Catalysts — Unit test Answers
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In what way are the light-dependent and light-independent reactions of photosynthesis similar?
A
Both require chemical energy to proceed.B
Both occur in the chloroplast.C
Both produce oxygen as a byproduct.D
Both involve carbon fixation.42
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Which events take place in the light-dependent reactions of photosynthesis?
A
Light energy is converted to sugars; sugars are broken down for energy.B
Light energy is captured by plants; light energy is used to make sugar.C
Light energy is converted to chemical energy; chemical energy is used to make sugar.D
Light energy is captured by plants; light energy is converted to chemical energy.43
What is the end result of meiosis?
A
four identical daughter cellsB
four different daughter cellsC
two identical daughter cellsD
two different daughter cells44
Which speeds up the reaction between carbon dioxide and RuBP to restart the Calvin Cycle?
A
light energyB
rubiscoC
3-phosphoglycerateD
glyceraldehyde 3-phosphate45
Which statement explains how ATP and its phosphate groups are related to the energy that is used in plant processes?
A
ADP loses a phosphate group to create ATP, which stores energy for making sugars.B
ADP gains a phosphate group to create ATP, which stores energy for making sugars.C
ADP loses a phosphate group to create ATP; this process instantly releases energy for making sugars.D
ADP gains a phosphate group to create ATP; this process results from sugar production.46
Which statement best distinguishes an observation from an inference?
A
An inference is likely to change based on additional observations.B
An observation is likely to change based on additional inferences.C
An observation involves assumptions, but an inference does not.D
An inference involves the senses, but an observation does not.47
The diagram shows a phase of mitosis.Which does the letter A represent in the diagram?
A
centrioleB
chromosomeC
centromereD
spindle48
Which correctly describes crossing over?
A
the process whereby non-sister chromatids exchange genetic materialB
the process whereby homologous chromosomes are pulled to opposite poles of the cellC
the process whereby sister chromatids are pulled to opposite poles of the cellD
the process whereby homologous chromosome pairs align randomly along the metaphase plateDid you find these answers helpful?
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