How do systems in organisms prove that organisms are related?

What is the term for the procedure in which a woman's ova are removed from her ovaries and a man's sperm are used to fertilize the ova in a laboratory?

During replication the strands of a double stranded dna molecule separate when the bonds are broken between their paired bases. explain why, in terms of the genetic code, is it important that the molecule separate between the bases

Which macromolecule gives the body the energy it needs to carry out cell functions

Neurotransmitter molecules are removed from a synapse by a) being abosorbed by adjoining muscle tissues b) being broken down by enzymes c) being reabsorbed by the presynaptic neuron d) both (B) and (C)

Which descriptions accurately apply to vascular plants? Check all that apply. have true roots, stems, and leaves do not have true roots, stems, and leaves may have seeds may not have seeds have vascular tissue do not have vascular tissue

To make 1+1=1 what need to happen to the DNA of the parents

Provide two examples of marine organisms that could experience negative impacts because of an ocean with a lower (more acidic) pH.

The mating of a horse and a donkey produces a mule, which is a viable offspring that is infertile. We would conclude that A. A house and a donkey are members of the same species B. A mule can fall into the species lines of both a mule and a horse. C.

How does waste move from the kidney to the bladder in the human excretory systems

A plant uses energy from the Sun to make food. What kind of energy transformation is this? a. light energy to chemical energy b. chemical energy to light energy c. mechanical energy to chemical energy d. light energy to mechanical energy