Help with these biology question I got wrong?

Posted on 2015-10-22 07:40:00 in Biology by MARRI

I recently took a biology quiz and got few questions wrong. I would be really grateful if someone could tell me the correct answers.

1.) Where is the electron transport chain of oxidative phosphorylation located?

a.) mitochondrial matrix b.) cytosol c.) cristae d.) mitochondrial intermembrane space e.) thylakoid membrane

I chose D and got this one wrong.

2.) If no oxygen is present, how can ATP be synthesized?

a.) chemiosmosis b.) oxidative phosphorylation c.) substrate-level phosphorylation d.) electron transport chain e.) oxidation

I answered B.

3.) During cellular respiration, the energy in glucose

a.) is used to manufacture glucose. b.) is used to make ATP c.) becomes stored in molecules of ammonia. d.) makes carbon dioxide e.) breaks down NADH

I answered D

4.) The electrons lost from the reaction center of photosystem I are replaced by electrons from

a.) ATP b.) CO2 c.) H2O d.) the top of the electron transport chain. e.) the bottom of the electron transport chain.

I answered C.

5.) Which of the following substances are necessary reactants of photosynthesis?

a.) glucose and CO2 b.) glucose and oxygen c.) sunlight and chlorophyll d.) CO2 and Oxygen e.) glyceraldehyde-3-phosphate and RUBISCO

I answered A.

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