In multiple sclerosis, the myelin sheaths around the axons of the brain and spinal cord are damaged and demyelination results. How does this disease manifest at the level of the action potential?

 I) Action potentials move in the opposite direction on the axon.

 II) Action potentials move more slowly along the axon.

 III) No action potentials are transmitted.

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#Question id: 24613

#Unit 2. Cellular Organization

Allele polymorphism at any given locus is associated with

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#Question id: 10513

#Unit 6. System Physiology – Plant

Which of the following major cyanogenic glycosides are derived from the Cassava?

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#Question id: 1699

#Unit 4. Cell Communication and Cell Signaling

Which of the following statements is TRUE of CD1?

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#Question id: 2985

#Unit 2. Cellular Organization

Use the figure to answer the question below. The unlettered circle at the top of the figure shows a diploid nucleus with four chromosomes that have not yet replicated. There are two pairs of homologous chromosomes, one long and the other short. One haploid set is black, and the other is gray. The circles labeled A to E show various combinations of these chromosomes. What is the correct chromosomal condition for one daughter nucleus at telophase of mitosis? 

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#Question id: 33900

#Unit 2. Cellular Organization

A. Bacterial genome have many independent chromosomal domains

B. Bacterial genome is circular and have many intertangled domains 

C. Each domain consists of 40 kilobases (k2. of DNA 

D. The existence of separate domains donot permit different degrees of supercoiling to be maintained in different regions of the genome.

Find true and false