Cytotoxic T lymphocytes insert (CD95/lectin/perforin) into the membranes of the cells they target as a first step in killing.
Fill in the blank(s) with the appropriate word(s).
perforin
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The number of individuals of a species per unit area or volume of habitat is
A. the population dynamics. B. the carrying capacity. C. the population density. D. a community. E. the population distribution.
Some insects can stride on the surface of water because water
a. has a high specific heat. b. has lower density when frozen. c. is a good solvent. d. has surface tension. e. resists temperature changes.
When a crocodile eats a fish, the interspecific interaction between the two could be expressed as ________ for the crocodile and ________ for the fish
A) ? ; ? B) + ; + C) + ; ? D) ? ; +
A woman suffering from severe dehydration goes into the hospital. The doctor tells the woman that her blood has far too much solute in it and not enough water. Explain how this condition could affect the cells of her body and why
What will be an ideal response?