Answer the following statements true (T) or false (F)
1. Most oncogenes encode proteins that function in cell growth signaling pathways.
2. p53 is a tumor suppressor gene that acts as a sensor of DNA damage.
3. Certain types of cancer are caused by viruses.
4. Sexual life cycles include both haploid and diploid stages.
1. TRUE
2. TRUE
3. TRUE
4. TRUE
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Homologous chromosomes have which of the following?
a. the same genes at the same locus b. the same genes at different loci c. different genes at the same locus d. different genes at different loci
FISH analysis is useful for determining the
A) order of DNA fragments in a BAC. B) pattern of expression of a cloned gene. C) chromosomal location of a gene. D) map order of two closely linked genes.
The biological macromolecule that is least soluble in water is a(n)
A. lipid. B. enzyme C. nucleic acid. D. protein. E. carbohydrate.
________ is the hormone released by the pancreas to lower levels of glucose in the blood.
Fill in the blank(s) with the appropriate word(s).