A fruit that develops from several ovaries in a single flower, such as a raspberry, is called a(n) ____
a. aggregate fruit
b. accessory fruit
c. multiple fruit
d. simple fruit
e. compound fruit
ANSWER: a
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Of the G3P generated in the Calvin cycle, 5/6 will be used to regenerate RuBP. A company
manufacturing widgets would go out of business if 5/6 of the widgets were recycled at the manufacturing site rather than being sold. And yet plants survive this extreme inefficiency. Why?
a. Actually, 5/6 of the G3P is used to build glucose and only 1/6 of the G3P is needed to regenerate RuBP. b. Plants are extremely efficient in other ways and that compensates for this anomaly. c. There is unlimited CO2 for the plant to use, so it's okay to "waste" some by regenerating RuBP. d. The plant expends no energy to acquire the light energy that drives the Calvin cycle, so there is no pressure on the system to become more efficient. e. The cyclic pathway of the light reactions compensates for the energy lost in RuBP regeneration.
Which plant has a jointed hollow stem with reduced megaphylls?
a. moss b. horsetail c. club moss d. whisk fern e. hornwort
Any change in the normal nucleotide sequence that codes for an amino acid is called a ___________________________________.
mutation replication translation transcription protein synthesis
Protists
A) develop embryos during reproduction. B) are prokaryotic. C) carry out photosynthesis without chloroplasts. D) form a single clade. E) obtain nutrition through a variety of different methods.