Answer:
variables
Explanation:
Studying one trait at a time ensures that multiple variables are not changing simultaneously.
During fermentation , yeast break down pyruvate into ethanol and Nicotinamide adenine dinucleotide(NADH) is
regenerated to keep glycolysis running and producing a small amount of ATP.
<h3>What is fermentation?</h3>
Fermentation is the process whereby glucose or carbohydrates are break down into alcohol in the presence of an enzymes or yeast. and in the absence of oxygen. Two molecules is involved in fermentation.
Therefore, During fermentation , yeast break down pyruvate into ethanol and Nicotinamide adenine dinucleotide(NADH) is regenerated to keep glycolysis running and producing a small amount of ATP
Learn more about fermentation below.
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The correct answer is lactic acid fermentation.
Lactic acid fermentation refers to a metabolic procedure by which glucose and other six-carbon sugars, like lactose or sucrose are transformed into cellular energy and the metabolite lactic acid that is a lactate in solution.
It is an anaerobic fermentation reaction, which takes place in certain kinds of bacteria and animal cells, like muscle cells.
If a plant cell had a mutation such that the cyclic electron flow is observed at a much higher rate, which photosystem is most likely mutated such that energy is absorbed at a lower rate?
PSI
PSII
Answer:
PSII
Explanation:
Non-cyclic phosphorylation involves both PSI and PSII. The process starts with the splitting of water and excitation of electrons of the reaction center of PSII upon the absorption of solar energy at the wavelength of 680 nm. Any mutation in PSII would not allow the non-cyclic phosphorylation to occur when only cyclic phosphorylation would occur. The process of cyclic phosphorylation includes only PS I. Its reaction center absorbs maximum light at 700 nm and is cycled back while supporting ATP synthesis. Therefore, if a plant performs cyclic phosphorylation at a higher rate and absorbs less energy, this means that mutation was in PSII.
