GenBio L4 & L5
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- Q1
A single ADP molecule comprises of adenine, ribose, and a 2 chained phosphate group. Which of the following best describes the removal of a hydrogen molecule to accommodate the addition of inorganic phosphate to ADP to form the energy currency of cells, ATP.
It is an exergonic process and a dehydration reaction.
It is an endergonic process and a hydrolysis reaction.
It is an exergonic process and a hydrolysis reaction.
It is an endergonic process and a dehydration reaction.
30s - Q2
Which of the following are the electron carriers of cellular respiration?
NADPH and FADH2
NADPH and ATP
NADH and FADH2
NADH2 and FADH
30s - Q3
How much ATP does a single FADH2 produce on cellular respiration.
4 ATP
2 ATP
6 ATP
3 ATP
30s - Q4
How much ATP does a single NADH produce on cellular respiration.
6 ATP
2 ATP
3 ATP
4 ATP
30s - Q5
During Glycolysis, 2 molecules of NADH and 2 molecules of pyruvates are produced. How much ATP is produced from the those 2 electron carriers produced?
3 ATP
4 ATP
8 ATP
6 ATP
30s - Q6
A single Krebs Cycle produces 3 NADH and 1 FADH2. What is the total amount of ATP produced only from the electron carriers assembled from a single Krebs Cycle?
12 ATP
24 ATP
22 ATP
11 ATP
30s - Q7
How many Krebs cycles are there in a single process of cellular respiration?
2
3
1
4
30s - Q8
Acetyl CoA is an important molecule in the process of cellular respiration. At what stage of cellular respiration is it usually found?
Carbon Fixation
Glycolysis
Krebs Cycle
Calvin Cycle
30s - Q9
During respiration of yeasts, the pyruvate is fermented into alcohol instead of undergoing Krebs Cycle. Which of the following best describes the main cause of such phenomenon?
There is no oxygen that will be the drive for electrons to undergo Krebs Cycle and ETC.
There is a lack of electron carriers produced during glycolysis in which the yeast cells rely to fermentation instead to continue energy metabolism.
Yeasts are primarily designed to ferment and produce alcohol regardless of environmental conditions
There is an insufficient amount of coenzyme A which the pyruvates from glycolysis will not be able to combine with to form acetyl CoA, which is an important molecule on the Krebs Cycle.
30s - Q10
The electron transport chain in cellular respiration directly produces ATP.
falsetrueTrue or False30s - Q11
How is water produced in the final stage of cellular respiration?
As ATP is produced through the ATP Synthase, some of the energy are expended to synthesize water from the accumulation of hydrogen ions.
The hydrogen ion accumulation between the inner and outer membrane combines with oxygen that moves from molecule to molecule.
The oxygen as the final electron acceptor combines with the hydrogen ions that are deposited by electron carriers.
Nicotinamide Adenine Dinucleotide Hydrogen breaks into H2O during the electron transport chain as it deposits its electrons.
30s - Q12
Which of the following is not a product of the Krebs Cycle?
CO2
FADH2
ATP
NADPH
30s - Q13
Which of the following is NOT true about alcoholic fermentation?
Only certain organisms can undergo alcoholic fermentation.
It produces ATP in small amounts compared to normal respiration
There are no electron carriers to deposit hydrogen ions to ETC.
Pyruvates are converted to acetaldehyde which are reduced to ethanol by NADH.
30s - Q14
A boy gets sore muscles due to continuously running around without rest. Which of the following best describes the scenario?
Getting exhausted causes our cells to undergo alcoholic fermentation as there is no oxygen as the final electron acceptor.
Getting exhausted prevents our cells from undergoing cellular respiration.
Running without rest exhausts us of oxygen which results to our muscle cells dying.
Running continually deprives us of oxygen which results to our cells depending on lactic acid fermentation instead, thus, damaging muscle tissues.
30s - Q15
Photosynthesis is a type of what process?
Anabolic and Exergonic
Catabolic and Endergonic
Catabolic and Exergonic
Anabolic and Endergonic
30s