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Bio 230 Exam 3 Questions with correct Answers 100%
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Bio 230 Exam 3 Questions with correct Answers
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Bio 230 Exam 3 Questions with correct AnswersWhich of the following is ordered correctly from largest to smallest
A. Plant cell, chloroplast, chlorophyll, glucose, carbin dioxide
B. Plant cell, chlorophyll, chloroplast, glucose carbon dioxide C. Plant cell, glucose, chloroplast, chlorophyll, carbon dioxide
D. Chloroplast, plant cell, glucose, carbon dioxide, chlorophyll - Answer- A. Plant cell, chloroplast, chlorophyll, glucose, carbin dioxide
What is the original source of most of the energy that is in your body right now? A. Oxygen
B. Nutrients
C. Carbohydrates D. Sunlight
E. Carbon dioxide - Answer- D. Sunlight
A patient who has been poisoned arrives in the emergency room. The patient's ATP levels are low and NADH levels are high. Which of the following cellular respiration processes is likely to be most affected?
A. Glycolysis
B. Transition Reaction
C. Citric Acid/ Krebs Cycle
D. Electron Transport Chain E. All of the Above - Answer- D. Electron Transport Chain
Biologist at the NASA's Astrobiology Institute are studying new life forms found in the Antarctic and have collected an unknown specimen that appears to have ribosomes and
to carry out cellular respiration. This specimen could be...
A. A virus
B. A prokaryote C. A eukaryote
D. Either B or C E. Either A, B, or C - Answer- D. Either B or C
At the end of the Citric Acid/Krebs Cycle, most of the energy that was originally glucose is A. Used up in the splitting of glucose B. Transferred to ADP, forming ATP
C. Transferred directly to ATP
D. Stored in Acetyl CoA E. Stored in the NADH AND FADH2 produced - Answer- E. Stored in the NADH AND FADH2 produced
Which of the following is the most scientifically accurate statement about DNA replication compared to gene expression (transcription/ translation)? A. DNA replication occurs in virtually all cells while transcription/ translation occurs in some cells
B. DNA replication and transcription/ translation produce the same molecules C. The same enzyme is responsible for DNA replication and transcription/translation D. DNA replication occurs in some cells while transcription/translation occurs in nearly all cells - Answer- D. DNA replication occurs in some cells while transcription/translation
occurs in nearly all cells
What is the original source of most of the dry mass that is in your body right now
A. Carbs B. Sunlight
C. Oxygen
D. Carbon dioxide E. Nutrients - Answer- D. Carbon dioxide
During glycolysis when glucose is transformed to pyruvate most of the energy of glucose is A. Stored in the NADH PRODUCED
B. Used up in the splitting of glucose C. Transferred to ADP, forming ATP
D. Transferred directly to ATP
E. Stored in the pyruvate - Answer- E. Stored in the pyruvate
The oxygen gas in aerobic cellular respiration is directly involved in which process? A. Pumping hydrogen ions out of the mitochondrial matrix
B. Splitting glucose
C. Converting pyruvate to Acetyl CoA D. Generating of NADH
E. Accepting electrons at the end of the ETC - Answer- E. Accepting electrons at the end of the ETC
In the 1600's Jean Baptiste Van Helmont conducted a 5 yr willow tree experiment in which he measured the weight of the tree and the weight of the soil at the beginning and
at the end of the experiment. What can you conclude from the evidence he collected in this experiment? A. The mass of the tree came from the CO2
B. Soil contributes important things to plant growth
C. Soil does not contribute much mass to the mass of the tree D. The mass of the tree came mostly from the water
E. The mass of the tree does not change when a plant grows - Answer- C. Soil does not
contribute much mass to the mass of the tree
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