Lethal genes can cause death at any time during the human life cycle, from the zygote stage to a mature adult human being.?
Indicate whether the statement is true or false
True
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The vitreous chamber of the eye
A) contains blood vessels that nourish the retina. B) helps to stabilize the structure of the eye and the retina. C) is located between the lens and the iris. D) contains the lens.
The ankle is a ________ structure.
A. central B. peripheral C. thoracic D. superior
What term describes the various protein markers located in the plasma membrane of a red blood cell?
A) Immunoglobulin B) Rh C) Antibody D) Antigen
A child ingested an organophosphate poison used to kill insects. Soon the child's muscles began spastic contractions. Predict what occurred at the synaptic cleft
A. decreased release of acetylcholine from presynaptic neurons B. increased accumulation of acetylcholine in the synapse C. the poison binds to acetylcholine receptors and stimulates them D. increased breakdown of acetylcholine in the synaptic cleft E. Both increased accumulation of acetylcholine in the synapse and increased breakdown of acetylcholine in the synaptic cleft.