WEEK 1

Question 1

a man claims he’s 60kg how much of him is fluid?

a) 60L
b) 24L
c) 36kg
d) 36L
e) 12L

Answer 1

d

Question 2

the disaccharide lactose if formed by what 2 monosaccharides?

Answer 2

glucose and galactose

Question 3

an amino acid is joined a another amino acid by a _____ bond

Answer 3

peptide

Question 4

Define the term “element” and specify the name and symbol for the 4 most common

Question 5

define the term “atom” and describe the structure of an atom

Question 6

what feature of fatty acids make them hydrophilic?

Answer 6

fatty acids consist of non-polar hydrocarbon chains

Question 7

T/F: a glycosidic bond joins glucose and maltose forming sucrose

Answer 7

F

Question 8

glucose and galactose are hexose sugars

Question 9

identify 3 polysacchrides and give their functions

Question 10

describe differences between unsaturated and saturated fatty acids.

Question 11

what causes the unusually high boiling point of water

Answer 11

the presence of hydrogen bonds

Question 12

a molecule with the chemical formula C24 H48 O24 is a:

Answer 12

polysaccharide

Question 13

a phospholipid is composed of:

Answer 13

one glycerol molecule linked to one phosphate group and 2 fatty acids

Question 14

4 most common elements in the body are:

Answer 14

CHON

Question 15

Johnny is a man who weighs 75kg.
1) determine his total body fluid
2)determine how much of his fluid is intracellular

Answer 15

1) 75 x 0.60 = 45 L of fluid
2) 45 x 0.66 = 30 L of fluid

Question 16

describe the structure of a water molecule and why it its polar. What types of interactions could occur?

Question 17

Define the term “hydrogen bond” and describe the characteristics of water from its ability to form hydrogen bonds

Question 18

Define the term “carbohydrate”. Cleary distinguish mono, di, and poly saccharides and give examples