Which term best describes a molecule of ATP? A. a triphosphate
B. a phospholipid head
C. a phosphorylated DNA nucleotide
D. a modified RNA nucleotide
E. a glycosidic group

What is a codon and where is it found

An ecologist studied the same species of deer during the summer and the winter. she noticed that during the summer, when there was plenty of food, the deer were energetic and playful. however, during winter when food was scarce, the deer moved more slowly and did not run unless they needed to escape a predator. which scientific fact is best supported by her observations?

Which kind of worm has a closed circulatory system? a planarian b fluke c pinworm d an earthworm