How many heterozygous alleles are there in these homologous chromosomes?

a) 2

b) 3

c) 4

d) 5

Aballoon inflated with three breaths of air has a volume of 1.7 l. at the same temperature and pressure, what is the volume of the balloon if five more same-sized breaths are added to the balloon?

What is the ima of the 1 st class lever in the graphic given? 2 3 0.5

Which of the following represents the ester functional group? a. -coo- b. -cho c. -cooh d. c=o