Tandem duplication of a gene may be a result of
a. deletions.
b. a recombination error.
c. gene conversion.
d. translocation.
e. point mutation.
Ans: b
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A pure culture
A) is sterile. B) is a population of identical cells. C) is made of a clearly defined chemical medium. D) contains one microbial cell.
Who is at most risk to develop legionnaires' disease?
a. 65-year-old transplant recipient b. 14 year old swimming in a lake c. 90 year old living in an apartment complex d. Newborn baby to a mother infected with hepatitis
The greatest number of ATP molecules is produced in
a. glycolysis. b. lactate fermentation. c. anaerobic respiration. d. electron transport. e. the Krebs cycle.
Answer the following statement(s) true (T) or false (F)
1. Cancellous bone is also known as compact bone. 2. Cancellous bone constitutes about 80% of the skeleton 3. The tarsals are short bones 4. The shaft of a long bone is called the diaphysis. 5. Cortical bone is more porous than cancellous bone.