# Tutor profile: Megan M.

## Questions

### Subject: Health and Medicine

Which of the following is a structural, fibrous protein found in the dermis? (A) Collagen (B) Heparin (C) Lipocyte (D) Melanin

The correct answer is A. Heparin is a medication given thin the blood and prevent blood clots. Lipocytes are responsible for the storing of fat in the body. Melanin is the brown or black pigment that is responsible for the coloring of the skin, hair, and eyes in humans.

### Subject: Anatomy

Which of the following terms describes the body's ability to maintain its normal state? (A) Anabolism (B) Catabolism (C) Homeostasis (D) Metabolism

The answer is C. The body's ability to maintain a normal state is called homeostasis.

### Subject: Algebra

Factor the algebraic expression 6x^2 - 21xy + 8xz - 28yz

1. Group the first two terms and the last two terms (6x^2-21xy)+ 8xz-28yz 2. Factor out the greatest common factor from each group 3x(2x-7y)+ 4z(2x-7y) 4. Notice that the numbers in the parentheses are the same on both sides. Factor out the polynomial. (2x-7y)(3x+4z) 5. You can check your answer by multiplying the polynomials together.

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