Which of the Following Contains Two Species That Have the Same

question 29

Multiple Choice

Which of the following contains two species that have the same mass number?

• A) ¹⁴C and ¹⁴N
• B) ¹²C and ¹³C
• C) 14_C and 14_N and 12_C and 13_C
• D) Neither 14_C and 14_N nor 12_C and 13_C

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Definitions:

White Pulp

A lymphoid tissue in the spleen involved in producing and maturing immune cells, particularly lymphocytes.

Pharynx

The pharynx is a musculomembranous tube that connects the nasal and oral cavities to the esophagus and larynx, serving as a passageway for air and food.

Palatine Tonsils

Lymphatic tissue located on either side of the throat that helps protect the body from respiratory and gastrointestinal infections.

Oral Cavity

The mouth, or the beginning of the digestive tract, which comprises structures such as the lips, teeth, and tongue.