Choose the list that is correct in order of size from largest to smallest.
A) amino acids, genes, carbon dioxide, DNA
B) genes, amino acids, DNA, carbon dioxide
C) carbon dioxide, amino acids, genes, DNA
D) DNA, genes, amino acids, carbon dioxide
E) DNA, genes, carbon dioxide, amino acids
Question 2
Which of the following is true about the ages and masses of spiral and elliptical galaxies?
A) Ellipticals are all older and more massive than spirals.
B) Spirals are older, and much more massive than ellipticals.
C) Both types are about the same age, but spirals vary less in mass.
D) Spirals are younger and much more massive than any elliptical.
E) Ellipticals are older, and show a far wider range of masses than do spirals.
Largest Predators
An example of an EHR screen used to order a laboratory test.
Binary Acids and Their Properties
Afterload is the pressure that the ventricles must overcome in order to open the aortic and pulmonic
The pH scale: Acids, Bases, and Buffers and Body Fluids in Flux
Four bacterial amino acid operons with attenuator control of transcription