The amino acids of a growing polypeptide chain are held together by what kind of bond during the elongation stage of translation?
A. glycosidic
B. peptide
C. lactose
D. hydrogen
E. noncovalent
Answer: B
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Match each scientist or group of scientists on the left with the appropriate statement to the right.
A) hereditary factors B) pollen grain C) chromosome theory of heredity D) dog saliva E) "ferments" of yeast F) transformation G) DNA double helix H) embryonic plant I) transfer RNA J) embryonic bacteria K) fruit fly L) transcription M) translation N) Calvin-Benson cycle O) "one gene—one enzyme" P) oral bacteria Q) urea 1) Gregor Mendel 2) Walter Sutton 3) Matthias Schleiden 4) Oswald Avery, Colin MacLeod, and Maclyn McCarty 5) George Beadle and Edward Tatum 6) James Watson and Francis Crick 7) Thomas Hunt Morgan 8) Friedrich Wöhler 9) Louis Pasteur
__________ are regions in an organism's DNA that encode information about heritable traits. Fill in the blank(s) with the appropriate word(s)
A shortage of cholesterol in the body could interfere with the formation of:
A) all of the choices are correct B) estrogen C) cell membranes D) testosterone E) progesterone
This model depicts an opportunity cost of searching versus mating.
a. true b. false