The evolution from simple multicellular organisms to complex multicellular organisms required:
A. a mechanism of cell-cell adhesion.
B. an ability to respond to the environment.
C. the development of a system that enabled
bulk transport.
D. cell-surface receptors.
C
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At a specific area of a chromosome, the sequence of nucleotides below is present where the chain opens to form a replication fork: C C T A G G C T G C A A T C C An RNA primer is formed starting at the underlined T (T) of the template
At a specific area of a chromosome, the sequence of nucleotides below is present where the chain opens to form a replication fork: C C T A G G C T G C A A T C C An RNA primer is formed starting at the underlined T (T) of the template. Which of the following represents the primer sequence? A) G C C T A G G B) G C C T A G G C) A C G T T A G G D) A C G U U A G G E) G C C U A G G
Which of the following techniques is used to test for genetic diseases such as fragile X syndrome?
A. RNA-Seq B. ChIP-Seq C. PCR D. Western blotting E. immunoprecipitation
Vampire bats:
a. exhibit reciprocal altruism but not kin selection. b. are unusual in that they are one of the few animal species that exhibits kin selection. c. will sometimes regurgitate blood into the mouth of another bat that is close to starving, but the likelihood of the bat doing this is a function of the degree of relatedness between the two individuals. d. There are no such things as vampire bats; they're from a Dracula novel. e. will sometimes regurgitate blood into the mouth of an unrelated bat that is close to starving.
Pasteur's experiment with the swan-necked flask rejected the spontaneous generation hypothesis by demonstrating that...
What will be an ideal response?