Which mRNA below would code for a premature stop codon from the following amino acid sequence? N—Met-Gln-Leu-Arg-Cys—C
A) 5? - AUG CAG AUA GCG UGC UAG - 3?
B) 5? - AUG AAG UUA GCG UGC UAG - 3?
C) 5? - AUG CAG UAA GCG UGC UAG - 3?
D) 5? - AUG CAG UUA UUG UGC UAG - 3?
E) 5? - AUG CAG UUA GCG UGC AAG - 3?
C
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It is sometimes jokingly said that you could study for your biology test by placing your textbook under your pillow at night and thereby learn by osmosis, as the knowledge would flow from the book to your brain while you slept. Aside from the obvious silliness of this claim, what is wrong with the use of the word "osmosis" in this context? How might you lose knowledge (if knowledge could actually flow along a concentration gradient between a book and a brain) if you tried this technique?
What will be an ideal response?
In a nucleosome, the DNA is wrapped around _____
A) polymerase molecules B) ribosomes C) histones D) a thymine dimer E) satellite DNA
Which of the following statements about the strands of a newly replicated DNA molecule is correct?
A. Both strands are made up of newly assembled nucleotides. B. One strand is new and the other is from the original molecule. C. Both strands contain some nucleotides from the original molecule. D. The sugar-phosphate chains are conserved and new bases are inserted between them. E. The base pairs are conserved and new sugar-phosphate backbones are built up on them.
Sequential hermaphroditism among coral reef fish in which an individual is first female, then male is called ________.
Fill in the blank(s) with the appropriate word(s).