In DNA Molecules

question 71

Multiple Choice

In DNA molecules,

• A) the nucleotides are arranged in a linear, unbranched pattern.
• B) the nitrogenous bases are found on the outside of the molecule.
• C) the pentose-phosphate pattern runs the same way on each DNA strand.
• D) the chains form a globular mass.
• E) hydrogen bonds join the sugars and phosphates.

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Definitions:

Coordination

The organization of different elements or activities to operate effectively together.

Osteoporosis

A condition where bones become weak and brittle due to loss of bone density, increasing the risk of fractures.

Bone Mass

The amount of mineral matter per square centimeter of bones, an indicator of bone density and strength.

Moderate Exercise

Physical activity that is of moderate intensity, raising the heart rate and breathing rate, but still allows one to carry on a conversation.