Which nucleotide is not found in rna?
a. adenine
b. guanine
c. thymine
d. uracil

Which of the following is a difference between a food chain and a food web? selected: a. food webs contain both plants and animals. food chains only contain animals. this answer is incorrect. b. food webs show energy transfer. food chains show which animal eats which animal. c. food webs separate organisms by tropic level. food chains do not. d. food webs are a complex patterns of energy flow. food chains only show one line of energy flow.

Which term refers to the total dollar value of the goods and services produced in a country in a year?

The first amino acid of a new polypeptide chain is