when light interacts with a perfectly smooth surface like a mirror the dominant interaction is
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ATI TEAS 7

TEAS version 7 quizlet science

1. When light interacts with a perfectly smooth surface, like a mirror, the dominant interaction is:

Correct answer: D

Rationale: When light interacts with a perfectly smooth surface like a mirror, the dominant interaction is specular reflection. Specular reflection occurs when light rays are reflected off a smooth surface at the same angle as the incident angle, resulting in a clear and sharp reflection. Refraction, which involves the bending of light as it passes from one medium to another, is not the dominant interaction with a perfectly smooth surface. Diffraction, the bending of light waves around obstacles, is not the dominant interaction with smooth surfaces. Total internal reflection occurs when light is reflected back into a medium due to encountering a boundary at an angle greater than the critical angle, but it is not the dominant interaction on a perfectly smooth surface like a mirror.

2. What is the structure surrounding and protecting the testes, maintaining the optimal temperature for sperm production?

Correct answer: C

Rationale: The scrotum is the structure that surrounds and protects the testes. It plays a vital role in maintaining an optimal temperature for sperm production by adjusting the distance of the testes from the body to regulate the effects of external temperature changes. This mechanism helps to safeguard the viability and quality of sperm by ensuring they develop at the right temperature. The epididymis (Choice A) is a coiled tube where sperm mature and are stored, not the structure surrounding the testes. The vas deferens (Choice B) is a duct that carries sperm from the testes to the urethra, not the protective structure around the testes. The prostate gland (Choice D) is part of the male reproductive system, responsible for secreting fluids that nourish and protect sperm, but it is not the structure that surrounds and protects the testes for sperm production.

3. What is the function of the Golgi apparatus?

Correct answer: B

Rationale: The Golgi apparatus plays a crucial role in the cell by packaging and modifying proteins and lipids synthesized by the endoplasmic reticulum. These proteins and lipids are then transported to their final destinations within the cell or outside of it. The Golgi apparatus does not break down and recycle cellular waste, generate energy through cellular respiration, or translate DNA into proteins. Its primary function is related to processing and sorting molecules for cellular use.

4. Which of the following compounds often contains a carboxyl group?

Correct answer: C

Rationale: The correct answer is C: Amino Acids. Amino acids, the building blocks of proteins, contain both an amine group and a carboxyl group. The carboxyl group (-COOH) is crucial for the structure and function of proteins as it participates in peptide bond formation. Carbohydrates and DNA do not typically contain carboxyl groups as a functional group. Glycolipids consist of a carbohydrate chain linked to a lipid, but they do not inherently contain a carboxyl group.

5. What are fingernails and toenails primarily made of?

Correct answer: B

Rationale: Fingernails and toenails are primarily made of a protein called keratin. Keratin is a tough, fibrous protein that provides structure and strength to nails, hair, and the outer layer of skin. Collagen, as mentioned, is found in the dermis and is not the primary component of nails. Melanin provides pigment to the skin and hair, not the structure of nails. Sebum is an oily substance produced by the skin's sebaceous glands and is not a structural component of nails.

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