What two functions do phagocytes serve in immune responses?
A.
Production of antibodies AND engulfment/destruction of foreign cells
B.
Engulfment/destruction of foreign cells AND alerting the other cells of the immune system to an invader
C.
Alerting the other cells of the immune system to an invader AND serving as a physical barrier against microbial invasion
D. Production of antibodies AND serving as a physical barrier against microbial invasion.
B
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What type of thinking is required?
What will be an ideal response?
In a typical feedback loop, an integrator involves the ________ system and an effector involves the ________ systems
a. receptor / nervous b. glandular / receptor c. nervous / muscular or glandular d. stimulus / response
It is commonly said that plants, especially trees, produce oxygen, but this is an oversimplification of metabolism in plants. Which of these statements is more accurate?
a. Plants produce oxygen ions into the atmosphere which recombine into ozone molecules. b. Plants only release oxygen when supplied with adequate quantities of glucose and water. c. Plants release oxygen during photosynthesis and reabsorb it during carbohydrate catabolism. d. Plants only produce oxygen after they have been digested or decomposed by other organisms.
During electron transport phosphorylation, which ions accumulate in the outer compartment of the
mitochondria? a. calcium b. hydrogen c. oxygen d. phosphorus e. sodium