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A bacterial cell must have ________ in order to transfer portions of its chromosome to another cell by conjugation.

With regard to a chemical reaction, which of the following do enzymes accomplish?

The polysaccharide that is used for storing energy in animal cells is called: 

Which of the following statements is true regarding a difference between transporters and channels?

What is TRUE of restriction enzymes?

Which protein is involved in synthesizing messenger RNA (mRNA) in eukaryotes?

A P-generation cross was made between a true-breeding plant with yellow/round seeds and a true-breeding plant with green/wrinkled seeds. All of the F1 seeds were yellow/round. If the F1 offspring were self-fertilized, what is the expected F2 phenotypic ratio?

The influenza virus is typical of many animal viruses in that it has an envelope composed of lipids and glycoproteins. Which of the following statements about the envelope is ACCURATE? 

What happens when allolactose levels increase in E. coli?

You breed a black, long-haired rabbit with a white, short-haired rabbit. All of the offspring have long, black hair. If the genes for hair color and length are closely linked on the same chromosome, what would you expect to see in the F2 generation?  Assume that crossing over can occur between these two genes.