Complete the following sentence. Gregor Mendel developed the system of ___ cross-breeding in the 1800's.

Apatient is in need of hydration. which type of solution are the patient's cells most likely in?

Before the can be observed by using a transmission electron microscope, cells are sliced into very thin sections. what disadvantage does this procedure present in the study of cellular parts

Which way do the nitrogenous bases in dna pair up? a. a and g; t and c b. a and c; t and g c. a and t; g and c d. a and a; t and t; g and g; c and c