According to the fluid-mosaic model of the plasma membrane, a lipid bilayer is _____ and has the consistency of ______.
Fill in the blank(s) with the appropriate word(s).
fluid
light oil
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Today, sharks and dolphins have similar shapes but their ancestors looked nothing like each other. Going from different "starting points" but ending up at the same "finish line" would be an example of _____ evolution.
a) directional b) divergent c) convergent d) disruptive
As the two strands of DNA are unraveled, which enzyme relieves the strain on the two strands?
A. DNA endonuclease B. DNA polymerase C. DNA exonuclease D. DNA ligase E. DNA gyrase
Following anaphase in cell division, the structures produced by the separation of the sister chromatids.
What will be an ideal response?
Hermaphrodites are individuals with functioning male and female reproductive organs who are capable of producing both male and female gametes. Which statement about hermaphrodites is false?
A) Hermaphrodites are common among invertebrates. B) An XYY human is a hermaphrodite. C) No human hermaphrodites exist. D) Some vertebrate hermaphrodites exist. E) Humans with Klinefelter syndrome are not hermaphrodites.