For a trait, dominant alleles mask

What will be an ideal response?


the expression of recessive alleles.

Biology & Microbiology

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One important aspect of self-incompatibility is to prevent:

A. expression of deleterious homozygous recessive genes B. genes that may prevent pollen germination C. factors that keep pollen from developing D. matings between different species of plants E. adherence of pollen to the stigma surface

Biology & Microbiology

Reference is often made to adapter molecules when describing protein synthesis in that they allow amino acids to associate with nucleic acids. To what class of molecules does this term refer?

What will be an ideal response?

Biology & Microbiology

Which stage of aerobic respiration requires an input of two ATP?

A. glycolysis B. acetyl CoA formation C. citric acid cycle D. electron transfer phosphorylation E. fermentation

Biology & Microbiology

The basic tool of genetic regulation is the ability of certain proteins to bind to specific

A. promoter parts of the gene. B. repressor parts of the gene. C. regulatory DNA sequences. D. regulatory RNA sequences. E. enzymes of the cell.

Biology & Microbiology