A stem that cannot increase in diameter is lacking what type of tissue?
A. xylem
B. procambium
C. vascular cambium
D. ground meristem
E. protoderm
Answer: C
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The type strain is the most representative strain of a particular species.
Answer the following statement true (T) or false (F)
Which assisted reproductive technology involves the maturation and fertilization of the egg within laboratory glassware, followed by transfer of the embryo to the uterus 2-4 days later?
A. Surrogate mother B. In vitro fertilization C. Artificial insemination D. Intracytoplasmic sperm injection E. Gamete intrafallopian transfer
Individuals with a genetic variant in the promoter region of the MAOA gene display violent behavior, independent of
environmental factors. a. True b. False
Helicobacter pylori uses the enzyme urease to counteract a chemical defense in the human organ in which it lives. This chemical defense is
a. lysozyme. b. hydrochloric acid. c. superoxide radicals. d. sebum. e. complement.