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BIO 156 Exam 3 Review

Total questions: 55

Worksheet time: 29mins

Name
Class
Date
1.
Production of ATP occurs in all of the following processes EXCEPT
a)
glycolysis
b)
Krebs cycle
c)
light independent reactions of photosynthesis
d)

light dependent reactions of photosynthesis

2.
Which of the following occurs in both fermentation and aerobic cellular respiration
a)
oxygen and carbon dioxide are consumed
b)
FAD is reduced, driving ATP synthesis
c)
ATP is synthesized from ADP and inorganic phosphate
d)
proton gradients are produced across membranes
3.

Diffusion with the help of transport proteins is called

a)

phagocytosis

b)

Na-K Pump

c)

Facilitated Diffusion

d)

Active Transport

4.

Enables cell to engulf bulk quantities of specific large molecules is called

a)

pinocytosis

b)

phagocytosis

c)

receptor-mediated endocytosis

d)

exocytosis

5.

Movement of molecules "up" or "against" the concentration gradient (meaning low to high) is called

a)

passive transport

b)

active transport

c)

diffusion

d)

facilitated diffusion

6.

Movement of any particle "down" or "with" the concentration gradient is called

a)

diffusion

b)

endocytosis

c)

exocytosis

d)

active transport

7.

Type of transport that requires ATP is called

a)

passive transport

b)

active transport

8.

Aquaporins are involved in which type of transport?

a)

active transport

b)

facilitated diffusion

c)

phagocytosis

d)

simple diffusion

9.

Diffusion of water across a semi-permeable membrane is known as

a)

diffusion

b)

osmosis

c)

active transport

d)

endocytosis

10.

What happens to a cell when exposed to a hypertonic solution?

a)

shrivels

b)

swells

c)

stays the same

11.

What happens to a cell in an isotonic solution?

a)

shrivels

b)

swells

c)

stays the same

12.

Plant cells are happy when they are turgid, which solution would maintain a plant's turgidity?

a)

hypotonic solution

b)

hypertonic solution

c)

isotonic solution

13.

What happens to a single-celled organism placed in a drop of pure water?

a)

shrivels

b)

swells

c)

stays the same

14.

Which type of solution would cause a plant cell to be flaccid, not plasmolyze, but flaccid?

a)

hypotonic

b)

hypertonic

c)

isotonic

15.

The main component of cell membranes are

a)

proteins

b)

phospholipids

c)

cholesterol

d)

carbohydrate tags

16.

When you are sick and your white blood cells engulf the foreign bacteria, how would this occur?

a)

By diffusion

b)

By phagocytosis

c)

By pinocytosis

d)

By facilitated diffusion

17.

Which structure or substance, associated with the cell membrane, helps to keep the cell membrane fluid and flexible?

a)

Glycocalyx

b)

Phospholipids

c)

Cholesterol

d)

Proteins

18.

Which part of the cell membrane is hydrophobic?

a)

the lipid heads

b)

the phosphate tails

c)

the lipid tails

d)

the phosphate heads

19.

In a glass of salt water, salt is the ___.

a)

Solvent

b)

Solute

c)

Solution

20.

The sodium-potassium pump is an example of ___.

a)

Vesicular transport

b)

Simple diffusion

c)

Facilitated diffusion

d)

Primary active transport

21.

Which structure, associated with the cell membrane, would be most important to immune cells patrolling the body for foreign invaders?

a)

Glycocalyx

b)

Phospholipid bilayer

c)

Proteins

d)

Cholesterol

22.

Which of the following is NOT a term associated with the cell membrane?

a)

Phospholipid bilayer

b)

Fluid mosaic

c)

Selectively permeable

d)

Denaturation

23.

Which of the following best describes osmosis?

a)

The movement of water from areas of low solute concentration to areas of high solute concentration.

b)

The movement of solutes from areas of high water concentration to areas of low water concentration

c)

The movement of water from areas of high solute concentration to areas of low solute concentration

d)

The movement of solutes from areas of low water concentration to areas of high water concentration

24.

Facilitated diffusion transports materials against/up their concentration gradient.

a)

True

b)

False

25.

Which of the following substances needs a transport protein to cross the cell membrane? Mark all that apply.

a)

gasses (i.e. oxygen and carbon dioxide)

b)

ions (i.e. Na+, K+)

c)

hydrophobic, lipid-soluble, non-polar molecules

d)

large molecules (i.e. glucose)

e)

hydrophilic, water-soluble, polar molecules

26.

Which of the following transport types require ATP to occur? Mark all that apply.

a)

Facilitated diffusion

b)

Endocytosis

c)

osmosis

d)

Primary active transport

e)

Simple diffusion

27.

Which type of intercellular junction allows cells to communicate by sharing cytosol?

a)

Gap junctions

b)

Tight junctions

c)

Desmosomes

28.

Chemiosmosis occurs during which process?

a)

oxidation of pyruvate

b)

electron transport chain

c)

substrate-level phosphorylation

d)

oxidative phosphorylation

29.

Glycolysis is an anaerobic process.

a)

True

b)

False

30.

Which of the following is a monosaccharide?

a)

sucrose

b)

lactose

c)

glucose

d)

maltose

31.

Pyruvate is produced during which process?

a)

oxidation of pyruvate

b)

citric acid cycle

c)

chemiosmosis

d)

glycolysis

32.

Glucose is broken down during which process?

a)

glycolysis

b)

citric acid cycle

c)

oxidative phosphorylation

d)

oxidation of pyruvate

33.

When NADH is oxidized, it ___.

a)

loses electrons

b)

turns into pyruvate

c)

turns into acetyl CoA

d)

gains electrons

34.

Where does glycolysis occur?

a)

nucleus

b)

mitochondrion

c)

ribosome

d)

cytosol

35.

Which of the following is produced during fermentation in humans?

a)

ethanol

b)

carbon dioxide

c)

oxygen

d)

lactic acid

36.

The energy stored in chemical bonds is a type of ___.

a)

kinetic energy

b)

potential energy

c)

chemical energy

d)

mechanical energy

37.

If you were conducting an experiment testing the effect of pH on the reaction rate of fermentation in yeast, what is your independent variable?

a)

reaction rate

b)

yeast

c)

pH

d)

temperature

38.

Glucose is the only molecule humans can make ATP from.

a)

True

b)

False

39.

Which of the following is produced during fermentation in yeast?

a)

lactic acid

b)

oxygen

c)

salt

d)

ethanol

40.

What organelle is needed for aerobic respiration to occur?

a)

endoplasmic reticulum

b)

mitochondria

c)

nucleus

d)

ribosomes

41.

Which strands of DNA are copied during DNA synthesis/replication?

a)

the leading strand and the lagging strand

b)

the leading strand only

c)

neither the leading strand nor the lagging strand

d)

the lagging strand only

42.

Which enzyme adds DNA nucleotides during DNA replication?

a)

polymerase

b)

ligase

c)

primase

d)

helicase

43.

Based on the gel electrophoresis in the picture above, which man is the father of the kid?

a)

man #2

b)

neither man could be the kid's father

c)

man #1

d)

either man could by the kid's father

44.

Which of the following statements is correct?

a)

thymine can bond with both adenine and uracil

b)

pyrimidines always pair with pyrimidines

c)

guanine always bonds with cytosine

d)

adenine can bond with both cytosine and adenine

45.

The 5' and 3' ends of a DNA strand are due to the arrangement of carbon atoms in which molecule?

a)

phosphate

b)

deoxyribose

c)

nitrogenous base

d)

DNA polymerase

46.

Which of the following best illustrates semi-conservative DNA replication?

a)

A

b)

B

c)

C

d)

D

47.

Which enzyme adds RNA nucleotides to the DNA strand during DNA replication?

a)

helicase

b)

ligase

c)

polymerase

d)

primase

48.

All mutations have negative effects on an individual.

a)

True

b)

False

49.

Where does DNA replication occur?

a)

rough endoplasmic reticulum

b)

cytoplasm

c)

nucleus

d)

ribosomes

50.

Which of the following best describes why Okazaki fragments exist:

a)

because the DNA strands in a double helix are anti-parallel and polymerase travels in only one direction.

b)

because there are sister chromatids

c)

because there are homologous chromosomes

d)

because the DNA strands in a double helix are semi-conservative

51.

Which of the following nucleotides are purines? Select all that apply.

a)

guanine

b)

adenine

c)

thymine

d)

cytosine

52.

Which of the following nucleotides are pyrimidines? Select all that apply.

a)

guanine

b)

adenine

c)

thymine

d)

cytosine

e)

uracil

53.

The ratio of LDL to HDL is considered when comparing the "good" and "bad" forms of what molecule?

a)

triglycerides

b)

glucose

c)

cholesterol

d)

glycogen

54.

Which molecule is used as an immediate energy source for all tissues and is the primary source of energy for the brain?

a)

glycogen

b)

proteins

c)

triglycerides

d)

glucose

55.

Glucose molecules are stored in animal tissues as a complex carbohydrate (polysaccharide), known as ___.

a)

glycogen

b)

triglycerides

c)

starch

d)

polypeptides