A scientist observes a cell that is surrounded by a cell wall and that lacks a nucleus and membrane-bound organelles. what can the scientist conclude about the cell?

Which of the following is a nucleoside analog commonly used as a reverse transcriptase inhibitor in the treatment of HIV? acyclovir ribavirin adenine-arabinoside azidothymidine

Hn Doe has decided to clone himself. He is sterile. He cannot find anyone to marry him. He wishes to have children. He knows that he will not be able to love a child that is adopted or not connected directly to him biologically.

Which type of limiting factor affects a large population more than it affects a small population? O density dependent O density independent O population dependent O population independent

How to use cleavage in a sentence

Scientists produce plants from tissue culture in the lab. The new plants are produced under sterile conditions, to produce clones of the parent plant. The new plants A) have traits of both parents. B) are identical to the parent plant.

People generally know that citrus fruits are good food sources of vitamin C, but there are plenty of non-citrus sources as well. What are some of the non-citrus foods are good sources of vitamin C?

what is the presence of different genes on the same chromosome, is it linkage?, diploid?, haploid?, autosome?, or chromosome theory

Which of the following statements about hormones are correct? (A) Hormones can be peptides, steroids, or amino acid derivatives. (B) Hormones can stimulate the synthesis of target proteins through the activation of specific genes.

An atom with a net positive charge must have more

Amino acids are carried to ribosomes by what?