Peroxisomes are membranous organelles that produce and decompose what compound?
a. protein
b. lysosomes
c. hydrogen peroxide
d. iron
e. ozone
c
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Indicate whether the statement is true or false.
Local passive current flow decreases with distance because
a. ion pumps which drive current flow run out of energy (ATP) as they drift from the stimulus site. b. current leakage across the membrane attenuates current available for intracellular current flow. c. as it gets away from the active zone, the membrane fluidity decreases and prevents influx of booster current. d. of all of these reasons. e. of none of these reasons.
Considering the role of the chemoreceptor in the regulation of the respiration rate, the most important stimulus that induces changes in ventilation is:
A) partial pressure of oxygen (PO2 ) in pulmonary capillaries. B) partial pressure of oxygen (PO2 ) in systemic capillaries. C) partial pressure of carbon dioxide (PCO2 ) in arterial blood. D) partial pressure of oxygen (PO2 ) in venous blood.
Predict how a blockage in the common carotid artery affects blood flow
What will be an ideal response?