What is the name of the special cells in the collecting ducts of the kidney that have the ability to increase decrease the secretion of H??
a. Intercalated cells
b. Macula densa cells
c. JG cells
d. Principle cells
Answer: a. Intercalated cells
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a) Steroids b) Thyroid hormones c) Nitric oxide d) Amine hormones e) Peptide hormones
A(n) ________ is a sac of fluid associated with a synovial joint
A) meniscus B) articular sac C) articular cavity D) bursa E) synovial vesicle
In cell-mediated immunity, the antigen (pathogen) is destroyed by:
a. Mast cells b. Cytotoxic killer T cells c. Opsinization of antibodies d. Plasma cells
Identify the item related to parts of DNA replication indicated by C in the figure below.
A)DNA polymerase B)Old (template) strand C)Leading strand D)Lagging strand E)Replication fork