2.4 Carbohydrates and Lipids

Question 1

Organic molecules contain

Answer 1

Carbon and Hydrogen covalently bonded to form hydrocarbons

Question 2

How many covalent bonds can carbon form?

Answer 2

Four

Question 3

Polymer categories

Answer 3

• Complex carbohydrates
• Lipids
• Proteins
• Nucleic acids

Question 4

Monomer

Answer 4

• Simple sugars
• Fatty Acids
• Amino acids
• Nucleotides

Question 5

How many amino acids comprise the human body?

Answer 5

20

Question 6

Carbohydrates ratio

Answer 6

C,H,O in 1:2:1 ratio

Question 7

Simple sugars aka

Answer 7

Monosaccharides

Question 8

Disaccharides

Answer 8

Two covalently bonded monosaccharides
(Ex sucrose)

Question 9

Complex carbs aka

Answer 9

Polysaccharides

Question 10

Polysaccharide main categories

Answer 10

Animals:
- Glycogen
Plants:
- Starch (Amylose & Amylopectin)
- Cellulose

Question 11

We cannot digest

Answer 11

Cellulose (ex. Wood)

Question 12

Cellulose contains

Answer 12

Alternating beta-glycosidic bonds

Question 13

Lipid aka

Answer 13

Triglyceride

Question 14

Saturated fat

Answer 14

Every carbon saturated with hydrogens

Question 15

Monounsaturated fats

Answer 15

One carbon double bond in the chain

Question 16

Polyunsaturated fat

Answer 16

Multiple double bonds (kinks) in the chain

Question 17

Animal fats tend to be

Answer 17

Saturated (solid at room temp)

Question 18

Unsaturated fats are

Answer 18

Plant fats, often liquid at room temp

Question 19

Phospholipids

Answer 19

Glycerol molecule and Two fatty acid tails (diglycerides). A polar head group.

Question 20

Hydrophilic aka

Answer 20

Polar

Question 21

Hydrophobic aka

Answer 21

Non polar