There are many different types of viruses and bacteria that can live and reproduce inside humans and often make us sick. in which of the following ways are viruses different from bacteria?

a- viral infections always cause a fever while bacterial infections almost never do
b- viruses must invade a host cells to reproduce while bacteria can reproduce on their own
c- virus cells, in general, are at least three times as large as the largest bacterial cell
d- viral infections are more likely to disable or kill their host than bacterial infections

The chromosomal structure that limits the number of cell divisions of a cell is the the chromosomal structure that limits the number of cell divisions of a cell is the kinetochore telomere histones centromere

Sally, age 3 months, has a moist, red, vesicular rash on her cheeks, the backs of her hands, and her arms. her mother said sally was constantly trying to scratch the rash and often has difficulty sleeping. her father has a family history of allergic rhinitis and asthma. discussion questions. 1. review atrophic dermatitis from chapter 3 and discuss the pathophysiology of sally’s symptoms. 2. why is the father’s medical history significant, and what can sally expect as she grows up? 3. discuss the need to limit scratching, and describe practical methods to achieve this.

You are studying a protein that you call protein x. there is an aspartic acid at a key position in protein x which is important in the folding and stabilization of that protein. if this aspartic acid is changed to a different amino acid, which type of amino acid substitutions is most likely to allow the protein to fold normally?