Invertebrates have an adaptive immune and an innate immune system
a. True
b. False
ANSWER: False
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Companion cells function to ________
a. form living tubes for sugar transport b. load sugar into sieve tubes c. photosynthesize and produce sugar d. transport water throughout the plant
Chloroplasts
a. resemble photosynthetic bacteria. b. utilize the same pigments regardless of what organism they are in. c. apparently evolved from mitochondria. d. utilize DNA derived from the nucleus. e. are all of these
Which of the following drugs is a depressant?
a. heroine b. ketamine c. PCP d. ethyl alcohol e. oxycodone
Alzheimer disease has two forms: the early onset _____________________ form with a strong pattern of familial
inheritance, and the late onset _____________________ form. Fill in the blank(s) with the appropriate word(s).