Pick all the characteristics below that describe compounds

two or more elements

chemically combined elements

one type of atom

cannot be separated into a simpler form

definite proportions

How much does outer space weight

What is biology and why is it important to you as healthcare professional

Who proved that cells come from pre existing cells

What is the most common reason that one species would mimic the appearance of another species?

To form proteins amino acids must make what bonds between one another

A specific molecule was separated from a yeast cell and then placed in a flask to find out if it would bind to another molecule. This type of experimental design is called a (n) A. in vitro observation B. occupational cohort study C.

If one is experiencing difficulty sleeping, like with insomnia, he or she may go to their family doctor. What type of drug is the doctor most likely to prescribe to assist the person in falling asleep?

As you examine a soil sample under your microscope, you note the presence of tiny, worm-like organisms. You immediately suspect that these creatures are nematodes.

A proton gradient across the mitochondrial inner membrane is a requisite for the synthesis of ATP. What contributes to the creation of this proton gradient?

Peter has been seeing a counselor for problems in his sexual life. Peter's counselor referred him to an urologist to treat his problem.