How does gel electrophoresis separate DNA fragments from each other?

How many water molecules would be produced in making a polypeptide that is 14 amino acids long?

A nucleotide does NOT contain a. a 5 -carbon sugar b. an amino acid c. a nitrogen base d. a phosphate group

Suggest a reason why the rate of color change changes as temperature changes: __________________________________________________________________________________________________________________________________________

Why do the leaves of some trees change color in autumn?

Transgenic bacteria can be used to make human insulin. Explain how bacteria can produce a human protein.

The equilibrium constant Kc for the reaction I2(g) <=> 2I(g) is 3.8×10^-5 at 727 °C. Calculate Kc and Kp for the equilibrium 2I(g) <=> I2(g)

Identical twins are technically clones of each other but can differ in both appearance and behavior. How is it possible that two people with the same genome could be different?

Some fruits and vegetables are the result of crossing different species. A tangelo, for example, results from crossing a tangerine with a grapefruit. How are the genetic engineering processes of making transgenic organisms similar to and different from crossbreeding?.

A plant can send out a runner that will sprout a new plant that is a clone of the "parent." Single-celled organisms divide in two, forming two clones. How is the cloning of an animal similar to and different from the cloning that happens in nature?

How are restriction maps and DNA fingerprints similar? How are they different? Explain your answers.

How are DNA microarrays related to genomics?

What is gene therapy, and how might it be used as a treatment for cancer or for genetic disorders?

How are pedigree analysis and DNA testing used together in genetic screening?