The Innermost Portion of a Virus's Structure Is Made Up

question 13

Multiple Choice

The innermost portion of a virus's structure is made up of

• A)a membranous envelope.
• B)either DNA or RNA.
• C)both DNA and RNA.
• D)a protein capsid.
• E)microtubules.

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Definitions:

Chloroplast

Organelles in plant and algal cells where photosynthesis takes place, converting light energy into chemical energy.

Organelle

One of the specialized structures within the cell, such as the mitochondria, Golgi complex, ribosomes, or contractile vacuole; many organelles are membrane-enclosed.

Geologic Time Scale

A system of chronological dating that relates geological strata to time, used by geologists and other Earth scientists to describe the timing and relationships of events in Earth's history.

Eon

The largest division of the geologic time scale; eons are divided into eras.