Answer:
compounds
Explanation:
i just did this test and said it was compounds
Answer: A
Explanation: Pure element because compound for is something that disslove with another compound to form another cycle
for example a cake
and free atoms is........well i not really sure. but i do know pure elements is the answer because sugar, and other things are what weeeeeeee
b. small sizes
c. varied shapes
d. methods of movement
b. doing research how plastic affect the environment
c. study on the manufacture of plastic bags.
d. studying the mechanics of how ships release waste
associated with allowing for
the growth of multicellular
individuals?
b: a phosphate group, a pentose sugar, a carboxylic acid
c: a pentose sugar, a nitrogen base, an R group
d: a nitrogen base, an amino acid group, a carboxylic acid
Answer:
a phosphate group, a pentose sugar, a nitrogen base
Explanation:
nucleic acid is a polymeric macromolecule made up of repeated units of monomeric 'nucleotides' composed of a nitrogenous heterocyclic base which is either a purine or a pyrimidine, a pentose (five carbon) sugar (either ribose or 2′-deoxyribose), and one to three phosphate groups.