Imagine that the genetic code were read in an overlapping fashion, using three nucleotides to specify each amino acid (i.e., the sequence above would be read: AUG-UGA-GUA and so on)
Which of the following polypeptides would be obtained by translating the sequence above?
Answer the questions below based on this RNA sequences: 5'-AUGAUGAUGAUG-3'
This RNA transcript was generated using a synthetic DNA template. The letters B, D, E, F, G, and H have been selected to represent different amino acids. Assume that each codon is a different amino acid.
A) B-B-B-B-B-B-B-B-B-B.
B) B-D-B-D-B-D-B-D-B-D.
C) B-D-E-B-D-E-B-D-E-B.
D) B-D-E-F-G-B-D-E-F-G.
E) B-D-E-F-B-B-D-E-F-B.
Answer: C
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A. calcium carbonate skeletons. B. silica skeletons. C. cell walls. D. tests. E. None of the answers options is correct.
Which respiratory surface lacks physical protection from the external environment?
a. tracheal system tubes b. human lungs c. external gills d. internal gills e. bird lungs
In glycolysis, fructose-1, 6-bisphosphate splits, forming two molecules of:
a. ADP. b. citric acid. c. G3P. d. glucose. e. acetyl CoA.
A base can be defined as
A. a hydroxide ion acceptor. B. an attraction between a positive ion and a negative ion. C. a substance that gives up hydrogen ions when dissolved in water. D. a substance that gives up hydroxide groups in a solution.