Humans are unable to get metabolic energy from cellulose because:
A. cellulose contains very little chemical energy.
B. cellulose is not part of a normal diet.
C. cellulose digesting enzymes are absent from the human gut.
D. cellulose does not taste good.
E. cellulose is present in large quantities in the gut.
C. cellulose digesting enzymes are absent from the human gut.
You might also like to view...
Members of the phylum ____ exhibit radial symmetry, with their body parts arranged regularly around a central axis
a. Porifera b. Mollusca c. Cnidaria d. Platyhelminthes e. Chordata
Fraternal twins
A. are the result of one fertilized egg dividing to become two individuals. B. do not usually have the same DNA. C. result from two eggs being fertilized by one sperm. D. result from one egg being fertilized by two sperms.
The lowest concentration of an antimicrobial agen which kills 99.9% of a particular microorganism is the
A. minimum bactericidal concentration B. minimum intermediate concentration C. minimum susceptible concentration D. minimum inhibitory concentration
Which of the following best defines what occurs during translation?
a. RNA is used to make a polypeptide. b. RNA is used to make a DNA strand. c. DNA is used to make a polypeptide. d. A polypeptide is used to make RNA.