Discrete packages of light energy are called:
a. pigments
b. photons
c. positrons
d. radioactive waves
e. electromagnetic particles
b
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During elongation, RNA polymerase has three prominent channels, or grooves. These channels provide sites for all of the following EXCEPT _____
A) a site for the double-stranded DNA molecule B) a site for the entry of ribonucleoside triphosphates C) a site for the exit of the diphosphates removed from the nucleotide triphosphates D) a site for the growing RNA strand
Are transformation and transduction the same process?
A. Yes; they both involve the acquisition of viral genes. B. No; only transformation passes on genes for pathogenicity. C. Yes; both processes transfer specific gene products to a specific bacterium. D. No; although both involve gene transfer the sources of the genetic material differ. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about transformation and transduction? How does it relate to the question? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
The most common forms of color blindness result in the inability to properly perceive the colors
____________________ and ___________________Fill in the blank(s) with the appropriate word(s).
Blood pressure is highest in the __________
a. veins b. arteries c. capillaries d. venules e. arterioles