Which of the Following Statements Best Supports the Watson-Crick Structure

question 78

Multiple Choice

Which of the following statements best supports the Watson-Crick structure of DNA?

• A) Of the DNA examined from a wide variety of sources, the adenine and cytosine contents are always equal.
• B) A non-virulent Pneumococcus can be transformed to a virulent strain by the addition of DNA.
• C) mRNA will hybridize with DNA.
• D) Of the DNA examined from a wide variety of sources, the adenine and guanine contents are always equal.
• E) The sum of the purines present in a wide variety of DNA examined is always equal to the sum of the pyrimidines present.

Understand the importance and principles of responding to business communications effectively, including adjustments, claims, and inquiries.

Learn the strategies for writing effective business messages, including the application of direct and indirect strategies based on the situation.

Understand the legal and ethical considerations in business communications, especially when responding to claims and criticisms online.

Recognize the role of mood (imperative, indicative) in conveying the tone in business writing and how it affects reader perception.

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Definitions:

Natural Gas

A fossil fuel consisting primarily of methane and other hydrocarbons, used as an energy source and feedstock in chemical manufacturing.

Iron Ore

Naturally occurring rocks from which iron (Fe) can be economically extracted, constituting a key raw material for steel production.

Coal

The natural, brown to black rock derived from peat and other plant materials that have been buried, compacted, and heated; used for heating and to generate electricity.

Marine Organisms

Living creatures that inhabit the ocean, ranging from microscopic phytoplankton to large whales, adapted to the marine environment.