What is the name of the semi-fluid medium inside the cell?
A. cytoskeleton
B. organelle
C. nucleolus
D. mitochondrion
E. cytoplasm
Answer: E
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William has a lab assignment where he must cut out shapes of chromosomes and place two chromosomes of the same shape and size together. He lines up all of the chromosome pairs from largest to smallest and glues them to a piece of paper
William has created a ____ . Fill in the blank with the appropriate word.
A couple has two female children. What is the probability that their next child will be male?
A) 25% B) 50% C) 33% D) 67%
Symptoms of intense inflammation and shock occur in some gram-positive bacterial infections due to
A) A-B toxins. B) lipid A. C) membrane-disrupting toxins. D) superantigens. E) erythrogenic toxin.
Why is leprosy confined to the PNS?
A) Cells of the CNS lack the necessary receptor for M. leprae to gain access. B) The immune system is able to hold its ground and protect the CNS. C) M. leprae are aerobic and therefore prefer having the access oxygen that living just under the tattered epidermis can provide. D) Cooler body temperatures of 30-35°C are necessary for M. leprae's growth. E) It's not, but because it grows slowly and takes decades to reach the CNS, many believe that is where it is confined.