Bio 2 Mid-term Exam Rebate (Fall 2014)

25 Questions | By MrMackRH | Updated: Mar 20, 2022 | Attempts: 96

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Bio 2 Mid-term Exam Rebate (Fall 2014) - Quiz

Questions and Answers

1.

Which of the following is a polymer of amino acids?
- A.
  
  Protein
- B.
  
  Carbohydrate
- C.
  
  Lipid
- D.
  
  Nucleic Acid
2.

Which of the following is a structural form of carbohydrate?
- A.
  
  Cellulose
- B.
  
  Starch
- C.
  
  Enzyme
- D.
  
  RNA
3.

The functional group -NH2 is called the ____.
- A.
  
  Amino group
- B.
  
  Acid group
- C.
  
  Hydroxide group
- D.
  
  Fatty acid
4.

How many amino acids are found in humans?
- A.
  
  12
- B.
  
  16
- C.
  
  20
- D.
  
  24
5.

What type of polymer is an enzyme?
- A.
  
  Protein
- B.
  
  Carbohydrate
- C.
  
  Lipid
- D.
  
  Nucleic Acid
6.

This is a diagram of a monomer that is used to build ___.
- A.
  
  Carbohydrates
- B.
  
  Proteins
- C.
  
  Nucleic Acids
- D.
  
  Lipids
7.

Which of the following is not one of the top elements in the body?
- A.
  
  Carbon
- B.
  
  Hydrogen
- C.
  
  Nitrogen
- D.
  
  Calcium
8.

Which of the following is a "4%" element in the body?
- A.
  
  Carbon
- B.
  
  Calcium
- C.
  
  Iron
- D.
  
  Hydrogen
9.

What is the main function of the Krebs cycle?
- A.
  
  Breaking down pyruvate molecules to form molecules of NADH and oxygen
- B.
  
  Forming citric acid to make NADH, water, and carbon dioxide
- C.
  
  Producing molecules that carry high-energy electrons to the electron transport chain
- D.
  
  Bonding coenzyme A to pyruvate
10.

What is the function of oxygen in cellular respiration?
- A.
  
  To deliver hydrogen ions to the electron transport chain
- B.
  
  To pick up electrons at the end of the electron transport chain
- C.
  
  To provide oxygen for the production of carbon dioxide
- D.
  
  To give a source of energy to the Krebs cycle
11.

Which phrase best describes the electron transport chain in photosynthesis?
- A.
  
  A chain of photosynthetic proteins located in the stroma
- B.
  
  A collection of enzymes used to make ADP
- C.
  
  A series of proteins located in the thylakoid membrane
- D.
  
  A group of enzymes that carries energy to the Calvin cycle
12.

Oxygen is used during glycolysis.
- A.
  
  True
- B.
  
  False
13.

In the light-independent reactions of photosynthesis,
- A.
  
  Carbon dioxide enters the Calvin cycle and sugars are made.
- B.
  
  Water is broken down and oxygen is released.
- C.
  
  NADPH is produced and transferred to photosystem I.
- D.
  
  Electrons are energized and used to pump H+ ions.
14.

Where do the hydrogen ions for the photosystems of the light-dependent reactions come from?
- A.
  
  Sugars
- B.
  
  Sunlight
- C.
  
  Acids
- D.
  
  Water
15.

The main light-absorbing molecules found in plant leaves are called
- A.
  
  Chloroplasts
- B.
  
  Thylakoids
- C.
  
  Chlorophyll
- D.
  
  Grana
16.

Which of the following statements best describes the process of photosynthesis?
- A.
  
  Plants use oxygen to make simple sugars.
- B.
  
  Chlorophyll builds sugars in the thylakoid membrane.
- C.
  
  Light breaks down water molecules and releases carbon dioxide.
- D.
  
  Chloroplasts absorb sunlight and store chemical energy.
17.

What are the products of photosynthesis?
- A.
  
  Carbon dioxide and water
- B.
  
  Glucose and oxygen
- C.
  
  Water and glucose
- D.
  
  Carbon dioxide and oxygen
18.

The purpose of the light reactions is to___.
- A.
  
  Make ATP and NADPH for use in the Calvin cycle
- B.
  
  To make oxygen
- C.
  
  To split water
- D.
  
  To make glucose
19.

What is the term for the jelly-like substance that is contained inside the cell membrane?
- A.
  
  Cytoplasm
- B.
  
  Nucleus
- C.
  
  Organelle
- D.
  
  DNA
20.

Some cells live their entire lives without going through mitosis. These cells are said to be in ___.
- A.
  
  G zero
- B.
  
  Purgatory
- C.
  
  Flux
- D.
  
  Stem
21.

Which of the following is a feature found only in animal cells?
- A.
  
  Central vacuole
- B.
  
  Mitochondria
- C.
  
  Nucleus
- D.
  
  Centriole
22.

Where does glycolysis take place?
- A.
  
  Cytoplasm
- B.
  
  Mitochondrial matrix
- C.
  
  Mitochondrial inner membrane
- D.
  
  Chloroplast
23.

Which phrase best describes the main role of fermentation?
- A.
  
  Converts glucose into pyruvate and NADH.
- B.
  
  Produces lactic acid to counteract an oxygen deficit.
- C.
  
  Allows glycolysis to continue making a small amount of ATP.
- D.
  
  Allowing anaerobic production of ADP.
24.

Which phrase about fermentation is correct?
- A.
  
  Takes place without oxygen
- B.
  
  Uses electron transport chain
- C.
  
  Only occurs in bacteria
- D.
  
  Is an anaerobic process
25.

Which end product of fermentation causes the burning feeling in muscles that are working hard?
- A.
  
  Carbon dioxide
- B.
  
  Pyruvate
- C.
  
  Alcohol
- D.
  
  Lactic acid