Chargaff's rules of DNA structure states that

A + T = G + C.

A + G = T + C.

A = C, T = G.

A = T, G = C.

the number of purines in DNA never equals the number of pyrimidines.

Which parameter of the hydrosphere always remains constant

In a healthy human approximately how many erythrocytes would be present in a drop of blood mm3

Which planets have rings? Check all that apply. A. Jupiter B. Mercury C. Satum D. Venus E. Uranus F. Neptune G. Earth H. Mars

Supply decreases demand decreases effect

Which three substances make up each of the smaller molecules that form proteins

What is the name of the bond that is on the sides of the dna molecule?

The largest increase in birth rate occurred during which time period?

Blood lipids are a category of fatty acids, which are substances used within the body to perform essential functions. Which category of blood lipids is involved in the formation of atherosclerotic plaques?

Psychiatrists represent what percentage of all doctors suspended from medicaid for fraudulent practices?

After a hypothesis has been repeatedly tested and becomes widely accepted, it is considered a