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Final Exam Review

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.
1. The graph below shows the function of amylase (a salivary enzyme) in different pH conditions. Which of the following statements is NOT true about this graph?
a)
At a pH less than 3 amylase becomes denatured and no longer functions
b)
The optimum pH of amylase is where it has the highest reaction rate
c)
At a pH of more than 11 amylase becomes denatured and no longer functions
d)
The substrate concentration decreases as pH increases
2.
2. Which of the following is NOT true about enzyme-catalyzed reactions?
a)
They have a higher activation energy than uncatalyzed chemical reactions
b)
The substrates are turned into products by enzymes
c)
The enzymes become denatured outside of their optimum temperature and pH conditions
d)
The substrate concentration decreases, but the enzyme concentration stays constant
3.
3. Predict why plants cells have a larger volume than human skin cells.
a)
Plant cells have an enlarged vacuole which stores water.
b)
Only plant cells contain mitochondria, which increase their volume.
c)
Human skin cells have an enlarged vacuole which stores water.
d)
Human skin cells lack chloroplasts, which produce glucose.
4.
4. Which of the following is NOT true about photosynthesis?
a)
There is a net loss of chemical potential energy
b)
The equation is: sunlight + carbon dioxide -> oxygen + glucose
c)
It occurs within the chloroplast of plant cells
d)
Green light produces the lowest rate of photosynthesis
5.
5. Which of the following statements is NOT true about glucose?
a)
It is the output of photosynthesis and the input of cellular respiration
b)
It is made out of carbon, hydrogen, and nitrogen atoms
c)
It is a carbohydrate monomer (monosaccharide)
d)
It is broken down to form other molecules during cellular respiration
6.
6. Which organelle breaks down glucose in the presence of oxygen?
a)
Chloroplast
b)
Mitochondria
c)
Nucleus
d)
Vacuole
7.
7. Which of the following is NOT true about cellular respiration?
a)
The inputs are glucose + oxygen
b)
The outputs are ATP + carbon dioxide
c)
The outputs of cellular respiration are used as the inputs of photosynthesis
d)
Energy is transferred from oxygen molecules to ATP molecules
8.
8. What do viruses, prokaryotes, and eukaryotes all have in common?
a)
Genetic material (DNA)
b)
Nucleus
c)
Mitochondria
d)
Enlarged Vacuoles and Chloroplasts
9.

9. Scientists observe an unknown antigen with the following characteristics: contains DNA; NO nucleus; requires a host cell to reproduce. How should scientists classify this unknown antigen?

a)

Virus

b)

Prokaryote

c)

Eukaryote (Plant Cell)

d)

Eukaryote (Animal Cell)

10.

10. Select all types of transport below that DO NOT require ATP:

a)

Diffusion

b)

Osmosis

c)

Facilitated Diffusion

d)

Active Transport

11.
11. Based on the data table, which cell would be MOST efficient at maintaining homeostasis?
a)
Plant Cell in Freshwater
b)
Plant Cell in Saltwater
c)
Skin Cell in Freshwater
d)
Skin Cell in Saltwater
12.
12. The graph below shows how the concentration of molecules changes during an enzyme-catalyzed chemical reaction. Which of the following is NOT true about this graph?
a)
The concentration of the enzyme (E) decreases during the reaction
b)
The concentration of the substrate (S) decreases during the reaction
c)
The concentration of the product (P) increases during the reaction
d)
The concentration of the (E) has no net change during the reaction
13.
13. Describe one way to reduce the amount of carbon dioxide in the atmosphere.
a)
Plant more trees to increase the rate of photosynthesis
b)
Remove trees to decrease the rate of cellular respiration
c)
Remove regulations on carbon dioxide emissions in vehicles
d)
Protect wildlife populations to increase the rate of cellular respiration
14.
14. Which of the following correctly describes the role of enzymes in biological systems?
a)
Enzymes speed up chemical reactions by lowering the activation energy of a chemical reaction
b)
Enzymes speed up chemical reactions by increasing the activation energy of a chemical reaction
c)
Enzymes catalyze chemical reactions by breaking apart a substrate to turn it into a product
d)
Enzymes catalyze chemical reactions by removing the activation energy of a chemical reaction
15.
15. Which of the following is NOT true about photosynthesis and cellular respiration?
a)
The oxygen and carbon atoms are either created or destroyed depending on the process
b)
The outputs of one process act as the inputs of the other process
c)
Only producers (like plants) do photosynthesis, while heterotrophs and autotrophs do cellular respiration
d)
The atoms are being recycled and turned into new molecules during these processes
16.

The temperature at which an enzyme is MOST active is...

a)

Optimum temperature

b)

Denature

c)

Substrate

d)

Activation Energy

17.

When a protein loses its structure and function because it is outside of its optimum conditions...

a)

Activation Energy

b)

Denature

c)

Substrate

d)

Optimum Temperature

18.

An organelle found in plant cells where photosynthesis occurs...

a)

Vacuole

b)

Cell Wall

c)

Chloroplast

d)

Mitochondria

19.

An organelle in plant AND animal cells where cellular respiration occurs...

a)

Chloroplast

b)

Mitochondria

c)

Nucleus

d)

Cell Membrane

20.

Small openings on the underside of a leaf through which oxygen and carbon dioxide diffuse...

a)

Vacuole

b)

Stomata

c)

Cell Wall

d)

Chloroplast

21.

A type of cell with NO nucleus (example: bacteria)...

a)

Virus

b)

Eukaryote (Plant)

c)

Eukaryote (Animal)

d)

Prokaryote

22.

An abiotic parasite that requires host cells to reproduce...

a)

Virus

b)

Eukaryote (Plant)

c)

Eukaryote (Animal)

d)

Prokaryote

23.

Sunlight + Carbon Dioxide -> Oxygen + Glucose

a)

Cellular Respiration

b)

Photosynthesis

24.

Glucose + Oxygen -> Carbon Dioxide + ATP

a)

Cellular Respiration

b)

Photosynthesis

25.

The first step of photosynthesis; water molecules are split using energy from sunlight. ATP + NADPH are produced.

a)

Light-Dependent Reactions

b)

Dark Reactions (Calvin Cycle)

c)

Electron Transport Chain

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