HESI A2 Biology Exam Questions with
Accurate Answers
what is the major component of the blood plasma? - ✔✔Water
How many a layers of phospholipids does the cell membrane contain? - ✔✔2
Which substance stores polysaccharides in plants? - ✔✔Cellulose
An important concept in DNA and RNA structure is complementary base pairing. Which tow
bases are incorrectly paired? - ✔✔T-U
A-T
If the zygomatic arch was broken, where is the fracture located? - ✔✔Face
Aerobic respiration occurs in the presence of what necessary molecule? - ✔✔Oxygen
What is the structural difference between a prokaryotic and a eukaryotic cell? - ✔✔Prokaryotic
cells do not contain a nucleus
Replication takes place in what organelle ? - ✔✔Nucleus
To show an enzymatic reaction by blocking the active site, what molecules could be added to
the solution? - ✔✔Completive inhibitors
what molecules make up the cellular membrane ? - ✔✔Lipids
Accurate Answers
what is the major component of the blood plasma? - ✔✔Water
How many a layers of phospholipids does the cell membrane contain? - ✔✔2
Which substance stores polysaccharides in plants? - ✔✔Cellulose
An important concept in DNA and RNA structure is complementary base pairing. Which tow
bases are incorrectly paired? - ✔✔T-U
A-T
If the zygomatic arch was broken, where is the fracture located? - ✔✔Face
Aerobic respiration occurs in the presence of what necessary molecule? - ✔✔Oxygen
What is the structural difference between a prokaryotic and a eukaryotic cell? - ✔✔Prokaryotic
cells do not contain a nucleus
Replication takes place in what organelle ? - ✔✔Nucleus
To show an enzymatic reaction by blocking the active site, what molecules could be added to
the solution? - ✔✔Completive inhibitors
what molecules make up the cellular membrane ? - ✔✔Lipids