HESI A2 V2 Biology Questions and
Answers | Latest Version | 2025/2026 |
Correct & Verified
What type of lipid makes up most of the cell membrane?
✔✔Phospholipids
What process allows water molecules to move across a semi-permeable membrane?
✔✔Osmosis
What type of bond involves the sharing of electrons between atoms?
✔✔Covalent bond
What type of bond involves the transfer of electrons between atoms?
✔✔Ionic bond
What organelle is responsible for detoxification and lipid synthesis?
✔✔Smooth endoplasmic reticulum
1
,What organelle is studded with ribosomes and helps produce proteins?
✔✔Rough endoplasmic reticulum
What is the process by which plants release oxygen into the atmosphere?
✔✔Photosynthesis
What organelle stores water, nutrients, and waste in plant cells?
✔✔Central vacuole
What is the main structural component of the plant cell wall?
✔✔Cellulose
What part of the chloroplast contains chlorophyll and is the site of light-dependent reactions?
✔✔Thylakoid
What is the set of all chemical reactions occurring in a cell or organism called?
✔✔Metabolism
2
, What type of organism depends on consuming others for energy?
✔✔Heterotroph
What cellular organelle is responsible for producing ATP, the main energy currency of the cell?
✔✔Mitochondria
What is the primary pigment in plants that captures light energy for photosynthesis?
✔✔Chlorophyll
Which biomolecule is made up of amino acids?
✔✔Proteins
What type of bond holds the two strands of DNA together?
✔✔Hydrogen bonds
What is the process by which DNA is copied before cell division?
✔✔DNA replication
3
Answers | Latest Version | 2025/2026 |
Correct & Verified
What type of lipid makes up most of the cell membrane?
✔✔Phospholipids
What process allows water molecules to move across a semi-permeable membrane?
✔✔Osmosis
What type of bond involves the sharing of electrons between atoms?
✔✔Covalent bond
What type of bond involves the transfer of electrons between atoms?
✔✔Ionic bond
What organelle is responsible for detoxification and lipid synthesis?
✔✔Smooth endoplasmic reticulum
1
,What organelle is studded with ribosomes and helps produce proteins?
✔✔Rough endoplasmic reticulum
What is the process by which plants release oxygen into the atmosphere?
✔✔Photosynthesis
What organelle stores water, nutrients, and waste in plant cells?
✔✔Central vacuole
What is the main structural component of the plant cell wall?
✔✔Cellulose
What part of the chloroplast contains chlorophyll and is the site of light-dependent reactions?
✔✔Thylakoid
What is the set of all chemical reactions occurring in a cell or organism called?
✔✔Metabolism
2
, What type of organism depends on consuming others for energy?
✔✔Heterotroph
What cellular organelle is responsible for producing ATP, the main energy currency of the cell?
✔✔Mitochondria
What is the primary pigment in plants that captures light energy for photosynthesis?
✔✔Chlorophyll
Which biomolecule is made up of amino acids?
✔✔Proteins
What type of bond holds the two strands of DNA together?
✔✔Hydrogen bonds
What is the process by which DNA is copied before cell division?
✔✔DNA replication
3
