Which of the following statements is untrue?
roughage takes a long time to digest.
birds eat large quantities at one time so that they can fly long distances.
cows do not have upper teeth.
in pseudo-ruminants, roughage is digested in the cecum.

Monomers are the building blocks of larger molecules, called polymers. for example, proteins are composed of chains of amino acids that are linked together. cellulose is a polymer that makes up plant cell walls. cellulose is made from a chain of c6h10o5 molecules. which monomers are most likely used to produce cellulose? why?

Which of the following determines the specificity of a dna probe? a. type of radiation b. level of enzymatic activity c. number of neutrons d. complementary base pairing

How and why organisms are hierarchically classifies