Cell Biology Questions
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During fermentation,a) NAD+ is regenerated, allowing glycolysis to continue.b) glucose is split into 3 pyruvic acid moleculesc) oxygen is requiredd) carbon dioxide is produced
The energy needed to win a 1-minute footrace is produced mostly bya) lactic acid fermentationb) cellular respirationc) using up stores of ATPd) breaking down fats
the starting molecule for glycolysis isa) ADPb) pyruvic acidc) citric acidd) glucose
Unlike photosynthesis, cellular respiration occurs ina) animal cells onlyb) plant cells onlyc) prokaryotes onlyd) all eukaryotic cells
Glycolysis rearranges a 6-carbon glucose molecule into two 3-carbon molecules of _____
Photosynthesis occurs only in plants, algae and some bacteria. In contrast, ___occurs in all eukaryotic cells.
Which of the following is not a product of glycolysis?a) NADHb) pyruvic acidc) ATPd) glucose
The body gets rid of lactic acid in a chemical pathway that requires ____
Breathing heavily after running a race is your body's way ofa) making more citric acidb) repaying an oxygen debtc) restarting glycolysisd) stopping the electron transport chain
Which of the following is the correct sequence of events in cellular respiration?a) glycolysis-> fermentation->Krebs cycleb) Krebs cycle-> electron transport-> glycolysisc) glycolysis-> Krebs cycle -> electron transportd) Krebs cycle->glycolysis-> electron transport
Which process does NOT release energy from glucose?a) glycolysisb) photosynthesisc) fermentationd) cellular respiration
When __pass through ATP synthase, ATP molecules are produced from ADP molecules
The Krebs cycle starts witha) lactic acid and yields carbon dioxideb) glucose and yields ATPc) pyruvic acid and yields lactic acidd) pyruvic acid and yields carbon dioxide
When comparing cellular respiration and photosynthesis, these two processes are best described as a) energy releasing processesb) energy storing processesc) opposite processesd) similar processes
What is the process by which glucose is broken down into two molecules of pyruvic acid?
During heavy exercise the buildup of lactic acid in muscle cells results ina) cellular respirationb) oxygen debtc) fermentationd) Krebs cycle
Cellular respiration is called an aerobic process because it requires a) lightb) electron transportc) oxygend) glucose
Which of the following is NOT a stage of cellular respiration?a) fermentationb) electron transportc) glycolysisd) Krebs cycle
What is the innermost compartment of a mitochondria
Glycolysis requiresa) ATPb) oxygenc) sunlightd) NADP+