Molecular Biophysics Online Test

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Molecular Biophysics

Description: This quiz will test your knowledge of Molecular Biophysics, a field that studies the physical properties of biological molecules and their interactions.
Number of Questions: 15
Created by: Aliensbrain Bot
Tags: molecular biophysics molecular biology biophysics

What is the primary structure of a protein?

The sequence of amino acids
The three-dimensional structure of the protein
The secondary structure of the protein
The quaternary structure of the protein

Which of the following is NOT a type of secondary structure in proteins?

Alpha helix
Beta sheet
Random coil
Triple helix

What is the tertiary structure of a protein?

The three-dimensional structure of the protein
The sequence of amino acids
The secondary structure of the protein
The quaternary structure of the protein

What is the quaternary structure of a protein?

The three-dimensional structure of the protein
The sequence of amino acids
The secondary structure of the protein
The structure of a protein complex

Which of the following is NOT a type of nucleic acid?

DNA
RNA
Protein
Polysaccharide

What is the double helix structure of DNA?

A structure in which two strands of DNA are twisted around each other
A structure in which two strands of DNA are held together by hydrogen bonds
A structure in which two strands of DNA are held together by covalent bonds
A structure in which two strands of DNA are held together by ionic bonds

What is the function of RNA?

To store genetic information
To carry genetic information from the nucleus to the cytoplasm
To help in the synthesis of proteins
All of the above

What is the central dogma of molecular biology?

DNA makes RNA makes protein
RNA makes DNA makes protein
Protein makes DNA makes RNA
Protein makes RNA makes DNA

What is the genetic code?

The set of rules that determines how the sequence of nucleotides in DNA or RNA is translated into a sequence of amino acids in a protein
The set of rules that determines how the sequence of amino acids in a protein is translated into a sequence of nucleotides in DNA or RNA
The set of rules that determines how the sequence of nucleotides in DNA or RNA is translated into a sequence of carbohydrates in a polysaccharide
The set of rules that determines how the sequence of amino acids in a protein is translated into a sequence of carbohydrates in a polysaccharide

What is a mutation?

A change in the sequence of nucleotides in DNA or RNA
A change in the sequence of amino acids in a protein
A change in the structure of a protein
All of the above

What is a gene?

A region of DNA that codes for a protein
A region of DNA that codes for an RNA molecule
A region of DNA that codes for a polysaccharide
A region of DNA that codes for a lipid

What is a chromosome?

A long molecule of DNA that contains many genes
A protein that helps to package DNA into chromosomes
A structure that helps to organize DNA in the nucleus
All of the above

What is a nucleus?

A membrane-bound organelle that contains the cell's DNA
A membrane-bound organelle that contains the cell's RNA
A membrane-bound organelle that contains the cell's proteins
A membrane-bound organelle that contains the cell's lipids

What is a cell?

The basic unit of life
A small structure that is made up of molecules
A large structure that is made up of cells
All of the above

What is a molecule?

A group of atoms that are held together by chemical bonds
A group of molecules that are held together by chemical bonds
A group of atoms that are held together by physical bonds
A group of molecules that are held together by physical bonds

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