What other information is related to the question? Which information is most useful?
What will be an ideal response?
o The partial charges on N and H atoms on adjacent NH3 molecules will be attracted to each other.
o These are not covalent bonds which share electrons.
o These are partial charges, so they are not ionic bonds.
o Because these are charged they are hydrophilic and not hydrophobic.
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How does the immune system of vertebrates utilize a chemical concentration gradient?
A) The immune system produces thousands of histamines that act solely to create a histamine diffusion barrier. B) The immune system generates a gradient of reactive oxygen intermediates to increase the amount of toxic radicals and peroxides to combat invading pathogens. C) The immune system releases chemical signals called chemokines, which create a chemical gradient that leukocytes use in migrating toward the infection site. D) The vertebrate immune system does not use chemical gradients.
What is micropatchiness, and what factors give rise to micropatchiness in the open sea?
What will be an ideal response?
During which phase of meiosis will the homologous chromosomes pair up?
A. anaphase I B. prophase II C. telophase II D. metaphase I E. prophase I
Four of the five choices listed below are sources of
variation in a population. Select the exception. a. mutation b. sexual reproduction c. crossing over d. independent assortment e. law of dominance