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Bio 1050 Exam 2 Ecu Verified Test Paper Questions And Solutions

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BIO 1050 EXAM 2 ECU VERIFIED TEST PAPER QUESTIONS AND SOLUTIONS

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BIO 1050 EXAM 2 ECU VERIFIED TEST PAPER
QUESTIONS AND SOLUTIONS


◉ What are the four nitrogenous bases in DNA?
Answer: A, T, G, C


◉ What are the four nitrogenous bases in RNA?
Answer: A, U, G, C


◉ Is DNA single stranded or double stranded? Is RNA single
stranded or double stranded?
Answer: DNA - Double stranded (double helix)


RNA - Single stranded


◉ When individual monomers are linked into a protein, or
individual monomers are linked to make a strand of DNA or RNA, it
is
Answer: a dehydration reaction.


◉ What reaction breaks the bond between two amino acids (peptide
bond)?

, Answer: Hydrolysis Breaks Polymers


◉ What are the two purines?
Answer: Adenine and Guanine



Ag (Silver) is PURE


◉ What are the three pyrimidines?
Answer: Cytosine, Uracil, Thymine

Pyramids CUT


◉ How many rings do purines have? How many rings do
pyrimidines have?
Answer: Purines - 2


Pyrimidines -1


◉ The 5' phosphate of one nucleotide forms a bond with the
____________ of another nucleotide.
Answer: 3' carbon (sugar)

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