What are population pyramids used to show?
A. the carrying capacity
B. competition
C. age composition of a population
D. birth rates
E. death rates
Answer: C
You might also like to view...
Which of the following bacterial pathogens is found in water distribution systems?
A) Enterobacter aerogenes B) Klebsiella pneumoniae C) Legionella pneumophila D) Vibrio cholerae
The base that is not found in DNA, but only in RNA is ________.
A. adenine B. guanine C. uracil D. thymine
If genes are introduced into a yeast plasmid to serve as a shuttle vector, the plasmid has the ability to __________
A) move genes from human to yeast B) replicate in yeast or in bacteria C) degrade selected yeast genes D) recombine with yeast nuclear genes E) degrade other yeast plasmids
Which of the following can be used directly to code for important viral proteins during viral replication?
A. -RNA B. dsDNA-RT C. +RNA D. ssDNA-RT E. dsRNA