Which of the following diseases are caused by an expansion of trinucleotide repeats?
A) cystic fibrosis
B) beta-thalassemia
C) achondroplasia
D) fragile X syndrome
E) Marfan's syndrome
Answer: D
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Innate effector phagocytes are coated with opsonin receptors and receptors to pathogen-associated molecular patterns (PAMPs). These PAMP receptors are collectively called:
a. PRRs b. complement receptors c. TLRs d. LPS receptors
Collagen
A. forms junctions between cells. B. is part of a cell wall. C. must be secreted from a cell. D. functions inside a cell. E. acts as an enzyme.
Answer the following statements true (T) or false (F)
1. Gamma aminobutyric acid (GABA) is the most common inhibitory neurotransmitter in vertebrates. 2. Ionotropic receptors act by activating G proteins in target cells. 3. Metabotropic receptors act by initiating changes in second messenger systems in target cells. 4. Meningitis is solely a bacterially caused disease. 5. Synaptic vesicles discharge their contents at the axon hillock region.
The final product of glycolysis is ____
a. glucose b. fructose c. glyceraldehyde-3-phosphate d. pyruvate e. carbon dioxide