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What do you know about the energy molecule? What is the difference between autotrophs and heterotrophs?

Questions and Answers

1.

Cells store small amounts of energy in the form of:
- A.
  
  DNA
- B.
  
  NADP+
- C.
  
  ATP
- D.
  
  ADP
Correct Answer
C. ATP

Explanation
ATP is the energy molecule of the cell.

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2.

Humans and cats eat meat and other substances. These organisms are classified as:
- A.
  
  Autotrophs
- B.
  
  Heterotrophs
- C.
  
  Decomposers
- D.
  
  Denitrifying organisms
Correct Answer
B. Heterotrophs

Explanation
Any organism that cannot make their own food are classified as heterotrophs

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3.

Choose ALL that apply. Which of the following are autotrophs?
- A.
  
  Plants
- B.
  
  Green algae
- C.
  
  Mushrooms
- D.
  
  Animals
Correct Answer(s)
A. Plants
B. Green algae

Explanation
Mushrooms are NOT green. Mushrooms are heterotrophs. Plants and green algae are both autotrophs.

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1
1
4.

Which part is ribose
- A.
  
  A
- B.
  
  B
- C.
  
  C
- D.
  
  D
Correct Answer
C. C
5.

Which part is represented by adenine?
- A.
  
  A
- B.
  
  B
- C.
  
  C
- D.
  
  D
Correct Answer
B. B
6.

Which part is a 5 carbon monosaccharide?
- A.
  
  A
- B.
  
  B
- C.
  
  C
- D.
  
  D
Correct Answer
C. C
7.

Which bond is broken when ATP releases energy and forms ADP?
- A.
  
  D
- B.
  
  E
Correct Answer
A. D
8.

Which structure (or structures) represent Adenosine?
- A.
  
  Structure B, only
- B.
  
  Structure C, only
- C.
  
  Structure A, only
- D.
  
  Structure B and C
- E.
  
  Structure A and C
- F.
  
  Structures A, B and C
Correct Answer
D. Structure B and C

Explanation
Adenosine is Adenine and Ribose (ADENine ribOSe)

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9.

Which organelle is responsible for making energy?
- A.
  
  Ribosomes
- B.
  
  Mitochondria
- C.
  
  Endoplasmic reticulum
- D.
  
  Nucleus
Correct Answer
B. Mitochondria
10.

Choose ALL that apply. Which of the following require energy?
- A.
  
  Sleeping
- B.
  
  Movement
- C.
  
  Reproduction
- D.
  
  Maintenance of temperature control
Correct Answer(s)
A. Sleeping
B. Movement
C. Reproduction
D. Maintenance of temperature control
11.

Choose ALL that apply. Which of the following transports would not be possible if the cell did NOT have ATP?
- A.
  
  Diffusion
- B.
  
  Facilitated diffusion
- C.
  
  Active transport
- D.
  
  Sodium/Potassium pump
Correct Answer(s)
C. Active transport
D. Sodium/Potassium pump

Explanation
Both active transport and the pump require energy.
Diffusion, facilitated diffusion and osmosis/aquaporin are from High to Low concentration and do NOT require energy.

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