Cuticle, guard cells, stomata, and trichomes are all terms associated with ____
a. ground tissue
b. vascular tissue
c. meristem
d. dermal tissue
e. secondary tissue
ANSWER: d
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Which of the letters in the above figure represents
the ovule? a. A b. B c. C d. D e. none of these
During the infection cycle for a typical retrovirus, such as HIV, which uses RNA as genetic material, the genetic variation in the resulting population of new virus particles is very high because of
(A) damage to the virus particle from envelope loss during infection (B) errors introduced in the DNA molecule through reverse transcription (C) errors in the protein molecules produced in translation (D) recombination of the genomes of free virus particles
When Mendel crossed tall (Tt) plants with tall (Tt) plants the offspring
a) did not grow and reproduce. b) were always short. c) were always tall. d) were always medium height. e) were mostly tall individuals and a few short individuals.
A woman has a son with her first partner, and that son has a son of his own-the grandchild of the original woman. The original woman also has a son with a second partner, who also grows up to have another son; a second grandchild. What is the relatedness between the grandchildren,
A. 0.0625 B. 0.25 C. 0.125 D. 0.875 E. 2