Although poliovirus capsids contain several distinct proteins, these are synthesized as a single polypeptide then cleaved by proteases to produce the individual proteins.
Answer the following statement true (T) or false (F)
True
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In humans, the structure in which T lymphocytes mature is called the ____________
A. thymus B. bone marrow C. lymph node D. bursa of fabricus
Seed plants
a. have alternation of generations. b. are heterosporous. c. develop a seed coat. d. are all of the above.
A CBC, differential, and flow cytometry were performed on a patient with the following results (normal values): WBC = 8.0 th/uL (5.0-10.0 th/uL), diff = 90% lymphs (20-40%), CD3 = 5% (60-80%), CD5 = 95% (60-80%), CD19 = 95% (5-20%), CD10 = 0% (0%), surface Ig = pos (positive), and cytoplasmic Ig = neg (negative). What disease does this patient have?
A) B-cell acute lymphocytic leukemia B) B-cell chronic leukemia C) T-cell acute lymphocytic leukemia D) T-cell chronic leukemia E) AIDS
Which of the following statements about water is false?
A) It is the least abundant component of the cytoplasm B) It is required for cellular metabolism C) Water serves as a source of electrons and hydrogen ions D) Water acts as a solvent for chemical reactions