Exam 1

Question 1

What are the four macromolecules

Answer 1

lipids proteins carbohydrates and nucleic acids

Question 2

How many carbon atoms are in a monosaccaride

Answer 2

5 or 6

Question 3

What is an example of a monosaccharide

Answer 3

glucose

Question 4

What are three examples of disaccharides

Answer 4

sucrose, maltose, and lactose

Question 5

What are 3 examples of polysaccharides

Answer 5

starch, cellulose, and glycogen

Question 6

What are the functions of carbohydrates? What carbs fit into each function

Answer 6

• Energy storage: glucose, starch, glycogen

- Structure: cellulose, chitin, and glycosaminoglycans

Question 7

Lipids are hydrophilic or hydrophobic

Answer 7

hydrophobic

Question 8

Lipids are made out of a (Glycerol or Glycogen) head, and (3 or 6) fatty acid tails?

Answer 8

glycerol, 3

Question 9

Phospholipids have (1 or 2) fatty acid tails and a (phosphate or fluoride) group

Answer 9

2,phosphate

Question 10

Amphipathic molecules have a (polar or nonpolar) head and a (polar or nonpolar) tail

Answer 10

polar,nonpolar

Question 11

Lipid functions

Answer 11

energy storage, insulation, hormones, and water repellancy

Question 12

Functional groups

Answer 12

groups of atoms with special chemical features and properties

Question 13

Fats are also called

Answer 13

triglycerides(3 fatty acids)

Question 14

Categories of carbs

Answer 14

monosaccharide, disaccharide, oligosaccharide, polysaccharide

Question 15

deductive reasoning

Answer 15

general to specific

Question 16

inductive reasoning

Answer 16

specific to general

Question 17

pH

Answer 17

measure of hydrogen ion concentration

Question 18

acids

Answer 18

dissolve in water and release hydrogen ions

Question 19

bases

Answer 19

dissolve in water and release hydroxide ions and pick up hydrogen

Question 20

Malthus

Answer 20

survival of the fitest

Question 21

Darwin

Answer 21

evolution and natural selection

Question 22

Amino acids

Answer 22

R(side chain), amino group, carboxyl group, and hydrogen

Question 23

Characteristics of living things

Answer 23

1) Ability to reproduce
2) evolution
3) energy use metabolism
4) growth and development
5) homeostasis
6) adapt to changes in enviornment
7) maintain internal order

Question 24

Lamarck

Answer 24

giraffes one inherits and acquired skill

Question 25

Tertiary structure

Answer 25

folding gives complex shape 3D

Question 26

Secondary structure

Answer 26

folding in repeating patterns

Question 27

a helix

Answer 27

right handed coil R groups point away from backbone

Question 28

What are three examples of steroids

Answer 28

cholesterol, estrogen, and testosterone

Question 29

covalent bond

Answer 29

strong bonds can share 1, 2, or 3 electrons

Question 30

hydrogen bonds

Answer 30

don't share electrons, weak

Question 31

nonpolar bond

Answer 31

similar electronegativity equal electron sharing

Question 32

polar covalent

Answer 32

don't share equally share with different electronegativity

Question 33

ionic bonds

Answer 33

complete transfer of electrons, ion is formed when an atom gains or loses electrons