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B24 1-6 Review

Total questions: 65

Worksheet time: 36mins

Name
Class
Date
1.

Which macromolecule is used as our main source of energy?

a)

Lipids/Fats

b)

Nucleic Acids

c)

Proteins

d)

Carbohydrates

2.

Nucleic acids make up which of the two molecules listed below?

a)

FDA

b)

RNA

c)

DNA

d)

FDR

3.

Which macromolecule stores energy?

a)

Carbohydrates

b)

Proteins

c)

Lipids/Fats

d)

Nucleic Acids

4.

This macromolecule contains the instruction to make protein

a)

Lipids/Fats

b)

Nucleic Acids

c)

Protein

d)

Carbohydrates

5.

Which Graph shows that an enzyme works best at a pH of 4?

a)
b)
c)
d)
6.

Which macromolecules has the instructions to make protein?

a)

carbohydrates

b)

protein

c)

nucleic acid

d)

lipid

7.

Enzymes are an example of

a)

Lipids

b)

Carbohydrate

c)

Protein

d)

Nucleic Acid

8.
What 3 letters do enzymes typically end in?
a)
-ose
b)
-ase
c)
-ese
d)
-tic
9.
The graph shows how enzymes affect reactions in cells. Which statement best summarizes the information shown in the graph?
a)
Enzymes increase the energy of the reactants.
b)
Enzymes decrease the energy level of the products.
c)
Enzyme decrease the activation energy of the reaction.
d)
Enzymes reverse the direction of the reaction.
10.

this organelle makes ATP.

a)

chloroplast

b)

mitochondria

c)

ribosome

d)

nucleolus

11.
What only allows certain molecules to enter or leave the cell, and separates the internal metabolic reactions from the external environment? 
a)
Plasma Membrane
b)
Nucleus 
c)
Mitochondria
d)
Ribosomes
12.
What is the name of the genetic material that is inside the nucleus?
a)
ER
b)
ATP
c)
YOLO
d)
DNA
13.

A test was conducted to determine the content of a large molecule. The results showed the presence of simple sugars. What was the large molecule?

a)

Glucose

b)
Lipids
c)
Proteins
d)
Nucleic Acids
14.

Meat tenderizer contains an enzyme that breaks down meat. If meat is coated with tenderizer and then placed in a refrigerator, how would the enzyme be affected?

a)

It would break down the meat more slowly.

b)

It would break down the meat more quickly.

c)

It would change shape.

d)

It would disintegrate.

15.

A student conducts series of test to determine the identity of a molecule. The results show that the molecule can be broken down into amino acids. The molecule can be also be denatured if putting it a high temperature. What is the molecule?

a)

DNA

b)

RNA

c)

Enzyme

d)

Simple sugar

16.
Transports materials throughout the cell.  Acts as an assembly line for proteins.
a)

Golgi Apparatus

b)
vacuole
c)
nucleus
d)
ribosome
17.

DNA in eukaryotic organisms can be found in _______

a)

nucleus

b)

nucleolus

c)

ribosome

d)

choloroplast

18.

DNA in the prokaryotic organisms can be found in ________

a)

cytoplasm

b)

nucleus

c)

ER

d)

Vacoule

19.

Rough ER are found in the cells which are actively synthesizing..

a)

Lipids

b)

Cholesterol

c)

Proteins

d)

Nucleic acids

20.

Endoplasmic reticulum membrane which is associated with ribosomes is called_______

a)

ER lumen

b)

Smooth endoplasmic reticulum

c)

Rough endoplasmic reticulum

d)

Endosome

21.

What organelle is seen at number 3?

a)

nucleus

b)

the rough ER

c)

mitochondria

d)

cell wall

22.

Particle of movement from an area of lower concentration to an area of higher concentration.

a)

Active transport

b)

Passive transport

23.

Particle of movement from an area of higher concentration to an area of lower concentration.

a)

Active transport

b)

Passive transport

24.

Which type of passive transport focuses on the movement of water through the membrane?

a)

Facilitated diffusion

b)

Osmosis

c)

Diffusion

25.

Active transport needs a type membrane protein, so it can move big molecules against the concentration gradient.

a)

protein pump

b)

bulk transport

c)

diffusion

d)

osmosis

26.

In the cell pictured, which way would water move?

a)

Into the cell, causing the cell to swell

b)

Out of the cell, causing the cell to shrink

c)

In and out of the cell equally, keeping the shape the same

27.

In the cell pictured, which way would water move?

a)

Into the cell, causing the cell to swell

b)

Out of the cell, causing the cell to shrink

c)

In and out of the cell equally, keeping the shape the same

28.

What will happen to the cell in this solution?

a)

water will move out of the cell, so cell will shrink

b)

water will move into of the cell, so cell will burst

c)

water will move in and out of the cell

29.
What type of transport is this?
a)
Endocytosis
b)
Facilitated Diffusion
c)

Active Transport

d)
Osmosis
30.

The overall reactions of photosynthesis are …

a)

12 CO2 + 6 H2O → C6H12O6 + 12 O2 + 6 H2O.

b)

C6H12O6 + 6 O2 + 6 H2O → 6 CO2 + 12 H2O.

c)

6 CO2 + 6 H2O + sun energy → C6H12O6 + 6 O2

d)

6 CO2 + 12 H2O → C6H12O6 + 12 O2.

31.

Photosynthesis is ...

a)

The process in which organisms convert/transfer energy from glucose to ATP.

b)

The process in which organisms exchange carbon dioxide and oxygen in their lungs.

c)

The process of taking a picture.

d)

The process of plants converting/transferring solar energy to chemical energy to make their food.

32.

The overall reactions of cell respiration are …

a)

12 CO2 + 6 H2O → C6H12O6 + 12 O2 + 6 H2O.

b)

C6H12O6 + 6 O2 → 6 CO2 + 6H2O + ATP.

c)

6 CO2 + 6 H2O + sun energy → C6H12O6 + 6 O2

d)

6 CO2 + 12 H2O → C6H12O6 + 12 O2.

33.

Using the figure, between which parts of the molecule must the bonds be broken to form an ADP molecule?

a)
A and B
b)
B and C
c)
C and D
d)

All of the above

34.

ADP is converted back to ATP when _______________________.

a)
a phosphate group is added
b)
adenine bonds to ribose
c)
a phosphate group is removed
d)
ATP is exposed to sunlight
35.

A student wants to conduct a photosynthesis experiment on four plants placed on a windowsill. Which of the following variables should be restricted to test the process of photosynthesis with the plants?

a)

The amount of soil each plant receives

b)

The amount of sunlight each plant recieves

c)

The amount of fertilizer each plant receives

d)

The amount of oxygen gas each plant recieves

36.

There is a connection between photosynthesis and cellular respiration. The products from one provide the raw materials for the other. Which of the following products of photosynthesis are the starting material for cellular respiration?

a)

glucose and oxygen

b)

heat energy and ATP

c)

Carbon dioxide and water

d)

Light energy and chlorophyll

37.
After strenuous exercise, a muscle cell would contain decreased amounts of ______ and increased amounts of ______ ____
a)
glucose, ATP
b)
ATP, glucose
c)
oxygen, lactic acid
d)
lactic acid, ATP
38.

If conditions are anaerobic after glycolysis the pyruvic acid with undergo ______?

a)

fermentation

b)

Kreb's cycle

c)

ETC

d)

light reactions

39.

This macromolecule provides chemical energy storage for quick use.

Example: A person eats it the night before running a marathon.

a)
b)
c)
d)
40.

The elements that make up this macromolecule are Carbon, Hydrogen, Oxygen, and Nitrogen (C, H, O, N).

a)

Carbohydrate

(monosaccharide)

b)

Lipid

(fatty acid)

c)

Protein

(amino acid)

d)

Nucleic acid

(nucleotide)

41.
An enzyme speeds up a chemical reaction in the cell but can only be used once.  True or False? 
a)
true
b)
false
42.
What type of transport is this?
a)
Endocytosis
b)
Diffusion
c)
Exocytosis
d)
Osmosis
43.
What type of transport is this?
a)
Endocytosis
b)
Exocytosis
c)
Diffusion
d)
Sodium-Potassium Pump
44.

This image is an example of

a)

diffusion

b)

endocytosis

c)

facilitated diffusion

d)

osmosis

45.

What is the relationship between the plant and the duck?

a)

"A" represents oxygen produced by the duck and "B" represents carbon dioxide produced by the plant

b)

"A" represents carbon dioxide produced by the plant and "B" represents oxygen produced by the duck

c)

"A" represents oxygen produced by the plant and "B" represents carbon dioxide produced by the plant

d)

"A" represents the sunlight received by the plant and "B" represents the oxygen produced by the duck

46.

The shape of the active site ensuring that enzymes usually work with only one kind of substrate.

a)

Enzyme Specificity

b)

Products

c)

Substrate

d)

Enzymes

47.

Cell membranes are described as selectively permeable.

Four students were asked to explain what this means. Which one is correct?

a)

Student 1: Cell membranes prevent all materials from entering the cell.

b)

Student 2: Cell membranes only provide structural support for the cell.

c)

Student 3: Cell membranes regulate which substances can enter and exit the cell.

d)

Student 4: Cell membranes allow water and water-soluble substances to enter the cell.

48.
Which form of active transport is being shown?
a)
Facilitated Diffusion
b)
Exocytosis
c)
Endocytosis
d)
Protein Pumps
49.
What type of transport is this?
a)
Diffusion
b)
Osmosis
c)
Facilitated Diffusion
d)
Active Transport
50.

The water in red blood cells will ____ (Choose 3 correct answers)

a)

be released if they are put in an hypertonic solution because of differences in solute concentrations

b)

be released if they are put in an hypotonic solution because of the differences in solute concentrations

c)

be absorbed if they are put in an isotonic solution because of the differences in solute concentration

d)

be absorbed if they are put in an hypotonic solution because of the differences in solute concentrations.

e)

be going into and out of the cells if they are put in an isotonic solution.

51.

A student is given a dialysis bag filled with starch solution. Dialysis tubing is semipermeable just like a cell membrane. Water can travel across a semipermeable membrane but starch CANNOT. Which model BEST represents the results the student would expect to see if the dialysis bag filled with a starch solution is placed in distilled water for one hour?

a)

Model 1 because the beaker solution is hypertonic, and water would move into
the dialysis bag.

b)

Model 1 because the beaker solution is hypotonic, and water would move into of
the dialysis bag.

c)

Model 2 because the beaker solution is hypertonic, and water would move out
the dialysis bag.

d)

Model 2 because the beaker solution is isotonic, and water would move out of
the dialysis bag.

52.

A student is trying to set up a cell transport lab.

The dialysis tube contains ONLY starch solution, and the water outside of the dialysis tube contains starch indicator (Iodine solution). Dialysis tube works like semi-permeable membrane.

After 20 minutes, the student observes that the inside of the dialysis tube turns black/dark purple. Which statement is correct based on the student's observation?

a)

Water diffused into the dialysis tube because starch molecules were to big to diffuse out. This is an example of diffusion

b)

Water diffused out of the dialysis tube because starch molecules were to big to diffuse in. This is an example of active transport

c)

Water diffused out of the dialysis tube because starch molecules were to big to diffuse out. This is an example of active transport

d)

Water diffused into of the dialysis tube because starch molecules were to big to diffuse out. This is an example active transport.

53.

Which one of the macromolecules are instrumental in the cell membrane?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic acids

54.

Which macromolecule has amino acids as monomers?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic acids

55.

This macromolecules is responsible for providing our genetic material. Choose the macromolecule that best fits.

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic acids

56.

My monomers are glycerol and fatty acids. Which macromolecule am I?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic acids

57.

My monomers are monosaccharides. Which macromolecule am I?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic acids

58.

My monomers consist of a phosphate group, a sugar, and a nitrogenous base. Which macromolecule am I?

a)

Carbohydrate

b)

Lipids

c)

Proteins

d)

Nucleic Acids

59.

Which macromolecule is structured this way?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic acids

60.

Which macromolecule is structured in this way?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic acids

61.
What is the energy needed to start an chemical reaction referred to?
a)
Cascading Energy
b)
Potential Energy 
c)
Kinetic Energy
d)
Activation energy
62.
REVIEW: A scientist analyzing an unknown substance has determined that it consists of carbon, hydrogen and oxygen. During experimentation, she determines that the substance is soluble in oil but not in water. Which of the following macromolecules is the unknown substance most likely to be?
a)
carbohydrate
b)
nucleic acid
c)
lipid
d)
protein
63.
Each enzyme only has 1 substrate that will fit its active site.  What is this called?
a)
reusablility
b)
denaturation
c)
specificity
d)
fragility
64.
What is a substance called if it speeds up a chemical reaction?
a)
reusable
b)
catalyst
c)
specific
d)
fragile
65.
Which of the following conclusions can be drawn from this graph?
a)
The optimum pH of the enzyme is 6.6.
b)
The optimum pH of the enzyme is 5.8
c)
The enzyme’s activity increases as pH increases 5.0 to 9.0
d)
The enzyme’s activity is greater around pH of 8.0 .