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Test Prep CLEP Science and Mathematics Exam Questions
CLEP Science and Mathematics: Biology, Calculus, Chemistry, College Algebra & Mathematics, Precalculus, Natural Sciences (Page 11 )

Updated On: 17-Feb-2026
Page 11 of 103
PDF with 494 Questions

The process by which large fats are broken down into smaller "droplets" of fat for easier chemical digestion within the small intestine is called

  1. lipation
  2. emulsification
  3. hydrolysis
  4. dehydration synthesis
  5. cleavage

Answer(s): B

Explanation:

Emulsification is the term used for breaking down fats into smaller pieces to facilitate chemical digestion. Bile, secreted by the liver, is responsible for doing this within the lumen of the small intestine.



Which of the following is NOT a function of mitosis?

  1. Multiplication of somatic cells
  2. Growth
  3. Production of gametes
  4. Repair of wounds
  5. Replacement of lost or damaged cells

Answer(s): C

Explanation:

Meiosis, not mitosis, is responsible for gamete production.



Which of the following sequences best describes the flow of information that takes place when a eukaryotic gene directs the synthesis of a protein?

  1. RNA DNA RNA protein
  2. DNA mRNA protein
  3. protein RNA DNA
  4. DNA amino acid RNA protein
  5. DNA protein

Answer(s): B

Explanation:

DNA is first transcribed into messenger RNA (mRNA) which is then translated into an amino acid chain (protein) at the ribosomes.



Experiments by Thomas Hunt Morgan with the eye coloration of fruit flies demonstrated that

  1. mutations in DNA can knock out the function of certain genes
  2. one gene carries the code for a single protein
  3. the genes for certain traits are carried on the X-chromosome
  4. eye coloration genes are found on the same chromosome as genes for wing shape and length
  5. only male fruit flies express recessive white eye coloration, while both males and females express the dominant red eye coloration

Answer(s): C

Explanation:

Morgan was the first scientist to show that certain genes were linked to the sex of an organism. These sex-linked traits were coded for by genes carried on the X-chromosome and, if recessive (such as fruit fly white eye coloration), were far more commonly expressed in males (because they have only one X chromosome) than in females. However, rare females did have white eyes in his experiments



A lack of which of the following substances would likely lead to dizziness, fatigue, and confusion due to red blood cells being less able to carry oxygen?

  1. Calcium
  2. Vitamin D
  3. Zinc
  4. Magnesium
  5. Iron

Answer(s): E

Explanation:

Iron is the element that is a key part of hemoglobin protein in red blood cells. Iron binds to oxygen in the lungs and allows red blood cells to carry this oxygen to body cells. Without iron, insufficient oxygen reaches cells of the body. Without oxygen, cells cannot produce adequate ATP, and symptoms such as those described can occur.






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