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Biology Test #6

Biology Test #6

Question 1 of 35

1

What is the name of the molecule complex that escorts the acetyl group into Kreb's cycle?

Select one of the following:

  • oxidase

  • Co-enzyme B

  • Co-enzyme A

  • anti-oxidant

Explanation

Question 2 of 35

1

According to your book, the two main types of fermentation are called

Select one of the following:

  • alcoholic and aerobic

  • lactic acid and anaerobic

  • aerobic and anaerobic

  • alcoholic and lactic acid

Explanation

Question 3 of 35

1

During one turn, the Krebs cycle produces

Select one of the following:

  • glucose

  • oxygen

  • electron carriers

  • lactic acid

Explanation

Question 4 of 35

1

The conversion of pyruvic acid into lactic acid requires

Select one of the following:

  • oxygen

  • ATP

  • alcohol

  • NADH

Explanation

Question 5 of 35

1

Cellular respiration is called an aerobic process because it requires

Select one of the following:

  • glucose

  • oxygen

  • exercise

  • light

Explanation

Question 6 of 35

1

Unlike photosynthesis, cellular respiration occurs in

Select one of the following:

  • all but plant cells

  • plant cells only

  • animal cells only

  • all eukaryotic cells

Explanation

Question 7 of 35

1

Which process is used to produce beer and wine?

Select one of the following:

  • alcoholic fermentation

  • the Krebs cycle

  • glycolysis

  • lactic acid fermentation

Explanation

Question 8 of 35

1

What is the weak electron carrier that enters Kreb's cycle after ATP is produced?

Select one of the following:

  • FAD

  • FADH+

  • NAD+

  • NADP+

Explanation

Question 9 of 35

1

All of the following are sources of energy during exercise EXCEPT

Select one of the following:

  • alcoholic fermentation

  • lactic acid fermentation

  • cellular respiration

  • stored ATP

Explanation

Question 10 of 35

1

The primary electron carrier produced after reduction occurs in glycolysis AND Kreb's cycle is called

Select one of the following:

  • NADPH

  • FADH

  • NAD+

  • None of the above

Explanation

Question 11 of 35

1

According to your reading, when the body needs to exercise for longer than 90 seconds, it must generate ATP mainly by carrying out

Select one of the following:

  • cellular respiration

  • glycolysis

  • lactic acid fermentation

  • alcoholic fermentation

Explanation

Question 12 of 35

1

At the end of cellular respiration, what happens to the oxygen?

Select one of the following:

  • becomes water

  • becomes glucose

  • becomes CO2

  • becomes electrons

Explanation

Question 13 of 35

1

Glycolysis provides a cell with a net gain of

Select one of the following:

  • 18 ATP molecules

  • 36 ATP molecules

  • 4 ATP molecules

  • 2 ATP molecules

Explanation

Question 14 of 35

1

What are the reactants in the equation for cellular respiration?

Select one of the following:

  • oxygen and lactic acid

  • glucose and oxygen

  • water and glucose

  • carbon dioxide and water

Explanation

Question 15 of 35

1

Photosynthesis is to chloroplasts as cellular respiration is to

Select one of the following:

  • mitochondria

  • chloroplasts

  • cytoplasm

  • nucleus

Explanation

Question 16 of 35

1

Cellular respiration releases energy by breaking down

Select one of the following:

  • food molecules

  • water

  • ATP

  • carbon dioxide

Explanation

Question 17 of 35

1

The products of photosynthesis are

Select one of the following:

  • reactants of cellular respiration

  • reactants of fermentation

  • products of glycolysis

  • products of cellular respiration

Explanation

Question 18 of 35

1

Which of the following is NOT a stage of cellular respiration

Select one of the following:

  • electron transport

  • glycolysis

  • fermentation

  • Krebs cycle

Explanation

Question 19 of 35

1

Which of these is a product of cellular respiration

Select one of the following:

  • water

  • oxygen

  • glucose

  • all of the above

Explanation

Question 20 of 35

1

Oxygen is MOST important to cellular respiration because...

Select one of the following:

  • it keeps plants healthy

  • it pulls electrons off NADH and down ETC

  • it charges the photosystems

  • it is needed to make water

Explanation

Question 21 of 35

1

Which of the following passes high-energy electrons into the electron transport chain?

Select one of the following:

  • citric acid

  • NADH AND FADH2

  • ATP and ADP

  • acetyl-CoA

Explanation

Question 22 of 35

1

Another name for the Krebs cycle is the ______ cycle.

Select one of the following:

  • acetic acid

  • malic acid

  • citric acid

  • formic acid

Explanation

Question 23 of 35

1

Which of these processes takes place in the cytoplasm's fluid inside of a cell?

Select one of the following:

  • electron transport

  • glycolysis

  • Krebs cycle

  • all of the above

Explanation

Question 24 of 35

1

The starting molecule for the Krebs cycle is

Select one of the following:

  • NADH

  • pyruvic acid

  • coenzyme A

  • glucose

Explanation

Question 25 of 35

1

The Krebs cycle occurs in the part of the mitochondria called the

Select one of the following:

  • matrix

  • stroma

  • mitoplasm

  • cytoplasm

Explanation

Question 26 of 35

1

The starting molecule for glycolysis is

Select one of the following:

  • ADP

  • citric acid

  • glucose

  • pyruvic acid

Explanation

Question 27 of 35

1

Most of the ATP made in cellular respiration are produced in

Select one of the following:

  • fermentation

  • glycolysis

  • Kreb's cycle

  • ATP Synthase

Explanation

Question 28 of 35

1

Which process does NOT release energy from glucose?

Select one of the following:

  • glycolysis

  • cellular respiration

  • photosynthesis

  • fermentation

Explanation

Question 29 of 35

1

Cellular respiration uses one molecule of glucose to produce

Select one of the following:

  • 34 ATP molecules

  • 2 ATP molecules

  • 36 ATP molecules

  • 38 ATP molecules

Explanation

Question 30 of 35

1

Which organism is not likely to carry out cellular respiration?

Select one of the following:

  • anaerobic bacterium

  • tree

  • mushroom

  • tiger

Explanation

Question 31 of 35

1

In the presence of oxygen, glycolysis is followed by

Select one of the following:

  • Krebs cycle

  • lactic acid fermentation

  • alcoholic fermentation

  • photosynthesis

Explanation

Question 32 of 35

1

The energy of the electrons passing along the ETC is used to make

Select one of the following:

  • ATP

  • lactic acid

  • citric acid

  • alcohol

Explanation

Question 33 of 35

1

Which of the following is the most direct cause of most ATP production in cellular respiration

Select one of the following:

  • protons moving through ATP synthase

  • glucose splitting

  • electrons moving down ETC

  • presence of oxygen

Explanation

Question 34 of 35

1

Breathing heavily after running a race is your body's way of

Select one of the following:

  • repaying an oxygen debt, converting lactic acid to pyruvic acid

  • making more citric acid

  • recharging the ETC

  • restarting glycolysis

Explanation

Question 35 of 35

1

Unlike photosynthesis, cellular respiration occurs in

Select one of the following:

  • all but plant cells

  • plant cells only

  • animal cells only

  • all eukaryotic cells

Explanation

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