Quiz Questions Flashcards
(19 cards)
All of the following steps in cellular respiration generate at least some ATP EXCEPT:
A.) glycolysis
B.) oxidative phosphorylation
C.) citric acid cycle
D.) pyruvate oxidation
D.) pyruvate oxidation
Which of the following steps in cellular respiration is the only step that uses oxygen?
A.) pyruvate oxidation
B.) glycolysis
C.) oxidative phosphorylation
D.) citric acid cycle
C.) oxidative phosphorylation
Where does the carbon used for photosynthesis come from?
A.) The carbon comes from carbon dioxide.
B.) The carbon comes from water.
C.) The carbon comes from oxygen.
D.) The carbon comes from glucose.
A.) The carbon comes from carbon dioxide.
All of the following steps in cellular respiration take place in the mitochondria EXCEPT:
A.) oxidative phosphorylation
B.) citric acid cycle
C.) glycolysis
D.) pyruvate oxidation
C.) glycolysis
Which of the following statements regarding the Calvin cycle is CORRECT?
A.) The Calvin cycle uses ATP generated during light capture to power carbohydrate synthesis.
B.) The Calvin cycle uses the energy stored in carbohydrates to power ATP synthesis.
C.) The Calvin cycle does not require energy to power carbohydrate synthesis.
D.) The Calvin cycle uses ATP generated during the breakdown of carbohydrates to power carbohydrate synthesis.
A.) The Calvin cycle uses ATP generated during light capture to power carbohydrate synthesis.
During cellular respiration, what is the source of oxygen?
A.) Oxygen is obtained during the breakdown of food.
B.) Oxygen is obtained by exhaling air.
C.) Oxygen is obtained by inhaling air.
D.) Oxygen is obtained during the synthesis of food.
C.) Oxygen is obtained by inhaling air.
If the cell does not have any oxygen, what happens to the energy carriers NAD+ and FAD?
A.) NAD+ and FAD cannot be reduced to carry electrons from the breakdown of glucose.
B.) NADH and FADH2 cannot be oxidized to regenerate them to NAD+ and FAD.
C.) NADH and FADH2 cannot be reduced to regenerate them to NAD+ and FAD.
D.) NADH and FADH2 cannot be correctly localized to the mitochondria.
B.) NADH and FADH2 cannot be oxidized to regenerate them to NAD+ and FAD.
Which of the following statements regarding light absorption in plants is CORRECT?
A.) Chlorophyll in the mitochondria absorbs light, converting it to energy.
B.) Chlorophyll in the mitochondria absorbs light, breaking down glucose to release energy.
C.) Chlorophyll in the chloroplast absorbs light, breaking down glucose to release energy.
D.) Chlorophyll in the chloroplast absorbs light, converting it to energy.
D.) Chlorophyll in the chloroplast absorbs light, converting it to energy.
Which of the following is a key DIFFERENCE between the mitochondrial electron transport chain and the photosynthetic electron transport chain?
A.) NADH and FADH2 donate electrons to provide the power to pump protons in the mitochondrial electron transport chain, whereas light absorbed by chlorophyll provides the power to pump protons in the photosynthetic electron transport chain.
B.) Light absorbed by chlorophyll provides the power to pump protons in the mitochondrial transport chain, whereas NADH and FADH2 donate electrons to provide the power to pump protons in the photosynthetic electron transport chain.
C.) Electrons are accepted by NADP+ in the mitochondrial electron transport chain, whereas electrons are accepted by oxygen in the photosynthetic electron transport chain.
D.) ATP synthase uses the potential energy stored in the proton gradient to drive ATP synthesis in the mitochondrial electron transport chain, whereas ATP synthase uses a neutron gradient to drive ATP synthesis in the photosynthetic electron transport chain.
A.) NADH and FADH2 donate electrons to provide the power to pump protons in the mitochondrial electron transport chain, whereas light absorbed by chlorophyll provides the power to pump protons in the photosynthetic electron transport chain.
Which of the following organelles is used during photosynthesis?
A.) nucleus
B.) chloroplast
C.) golgi
D.) ribosome
B.) Chloroplast
Which of the following statements regarding genome size is CORRECT?
A.) Genome size is not a good indicator of organismal complexity.
B.) Humans have the largest genome size of all species.
C.) Bacteria have the largest genome size of all species.
D.) Genome size is similar amongst all species.
A.) Genome size is not a good indicator of organismal complexity.
Which is the CORRECT order of events during DNA replication?
A.) Topo II relieves stress on the DNA, Helicase unwinds the DNA, Primase synthesizes a primer, single stranded binding proteins bind, and DNA polymerase synthesizes DNA.
B.) Helicase unwinds the DNA, single stranded binding proteins bind, Topo II relieves stress on the DNA, Primase synthesizes a primer, and DNA polymerase synthesizes DNA.
C.) Helicase unwinds the DNA, single stranded binding proteins bind, Topo II relieves stress on the DNA, DNA polymerase synthesizes DNA, and Primase synthesizes a primer.
D.) Primase synthesizes a primer, Helicase unwinds the DNA, single stranded binding proteins bind, Topo II relieves stress on the DNA, and DNA polymerase synthesizes DNA.
B.) Helicase unwinds the DNA, single stranded binding proteins bind, Topo II relieves stress on the DNA, Primase synthesizes a primer, and DNA polymerase synthesizes DNA.
During which step of the Cell Cycle is DNA synthesized?
A.) G2 phase
B.) G1 phase
C.) S phase
D.) M phase
C.) S phase
What is the consequence to a cell that has completed Prophase, but is unable to enter Prometaphase?
A.) The chromosomes will not condense.
B.) The centrosomes will not be able to move to opposite poles.
C.) The microtubules will not be able to interact with the chromosomes.
D.) The cell will continue to replicate DNA.
C.) The microtubules will not be able to interact with the chromosomes.
Given the following DNA sequence, 5’-ATGCCGTTAGCG-3’, which of the following represents the complementary strand?
A.) 5’-CGCTAACGGCAT-3’
B.) 5’-TACCCGACGCTT-3’
C.) 5’-ATGCCGTTAGCG-3’
D.) 5’-TACGGCAATCGC-3’
Which of the following steps in PCR is used to separate double stranded DNA into single strands?
A.) Decreasing the temperature to 50C
B.) Increasing the temperature to 72C
C.) Increasing the temperature to 96C
D.) Decreasing the temperature to 4C
C.) Increasing the temperature to 96C
Which of the followings statements regarding DNA replication is CORRECT?
A.) The Leading Strand is synthesized continuously whereas the Lagging Strand is synthesized discontinuously.
B.) The Leading Strand and the Lagging Strand are synthesized discontinuously.
C.) The Leading Strand is synthesized discontinuously whereas the Lagging Strand is synthesized continuously.
D.) The Leading Strand and the Lagging Strand are synthesized continuously.
A.) The Leading Strand is synthesized continuously whereas the Lagging Strand is synthesized discontinuously.
A circular DNA has three EcoR1 restriction sites. Which of the following statements is CORRECT?
A.) Treatment of this human DNA with the EcoR1 restriction enzyme will produce three DNA fragments.
B.) Treatment of this bacterial DNA with the EcoR1 restriction enzyme will produce four DNA fragments.
C.) Treatment of this bacterial DNA with the EcoR1 restriction enzyme will produce three DNA fragments.
D.) Treatment of this human DNA with the EcoR1 restriction enzyme will produce four DNA fragments.
C.) Treatment of this bacterial DNA with the EcoR1 restriction enzyme will produce three DNA fragments.
Agarose gel electrophoresis separates DNA based on which of the following?
A.) the A, T, C and G composition of the DNA fragment
B.) charge of the DNA
C.) size of the DNA fragment
D.) temperature
C.) size of the DNA fragment
