Bio 6

A product of glycolysis is ________. A. pyruvic acid B. lactic acid C. O2 D. ethyl alcohol

A

Because of the energy from the electrons in the electron transport system, ______ are moved across the mitochondrial membrane a. hydrogen ions b. electrons c. water d. oxygen

A

Human muscle cells use lactic acid fermentation to ________. A. produce ATP without O2 B. produce more ATP than is possible through complete aerobic respiration C. produce ATP using the electron transport chain D. regenerate NADH

A

Plant cells ________. A. have chloroplasts and mitochondria B. use carbon dioxide but do not use oxygen C. do not need chloroplasts because their mitochondria meet their energy needs D. do not need mitochondria because their chloroplasts meet their energy needs

A

The first electron acceptor of cellular respiration is ________. A. NAD+ B. O2 C. CO2 D. H2O

A

When pyruvic acid is converted to Acetyl CoA, ____carbon dioxides are made and ____NAD+s are "loaded". a. 2, 2 b. 2, 8 c. 4, 8 d. 3, 12

A

Which of the following is a result of glycolysis? A. conversion of glucose to pyruvic acid B. production of CO2 C. conversion of NADH to NAD+ D. a net loss of two ATPs per glucose molecule

A

Which of the following metabolic pathways is common to both aerobic and anaerobic processes of sugar breakdown? A. glycolysis B. conversion of pyruvic acid to lactic acid C. the electron transport chain D. the citric acid cycle

A

Which part of cellular respiration produces the most NADH? A. citric acid cycle B. fermentation C. electron transport chain D. glycolysis

A

Place the processes of cellular respiration in the correct order, with 1 being the first process. A. Glycolysis B. Citric acid cycle C. pyruvic acid concerted to Acetly CoA D. Electron Transport and ATP synthesis

A,C,B,D

ATP synthase plays a role in ________. A. pumping hydrogen ions across the inner mitochondrial membrane B. generating ATP C. glycolysis D. pulling electrons down the electron transport chain`

B

Anaerobic respiration produces a maximum of ________ ATP per glucose. A. 10 B. 2 C. 0 D. 32

B

Electron transport takes place in the ________. A. ribosomes B. mitochondria C. cytoplasm D. chloroplasts

B

NADHs and FADs deliver ______to the electron transport system a. oxygen b. electrons c. adenosine d. carbon

B

Photosynthesis is critical in God's plan to preserve many creatures because a. it produces glucose b. all of the above c. it converts light energy into food energy for most creatures d. the converted light energy in glucose yields ATP

B

Plants use photosynthesis to A. change light energy into sugars. B. store chemical energy, and they use cellular respiration to harvest energy. C. change light energy into chemical energy as well as to harvest chemical energy. D. harvest energy, and they use cellular respiration to store chemical energy.

B

The final electron acceptor of aerobic respiration is ________. A. lactic acid B. oxygen C. NAD+ D. ATP

B

The protein structure in the mitochondrial membrane that generates ATP with the passage of hydrogen ions is _______ a. ATP reductase b. ATP synthase c. ATP oxidase d. ATP catalase

B

What must pyruvic acid be converted to before it can enter the citric acid cycle? A. citric acid B. acetyl CoA C. lactic acid D. ethyl alcohol

B

Which of these equations describes aerobic cellular respiration A. energy + carbon dioxide + water → glucose + oxygen + water B. glucose + oxygen → carbon dioxide + water + energy C. glucose → lactic acid + energy D. none of the above

B

ATP synthase plays a role in ________. A. pulling electrons down the electron transport chain B. pumping hydrogen ions across the inner mitochondrial membrane C. generating ATP D. glycolysis

C

Aerobic cellular respiration generates about ________ ATP from one glucose. A. 6 B. 2 C. 32 D. The number generated depends on whether the end product of aerobic respiration is lactic acid or ethyl alcohol.

C

An aerobic creature does anaerobic respiration when a. there is a lack of glucose in the blood stream b. when there is a buildup of carbon dioxide in the blood stream c. when there is a lack of oxygen in the blood stream d. when there is a surplus of ATP in the blood stream

C

Humans are both ________. A. producers and decomposers B. heterotrophs and producers C. heterotrophs and consumers D. autotrophs and producers

C

Photosynthetic organisms are ________. A. producers that make all of their organic matter from organic molecules that they take in B. consumers that obtain organic molecules from other living organisms C. producers that make all their own organic matter from inorganic molecules D. decomposers that obtain nutrients from the soil

C

Respiration describes the exchange of gases between your blood and the air. Cellular respiration ________. A. uses carbon dioxide B. produces oxygen C. produces ATP D. produces glucose

C

The ultimate source of the energy in food is ________. A. ATP B. producers C. the sun D. consumers

C

The waste products of cellular respiration include ________. A. water only B. carbon dioxide only C. water and carbon dioxide D. water and glucose

C

What waste product do yeast produce under anaerobic conditions? A. creatine B. pyruvic acid C. ethyl alcohol D. lactic acid

C

Which of the following are produced as a result of cellular respiration? Select one: A. carbon dioxide and ATP B. oxygen and glucose C. carbon dioxide, water, and ATP D. ATP and water

C

Which of these stages of cell respiration can occur without the others? A. the electron transport chain B. the citric acid cycle C. glycolysis D. lactic acid fermentation

C

A horse eating some hay is an example of ________. A. a consumer eating a heterotroph B. an autotroph eating a producer C. an autotroph eating a consumer D. a consumer eating a producer

D

A process is referred to as aerobic if it requires ________. Select one: A. carbon dioxide B. ATP C. carbohydrates D. oxygen

D

All of the following are descriptions of anaerobic fermentation except a. produces alcohol and lactic acid b. do not use oxygen c. produces 2 ATP per glucose molecule d. involves only the citric acid cycle

D

All the following statements are true about the electron transport system (ETS) except a. ETS energy drives ATP synthase machines b. ETS is a sequence of molecules that accept the electrons for NADH and FADH2 c. ETS is imbedded in the inner mitochondrial membrane d. ETS is the source of carbon dioxide

D

Before pyruvic acid goes into the citric acid cycle, it is changed into ________ which has ______carbon atoms a. glucose, 12 b. NADH, 2 c. carbon dioxide, 2 d. Acetyl CoA, 2

D

During cellular respiration, electrons move through a series of electron acceptor molecules. Which of the following is a TRUE statement about this process? Select one: A. Glucose is eventually reduced (accepts electrons) by the electrons to form water. B. The electrons gain energy as they move from one electron acceptor to another. C. The electrons release large amounts of energy each time they are transferred from one electron acceptor to another. D. Oxygen is eventually reduced (accepts electrons) by the electrons to form water.

D

In aerobic respiration, how many molecules of acetic acid are produced from each molecule of glucose? A. 6 B. 38 C. 1 D. 2

D

In cellular respiration, most ATP is produced DIRECTLY as a result of ________. Select one: A. fermentation B. the citric acid cycle C. modifying pyruvic acid to form acetyl CoA. D. the movement of hydrogen ions across the inner mitochondrial membrane

D

Lactic acid build up in muscles is a sign that ________. A. the muscles will be able to operate continuously for a long time B. aerobic respiration capacity has not been reached Incorrect. Insufficient oxygen is available. The muscle cells have switched to fermentation. C. respiration is operating effectively D. insufficient oxygen is reaching the muscles

D

The protein structure in the mitochondrial membrane that generates ATP with the passage of hydrogen ions is _______ a. ATP reductase b. ATP oxidase c. ATP catalase d. ATP synthase

D

The second stage of aerobic respiration is ________. A. ATP production B. lactic acid fermentation C. glycolysis D. the citric acid cycle

D

What compound directly provides energy for cellular work? Select one: A. glucose B. water C. fat D. ATP

D

Where in the cell does glycolysis occur? Select one: A. between the inner and outer mitochondrial membrane B. endoplasmic reticulum (ER) C. within the fluid just inside the inner mitochondrial membrane D. cytoplasm

D