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College Biochemistry Questions

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College Biochemical Pathways
During cellular respiration, oxygen
  1. delivers electrons to the destination known as the citric acid cycle.
  2. is chemically converted to ATP.
  3. delivers its electrons to the electron transport chain.
  4. is reduce to NADP+.
  5. acts the final electron acceptor.
College Biochemical Pathways
1. One of the most abundant proteins on Earth, aids in carbon fixation
2. The enzyme for one of the earliest steps in glycolysis, is highly regulated in mammals
  2. FAD, FADH2
  3. Phosphofructokinase, ATP synthase
  4. Rubisco, ATP synthase
  5. Rubisco, Phosphofructokinase
College Macromolecules
Select all those that are properties of a protein.
  1. The monomer an amino acid
  2. Among proteins functions are structure, defense, and breakdown of particles.
  3. Proteins act as catalysts.
  4. Amino acids are joined by peptide bonds.
  5. A long chain of amino acids is called a polypeptide.
College Macromolecules
The primary elements forming biomolecules include                                .
  1. Carbon, Hydrogen and Oxygen
  2. Nitrogen, Potassium and Lithium
  3. Hydrogen, Nitrogen, and Silicon
  4. Calcium, Chlorine and Boron
College Biochemical Pathways
What are the products of glycolysis? Select all that apply.
  1. 2 ATP/glucose molecule
  2. NADPH
  3. NAD+
  4. 2 pyruvic acids
  5. FADH2
College Biochemical Pathways
The [math]CO_2[/math] we exhale is produced during which stage of respiration?
  1. ETC
  2. Glycosis
  3. Kreb's Cycle
  4. Kreb's Cycle and ETC
  5. Calvin Cycle
College Macromolecules
College Biochemical Pathways
What is the final stage of glucose oxidation?
  1. intermediate stage
  2. glycolysis
  3. citric acid cycle
  4. electron transport system
College Biochemical Pathways
Respiration                                        and cellular respiration                                       .
  1. produces ATP ..... is gas exchange
  2. is gas exchange ..... produces ATP
  3. produces glucose ..... produces oxygen
  4. uses glucose ..... produces glucose
  5. light energy ..... produces ADP
College Biochemical Pathways
What are the main products of photosynthesis?
  1. glucose and oxygen
  2. ATP and oxygen
  3. mesophyll
  4. photosynthesis
College Macromolecules
What is a(n) example of carbohydrate?
  1. Sugar
  2. Starch
  3. Both sugar and starch
  4. Neither sugar and starch
College Biochemical Pathways
The third stage of glucose oxidation is called                          .
  1. intermediate stage
  2. glycolysis
  3. citric acid cycle
  4. electron transport system
College Macromolecules
What is the most common element in the human body by mass?
  1. Calcium
  2. hydrogen
  3. carbon
  4. oxygen
  5. nitrogen
College Macromolecules
College Biochemical Pathways
Photosynthesis is the process by which                                                                                     .
  1. autotrophs convert glucose into ATP molecules
  2. animals are able to supple themselves and all other organisms with food
  3. producers convert light energy into chemical energy using simple inorganic molecules
  4. plants convert glucose into water, oxygen, and ATP molecules using light energy
  5. autotrophs convert chemical energy into light energy
College Macromolecules
What affects do catalysts have on reactions?
  1. They lower the activation energy for the reaction
  2. Alter the reactions change in free energy
  3. Increases reaction rate
  4. No effect
  5. A and C
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