Vitamin E Is Necessary Because It Is

question 45

Multiple Choice

Vitamin E is necessary because it is:

• A)essential for blood clotting
• B)an antioxidant that prevents destruction of cell membranes
• C)a coenzyme for cell respiration
• D)a coenzyme for the synthesis of bone matrix

Understand the distinction between hypotheses and theories and their roles in scientific research.

Identify the purpose and benefits of a double-blind study.

Understand the ethical considerations in conducting research, including the use of deception.

Learn about operational definitions and their significance in research methodology.

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Definitions:

Dense Connective Tissue

A type of tissue that may be irregular, as in the dermis of the skin, or regular, as in tendons.

Collagen Fibers

Strong, flexible protein fibers that form the supportive framework of connective tissues in the body, including skin, bone, and cartilage.

Semifluid Matrix

A viscous, semi-liquid substance found within various biological systems, such as the cytoplasm of a cell, providing a medium for cellular processes.

Dermis

The layer of dense connective tissue beneath the epidermis in the skin of vertebrates.