Chapter 8 AP Bio
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21 Terms
Which of the following components is not used by both plants and cyanobacteria to carry out photosynthesis?
Chloroplast
Why are chemoautotrophs not considered the same as photoautotrophs if they both extract energy and make sugars?
Chemoautotrophs extract energy from inorganic chemical compounds.
In which compartment of the plant cell do the light-independent reactions of photosynthesis take place?
Stroma
What is a part of grana?
Thylakoids
What are two major products of photosynthesis?
sugars/carbohydrates and oxygen
What is the primary energy source for cells?
Glucose
Which portion of the electromagnetic radiation originating from the sun is harmful to living tissues?
ultraviolet
The amount of energy in a wave can be measured using what trait?
Wavelength
What portion of the electromagnetic radiation emitted by the sun has the least energy?
Radio
What is the function of carotenoids in photosynthesis?
They absorb excess energy and dissipate it as heat.
Which of the following structures is not a component of a photosystem?
ATP synthase
Which complex is not involved in producing the electrochemical gradient for of ATP synthesis?
Antenna complex
What can be calculated from a wavelength measurement of light?
the amount of energy of a wave of light
Which molecule must enter the Calvin cycle continually for the light-independent reactions to take place?
CO2
Which order of molecular conversions is correct for the Calvin cycle?
RuBP + CО2→ [RuBisCO]3-PGA → G3P
Which statement correctly describes carbon fixation?
the conversion of CO2 into an organic compound
Which substance catalyzes carbon fixation?
RuBisCO
Which pathway is used by both plants and animals?
cellular respiration
Which of the following organisms is a heterotroph?
Intestinal bacteria
What is the role of rribulose 1,5, bisphosphate carboxylase/oxygenase, abbreviated RuBisCO, in photosynthesis?
It catalyzes the reaction between CO2 and ribulose bisphosphate (RuBP).
What is the product of the Calvin cycle?
glyceraldehyde-3-phosphate