mimi bio unit 2 test
The energy of the electrons passing along the electron transport chain is used to produce a. lactic acid. b. citric acid. c. alcohol. d. ADP. e. ATP.
ATP
What molecule most directly provides the energy you need for your muscles to contract? a. glucose b. ATP c. NADH d. ADP e. oxygen
ATP
The light reactions act much as a battery to power the reactions of the Calvin cycle. This energy is stored as a. ATP and NADP+. b. ADP + Pi. c. ADP + Pi and NADP+. d. ATP and NADPH. e. NADPH and NADP+.
ATP and NADPH
Which compounds link the light reactions with the Calvin cycle reactions? a. ATP and NADPH b. H+ and ATP c. G3P and ATP d. H+ and G3P e. G3P and NADPH
ATP and NADPH
ATP and NADPH are both used during the Calvin cycle. What is the function of each? a. ATP supplies energy and NADPH supplies electrons for reducing power. b. ATP supplies energy and NADPH fixes CO2 so it can enter the cycle. c. Both ATP and NADPH supply energy to the Calvin cycle. d. NADPH supplies energy and ATP supplies electrons for reducing power. e. ATP and NADPH are joined into the starter molecule, RuBP, to form glucose.
ATP supplies energy and NADPH supplies electrons for reducing power
The three stages of the Calvin cycle reactions are a. NADPH reduction, CO2 fixation, and NADP+ regeneration. b. NADPH reduction, CO2 fixation, and RuBP regeneration. c. CO2 fixation, CO2 reduction, and RuBP regeneration. d. CO2 fixation, CO2 reduction, and NADP+ regeneration. e. CO2 reduction, NADPH reduction, and CO2 regeneration.
CO2 fixation, CO2 reduction, and RuBP regeneration
Yeast is used to make bread rise by producing ________ during fermentation. a. oxygen b. heat c. oxygen gas d. glucose e. CO2 gas
CO2 gas
Which organisms use Malpighian tubules to excrete uric acid? a. insects b. humans c. birds d. fish
E..None of these
What two things are added to NADP+ to convert it into NADPH? a. H+ and electrons b. electrons and ATP c. H+ and ATP d. H+ and CO2 e. electrons and CO2
H+ and electrons
Energy to drive the formation of ATP in photosynthesis is derived from a. H+ gradient. b. NADP+. c. G3P. d. NADPH. e. CO2.
H+ gradient
The O2 given off during photosynthesis is derived from which compound? a. CO2 and H2O b. RuBP c. CO2 d. NADP+ e. H2O
H2O
Your friend has been on a diet and loses 15 pounds of fat. After studying cellular respiration, how can you explain where the weight went (how it was lost)? a. It was released as carbon dioxide and water. b. It was converted to ATP, which weighs much less than fat. c. It was broken down into amino acids and eliminated from the body. d. It was converted to urine and eliminated from the body. e. It was released as oxygen and water.
It was released as carbon dioxide and water.
Which of the following is not derived from G3P? a. starch b. cellulose c. glucose phosphate d. NADP+ e. sucrose
NADP+
The _______ from the light reactions is used to reduce CO2 to a carbohydrate using energy derived from ______. a. NADPH; ATP b. NADP+; ATP c. RuBP; ATP d. NADPH; RuBP e. rubisco; RuBP
NADPH; ATP
Chlorophyll is to the light reactions as ________ is to the Calvin cycle. a. NADP+ b. carbon dioxide c. ATP d. ATP synthase e. RuBP
RuBP
Energy is released from ATP when a. adenine bonds to an additional phosphate group forming ADP. b. ATP bonds to oxygen forcing the adenine (A) to be removed. c. ATP is exposed to sunlight, which forces the phosphate groups to be removed. d. a phosphate group is removed from ATP yielding ADP + P + energy. e. ATP bonds to carbon dioxide forcing a phosphate to be removed.
a phosphate group is removed from ATP yielding ADP + P + energy
What must pyruvate be converted into before it can enter the citric acid cycle? a. lactic acid b. ethyl alcohol c. acetyl-CoA d. citric acid e. pyruvate
acetyl-CoA
The product of the preparatory reaction is a. pyruvate. b. acetyl-CoA. c. glucose. d. water. e. carbon dioxide.
acetyl-CoA.
Which of the following reactions is not part of the cellular respiration pathway? a. Calvin cycle b. glycolysis c. citric acid cycle d. electron transport chain e. preparatory reaction
calvin cycle
In photosynthesis, the light reactions ________ while the Calvin cycle ________. a. capture solar energy; converts the captured energy to chemical potential energy b. can occur only in the light; can occur only in the dark c. require the presence of ATP; makes ATP d. can only function if the stomata are open; can only occur if the stomata are closed e. use products manufactured in the dark reactions; creates products used in the dark reactions
captures solar energy; converts the captured energy to chemical potential energy
By-products of cellular respiration include a. FADH2 and NADH. b. NADH and ATP. c. oxygen and heat. d. carbon dioxide and water. e. carbon dioxide and oxygen.
carbon dioxide and water
RuBP carboxylase (rubisco) is able to bind with both a. carbon dioxide and water. b. carbon dioxide and oxygen. c. carbon dioxide and NADPH. d. oxygen and water. e. NADPH and ATP.
carbon dioxide and water
What cellular process uses oxygen to break food down, producing ATP? a. photosynthesis b. oxidation/reduction reactions c. cellular respiration d. mitosis e. meiosis
cellular respiration
When glucose is broken down to CO2 and H2O, ________ energy is released and converted into ________. a. chemical potential; ATP b. photosynthetic; ATP c. solar; NADH d. NADH; ATP e. chemical potential; NADH
chemical potential; ATP
Which of the following events does not take place in the light reactions? a. transfer of electrons to the reaction center of photosystem I b. generation of ATP from ADP + Pi c. splitting of water, releasing an electron d. generation of NADPH from NADP+ e. conversion of 3PG to G3P
conversion of 3PG to G3P
Where in the cell does glycolysis occur? a. cytoplasm b. mitochondrion c. matrix of mitochondrion d. cristae of mitochondrion e. nucleus
cytoplasm
Cellular respiration uses oxygen to convert the chemical energy stored in organic molecules into a. energy in other organic molecules. b. energy in ATP. c. energy in carbon dioxide. d. water. e. pyruvate.
energy in ATP
Sucrose, cellulose, amino acids, and starch are all made from what starter molecule in plants? a. glucose b. fructose c. glyceraldehyde 3-phosphate (G3P) d. ATP e. RuBP carboxylase
glyceraldehyde 3-phosphate (G3P)
The end product of the Calvin cycle reactions is a. glucose. b. glyceraldehyde 3-phosphate (G3P). c. sucrose. d. 3-phosphoglycerate (3PG). e. ribulose 1,5-bisphosphate (RuBP).
glyceraldehyde 3-phosphate (G3P)
Which of the following is the correct sequence of events in cellular respiration? A. glycolysis→preparatory reaction→citric acid cycle→electron transport chain B. citric acid cycle →electron transport→glycolysis→preparatory reaction C. glycolysis→ citric acid cycle→electron transport chain D. citric acid cycle →glycolysis→electron transport chain→preparatory reaction E. glycolysis→electron transport chain→preparatory reaction
glycolysis -> prep reaction -> citric acid cycle -> electron transport chain
What organelle is used during the process of cellular respiration? a. cytoplasm b. mitochondria c. chloroplast d. ribosomes e. cell membrane
mitochondria
Which of the following is not a product of cellular respiration? a. oxygen b. water c. carbon dioxide d. ATP e. ADP
oxygen
Cellular respiration is the opposite of what other cellular process? a. fermentation b. cell division c. hydrolysis d. photosynthesis e. dehydration synthesis
photosynthesis
A product of glycolysis is a. ethyl alcohol. b. lactic acid. c. pyruvate. d. oxygen. e. acetyl-CoA.
pyruvate
A four-chambered heart, veins, arteries, and capillaries are found in a. all closed circulatory systems. b. some closed circulatory systems. c. some open circulatory systems. d. all open circulatory systems. e. mammals only.
some closed circulatory systems.
Cellular respiration can be described as the conversion of the energy a. stored in food to energy stored in ATP. b. stored in ATP to energy used to do work. c. of sunlight to energy stored in inorganic compounds. d. stored in ATP to energy stored in food. e. stored in leaves to energy in food.
stored in food to energy stored in ATP.
The enzyme-rich solution found within the chloroplast is called the a. granum. b. chlorophyll. c. cytoplasm. d. stroma. e. cristae
stroma
In an open circulatory system, a. hemolymph enters the heart via ostia. b. blood leaves the heart via venules. c. the heart has two or more chambers. d. nutrients are exchanged across the walls of capillaries. e. blood is pumped into cavities called ventricles.
the heart has two or more chambers
Inside the chloroplasts, chlorophyll is found in the a. mesophyll. b. thylakoid space. c. thylakoid membrane. d. stroma. e. cytoplasm.
thylakoid membrane
The light-harvesting complexes of a chloroplast are located in the ________; the enzymes of the Calvin cycle reactions are located in the ________. a. thylakoid membrane; stroma b. stroma; thylakoid space c. thylakoid space; thylakoid membrane d. stroma; thylakoid membrane e. thylakoid space; stroma
thylakoid membrane; stroma
During photosynthesis, ________ is oxidized, while ________ is reduced. a. water; carbon dioxide b. carbon dioxide; water c. carbohydrate; carbon dioxide d. carbon dioxide; carbohydrate e. carbon dioxide; oxygen
water; carbon dioxide