Adjacent nucleotides on a strand of DNA are connected to each other by a(n) ____
a. hydrophobic interaction
b. phosphodiester bond
c. hydrogen bond
d. peptide bond
e. ionic bond
ANSWER: b
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Most of Europe is in the ______ biome.
A. cold desert B. taiga C. temperate deciduous forest D. tundra E. tropical deciduous forest
The __________ uses blood glucose as its major source of energy.
Fill in the blank(s) with the appropriate word(s).
Why must water that has moved to the interstitial fluid in the medulla be quickly removed from the interstitial fluid?
A) to prevent dilution of urine B) to prevent destruction of the concentration gradient necessary for water reabsorption C) to equilibrate the concentration of solutes in the cortex and medulla D) to maintain an environment for transport of nutrients
Nonfunctional product of oogenesis produced by the unequal division of cytoplasm in females during meiosis; in humans three of the four cells produced by meiosis are polar bodies.
What will be an ideal response?