In a population of Biology instructors 250 out of 1000 have a receding hairline; the rest do not Assume that having a receding hairline is completely recessive and is controlled by a signle genetic
locus. Calculate the following:
A. The allele frequencies of each allele.
B. The expected genotype frequencies.
C. The number of heterozygous individuals that you would predict to be in this population

the backbone of the dna and rna compound is sugar phosphate.

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enzyme active site and substrate specificity

enzymes bind with chemical reactants called substrates. there may be one or more substrates for each type of enzyme, depending on the particular chemical reaction. in some reactions, a single-reactant substrate is broken down into multiple products