The form of RNA that carries the code from
DNA to the site of protein assembly is called
a. messenger RNA.
b. nuclear RNA.
c. ribosomal RNA.
d. transfer RNA.
e. structural RNA
A
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What are the small green appendages that might be found at the base of a leaf’s petiole called?
a. leaflets b. lamina c. stipules d. cuticles
Do you agree with the practice of using PGD to select for gender or for genetic disabilities present in the parents (for
example, deafness and dwarfism)? Why or why not? Should there be legal restrictions on PGD in the US? Why or why not? What will be an ideal response?
An organic compound differs from an inorganic compound in that an organic compound:a
contains carbon. b. contains two or more atoms. c. lacks valence electrons. d. lacks isotopes. e. is basic rather than acidic.
Which of the following groups has been planted extensively along U.S. streets because of their resistance to pollution?
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