Bio 2 Mid-term Exam Rebate (Fall 2014)
- 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 ___. - ProProfs]( "This is a diagram of a monomer that is used to build ___.")
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
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