Nucleotides are the units found in nucleic acids and are composed of a phosphate a sugar and a nucleotide base. Look at the picture below. The following are the nucleotide bases found in the nucleotides that make up dna in living this their names are shown as the following letters.

Select the situation bellow that would produce a total displacement of zero. a. a trip to the moon and then to mars b. a horse galloping from one end of a field to another c. the criss-crossing path of a bug as it flies from flower to flower d. a round-trip ride to school and back

What can be said about farmers in highly developed countries? a) they have little or no negative impact on the environment. b) they practice subsistence agriculture. c) they are able to incorporate polyculture into their farming practices. d) they utilize organic farming techniques on a regular basis. e) they rely on large amounts of energy from fossil fuels.

In a cladogram' when does a group of organisms branch off