A single chromosome has

A. multiple genes, each with a single allele.
B. a single gene with multiple alleles.
C. multiple genes, each with multiple alleles.
D. a single gene with a single allele.
E. All of the answer choices are correct.


A. multiple genes, each with a single allele.

Biology & Microbiology

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In the process of biological evolution, new species may evolve through exchange of genes from one species to another. This process is called

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Which is incorrect about enzymes?

A. A noncompetitive inhibitor of enzymes interferes with the active site of the enzyme. B. In humans, extremely high fevers can be fatal because enzymes begin to unfold and stop working. C. Many drugs, like statin drugs, work by inhibiting key enzymes in cells. D. Enzymes need to have a precise shape to work correctly. E. Some enzymes can work in extreme temperatures or very low pH.

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Which of the following is responsible for nearly 100,000 human deaths worldwide every year?

A) Entamoeba histolytica B) Amoeba proteus C) plasmodial slime molds D) Dictyostelium discoideum

Biology & Microbiology

Which of the following should be the general rule to follow in a weight training program that increases muscle strength?

What will be an ideal response?

Biology & Microbiology