Which is incorrect about measles?
A) Koplik's spots appear before the characteristic rash.
B) It is one of the most contagious infectious diseases.
C) It is also known as rubeola.
D) Humans are the sole reservoir.
E) Vaccination is with an attenuated oral vaccine.
E) Vaccination is with an attenuated oral vaccine.
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Manual WBC count using a hemocytometer
In which cases would you redo the hemocytometer reading?
Which of the following is false?
a. Flowers often exhibit coevolution with their pollinators. b. Seeds often exhibit coevolution with their disseminators. c. The pollen grain forms from a haploid microspore. d. Megaspores are part of the female gametophyte generation. e. Megaspores and microspores arise through mitosis.
Which of the following is not a feature of reverse transcriptase?
A. It can create double-stranded DNA from RNA. B. It causes the high mutation rate of HIV. C. It can incorporate DNA into the host cell's genome. D. It is very error-prone.
Inflammation of the skin is generally called?
a. encephalitis b. cephalgia c. dermatitis d. bursitis e. none of the above