Janet is homozygous dominant for the wild-type allele of the gene that when mutant
causes cystic fibrosis. Her brother Henry is a heterozygote. They both do not have the
disease cystic fibrosis.
Indicate whether the statement is true or false
TRUE
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What is acetylcholine?
A) an ion pump on the postsynaptic membrane B) a source of energy for muscle contraction C) a component of thick myofilaments D) an oxygen-binding protein E) a neurotransmitter that stimulates skeletal muscle to contract
The cavities housing the eyes are called __________ cavities.
A) frontal B) cranial C) nasal D) orbital
Following a primary immune response, the cells that give rise to memory cells are
A) both B cells and T cells. B) B cells only. C) T cells only. D) neither B cells nor T cells.
Cats gestation length is an average of _____ days
Fill in the blank(s) with correct word