The rough endoplasmic reticulum is so called because ____ stud the surface of that organelle.

Your grandmother has a rare disease for which a new genetic test has just been developed. If you are interested in a genetic test to determine whether you are affected, which of the following would you need to know to best interpret your test?

A. If you have one or two copies of a dominant allele B. Your father's genotype C. The penetrance of disease in people of your genotype D. The degree of variable expressivity if you lack a copy of the affected allele

What cells are key players in only the humoral response?

Competitive exclusion is the result of ____ by two species for the same limiting resource.

A. mutualism B. commensalism C. competition D. symbiosis E. parasitism

Localized anaphylaxis tends to feature isolated symptoms such as

A) fainting, chest pain, or vomiting. B) anxiety, nausea, or swelling. C) watery eyes, a runny nose, or a confined rash. D) decreased blood pressure, shortness of breath, or abdominal pain. E) confusion, hives, or hoarseness.