Enveloped viruses have a layer of lipids surrounding their capsid. This envelope is made mostly of host cell membrane. In which step does the virus acquire this envelope?
a. release
b. synthesis
c. attachment
d. assembly
Answer: a. release
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Which of the following indicates the correct order of these events?
A. Anaphase - Telophase - Prophase - Prometaphase - Metaphase B. Telophase - Prometaphase - Prophase - Metaphase - Anaphase C. Metaphase - Prometaphase - Prophase - Anaphase - Telophase D. Prophase - Prometaphase - Metaphase - Anaphase - Telophase
Which of the following is NOT a function of the integumentary system?
A. defense against pathogens B. fluid transport C. supporting the weight of body structures D. protection from dehydration E. regulation of body temperature
You discover a new sunflower that has blue flowers instead of yellow. When you cross this blue variety with a common yellow variety you get blue and yellow speckled flowers. What type of inheritance pattern does this gene exhibit?
A. incomplete dominance B. codominance C. simple Mendelian inheritance D. either incomplete dominance or codominance E. sex-influenced dominance
The type of body symmetry in which only one plane divides the body into mirror images is
A. radial symmetry. B. bilateral symmetry. C. longitudinal symmetry. D. mirrored symmetry. E. asymmetry.