Which of the following statements is incorrect regarding protein structure?
A. The folding of a protein to form its active site creates its tertiary structure.
B. The sequence of nucleotides determines the primary structure of a protein.
C. Proteins, such as antibodies that are comprised of multiple polypeptide chains, have quaternary structure.
D. Beta-pleated sheets are a type of protein secondary structure.
Answer: B
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Drift nets are fishing devices with an
a. average length of 40 to 50 meters and are 7 meters in depth. b. average length of 10 to 15 meters and are 5 meters in depth. c. average length of 50 to 70 meters and are 10 meters in depth. d. average length of over 100 meters and are 20 meters in depth.
Reznick and Endler’s research with guppies suggested four of the following. Which one is the exception?
a. Life history traits can be inherited. b. Life history traits evolve. c. Life history traits can be altered over a short period of time. d. Life history traits are not influenced by predation patterns. e. Life history traits are coded for in DNA.
All the products of oogenesis are equal in size and content.
Answer the following statement true (T) or false (F)
Most of the oxygen in human blood is:
A) carried in the plasma membrane of red blood cells. B) dissolved in the plasma. C) carried in hemoglobin. D) carried on albumin.