch 3 part 1 reviews

Question 1

chapter 3

Answer 1

molecules of life

Question 2

Large molecules made up of smaller building blocks or subunits

Answer 2

macromolecules

Question 3

any of a class of natural or synthetic substances composed of very large molecules, called macromolecules, which are multiples of simpler chemical units called monomers

Answer 3

polymere

Question 4

macromolecules examples :

Answer 4

protein , nuleic acid , carbohydrate
lipids

Question 5

macromolecules important why ?

Answer 5

essential to the buliding and functioning of living organism

Question 6

most ___________are made from single subunits, or building blocks, called monomers. The monomers combine with each other using covalent bonds to form larger molecules known as ___________

Answer 6

macromolecules , polymers

Question 7

Synthesis of Biological Macromolecules which is _____________________
and Monomers are joined through ______________ therefore it would be a loss of water molecules

Answer 7

Made up of monomers joined by covalent bonds ,
Dehydration Synthesis

Question 8

Polymers are broken down into monomers by a process called _____________

Answer 8

hydrolysis

Question 9

a type of chemical reaction in which two molecules are combined to form a single molecule, usually with the loss of a small molecule such as water

Answer 9

condensation reaction

con dns ation

con dens ation

Question 10

example of dehydration synthesis :

Answer 10

Question 11

hydrolysis example

Answer 11

dissolving a salt of a weak acid or base in water

Question 12

hydrolysis signs :

Answer 12

water added
split with water

Question 13

carbohydrate :

Answer 13

• primary fuel for cell
• -form alot of structure of cell
• contain carbon , hydrogen , oxygen ration is 1:2:1
• formula : (CH2O)n
• n= number of carbon

Question 14

made up of monomer called monosaccharides( simple sugar)
examples :
glucose
fructose
galactose

Answer 14

carbohydrate

Question 15

glucose

Answer 15

-blood sugar
-provide fuel for cellular activity

Question 16

glucose stored as ________ or ___________ for later use by animal

Answer 16

fat or glycogen

Question 17

Why isn’t all our energy stored as glycogen?

Answer 17

it is quite bulky with heavy water content,

Question 18

(polysaccharides)
vesus
disaccharide

Answer 18

complex carbohydrates
contain many simple sugar or large sugar molecules linked together such as : glycogen , starch , cellulose
whereas
contain 2 simple sugar bonded togather
such as sucrose and lactose