Benefits associated with symbiotic relationships might include all of the following except:
A. nutrients.
B. shelter.
C. assistance in reproduction.
D. the growth of energy-consuming
structures.
E. protection.
C
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Which of the following is not a termination codon?
A. UAG B. UGA C. UAA D. AUG
Animal diseases transmissible to humans are known as
A) vectors. B) zoonoses. C) ferals. D) radicals.
A diploid cell only has two copies of most genes, but can make hundreds of copies of a protein from those genes per second because
A. the DNA can replicate during transcription, producing double-sided mRNA to accelerate the translation process. B. transcription can repeat and make multiple mRNA copies of genes, and multiple ribosomes can translate the same mRNA. C. multiple ribosomes can actively attach to the template DNA and conduct translation immediately after transcription. D. multiple copies of the same mRNA can be produced with multiple promoter sequences to simultaneously initiate multiple ribosomes. E. multiple codons can encode for the same amino acid, allowing different versions of the protein to be made.
Demographic studies include all of the following except what?
A. age structure B. growth rates C. mortality and survivorship curves D. sex ratio E. measurements of interspecific competition