Myasthenia gravis is a form of muscle paralysis in which _____
A) motor neurons lose their myelination and the ability to rapidly fire action potentials
B) acetylcholine receptors are destroyed by an overactive immune system
C) ATP production becomes uncoupled from mitochondrial electron transport
D) troponin molecules become unable to bind calcium ions
B
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Stem cells are produced and developed in the
A) bone marrow. B) brain. C) liver. D) stems of plants.
How many coding codons are there?
a. 4 b. 20 c. 30 d. 60 e. 64
At one time, the pituitary was known as the ‘master gland’. Explain why this name is both fitting and
misplaced. What will be an ideal response?
The cysts of Giardia function most like the _____
A) mitochondria of ancestral diplomonads B) nuclei of archaeans C) endospores of bacteria D) capsids of viruses