HESI A2 BIOLOGY ACTUAL EXAM NEWEST 2025
/ 100+ QUESTIONS WITH DETAILED, VERIFIED
ANSWERS (100% CORRECT)
Practice questions for this set
Learn
Studied 7 terms
Nice work, you're crushing it
Continue studying in Learn
Terms in this set (108)
Hierarchic Organizational Kingdom
system for nomenclature Phylum
Class
Order
Family
Genus
Species (Least)
"Keep Penguins Cool Or Find Good Shelter"
Observation
Hypothesis
Scientific Method
Experiment
Conclusion
, Water All life, and therefore biology , occurs in water.
Properties of Water 2 Hydrogen bonds Covalently bonded to Oxygen.
Hydrogen Bonding between molecules.
- High specific heat
- Large bodies or water stabilize climates
- Strong cohesive and adhesive properties
- Water freezes forms a lattice crystal resulting in icefloating
in water.
- Polarity of water allows it to act as a universalsolvent.
- Water can be used to dissolve different solvents.
Carbohydrates Long chains, or polymers of sugar. Most importantly form
the backbone of DNA and RNA.
Saturated Clogs arteries. NO DOUBLE BONDS in their hydrocarbon tail.
SOLID @ room temperature.
Unsaturated Double bond in their hydrocarbon tail. LIQUID at room
temperature.
Phospholipids Phosphate group (polar) soluble in
water. Hydrocarbon tail of fatty acids is
nonpolar and nonsoluble in water. Ex.
Cell Membrane
Steroids Are lipids, which are precursors to hormones and drugs
Proteins They are Polymers of 20 molecules called Amino Acids.
Enzymes are a type of protein, which catalyze different
reactions or processes. LARGEST Biological
Molecule
Cell Fundamental unit of biology
/ 100+ QUESTIONS WITH DETAILED, VERIFIED
ANSWERS (100% CORRECT)
Practice questions for this set
Learn
Studied 7 terms
Nice work, you're crushing it
Continue studying in Learn
Terms in this set (108)
Hierarchic Organizational Kingdom
system for nomenclature Phylum
Class
Order
Family
Genus
Species (Least)
"Keep Penguins Cool Or Find Good Shelter"
Observation
Hypothesis
Scientific Method
Experiment
Conclusion
, Water All life, and therefore biology , occurs in water.
Properties of Water 2 Hydrogen bonds Covalently bonded to Oxygen.
Hydrogen Bonding between molecules.
- High specific heat
- Large bodies or water stabilize climates
- Strong cohesive and adhesive properties
- Water freezes forms a lattice crystal resulting in icefloating
in water.
- Polarity of water allows it to act as a universalsolvent.
- Water can be used to dissolve different solvents.
Carbohydrates Long chains, or polymers of sugar. Most importantly form
the backbone of DNA and RNA.
Saturated Clogs arteries. NO DOUBLE BONDS in their hydrocarbon tail.
SOLID @ room temperature.
Unsaturated Double bond in their hydrocarbon tail. LIQUID at room
temperature.
Phospholipids Phosphate group (polar) soluble in
water. Hydrocarbon tail of fatty acids is
nonpolar and nonsoluble in water. Ex.
Cell Membrane
Steroids Are lipids, which are precursors to hormones and drugs
Proteins They are Polymers of 20 molecules called Amino Acids.
Enzymes are a type of protein, which catalyze different
reactions or processes. LARGEST Biological
Molecule
Cell Fundamental unit of biology
