How strong your cellular and molecular biology is? What if you get a wonderful chance to assess your knowledge regarding the same? Take this practice test and improve your understanding of molecular biology. Cell and molecular biology is a field of science that deals with the study of the structure and function of the cell. Are you highly interested to learn about these processes? Here is the quiz for that. Give it a try and see what you already know about molecular biology.
Amino acids
Ions
DNA
Nucleotides
Enzymes
Products
Directions
Reactants
The number of protons in the nuclei of their atoms
The number of atoms in a sample of each element
The number of electrons in the nuclei of their atoms
The number of nuclei in their atoms
A pair of electrons is shared between two atoms.
The outer energy levels of the atoms are filled.
An electrical force forms between pairs of electrons.
An electrical force forms between oppositely charged ions.
Solvent
Solution
Solute
Protein
Carbon, nitrogen, and hydrogen
Carbon, hydrogen, and oxygen
Starches and sugars
Carbon, hydrogen, nitrogen, and oxygen
Saturated fatty acids contain at least one carbon-carbon double bond.
Saturated fatty acids are found only in oils.
Carbons in saturated fatty acids are bonded together only with covalent bonds.
Saturated fatty acids contain only carbon-carbon single bonds.
Bond energy
Activation energy
Endothermic energy
Exothermic energy
Enzyme and products
Enzyme and catalyst
Enzyme and substrates
Enzyme and active site
It raises the activation energy of the reaction.
It lowers the activation energy of the reaction.
It has no effect on the activation energy of the reaction.
First it lowers the activation energy to start the reaction, then it raises the activation energy to keep the reaction under control.
Substrate
Lock-and-key
Product
Active site
Concentration of substrate
Temperature
PH
Both temperature and pH
Less than 7
Between 7 and 14
A negative number
More than 7
Carbon
Nitrogen
Calcium
Sodium
Lipid
Carbohydrate
Protein
Nucleic acid
Structural Isomers
Stereoisomers
Equivalents
Nonequivalents
Endothermic
Exothermic
Kinetic
Passive
Endothermic
Exothermic
Kinetic
Passive
The Catalyst lowers the energy needed for the reaction to proceed.
The Catalyst raises the energy needed for the reaction to proceed.
The Catalyst does not affect the reaction.
The reaction will not work without the catalyst
Cohesion
Adhesion
Density
Bouyancy
Cohesion
Adhesion
Density
Bouyancy
Water is a polar molecule.
Water is a nonpolar molecule.
Water is an ionic compound.
Water is an ion.
Nucleus
Vesicle
Vacuole
Cell wall
Phospholipids and proteins
Cholesterol and nucleic acids
Proteins, nucleic acids, and cholesterol
Phospholipids, cholesterol, and proteins
Membrane receptor
Intercellular receptor
Intracellular receptor
Ligand receptor
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