Coat color in mice is determined by two independently assorting but interacting genes. The dominant allele at the Black locus (B) results in a black pigment being deposited in the fur; the recessive allele (b) leads to no pigment being made and an albino phenotype. The dominant allele (A) at […]

Determine the sequence of a peptide consisting of 14 amino acids on the basis of the following data: (Note: when the sequence is notknown, the amino acids are separated by a comma) Amino acid composition: 4S,2L, F, G, I, K, M, T, W, Y N-terminal analysis:S Carboxypeptidase digestion:L Trypsin digestion: […]

Consider the following mutations in the indicated genes of the lac operon. Given the growth conditions listed, predict the relative rate of transcription of the operon in each case. Answer OFF or ON, and if you answer ON, say if the transcription rate would be LOW, or HIGH, as appropriate. […]

1. Explain how osmotic pressure and hydrostatic pressure regulate the exchange of fluid and solutes across capillaries. 2. Why does the cell need both mRNAand tRNA in order to synthesize a protein like hemoglobin? 3. Explain how osmotic pressure and hydrostatic pressure regulate the exchange of fluid and solutes across […]