The same researcher discovers that one patient has an abnormally high level of IgE immunoglobulin. He goes back to check the patient's chart. What are the likely symptoms of this patient? Select all correct choices

A. persistent infections of the mucous
membranes
B. persistent viral infections
C. severe allergies
D. severe asthma


C,D

Biology & Microbiology

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Describe three molecular effects high pressure has on the physiology of organisms

What will be an ideal response?

Biology & Microbiology

__________ are cells that synthesize bone, whereas __________ break bone down. Fill in the blank(s) with the appropriate word(s)

Biology & Microbiology

You have isolated an organism that contains endospore. You can assume that this cell lacks

A. cell wall B. membrane-enclosed organelles C. plasmid D. pili E. Not enough information to assume anything

Biology & Microbiology

Suppose a researcher is interested in using the CRISPR-Cas9 system to knock out the phosphofructokinase gene of a rat skin cell that codes for an enzyme that is critical for glycolysis to occur. The researcher added the Cas9 enzyme to the cell but forgot

to add the guide RNA. What result do you think the researcher will observe? A) Glycolysis will proceed normally in the cell. B) The phosphofructokinase enzyme will be expressed but will have lower activity. C) Cas9 will specifically cut the phosphofructokinase gene. D) There will be mutations in the phosphofructokinase gene.

Biology & Microbiology