Four of the five protists listed below are parasitic
Select the exception.
a. Plasmodium spp.
b. Amoeba proteus
c. Giardia lamblia
d. Trypanosoma brucei
e. Phytophthora infestans
Answer: b
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Unlike other cyanobacteria, Prochlorococcus lacks phycobilins
Indicate whether the statement is true or false.
A flower with petals, sepals, and one carpel but no stamens is ____
a. perfect and incomplete b. imperfect and complete c. imperfect and incomplete d. perfect and complete e. sterile
The hormone that influences sodium reabsorption in
the kidney is a. antidiuretic hormone. b. cortisone. c. aldosterone. d. corticotropic hormone. e. adrenalin.
Vaccination increases the number of _____
A) lymphocytes with receptors that can bind to the pathogen B) epitopes that the immune system can recognize C) macrophages specific for a pathogen D) major histocompatability (MHC) molecules that can present an antigen