Why can't your body produce proteins from carbohydrates and fats alone?
A) Because the amine group of an amino acid has to have a nitrogen atom.
B) Because the side group of an amino acid has to have an oxygen atom.
C) Since the fats are made of nonpolar structures, they cannot combine with the carbohydrates to form proteins.
D) Because the carboxylic acid group must have a nitrogen atom.
Question 2
How does p-type silicon differ from pure silicon?
A) There are other elements with more valence electrons than silicon in the silicon matrix.
B) There are extra positive charges in the silicon matrix.
C) There are no positive charges available.
D) There are other elements with less valence electrons than silicon in the silicon matrix.
E) There are extra silicon atoms resulting in distortion of the silicon matrix.
Gas exchange across body surfaces.
Detritivores are often classified according to their body size as microflora, microfauna, mesofauna,
Muscles of the Body, Anterior View
Ways to Measure Percentage of Body Fat
Acoelomate body plan of a flatworm
Body plan of a lobster (Homarus americanus)