Multiple Choice 1 Which of the following sthe currect sequence of events in cell

Question

Multiple Choice 1 Which of the following sthe currect sequence of events in cellular respiration correst sequence a. glycolysistementaticn Krebs cycle b. Krebs cyele 1 electroe e glycolysis Krebs eyele electron traissport d. Krebs cycle glycolysis electron transpost transpoet 1 gysolysis 2 Cellular respiration releases energy by breaking down food molecules b. ATP c. Carbon Dixided. water a· 3. Which of these processes takes place in the eytoplasm of a cell a Glycolysis b electrom transport e. Kreb's Cycle d. All of the above 4. Which of the following acts as an electron carriver in cellular res a NAD b. pynuvic acid ADP d. ATP 5. Lactic acid fermentation occurs in a. bread dough b. any environment containing oxygen. c. muscle cells. d. mitochondria. 6. Which of the following is not a product of respiration a. water b. ATP c. Carbon dioxide d oxygern Ure ??? 7. In the presence of oxygen, glycolysis is followed by robi star mpo a. lactic acid fermentation b. alcoholic fermentation c. photosynthesis d. the Krebs cycle. ded nysi he 8 Cellular respiration is called an acrobic process because it requires a. light. b. exercise c. oxygen. d. glucose

Explanation / Answer

1. Option c - Glycolysis, Kreb's cycle, Electron transport

2. Option a - food molecules (Food mainly consists of glucose. During cellular respiration, glucose is broken down to release energy which is captured by ATPs)

3. Option a - glycolysis (Kreb's cycle and electron transport takes place in mitochondrial matrix)

4. Option a - NAD+

NAD+ accepts a hydrogen ion (H+) and two electrons (2e?) and gets reduced to NADH + H+. The NADH moves to the electron transport chain and donates a pair of electrons (becomes oxidized) to the first compound in the chain.

5. option c - Muscle cells

6. Option d - Oxygen (Cellular respiration is this process in which oxygen and glucose are used to create ATP, carbon dioxide, and water.)

7. option d - Kreb's cycle

8. option c - Oxygen.

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