Simplify Your Answer Should Be in Lowest Terms $$5 \frac { 1 } { 3 } + 5 \frac { 1 } { 3 } + 6 \frac { 5 } { 9 }$$

question 37

Multiple Choice

Simplify. Your answer should be in lowest terms.
- $$5 \frac { 1 } { 3 } + 5 \frac { 1 } { 3 } + 6 \frac { 5 } { 9 }$$

• A) \(16 \frac { 4 } { 9 }\)
• B) \(17 \frac { 2 } { 9 }\)
• C) \(16 \frac { 2 } { 9 }\)
• D) \(17 \frac { 2 } { 27 }\)

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Definitions:

Pre-T Cells

Immature T cells that are in the process of developing their specificity and functionality in the thymus.

Pre-B Cells

Immature B cells undergoing maturation in the bone marrow, important for the adaptive immune system.

Negative Selection

A process in immunology where self-reactive T or B cells are eliminated during development, preventing autoimmune diseases.

Positive Selection

A process in the immune system whereby cells that recognize a foreign antigen with high affinity are selectively proliferated.