We Know That DNA and RNA (Each with Four Nucleotide

question 48

Multiple Choice

We know that DNA and RNA (each with four nucleotide components) both use a three nucleotide genetic code and 64 codons (4³ = 64) .Knowing that the minimum number of codons for the genetic code is 21 (20 amino acids,1 stop codon) ,what codon size would be required if only three nucleotides were present in the genome?

• A)2 nucleotides per codon
• B)3 nucleotides per codon
• C)4 nucleotides per codon
• D)5 nucleotides per codon
• E)6 nucleotides per codon

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Definitions:

Self-Esteem

The subjective evaluation or perception of one's own worth or importance.

Adaptive Value

The adaptive value of a trait or behavior pertains to its effectiveness in helping an organism survive and reproduce in its environment.

Conservation

The protection, preservation, management, or restoration of wildlife and natural resources.

Attachment

An emotional tie with another person; shown in young children by their seeking closeness to the caregiver and showing distress on separation.