HESI BIOLOGY STUDY GUIDES ( LATEST 2026/2027 ) ACTUAL QUESTIONS AND ANSWERS 100% CORRECT

HESI BIOLOGY STUDY GUIDES
( LATEST 2026/2027 ) ACTUAL QUESTIONS AND ANSWERS
100% CORRECT
1. Amino acids:
Answer:
Building blocks of protein
2. Largest Biological Molecule:
Answer:
Proteins
3. Enzymes:
Answer:
particular types of proteins that act to catalyze different reactions or processes
Biological catalyst
Proteins that speed up chemical reactions
Functional proteins; their names usually end in - ase
Act as catalysts for special chemical reactions within the human bod
Protein that speeds up chemical reactions by lowering activation energy
4. Nucleic Acids:
Answer:
components of the molecules of inheritance DNA and RNA
5. DNA:
Deoxyribonucleic Acid is a unique molecule specific to a particular organism and
contains the code that is necessary for replication
A double-stranded, helical nucleic acid molecule capable of replicating and
determining the inherited structure of a cell's proteins.
6. RNA:
Answer:
Ribonucleic Acid is used in transfer and as a messenger in most species
of the genetic code