Defective _____ cause color blindness
a. hair cells c. cone cells
b. rod cells d. neuroglia
C
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The last common ancestor of fungi, mammals, and archaea likely had which of the following characteristics?
A. both a plasma membrane and a circular chromosome B. both a circular chromosome and membrane-bound organelles C. both free-floating genetic material (DNA) and a distinct nucleus D. both membrane-bound organelles and a circular chromosome E. both a distinct nucleus and a plasma membrane
An example of biomagnification is the ability of Desulfovibrio to catalyze production of methyl mercury, which is lipid soluble, thereby increasing the concentration of mercury in the food chain.
Answer the following statement true (T) or false (F)
A concept presented by Charles Lyell, called ____, contendsthe geological processes that sculpted Earth’s surface
over long periods of time are exactly the same as the processes observed today
a. catastrophismb. sedimentation c. orthogenesis d. gradualism e. uniformitarianism
Herbivores are unable to synthesize about half of the 20 ________ that are required to make proteins
Fill in the blank(s) with correct word