The bacterial cell wall is composed of a macromolecular network called peplidoglycan (also known as murein) which is present either alone or in combination with other substances

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#Question id: 10976

#Human Biology

In a resting adult, the typical ventricular ejection fraction has what value?

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#Question id: 1547

#Human Biology

follicular dendritic cells (FDCs) secrete CXCL13 and its receptor, CXCR5, which is expressed on B cells, function of this interaction ?

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#Question id: 5333

#Human Biology

Phenylketonuria a metabolic disease in human is caused by recessive allele k. if two heterozygous carriers of allele marry and have three children, what is the chance that all children will be affected?

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#Question id: 10977

#Human Biology

A 60-year-old man’s EKG shows that he has an R-R interval of 0.55 sec. Which of the following best explains his condition?

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#Question id: 1548

#Human Biology

B-cell survival in the follicle is dependent on?

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#Question id: 5334

#Human Biology

The way sex determination in birds, Male birds have two Z chromosomes, and females have Z and W. which of the following is not possible during inheritance?