Codons are ____ that encode the information for a specific amino acid in a protein
a. made of two polynucleotide strands
b. ribosomal subunits
c. mRNA templates that are transcribed into tRNA
d. post-translational templates of tRNA
e. triplets of nucleotides in mRNA
e
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Answer the question using the accompanying figure. During metamorphosis of a tadpole, TSH is active at ____
a. A b. B c. C d. B and C e. A, B, and C
Complex structures of DNA and proteins must unwind to be ____.
Fill in the blank(s) with the appropriate word(s).
You ask the butcher to grind a sirloin roast to be used for hamburger. You family likes hamburgers rare, so you undercook the meat. Unfortunately, within 2 days they develop the symptoms of gastrointestinal disease: diarrhea, bloating, and vomiting. Which of the following statements best describes what happened?
A. The meat grinder was contaminated, and bacteria were transferred and distributed throughout the meat. B. The meat became contaminated by bacteria from other foods in your refrigerator. C. The meat became contaminated by bacteria on the barbeque grill, coating both sides of the hamburger patties. D. The animal was sick before slaughter, and the sirloin was contaminated.
Normally, children cannot easily make understandable sentences until they are ________
A) 8 months old B) 24 months old C) 12 months old D) 36 months old