The intervertebral disks are classified as ____
a. synovial joints
b. fibrous joints
c. membranous joints
d. cartilaginous joints
e. hinge joints
ANSWER: d
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In the presence of DNA-binding protein Sp1, transcription is:
A. increased if H1 is at low levels. B. decreased if H1 is at low levels. C. increased if H1 is at high levels. D. not affected by H1.
Some components and breakdown products of commonly used pesticides are intercalating agents, which cause mutations by _____
1.their incorporation into the DNA molecule due to structural resemblance to bases 2.chemically modifying the bases in DNA 3.inserting themselves into the double helix of DNA and causing errors during replication 4.generating free radicals that produce mutations if they interact with DNA
What is a form of recombination in bacteria that involves the F plasmid?
A) transformation B) adaptation C) fluctuation D) transduction E) conjugation
The evolutionary species concept defines a species as:
a. a group that forms a lineage with a distinct evolutionary fate from other lineages. b. phenotypically similar individuals or populations. c. groups of actually or potentially interbreeding populations that are reproductively isolated from other such groups. d. the smallest monophyletic group distinguished by a shared derived character.