Bacteria that contain complex internal membrane systems are more likely to divide by budding than by binary fission
Indicate whether the statement is true or false.
Answer: TRUE
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Systolic pressure reflects the
A. contraction of the atria. B. relaxation of the atria. C. contraction of the ventricles. D. relaxation of the ventricles. E. heart rate.
Which of the following are examples of homologous structures?
a. whale flipper and cat leg b. human eye and octopus eye c. bird and insect wings d. body shape of sharks and dolphins e. penguin wing and fish fin
Discuss which type of DNA mutation in the coding region of an essential human gene (for example, insulin) would be
the most harmful to a phenotype. Consider missense, nonsense, frameshifts, and transposons. What will be an ideal response?
It has been proposed that the first cells used RNA for both information storage and catalysis and that DNA and proteins evolved later. Which modern macromolecules may be relics of the hypothesized RNA world?
A. RNA polymerase B. ribosome C. spliceosome D. sigma factor