Eukaryotic mRNA molecules may contain non-coding sequences that must be removed before translation. These are called
A. anticodons.
B. introns.
C. exons.
D. nucleosomes.
E. noncodons.
B. introns.
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Which of the following changes take place as the muscle contracts?
A) The Z lines get closer together. B) The H zones get smaller. C) The I band gets smaller. D) The A band gets smaller. E) A, B, and C are correct.
Human cells that have completed telophase I will each contain ________ chromosomes, which will be in a(n) ________ form
A) 46; replicated B) 23; replicated C) 23; unreplicated D) 46; unreplicated
When one microbe's metabolic activities create favorable conditions for another microorganism, this is referred to as (competition/cooperation/facilitation)
What will be an ideal response?
A disease of birds that can be transmitted to humans is (campylobacteriosis/Lyme/ornithosis).
Fill in the blank(s) with the appropriate word(s).