What Are the Three Components of a Nucleotide

question 160

Multiple Choice

What are the three components of a nucleotide?

• A) ribonucleic acid, base pairs, phosphate backbone
• B) pentose, nitrogenous base, phosphorus
• C) 5 -carbon carbohydrate, phosphate, nitrogenous base
• D) deoxyribonucleic acid, base pairs, phosphate/sugar backbone
• E) pentose sugar, 5 -carbon carbohydrate, phosphate

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Definitions:

Genetic Variation

The diversity in gene frequencies within a population, which contributes to the population's ability to adapt and evolve.

Additive Effects

The combined effect of different genes, where the overall effect is the sum of the individual effects of each gene.

Phenotypic Plasticity

Phenotypic plasticity refers to changes in the phenotype produced by a single genotype in different environments.

Reaction Norm

Reaction norm refers to the pattern of phenotypic expression of a single genotype across a range of environments. In a sense, reaction norms depict how development maps the genotype into the phenotype as a function of the environment.