The oldest prokaryotic and eukaryotic organisms formed during what era?
Select one:
a...
Biology, 09.03.2021 17:40 alkaline27
The oldest prokaryotic and eukaryotic organisms formed during what era?
Select one:
a.
Mesozoic
b.
Paleozoic
c.
Precambrian
d.
Cenozoic
Answers: 3
Biology, 22.06.2019 13:20
Which of the following determines the specificity of a dna probe? a. type of radiation b. level of enzymatic activity c. number of neutrons d. complementary base pairing
Answers: 1
Biology, 22.06.2019 17:00
In cattle a single gene with two alleles determines fur color the fur can be red white or roan roan fur has both red and white hair which of the following statements is true a the allele for roan fur color is dominant over red and white fur color b the allele for red fur color is dominant over white and roan fur color c the roan and white alleles are expressed independently of the other d the red and white alleles are expressed independently of each other
Answers: 1
Biology, 22.06.2019 18:00
Prokaryotic and eukaryotic cells are different in many ways other than the presence or absence of a nucleus. if both archaebacteria and eubacteria are prokaryotic cells, then why are archaebacteria more closely related to eukaryotic cells than they are to eubacteria?
Answers: 3
Biology, 22.06.2019 20:30
Many birth-control pills release a constant amount of synthetic estradiols and progesterone for 21 days. true or false
Answers: 2
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