Protobionts produced by abiotically produced polypeptides are called:a
prokaryotes.
b. stromatolites.
c. microspheres.
d. peptidebionts.
e. polybionts.
C
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For a gene with two alternative alleles, A (with a frequency of p) and B (with a frequency of q), the term in the algebraic form of the Hardy-Weinberg equilibrium for the heterozygote genotype frequency is
A. p2. B. q2. C. 2pq. D. (p+q)2. E. 2Aa.
Why is pollen considered an important adaptation to land?
What will be an ideal response?
Organisms that are used to decontaminate soils may
a. store the contaminants in their tissues. b. release pollutants into the air. c. degrade the pollutants. d. be any plant species. e. a, b, and c.
The portion of the electromagnetic spectrum visible to the human eye is known as ________.
Fill in the blank(s) with the appropriate word(s).