What is a virion?
A) a virus genome inside a cell
B) an empty capsid
C) a single virus particle outside a cell
D) an extracellular virus genome
E) a virus genome integrated into a host cell genome
C
Bloom's Taxonomy: Knowledge
Section: Characteristics of Viruses
Learning Outcome: 13.1
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Deposits of shells from ancient _____ are mined as chalk and limestone
a. dinoflagellates c. radiolarians b. diatoms d. foraminiferans
Which of the following is NOT a risk factor for hypertension?
a. smoking
b. obesity c. chronic stress d. excessive salt intake e. diet high in sources of potassium and calcium
People who are lactose intolerant can often consume some products made from milk such as cheese and yogurt because microorganisms in their digestive system consume the lactose. By comparison, people with a true milk allergy, which involves an immune response to milk protein, cannot consume milk or products made from milk. Given this information, what can you conclude about milk?
A. Lactose is a carbohydrate, not a protein and is therefore not the cause of true milk allergies. B. The protein that causes a true milk allergy is lactose. C. All people who are lactose intolerant are also allergic to milk. D. Yogurt contains live and active cultures of Lactobacillus acidophilus bacteria and therefore prevents an allergic response in people with a true milk allergy.
Hox genes are a family of transcription factors that regulate development throughout the animal kingdom. Studies of Hox genes in mice and Drosophila showed that many Hox genes are conserved between both species, and several Hox genes duplicated into new genes with novel functions within mice. Some Hox genes have even lost all function. Hox genes provide an example of which of the following? Check all that apply.A) orthologsB) paralogsC) heterologuesD) pseudogenes
What will be an ideal response?