Francisella tularensis is transmitted to humans by
A. biting arthropods.
B. inhalation of aerosols.
C. direct contact with infected tissue.
D. All of the choices are correct.
Answer: D
You might also like to view...
Which of the events listed below occurs in the light reactions of photosynthesis?
A) NADP is produced. B) NADPH is reduced to NADP+. C) Carbon dioxide is incorporated into PGA. D) ATP is phosphorylated to yield ADP. E) Light is absorbed and funneled to reaction-center chlorophyll a.
Once a threshold is reached,
a. the number of sodium gates that open depends upon the strength of a stimulus and its duration. b. a graded local potential will be unable to spread to a trigger zone of the nerve membrane. c. the resting potential of a neuron is restored. d. potassium channels in the input zone open. e. progressive opening of more and more sodium gates and the accompanying flow of sodium ions is an example of positive feedback.
Describe how Mendel's two laws are illustrated by the movement of chromosomes in meiosis
What will be an ideal response?
If most of the individuals of a species die when they are young, that species exhibits a(n) ________ survivorship curve
A) declining B) late-loss C) early-loss D) constant-loss E) S-shaped