Hesi A2 Biology Actual Exam Questions And Answers 2024-25 Pass
At First Attempt !!! Questions And Correct Answers (100% Correct
Verified Answers)
most significant aspect of water is - CORRECT ANSWERS-the polarity of its bonds that allows
for hydrogen bonding between molecules
specific heat - CORRECT ANSWERS-the amount of heat necessary to raise the temperature of
1 gram of that molecule 1 degree celsius
water has high specific heat due to - CORRECT ANSWERS-the extent of hydrogen bonding
between water molecules, which allows waters to resist shifts in temperature (ability of oceans or large
bodies of water to stabilize climates)
cohesion - CORRECT ANSWERS-the ability of a molecule to stay bonded or attracted to
another molecule of the same substance (water running together on a newly waxed car)
adhesion - CORRECT ANSWERS-the ability of water to bond to or attract other molecules or
substances (when water is sprayed onto the wall, some of it sticks to the wall)
when water freezes it forms - CORRECT ANSWERS-lattice crystals; causing the molecules to
spread apart, resulting in the phenomenon of ice floating
polarity of water allows it to act as an - CORRECT ANSWERS-versatile solvent (used to dissolve
a number of different solvents)
carbohydrates - CORRECT ANSWERS-longs chains, or polymers of sugar
-used for storage, structure, and energy
-the backbone of important molecules such as DNA and RNA
, lipids - CORRECT ANSWERS-known as fats, but specifically they are fatty acids, phospholipids,
and steroids
fatty acids - CORRECT ANSWERS-Vary greatly but simply are grouped into two categories:
saturated and unsaturated
saturated fats - CORRECT ANSWERS-contain no double bonds in their hydrogen tail
-solids at room temp
-lead to cardiovascular problems associated with diets
unsaturated fats - CORRECT ANSWERS-have one or more double bonds
-liquid at room temperature
phospholipids - CORRECT ANSWERS--consist of two fatty acids of varying length bonded to a
phosphate group
-phosphate group is charged and therefore polar and soluble in water
steroids - CORRECT ANSWERS--component of membranes
-precursors to significant hormones and drugs
Nucleic Acids - CORRECT ANSWERS--components of the molecules of inheritance
-DNA and RNA
kingdom - CORRECT ANSWERS-largest and most inclusive category
species - CORRECT ANSWERS-most restrictive category
hierarchic organizational system - CORRECT ANSWERS-kingdom, phylum, class, order, family,
genius, species
At First Attempt !!! Questions And Correct Answers (100% Correct
Verified Answers)
most significant aspect of water is - CORRECT ANSWERS-the polarity of its bonds that allows
for hydrogen bonding between molecules
specific heat - CORRECT ANSWERS-the amount of heat necessary to raise the temperature of
1 gram of that molecule 1 degree celsius
water has high specific heat due to - CORRECT ANSWERS-the extent of hydrogen bonding
between water molecules, which allows waters to resist shifts in temperature (ability of oceans or large
bodies of water to stabilize climates)
cohesion - CORRECT ANSWERS-the ability of a molecule to stay bonded or attracted to
another molecule of the same substance (water running together on a newly waxed car)
adhesion - CORRECT ANSWERS-the ability of water to bond to or attract other molecules or
substances (when water is sprayed onto the wall, some of it sticks to the wall)
when water freezes it forms - CORRECT ANSWERS-lattice crystals; causing the molecules to
spread apart, resulting in the phenomenon of ice floating
polarity of water allows it to act as an - CORRECT ANSWERS-versatile solvent (used to dissolve
a number of different solvents)
carbohydrates - CORRECT ANSWERS-longs chains, or polymers of sugar
-used for storage, structure, and energy
-the backbone of important molecules such as DNA and RNA
, lipids - CORRECT ANSWERS-known as fats, but specifically they are fatty acids, phospholipids,
and steroids
fatty acids - CORRECT ANSWERS-Vary greatly but simply are grouped into two categories:
saturated and unsaturated
saturated fats - CORRECT ANSWERS-contain no double bonds in their hydrogen tail
-solids at room temp
-lead to cardiovascular problems associated with diets
unsaturated fats - CORRECT ANSWERS-have one or more double bonds
-liquid at room temperature
phospholipids - CORRECT ANSWERS--consist of two fatty acids of varying length bonded to a
phosphate group
-phosphate group is charged and therefore polar and soluble in water
steroids - CORRECT ANSWERS--component of membranes
-precursors to significant hormones and drugs
Nucleic Acids - CORRECT ANSWERS--components of the molecules of inheritance
-DNA and RNA
kingdom - CORRECT ANSWERS-largest and most inclusive category
species - CORRECT ANSWERS-most restrictive category
hierarchic organizational system - CORRECT ANSWERS-kingdom, phylum, class, order, family,
genius, species
