Question 1

The light-dependent reactions of photosynthesis trap solar energy and ________.

Accepted Answer

A)  convert it to glucose 
B)  convert it to RuDP 
C)  converts it to ATP and NADPH 
D)  fixes CO2 
A)  convert it to glucose 
B)  convert it to RuDP 
C)  converts it to ATP and NADPH 
D)  fixes CO2

Question 2

Which of the following are activated, high energy carriers in cellular processes?

Accepted Answer

A)  NAD+ and FAD 
B)  NADH and FADH2 
C)  NAD+ and FADH2 
D)  NADH and FAD 
A)  NAD+ and FAD 
B)  NADH and FADH2 
C)  NAD+ and FADH2 
D)  NADH and FAD

Question 3

Chemoheterotrophs use organic compounds as their primary carbon source and same compounds as their energy resource. This group includes ________. (Select all that apply)

Accepted Answer

A)  humans and other animals 
B)  fungi 
C)  most protozoa 
D)  most bacteria 
A)  humans and other animals 
B)  fungi 
C)  most protozoa 
D)  most bacteria

Question 4

Aerobic cellular respiration consists of three pathways. The correct order of these pathways is ________.

Accepted Answer

A)  glycolysis/citric acid cycle/electron transport system 
B)  glycolysis/fermentation/electron transport system 
C)  glycolysis/fermentation/citric acid cycle 
D)  glycolysis/electron transport system/citric acid cycle 
A)  glycolysis/citric acid cycle/electron transport system 
B)  glycolysis/fermentation/electron transport system 
C)  glycolysis/fermentation/citric acid cycle 
D)  glycolysis/electron transport system/citric acid cycle

Question 5

The reaction center pigment that initiates the light reactions of photosynthesis is ________.

Accepted Answer

A)  chlorophyll a 
B)  chlorophyll b 
C)  carotenoids 
D)  phycobolins 
A)  chlorophyll a 
B)  chlorophyll b 
C)  carotenoids 
D)  phycobolins

Question 6

Lactobacillus produces ________ as the end product of fermentation.

Accepted Answer

A)  pyruvate 
B)  ethanol 
C)  carbon dioxide 
D)  lactic acid. 
A)  pyruvate 
B)  ethanol 
C)  carbon dioxide 
D)  lactic acid.

Question 7

Glycolysis uses ________.

Accepted Answer

A)  one 6-carbon glucose, two ATP, two NAD+ 
B)  one 6-carbon glucose, two ATP, two NADH 
C)  one 6-carbon glucose, four ATP, two NAD+ 
D)  one 6-carbon glucose, four ATP, four NAD+ 
A)  one 6-carbon glucose, two ATP, two NAD+ 
B)  one 6-carbon glucose, two ATP, two NADH 
C)  one 6-carbon glucose, four ATP, two NAD+ 
D)  one 6-carbon glucose, four ATP, four NAD+

Question 8

The yeast, Saccharomyces, produces ________ as the organic end product of fermentation.

Accepted Answer

A)  pyruvate 
B)  ethanol 
C)  carbon dioxide 
D)  lactic acid 
A)  pyruvate 
B)  ethanol 
C)  carbon dioxide 
D)  lactic acid

Question 9

The synthesis of ATP from the breakdown of glucose is an example of an ________ reaction. (Select all that apply)

Accepted Answer

A)  endergonic 
B)  exergonic reaction 
C)  catabolism 
D)  anabolism 
A)  endergonic 
B)  exergonic reaction 
C)  catabolism 
D)  anabolism

Question 10

Which process probably evolved first on the ancient Planet Earth - photosynthesis or cellular respiration?

Accepted Answer

A)  Photosynthesis because it provided atmospheric oxygen that facilitated evolution of aerobic organisms. 
B)  Cellular respiration because carbon dioxide from citric acid cycle provided source of carbon fixation for photosynthesis. 
C)  Photosynthesis because there was plenty of light and CO2 in the atmosphere for carbon fixation but no organic molecules to use as carbon and energy sources. 
D)  Cellular respiration because it is the universal metabolic pathway. 
A)  Photosynthesis because it provided atmospheric oxygen that facilitated evolution of aerobic organisms. 
B)  Cellular respiration because carbon dioxide from citric acid cycle provided source of carbon fixation for photosynthesis. 
C)  Photosynthesis because there was plenty of light and CO2 in the atmosphere for carbon fixation but no organic molecules to use as carbon and energy sources. 
D)  Cellular respiration because it is the universal metabolic pathway.

Question 11

________ is an example of a set of exergonic reactions.

Accepted Answer

A)  E. coli breaking down glucose 
B)  E. coli replicating its chromosome and dividing into two cells 
C)  E. coli producing proteins from amino acids 
D)  E. coli rotating its flagella in order to move through its environment 
A)  E. coli breaking down glucose 
B)  E. coli replicating its chromosome and dividing into two cells 
C)  E. coli producing proteins from amino acids 
D)  E. coli rotating its flagella in order to move through its environment

Question 12

________ is an example of a set of endergonic reactions. (Select all that apply)

Accepted Answer

A)  E. coli breaking down glucose 
B)  E. coli replicating its chromosome and dividing into two cells 
C)  E. coli producing proteins from amino acids 
D)  E. coli rotating its flagella in order to move through its environment 
A)  E. coli breaking down glucose 
B)  E. coli replicating its chromosome and dividing into two cells 
C)  E. coli producing proteins from amino acids 
D)  E. coli rotating its flagella in order to move through its environment

Question 13

Anabolism is a set of ________ reactions that ________.

Accepted Answer

A)  endergonic; results in the breakdown of a large macromolecule into smaller subunits 
B)  endergonic; results in the synthesis of a large macromolecule from smaller subunits 
C)  exergonic; results in the breakdown of a large macromolecule into smaller subunits 
D)  exergonic; results in the synthesis of a large macromolecule from smaller subunits 
A)  endergonic; results in the breakdown of a large macromolecule into smaller subunits 
B)  endergonic; results in the synthesis of a large macromolecule from smaller subunits 
C)  exergonic; results in the breakdown of a large macromolecule into smaller subunits 
D)  exergonic; results in the synthesis of a large macromolecule from smaller subunits

Question 14

The CO2 gas that we exhale from our lungs is produced during ________. (Select all that apply)

Accepted Answer

A)  glycolysis 
B)  pyruvate oxidation 
C)  citric acid cycle 
D)  oxidative phosphorylation 
A)  glycolysis 
B)  pyruvate oxidation 
C)  citric acid cycle 
D)  oxidative phosphorylation

Question 15

What organic compound is produced at the end of glycolysis? (Select all that apply)

Accepted Answer

A)  Lactic acid 
B)  Ethanol 
C)  Carbon dioxide 
D)  Pyruvate 
A)  Lactic acid 
B)  Ethanol 
C)  Carbon dioxide 
D)  Pyruvate

Question 16

When a series of redox reactions are initiated by the absorption of light energy this results in the ________ of ATP.

Accepted Answer

A)  substrate-level phosphorylation 
B)  oxidative phosphorylation 
C)  photophosphorylation 
D)  simple phosphorylation 
A)  substrate-level phosphorylation 
B)  oxidative phosphorylation 
C)  photophosphorylation 
D)  simple phosphorylation

Question 17

Pyruvate oxidation and the citric acid cycle occur ________ of a bacterial cell.

Accepted Answer

A)  in the cytoplasm 
B)  in the cell membrane 
C)  in the cell wall 
D)  in the mitochondria 
A)  in the cytoplasm 
B)  in the cell membrane 
C)  in the cell wall 
D)  in the mitochondria

Question 18

Where may chemiosmosis occur in a cell? (Select all that apply)

Accepted Answer

A)  Cristae of mitochondria in Eukaryote cells. 
B)  Thylakoid membrane of chloroplasts in photosynthetic Eukaryotes. 
C)  Cell membranes of aerobic bacteria. 
D)  Cytoplasm of fermentative bacteria. 
A)  Cristae of mitochondria in Eukaryote cells. 
B)  Thylakoid membrane of chloroplasts in photosynthetic Eukaryotes. 
C)  Cell membranes of aerobic bacteria. 
D)  Cytoplasm of fermentative bacteria.

Question 19

Together the light-dependent photosynthetic reactions produce ________.

Accepted Answer

A)  ATP, NADPH, O2 
B)  ATP, NADPH, CO2 
C)  Glucose, ATP, O2 
D)  ATP, NADPH, H2O 
A)  ATP, NADPH, O2 
B)  ATP, NADPH, CO2 
C)  Glucose, ATP, O2 
D)  ATP, NADPH, H2O

Question 20

Chemoautotrophs use ________ as their primary carbon source and ________ as their energy resource.

Accepted Answer

A)  CO2/reduced inorganic compounds 
B)  CO2/oxidized inorganic compounds 
C)  reduced organic compounds/reduced organic compounds 
D)  reduced organic compounds/oxidized organic compounds 
A)  CO2/reduced inorganic compounds 
B)  CO2/oxidized inorganic compounds 
C)  reduced organic compounds/reduced organic compounds 
D)  reduced organic compounds/oxidized organic compounds

Exam 9: Metabolism

The light-dependent reactions of photosynthesis trap solar energy and ________.

Which of the following are activated, high energy carriers in cellular processes?

Chemoheterotrophs use organic compounds as their primary carbon source and same compounds as their energy resource. This group includes ________. (Select all that apply)

Aerobic cellular respiration consists of three pathways. The correct order of these pathways is ________.

The reaction center pigment that initiates the light reactions of photosynthesis is ________.

Lactobacillus produces ________ as the end product of fermentation.

Glycolysis uses ________.

The yeast, Saccharomyces, produces ________ as the organic end product of fermentation.

The synthesis of ATP from the breakdown of glucose is an example of an ________ reaction. (Select all that apply)

Which process probably evolved first on the ancient Planet Earth - photosynthesis or cellular respiration?

________ is an example of a set of exergonic reactions.

________ is an example of a set of endergonic reactions. (Select all that apply)

Anabolism is a set of ________ reactions that ________.

The CO2 gas that we exhale from our lungs is produced during ________. (Select all that apply)

What organic compound is produced at the end of glycolysis? (Select all that apply)

When a series of redox reactions are initiated by the absorption of light energy this results in the ________ of ATP.

Pyruvate oxidation and the citric acid cycle occur ________ of a bacterial cell.

Where may chemiosmosis occur in a cell? (Select all that apply)

Together the light-dependent photosynthetic reactions produce ________.

Chemoautotrophs use ________ as their primary carbon source and ________ as their energy resource.

Microbial World

An Introduction to the Chemical Basis of Life

The Biochemistry of Macromolecules

Microscopy

Prokaryote Organisms

Eukaryotic Cells

Eukaryotic Organisms

Viruses and Infectious Particles

Microbial Genetics and Genetic Engineering

Microbial Growth and Control

Antimicrobial Agents

Innate Immunity

Adaptive Immunity

Vaccination, Immunoassays, and Immune Disorders

Microbial Pathogenesis

Epidemiology and Infection Control

Diseases of the Respiratory System

Diseases of the Skin and Eyes

Diseases of the Gastrointestinal System

Diseases of the Urogenital System

Diseases of the Nervous System

Diseases of the Cardiovascular and Lymphatic Systems

Environmental and Industrial Microbiology

Filters

Anabolism is a set of reactions that .

The CO₂ gas that we exhale from our lungs is produced during ________. (Select all that apply)

Chemoautotrophs use as their primary carbon source and as their energy resource.