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Unit 2 AP Biology

Total questions: 95

Worksheet time: 3615secs

Name
Class
Date
1.

What moves the vesicles to the membrane for exocytosis?

a)

Actin

b)

Dynein

c)

Kinase

d)

Myosin

2.

What provides the path for vesicles moving to membrane?

a)

Intermediate filaments

b)

Microfilaments

c)

Microtubules

d)

Cytosolic Proteins

3.

In carrier proteins, how is it specific for transport?

a)

Active site binds to the solute

b)

Allosteric site binds to the solute

c)

Binding site opens channel

d)

ATP provides needed energy

4.

Passive transport

a)

Does not require input of energy and moves against gradient

b)

Does not require input of energy and moves with gradient

c)

Requires input of energy and moves against gradient

d)

Requires input of energy and moves with gradient

5.

Active transport

a)

Does not require input of energy and moves against gradient

b)

Does not require input of energy and moves with gradient

c)

Requires input of energy and moves against gradient

d)

Requires input of energy and moves with gradient

6.

Facilitated diffusion

a)

Does not use transport proteins and is a type of active transport

b)

Does not use transport proteins and is a type of passive transport

c)

Uses transport proteins and is a type of active transport

d)

Uses transport proteins and is a type of passive transport

7.

Endocytosis

a)

Does not require ATP and allows large particles to enter the cell

b)

Does not require ATP and allows large particles to leave the cell

c)

Requires ATP and allows large particles to enter the cell

d)

Requires ATP and allows large particles to leave the cell

8.

How does Ca2+ move across membrane from high to low?

a)

Active transport

b)

Bulk transport

c)

Facilitated transport

d)

Simple diffusion

9.

How are secreted proteins moved across the membrane?

a)

Active transport

b)

Bulk transport

c)

Facilitated transport

d)

Simple diffusion

10.

How does oxygen enter blood cells in the lungs?

a)

Active transport

b)

Bulk transport

c)

Facilitated transport

d)

Simple diffusion

11.

Which of the following does not have a large surface area?

a)

Endoplasmic reticulum

b)

Golgi Bodies

c)

Lysosome

d)

Mitochondria

12.

What is the function of increase surface area in mitochondria?

a)

More sites for fermentation

b)

More sites for glycolysis

c)

More sites for Krebs cycle

d)

More sites for oxidative phosphorylation

13.

What is the function of the increase in surface area of rough ER?

a)

More sites for ATP synthesis

b)

More sites for digestion

c)

More sites for lipid synthesis

d)

More sites for protein synthesis

14.

What is the function of the increased surface area in Golgi Bodies?

a)

More sites for ATP synthesis

b)

More sites for lysosome formation

c)

More sites for protein modification

d)

More sites for protein synthesis

15.

Which process takes place on the cristae of the mitochondria?

a)

Calvin Cycle

b)

Krebs Cycle

c)

Light Reactions

d)

Oxidative Phosphorylation

16.

Which process takes place on the thylakoid membrane?

a)

Calvin Cycle

b)

Krebs Cycle

c)

Light Reactions

d)

Oxidative Phosphorylation

17.

Which of the following is required for facilitated diffusion?

a)

ATP

b)

Concentration gradient

c)

Glycolipid

d)

Membrane Protein

18.

The transport membrane protein is specific.

a)

True

b)

False

19.

Charged molecules (ions) are

a)

Hydrophilic

b)

Hydrophobic

20.

How does large quantity of water move across a membrane?

a)

Carrier protein

b)

Channel protein

c)

Exocytosis

d)

Simple diffusion

21.

Transport proteins are specific for the material transported

a)

True

b)

False

22.

How many Na+ and K+ are pumped in the Na+/K+ pump?

a)

1 Na+ and 2 K+

b)

2 Na+ and 3 K+

c)

3 Na+ and 2 K+

d)

4 Na+ and 3 K+

23.

Which of the following cells is most efficient?

Note:  SA = surface area   V = volume

a)

SA: 4  V: 1

b)

SA: 3  V: 2

c)

SA: 2  V: 3

d)

SA: 1  V: 4

24.

As surface area is squared, volume is…

a)

Halved

b)

Doubled

c)

Squared

d)

Cubed

25.

As the organism grows, how does it overcome the SA:V requirement?

4 lines
26.

The small intestines is responsible for nutrient absorption in the digestive system. There are folds called microvilli in this organ. What is the function of the microvilli in the small intestines?

4 lines
27.

What is the surface area of a sphere with a radius of 3?

a)

4 pi

b)

16 pi

c)

36 pi

d)

64 pi

28.

What is the volume of a sphere with a radius of 3?

a)

(4/3) pi

b)

(32/3) pi

c)

(108/3) pi

d)

(256/3)pi

29.

What is the surface area of a cube with a side length of 2?

a)

6

b)

24

c)

54

d)

96

30.

What is the volume of a cube with a side length of 2?

A. 1

B. 8

C. 27

D. 64

a)

1

b)

8

c)

27

d)

64

31.

Why is the inner membrane of the mitochondria highly folded?

a)

Increase volume of mitochondria

b)

Increase in surface area for oxidative phosphorylation

c)

Decrease volume of mitochondria

d)

Decrease in surface area for oxidative phosphorylation

32.

How does the increase in surface area affect the volume?

4 lines
33.

How do microvilli increase diffusion?

4 lines
34.

Which cell is more efficient?

a)

Sphere

SA: 36 pi 

V: (108/3)pi 

b)

Cube

SA: 24

V: 8

35.

Passive transport moves substances…

a)

From high to high concentration

b)

From high to low concentration

c)

From low to low concentration

d)

From low to high concentration

36.

Passive transport requires…

a)

Energy input

b)

No energy input

37.

Active transport requires…

a)

Energy

b)

Transport protein

c)

Both energy & transport protein

d)

Neither energy nor transport protein

38.

Process of exporting materials with vesicles?

a)

Endocytosis

b)

Exocytosis

c)

Facilitated Transport

d)

Simple Diffusion

39.

Where are the proteins made for export by exocytosis?

a)

Golgi

b)

Nucleus

c)

Ribosome

d)

Rough ER

40.

Describe the process of receptor-mediated endocytosis

4 lines
41.

What does the product of phagocytosis bind to?

a)

Endoplasmic Reticulum

b)

Lysosome

c)

Nucleus

d)

Mitochondria

42.

Amount of ATP used to move 30 moles of glucose down concentration gradient

a)

0 moles ATP

b)

15 moles ATP

c)

30 moles ATP

d)

60 moles ATP

43.

What type of movement requires no energy, down concentration gradient

a)

Active transport

b)

Passive transport

44.

Move glucose from GI tract into blood supply.

Identify type of transport used.

a)

Active

b)

Facilitated

c)

Simple

45.

Movement of oxygen from alveoli (lungs) into blood supply.

Identify type of transport used.

a)

Active

b)

Facilitated

c)

Simple

46.

Sodium/potassium pump moving 3 Na+ out and 2 K+ into neuron (nervous cell).

Identify type of transport used.

a)

Active

b)

Facilitated

c)

Simple

47.

Secretion of proteins from rough ER is done by

a)

Exocytosis

b)

Facilitated Transport

c)

Simple Diffusion

48.

Pathway to exocytosis

a)

Rough ER → Golgi → Membrane

b)

Rough ER → Lysosome → Membrane

c)

Smooth ER → Golgi → Membrane

d)

Smooth ER → Lysosome → Membrane

49.

Pathway of phagocytosis

a)

Membrane → Golgi → Rough ER

b)

Membrane → Golgi → Smooth ER

c)

Membrane → Lysosome

d)

Membrane → Rough ER

50.

Solution with a higher solute concentration…

a)

Hypertonic

b)

Hypotonic

c)

Isotonic

51.

Solution with a lower solute concentration…

a)

Hypertonic

b)

Hypotonic

c)

Isotonic

52.

Solution with a higher free water concentration…

a)

Hypertonic

b)

Hypotonic

c)

Isotonic

53.

Solution with a lower free water concentration…

a)

Hypertonic

b)

Hypotonic

c)

Isotonic

54.

If the intracellular concentration is 1.0 M and extracellular concentration is 0.4M. Which direction does water flow?

a)

Both in and out (equilibrium)

b)

Into the cell

c)

Out of the cell

55.

What organelle holds the water in plant cells?

a)

Central vacuole

b)

Endoplasmic reticulum

c)

Food vacuole

d)

Golgi bodies

56.

How does ionic compound solute potential compare to a covalent compound?

a)

Higher

b)

Lower

57.

If solution A has -4.0 MPa and solution B has -2.0 MPa, which direction will   water flow?

a)

Out of solution A

b)

Out of solution B

58.

Which organelle helps protist in freshwater?

a)

Central vacuole

b)

Contractile vacuole

c)

Golgi bodies

d)

Nucleus

59.

In a turgid plant cell, which describes pressure potential of cell water

a)

Negative

b)

Positive

60.

Extracellular solution is 0.5M and the cell is 1.0M – which direction will water flow?

a)

Into cell towards hypertonic solution

b)

Into cell towards hypotonic solution

c)

Out of cell toward hypertonic solution

d)

Out of cell toward hypotonic solution

61.

Extracellular solution is 0.5M and the cell is 1.0M – what will happen to the animal cell?

a)

Crenate

b)

Lysis

c)

Plasmolysis

d)

Turgid

62.

What organelle function with plant cell in hypotonic solution?

a)

Contractile vacuole

b)

Central vacuole

c)

Food vacuole

d)

Vesicle

63.

What organelle functions with freshwater protists?

a)

Contractile vacuole

b)

Central vacuole

c)

Food vacuole

d)

Vesicle

64.

If extracellular solution is isotonic, which direction will water move?

a)

Into cell

b)

Out of cell

c)

Both into and out of cell

d)

No water movement

65.

Water moves from

a)

High water potential to low water potential

b)

Low water potential to high water potential

66.

The higher the solute concentration…

a)

the higher the water potential

b)

the lower the water potential

67.

Pressure potential = 0.2 MPa and solute potential = - 0.6 MPa…

a)

Water Potential = -0.8MPa

b)

Water Potential = -0.4 MPa

c)

Water Potential = 0.4 MPa

d)

Water Potential = 0.8 MPa

68.

What is the ionization constant of sucrose?

a)

0

b)

1

c)

24

d)

48

69.

What is the ionization constant of sodium chloride?

a)

0

b)

1

c)

2

d)

3

70.

Which organelle do prokaryotes have?

a)

Endoplasmic reticulum

b)

Lysosome

c)

Nucleus

d)

Ribosomes

71.

Which is larger?

a)

Eukaryotic cells

b)

Prokaryotic cells

72.

Which was engulfed first?

a)

Chemosynthetic prokaryote

b)

Photosynthesis prokaryote

73.

Prokaryotes have regions with specialized structures and functions

a)

True

b)

False

74.

Mitochondria & Chloroplast are theorized to be endosymbionts

a)

True

b)

False

75.

Which was engulfed first…

a)

Chemosynthetic prokaryotes

b)

Photosynthetic prokaryotes

76.
What is the primary function of the light reactions of photosynthesis?
a)
To produce glucose
b)
To produce NADPH and ATP
c)
To use ATP
d)
To produce RuBP
77.
What supplies the electrons that are lost in PS I?
a)
the electrons from PS II
b)
water
c)
glucose
d)
oxygen
78.
What is the function of NADP+?
a)
It absorbs light
b)
It is an electron carrier
c)
It is a light-reflecting pigment
d)
It acts as long-term energy storage
79.
Which of the following molecules is not needed for the Calvin Cycle?
a)
CO2
b)
ATP
c)
NADPH
d)
H2O
80.
Green plants reflect ________ light.
a)
Red
b)
Green
c)
All
d)
Red and Violet
81.
The light reactions occur in the ________ and the dark reactions take place in the ________.
a)
Chloroplast / thylakoid membrane
b)
stroma / thylakoid
c)
mesophyl / stomata
d)
thylakoid membrane / stroma
82.
Where does the carbon come from that is used to form glucose?
a)
The soil
b)
CO2 in the air
c)
From other carbohydrates
d)
Calvin Cycle
83.
Where does the Calvin cycle take place?
a)
stroma of the chloroplast
b)
thylakoid membrane
c)
outer membrane of the chloroplast
d)
interior of the thylakoid membrane
84.
When oxygen is released as a result of photosynthesis, it is a direct by-product of
a)
reducing NADP+
b)
splitting water molecules
c)
chemiosmosis
d)
electron transfer in photosystem II and I
85.
What is the primary function of the Calvin cycle?
a)
regenerate ATP for use in the light reactions of photosynthesis
b)
produce carbon dioxide for use in the light reactions of photosynthesis
c)
produce oxygen by oxidizing water
d)
produce simple sugars from carbon dioxide
86.

How many 6-carbon sugar molecules are produced from every six molecules of carbon dioxide that enter the Calvin cycle?

a)

1

b)

3

c)

6

d)

12

87.

The H+ concentration gradient is formed to

a)

make NADPH

b)

split a water molecule

c)

generate ATP

d)

form water

88.

Rubisco is important in which step of photosynthesis

a)

energizing the electrons in chlorophyll

b)

carbon fixation when CO2 is connected to RUBP during calvin cycle

c)

regeneration phase as RUBP is made during calvin cycle

d)

reduction of the carbon chain during the calvin cycle

89.

If the proton (H+) pump in the thylakoid was not working which molecule could not be made during the light reaction?

a)

NADPH

b)

ATP

c)

Water

d)

Oxygen gas

90.

Which of the following would have the least affect on photosynthetic rate?

a)

increase the temp from 20°C to 30°C

b)

increasing the CO2 from 400 ppm to 600ppm

c)

increasing the light intesity from 40 Watts to 60 Watts

d)

increasing the amount of O2 from 20% to 30% in the air

91.

Plants obtain CO2 into the chloroplast by

a)

active transport

b)

diffusion

c)

facilitated diffusion

d)

endocytosis

92.

ATP is made during the light reaction using all of the following EXCEPT

a)

proton pump

b)

hydrogen ion gradient

c)

electron energy from photosystem II

d)

NADPH donating electrons

93.

During noncyclic photophosphorylation all of the following occur EXCEPT

a)

ATP is made using electron energy that will leave on NADPH

b)

results in oxygen gas being produced

c)

water is split (photolysis)

d)

electrons from photosystem 1 return back to photosystem 1

94.

Predict which of the following plants would have the most oxygen produced in 1 hour?

a)

A plant given red light only

b)

A plant given blue light only

c)

A plant given white light

d)

A plant given green light only

95.

Where does the oxygen produced in the light dependent reactions of photosynthesis come from?

a)

chlorophyll

b)

carbon dioxide

c)

the atmosphere

d)

water

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