Which of the following is true about viroids?
a. In humans, they result in neurodegenerative disease.
b. They are an infectious protein transmitted primarily through consumption.
c. They can only replicate inside the host cell.
d. They are rare and only fatal in a few hundred human cases each year.
c. They can only replicate inside the host cell.
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What is the function of a normal MAOA protein? a. It breaks down neurotransmitters in the synapse
b. It carries neurotransmitters across synapses. c. It is a neurotransmitter. d. It is an enzyme essential in the formation of certain neurotransmitters. e. It is an enzyme responsible for the construction of neurotransmitter receptors.
Liverworts, hornworts, and mosses are ____
a. seedless vascular plants b. seed plants c. nonvascular plants d. charophytes e. gymnosperms
The most commonly accepted hypothesis for the production of ATP that results from electron transport system is called the ________ hypothesis.
Fill in the blank(s) with the appropriate word(s).
Lichens are made of
a. bacteria and photosynthetic algae. b. fungi and photosynthetic algae. c. protozoa and fungi. d. fungi only. e. any of these.