Ambergris comes from the ____

a. right whale
b. sperm whale
c. gray whale
d. orca
e. blue whale


B

Biology & Microbiology

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Which form of sea life is showing signs of decreasing in numbers?

a. carp b. swordfish c. sharks d. blue fish e. eels

Biology & Microbiology

Some bacteria avoid being phagocytized by a host's immune system by means of:

a. ameboid motion. b. their capsule or slime layer. c. efficient use of their flagella. d. changing their cell wall structure. e. eliminating the use of a membrane

Biology & Microbiology

Which of the following is an example of reproductive cloning?

A. Bringing our favorite dog Buster back to life by producing a puppy with the exact same DNA B. Producing new skin cells from an individual's DNA to aid in skin grafts after a severe burn C. replicating the insulin gene for the production of transgenic bacteria D. All of the above

Biology & Microbiology

Several molecular forms of the same gene may exist; collectively these forms are termed _____.

A) alleles B) homologous genes C) loci D) mutations E) heterogeneous genes

Biology & Microbiology