Which of the following is true about dogs?
a. They all belong to the same species.
b. The different breeds or races have arisen due to speciation.
c. There are many different breeds and species.
d. They are phenotypically similar despite belonging to different species.
A
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If a person with type B blood marries a person with type A blood, what phenotypes can their children be?
A. types A, B, O, and AB B. all type A C. all type B D. types A and O E. types B and O
Which organism is widespread in freshwater and feeds on brain tissue?
a) Cryptococcus neoformans b) Acanthamoeba c) Naegleria fowleri d) Trypanosoma brucei
The stimulation of a motor neuron ultimately results in the release of a neurotransmitter at the synapse between the neuron and a muscle cell. What type of neurotransmitter is used at these neuromuscular junctions?
(a) acetylcholine (b) glutamate (c) GABA (d) glycine
The cyclic bouts of fever and chills in malaria are caused by ________.
A. white blood cell lysis B. neurological involvement C. the timing of the viral life cycle D. red blood cell lysis