Two Nuclei May Have Equal Z, but Different A, Because

question 88

Multiple Choice

Two nuclei may have equal Z, but different A, because they contain

• A) equal numbers of protons and neutrons.
• B) equal numbers of protons but different numbers of neutrons.
• C) different numbers of protons but equal numbers of neutrons.
• D) different numbers of protons and neutrons.
• E) electrons as well as neutrons.

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Definitions:

Epidermis

The outer layer of cells covering an organism, particularly the surface layer of skin.

Root Hairs

Thin, hair-like extensions from a root's surface that increase the surface area for water and nutrient absorption from the soil.

Eudicot

A major group of flowering plants that are characterized by having two seed leaves, or cotyledons, and a range of other structural features.

Monocot

Monocots, or monocotyledons, are a group of flowering plants characterized by having a single embryonic leaf (cotyledon), parallel leaf veins, and a fibrous root system.