Biology CH 1: Part 1

Question 0

Lipids, Proteins, Enzymes

Large molecules containing carbon atoms are called micro molecules. True or false.

Answer 0

False ; biomolecules

Question 1

Lipids, Proteins, Enzymes

Carbon atoms can bond together in straight chains, branched chains, or rings. True or false.

Answer 1

True

Question 2

Lipids, Proteins, Enzymes

Polymers are formed by hydrolysis. True or false.

Answer 2

False; condensation

Question 3

Lipids, Proteins, Enzymes

Cells use carbohydrates for energy. True or false.

Answer 3

True

Question 4

Lipids, Proteins, Enzymes

LIPIDS

Answer 4

LIPIDS

Question 5

Lipids, Proteins, Enzymes

Lipid examples …

Answer 5

Steaks, olive oils, butter, cell roots/cells have lipids for their cell membranes.

Question 6

Lipids, Proteins, Enzymes

Lipids are …

Answer 6

Large biomolecules

Question 7

Lipids, Proteins, Enzymes

Lipids are made up of …

Answer 7

carbon, hydrogen, small about of oxygen.

Question 8

Lipids, Proteins, Enzymes

Categories of lipids:

Answer 8

Fat, oils, and steroids

Question 9

Lipids, Proteins, Enzymes

Are lipids true polymers?

Answer 9

No, not train car fashion.

Question 10

Lipids, Proteins, Enzymes

__-___ bonds of fatty acids tails are ____ and ____ (hydrogen carbon chains)

Answer 10

C-h ; no polar; covalent

Question 11

Lipids, Proteins, Enzymes

Lipids uses in cells

Answer 11

1. Energy storage
2. Insulation ( whales )
3. Membranes (fosolipids)
4. Communication ( hormones and steroids)
5. Protection (organs have fat like kidney to protect.

Question 12

Lipids, Proteins, Enzymes

Triglycerides are

Answer 12

Made of 3 fatty acids (3tails),& a glycerol molecule through condensation reaction.

Question 13

Lipids, Proteins, Enzymes

Triglyceride can be___ and ___ .

Answer 13

Saturated and non-saturated

Question 14

Lipids, Proteins, Enzymes

Saturation

Answer 14

Carbon/carbon double bonds in hydrocarbon chains and contain maximum hydrogen. Straight; solid at room temperature.

Question 15

Lipids, Proteins, Enzymes

Unsaturated

Answer 15

have less hydrogen and contain carbon/ carbon double bonds in hydro carbon chains. Kinks;liquid at room temp.

Question 16

Lipids, Proteins, Enzymes

Phospholipids are…

Answer 16

Lipid that cell membranes are composed of…
2tails
Water could be attractive and repel. Phosphates attract rest repel.

Question 17

Lipids, Proteins, Enzymes

Steroids such as

Answer 17

Cholesterol is a precursor to tosterone

Arranged in rings.

Question 18

Lipids, Proteins, Enzymes

PROTEINS

Answer 18

PROTEINS

Question 19

Lipids, Proteins, Enzymes

Proteins need…

Answer 19

Need carbon, hydrogen, oxygen, nitrogen.

Question 20

Lipids, Proteins, Enzymes

AMINO ACIDS

Answer 20

Building blocks bonded together w/ a…

Condensation, hydrolysis, polymer

Question 21

Lipids, Proteins, Enzymes

Form proteins

Answer 21

Peptide bond.

Question 22

Lipids, Proteins, Enzymes

Uses of proteins

Answer 22

1. Communication ( hormones) messenger.
2. Transport (in cell membranes).
3. Structure ( keratin, collagen)
4. Enzymes to speed up reactions.

Question 23

Lipids, Proteins, Enzymes

5&6.

Answer 23

Energy 6. Immune system. ( anti bodies)

DNA- blueprint, protein.

Question 24

Lipids, Proteins, Enzymes

ENZYMES

Answer 24

ENZYMES

Question 25

Lipids, Proteins, Enzymes

Enzymes are…

Answer 25

-protein that changes or used up in the reaction.

Question 26

Lipids, Proteins, Enzymes

Enzymes

Answer 26

Dependent on temp, pH, ionic conditions.
Shape if changed can’t do it’s job.

Ex: oxidation of glucose.(burning = combine w/ no detectable cont

Question 27

Lipids, Proteins, Enzymes

Enzymes

Answer 27

reaction.
Wen zymes: reaction is fast
We “burn” almost 1lbs of glucose everyday to meet basal energy needs. This could be possible w/out enzymes.

Question 28

Lipids, Proteins, Enzymes

Substrate-enzyme substrate complex- products

Answer 28

Glucose+fructose= sucrose (PAC man with two triangles)

Decomposition.