The letter "A" in the above figure represents
which teeth?
a. incisors
b. molars
c. canines
d. premolars
e. none of these
B
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Most of the earth's usable carbon is in its
a. sedimentary rocks. b. atmosphere. c. biomass. d. oceans. e. mantle
TRAIT SPECIESABCDE111011210010310011411111511111600010 The table shows the distribution of traits (A-E) in six extant species (1-6). A "0" indicates the ancestral condition, and a "1" indicates the derived condition. Which trait is least informative of phylogenetic relationships within the group?
A. A B. B C. C D. D E. E
A nucleic acid probe is a(n)
A) virus that transfers DNA to a recipient cell. B) piece of radioactively labeled DNA that is used to locate a specific gene. C) enzyme that locates a specific restriction site on RNA. D) plasmid that recognizes a specific DNA sequence.
Microbial molecules detected by phagocytes are called
A. TLRs. B. NODs. C. PAMPs. D. leukotrienes. E. prostaglandins.