How did prions get from sheep to cattle?
a. Cattle were fed sheep parts as nutrient
supplements.
b. From humans infected with BSE.
c. From humans infected with vCJD.
d. From keeping sheep and cows in the same herd.
e. Through a virus.
Answer: a
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Refer to the figure. Which level of structure is maintained by the disulfide bond?
A) primary B) secondary C) tertiary D) quaternary
Rolling circle replication of the lambda genome differs from replication of a bacterial chromosome in that
A) bidirectional replication forks are not formed. B) only a single strand of the genome is copied. C) no concatamers are formed. D) only a single strand of the genome is copied and no concatamers are formed.
Which of the following elements is considered a plant micronutrient?
A) iron B) nitrogen C) phosphorus D) oxygen
As tissue fluid accumulates, the hydrostatic pressure of the ____________ increases, driving fluid into the lymphatic capillaries. Fluid entering the lymphatic capillaries is referred to as ____________ .
Fill in the blank(s) with the appropriate word(s).