It is presumed that the peroxisomes evolved in these primitive, proto-eukaryotes to remove oxygen, which was toxic to the primitive cells.
a. true
b. false
Ans: a. true
Biology & Microbiology
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Which of the following is a deforested area
more likely to experience? a. nutrient poor soils. b. soil loss. c. loss of species diversity. d. warmer temperatures. e. all of these.
Biology & Microbiology
During the initiation step of transcription, which molecule binds the promoter region of a DNA molecule?
A) DNA polymerase B) Reverse transcriptase C) RNA polymerase D) DNA primase E) Topoisomerase
Biology & Microbiology
A contractile ring forms in which type of cells?
A) Plants B) Animal C) Animals and plants D) Bacteria and plants
Biology & Microbiology
Enhancers are said to be cis-acting. What is meant by cis-acting, and what are enhancers?
What will be an ideal response?
Biology & Microbiology