________ ________ are required organic compounds because they are essential cell components or precursors of such components that cannot be synthesized by the organism.
Fill in the blank(s) with the appropriate word(s).
Growth factors
You might also like to view...
A metabolic reaction requires 10 units of enzymatic activity to proceed. If a dominant allele D can generate 8 units of enzyme and a recessive allele d can generate 2 units of enzyme, what can be said of the dominant wild-type allele?
What will be an ideal response?
Tubular reabsorption occurs when most of the fluid and solutes move back into the ________
Fill in the blank(s) with correct word
As the trees in England become less sooty due to
pollution controls on factories, which of the following should occur? a. Fewer dark moths should survive. b. Numbers of dark and light moths won’t change due to stabilizing selection. c. Genetic mutations will be reversed. d. More light-gray moths should survive. e. Fewer dark moths should survive, and more light-gray moths should survive.
Which lineage includes the tuatara as one of its only two living members?
a. Squamata b. Testudines c. Sphenodontia d. Amphibia