Cell Biology Questions
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Glycolysis provides a cell with a net gain ofa) 2 ATP moleculesb) 4 ATP moleculesc) 18 ATP moleculesd) 36 ATP molecules
Glycolysis requiresa) ATPb) oxygenc) sunlightd) NADP+
(T/F) Alcoholic fermentation gives off carbon dioxide and is used in making bread.
The products of photosynthesis are the a) products of cellular respirationb) reactants of cellular respirationc) products of glycolysisd) reactants of fermentation
In eukaryotes the Krebs cycle takes place in a) the chloroplastb) nucleusc) mitochondriond) cytoplasm
What is the process that forms either lactic acid or ethyl alcohol when no oxygen is present
The electron transport chain uses the high-energy electrons from the Krebs cycle toa) produce glucoseb) move H+ ions across the inner mitochondrial membranec) convert acteyl-CoA to citric acidd) convert glucose to pyruvic acid
Which is the process that releases energy by breaking down food molecules int the presence of oxygen?a) cellular respirationb) electron transportc) glycolysisd) photosynthesis
Which is the electron carrier that accepts electrons during glycolysis?a) ADPb) ATPc) NAD+d) NADP+
Because fermentation takes place in the absence of oxygen, it is said to bea) aerobicb) anaerobicc) cyclicd) oxygen-rich
The net gain of energy in glycolysis from one molecule of glucose isa) 4 ATP moleculesb) 2 ATP moleculesc) 8 ADP moleculesd) 3 pyruvic acid molecules
What is the stage of cellular respiration that starts with pyruvic acid and produces carbon dioxide?
Photosynthesis is to chloroplasts as cellular respiration is to a) chloroplastsb) cytoplasmc) mitochondriad) nuclei
in prokaryotes the electron transport chain is in the ___
(T/F) Most organisms perform fermentation using a chemical reaction that converts pyruvic acid to lactic acid.
(T/F) Fermentation allows glycolysis to continue by providing the NADPH needed to accept high energy electrons.
___serves as the final electron acceptor of the electron transport chain.
The process carried out by yeast that causes bread dough to rise isa) alcoholic fermentationb) lactic acid fermentationc) cellular respirationd) yeast mitosis
Each gram of glucose contains approximately how much energy?a) 1 calorieb) 1 Caloriec) 4 caloriesd) 4 Calories
(T/F) Glycolysis provides the pyruvic acid molecules used in fermentation.