Which of the following are considered more
primitive based upon the structure of their
limbs?
a. bats
b. reptiles
c. porpoises
d. penguins
e. birds
B
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Continental crust is older than oceanic crust
Indicate whether the statement is true or false
Specialized islet cells that secrete hormones
are found scattered throughout the
a. adrenal cortex. b. liver. c. thymus. d. adrenal medulla. e. pancreas.
Resident biota of the gastrointestinal tract include ________.
A. Bacteroides B. Streptococcus C. Lactobacillus D. Haemophilus E. All of the choices are correct.
Which cluster of terms accurately reflects the nature of DNA replication in prokaryotes?
A) random point of initiation, unidirectional, semiconservative B) fixed point of initiation, bidirectional, conservative C) fixed point of initiation, bidirectional, semiconservative D) random point of initiation, bidirectional, semiconservative E) fixed point of initiation, unidirectional, conservative