Which of the following prokaryotic nutritional
groups use organic substances for both carbon and
energy?
a. photoautotrophs
b. chemoautotrophs
c. photoheterotrophs
d. chemoheterotrophs
e. none of these
Answer: d
You might also like to view...
Deformities in frogs are thought to be related to ________
a. pesticide contamination b. infections of a parasitic fluke c. excess nutrients in water from agricultural runoff d. all of the choices
An analysis of plasma or nuclear membrane
would yield
a. cellulose and chitin. b. suberin and cutin. c. phospholipids and proteins. d. microtubules and microfilaments. e. phospholipids and nucleic acids.
A base-pair substitution may alter a protein by changing an amino acid or by introducing a(n)
_____________________. Fill in the blank(s) with the appropriate word(s).
Genes for self-incompatibility usually inhibit:a
the production of pollen grains. b. pollination. c. the growth of the pollen tube. d. the growth of the style. e. microspore formation.