Test Prep Test Prep Certifications HESI-A2 Questions & Answers

• Question 251:

  All genes can be described using the Punnett Square method. True or False?

  A. True

  B. False

  Correct Answer: B

• Question 252:

  The alternative versions of a single gene are known as:

  A. traits.

  B. characteristics.

  C. RNA.

  D. alleles.

  Correct Answer: D

• Question 253:

  What device makes it possible to predict the genotype and phenotype of the offspring of sexual reproduction?

  A. Punnett square.

  B. Chi square.

  C. PCR.

  D. Microscope.

  Correct Answer: A

• Question 254:

  The traits which an organism shows (as opposed to what its genes code for), is known by which of the following terms?

  A. Phenotype.

  B. Genotype.

  C. Stereotype.

  D. Classification

  Correct Answer: A

• Question 255:

  The plasma membranes of cells are composed of:

  A. a single layer of phospholipid molecules.

  B. a bilayer of phospholipid molecules.

  C. proteins that act as transport highways.

  D. mitochondria.

  Correct Answer: B

• Question 256:

  Which of the following activities does NOT lead to cellular energy production?

  A. Glycolysis.

  B. Gluconeogenesis.

  C. Oxidative Phosphorylation.

  D. Cellular Respiration

  Correct Answer: B

• Question 257:

  Using garden peas, which of the following scientists discovered the basic principles of genetics?

  A. Galileo.

  B. Mendel.

  C. Curie.

  D. Hawking

  Correct Answer: B

• Question 258:

  What characteristic of water allows for hydrogen bonding between molecules?

  A. Its high specific heat.

  B. Its cohesive properties.

  C. Its covalent bonds.

  D. Its polar nature.

  Correct Answer: D

• Question 259:

  Which of the following is the MOST inclusive in the hierarchic system of organization?

  A. Kingdom.

  B. Class.

  C. Genus.

  D. Species.

  Correct Answer: A

• Question 260:

  In which phase of the cell cycle is DNA replicated?

  A. G1

  B. S

  C. G2

  D. D1

  Correct Answer: B