The tertiary structure and function of a polypeptide is principally determined by the
(A) length of the polypeptide
(B) number of nucleotides present in the polypeptide
(C) repeated units of glycerol making up the polypeptide
(D) interactions between amino acids present in the polypeptide
Answer: (D) interactions between amino acids present in the polypeptide
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Nondisjunction of X chromosomes may occur during meiosis 1 of oogenesis to form 2 types of eggs. If normal sperm fertilize these two types of egg, which of the following are possible sex chromosome complements?
A. XX and XY B. XYY and XO C. XYY and YO D. XXY and XO E. XXX and XYY
Where would you expect to find proteins responsible for controlling the substances that enter and leave
mitochondria?
a. plasma membrane of the cell b. inner mitochondrial membrane c. outer mitochondrial membrane d. nuclear membrane e. lysosomal membrane
Members of phylum Ctenophora are diploblastic but lack cnidocytes
____________________ Indicate whether the statement is true or false.
What type of enzyme fills in the gap after damaged DNA has been removed?
A. primase B. polymerase C. helicase D. ligase E. nuclease