RNA Molecules Differ from DNA Molecules Because Only RNA

question 49

Multiple Choice

RNA molecules differ from DNA molecules because only RNA

• A)has ribose.
• B)has uracil.
• C)is typically one strand of nucleotides.
• D)does not have thymine.
• E)All of the choices are correct.

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Definitions:

Flexion

The movement that decreases the angle between two body parts, such as bending the elbow or knee.

Tactile Fremitus

The vibration felt on the chest wall when a person speaks, useful in medical examination to assess lung health.

Egophony

A change in the voice sound heard when auscultating the lungs with a stethoscope, often indicative of lung pathology.

Crepitus

A medical term used to describe the grating, crackling or popping sounds and sensations experienced under the skin and joints or a crackling sensation due to the presence of air in the subcutaneous tissue.