A lipid membrane is present in which of the following?

A) naked viruses
B) enveloped viruses
C) prions
D) viroids
E) both prions and viroids


B

Biology & Microbiology

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Enzymes function to:

A. react with other enzymes to form a product. B. catalyze chemical reactions. C. transport molecules and ions across membranes. D. regulate messages between cells.

Biology & Microbiology

A muscle precursor cell expressing the MyoD1 gene would be considered to be  

A.  pluripotent. B.  determined. C.  differentiated. D.  totipotent. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean?   Gather Content · What do you already know about determination and differentiation?   Consider Possibilities · Consider the different answer options. Which can you rule out?   Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer?   Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?

Biology & Microbiology

Ascospores in yeast are not arranged in a particular order. Thus, the four haploid ascospores contained within a yeast ascus are known as what?

What will be an ideal response?

Biology & Microbiology

A large percentage of the public believes that vaccines play a role in the development of autism. What information would you use to explain to a friend that there is no scientific evidence to suggest that vaccines cause autism? What resources might you

use to support your explanation? What will be an ideal response?

Biology & Microbiology