Cell Biology Questions
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The presence of what molecule 'signals' to the cell that glycolysis is about to start?
True or False: Chloroplasts are specific to algae and plants.
The process of carbon fixation begins with which of the following reactants: select all that apply.CO2H2ONADPHATPGlyceraldehyde-3-phosphate
True or False: Dark reactions can occur in the presence or absence of light.
What is the primary byproduct of the TCA cycle? Select all that apply.NAD+FADNADHFADH2
Complete the following equation by placing the appropriate numbers where indicated.[answer1]CO2 + [answer2]ATP + [answer3]NADPH + [answer4] H20 → C6H12O6 + [answer5]ADP + [answer6] NADP+
How many turns (or repititions) of the Calvin Cycle are required to generate one molecule of glucose?
True or False: In the absence of oxygen fermentation produces 2 ATP.
Upon cellular injury, which metabolic process is involved during the growth and repair phases of the cell?
True or False: Enzymes slow down chemical reactions to conserve energy.
Identify the products of the following chemical equation:Glucose + 2NAD+ → 2 NADH + 2 Pyruvate + 2 ATP
True or False: Metabolism is a controlled set of biochemical reactions that occur in living organisms in order to maintain life.
What is the term for metal ions that assist enzymes during the catalysis reaction?
In the absence of glucose, which of the following can be used as alternative energy sources? Select all that apply.LipidsCarbohydratesLactoseNucleic acids
What determines the specificity of an enzyme?
True or False. The reactants of the TCA cycle directly enter and fuel the electron transport system.
Identify the enzyme associated with the following enzymatic reactions:A-B → B-A Ab + C → A + Cb
An organism that derives its energy by removing electrons from elemental sulfur would be classified as a __________?
In what organelle does photosynthesis take place
Proteases are used to catabolize what?