BIOL 351/ BIOL351 Module 1: (Latest 2026/ 2027 Update)
100% Verified Questions & Answers | Grade A
Module 1-
What is the smallest unit of life?
A cell
What defines a living cell?
It must be separate from its environment, extract energy from food, grow, and reproduce.
What are the two main types of cells?
Prokaryotic and eukaryotic cells.
Where is genetic information found in prokaryotic cells?
In a nucleoid region.
What is a key feature of eukaryotic cells?
They have a membrane-enclosed nucleus.
What are the four main macromolecules found in the human body?
Carbohydrates, proteins, lipids, and nucleic acids.
What process breaks down macromolecules into monomers?
Hydrolysis.
What process synthesizes macromolecules from monomers?
Dehydration synthesis.
, What is the primary function of a cell's plasma membrane?
To regulate the movement of molecules in and out of the cell.
What is cytoplasm?
The solution inside a cell's plasma membrane, containing organelles and dissolved substances.
What are ribosomes responsible for?
Assembling proteins by connecting amino acids in the correct order.
What are the monomers of nucleic acids?
Nucleotides.
What are the components of a nucleotide?
A phosphate group, a sugar, and a nitrogenous base.
What are the nitrogenous bases found in DNA?
Adenine, thymine, cytosine, and guanine.
What are the nitrogenous bases found in RNA?
Adenine, uracil, cytosine, and guanine.
What is the central dogma of molecular biology?
The flow of information from DNA to RNA to protein.
What is the role of mRNA in protein synthesis?
It serves as a copy of the information stored in DNA for protein assembly.
100% Verified Questions & Answers | Grade A
Module 1-
What is the smallest unit of life?
A cell
What defines a living cell?
It must be separate from its environment, extract energy from food, grow, and reproduce.
What are the two main types of cells?
Prokaryotic and eukaryotic cells.
Where is genetic information found in prokaryotic cells?
In a nucleoid region.
What is a key feature of eukaryotic cells?
They have a membrane-enclosed nucleus.
What are the four main macromolecules found in the human body?
Carbohydrates, proteins, lipids, and nucleic acids.
What process breaks down macromolecules into monomers?
Hydrolysis.
What process synthesizes macromolecules from monomers?
Dehydration synthesis.
, What is the primary function of a cell's plasma membrane?
To regulate the movement of molecules in and out of the cell.
What is cytoplasm?
The solution inside a cell's plasma membrane, containing organelles and dissolved substances.
What are ribosomes responsible for?
Assembling proteins by connecting amino acids in the correct order.
What are the monomers of nucleic acids?
Nucleotides.
What are the components of a nucleotide?
A phosphate group, a sugar, and a nitrogenous base.
What are the nitrogenous bases found in DNA?
Adenine, thymine, cytosine, and guanine.
What are the nitrogenous bases found in RNA?
Adenine, uracil, cytosine, and guanine.
What is the central dogma of molecular biology?
The flow of information from DNA to RNA to protein.
What is the role of mRNA in protein synthesis?
It serves as a copy of the information stored in DNA for protein assembly.
