The invention of the microscope made it possible for people to discover
a-plants
b-skin
c-animals
d- cells.

Which environmental change would most likely result in bullfrog offspring that are able to store more water than bullfrogs in previous generations?

In figure 1-2 what is the distance from point b to point c?

Accuracy in the translation of mrna into the sequence of amino acids in a polypeptide depends on specificity in which of the following? 1) binding of ribosomes to mrna 2) shape of the a and p sites of ribosomes 3) attachment of amino acids to trnas 4) bonding of the anticodon the codon and the attachment of amino acids to trnas