Wgu C653 Heredity And Genetics Comprehensive Exam Questions And Correct Answers Study Guide

WGU C653 HEREDITY AND GENETICS
COMPREHENSIVE EXAM QUESTIONS AND
CORRECT ANSWERS STUDY GUIDE

●● Protons
Answer: Positive charge; determine the element.


●● Neutrons
Answer: No charge; determine the isotope.


●● Electrons
Answer: Negative charge; involved in chemical bonding.


●● Cohesion
Answer: Water sticking to water; responsible for surface tension.


●● Adhesion
Answer: Water sticking to other substances.


●● Surface Tension
Answer: Caused by cohesion between water molecules.

,●● High Specific Heat
Answer: Water resists temperature changes, helping organisms maintain
stable body temperature.


●● Hydrophobic
Answer: Nonpolar; repels water.


●● Hydrophilic
Answer: Polar; attracted to water.


●● Protein
Answer: Polymer made of amino acids.


●● Carbohydrate
Answer: Primary source of quick energy.


●● Lipid
Answer: Long-term energy storage; major component of cell
membranes.


●● Nucleic Acids
Answer: DNA and RNA; store and transmit genetic information.

, ●● ATP
Answer: The cell's primary energy molecule.


●● ATP Energy Release
Answer: Energy is released when the terminal phosphate is removed:
ATP → ADP + Pi.


●● Dehydration Synthesis
Answer: Removes water to build larger molecules.


●● Hydrolysis
Answer: Adds water to break larger molecules apart.


●● Cell Membrane
Answer: Controls what enters and leaves the cell.


●● Cell Wall
Answer: Provides support and protection (plants).


●● Nucleus
Answer: Stores DNA.