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Which part of the cell serves as the control center and contains genetic material?
Nucleus
Which molecule carries the genetic information from DNA to the protein-making parts of the cell?
RNA
Which type of macromolecule is used primarily for long-term energy storage and insulation in the body?
Lipids
Which type of micro-organism is responsible for causing diseases like the flu and COVID-19?
Viruses
What is the role of the mitochondria in a cell?
Production of energy
Which type of macromolecule is DNA?
Nucleic acid
Which type of macromolecule is made up of amino acids?
Proteins
Which of the following diseases is caused by a bacteria?
Tuberculosis
Which part of a cell is responsible for breaking down waste materials and cellular debris?
Lysosomes
What is the process by which DNA is copied called?
Replication
Which type of macromolecule is the primary source of energy for cells?
Carbohydrates
What is the role of antibiotics in treating disease?
They kill bacteria
What are the small structures within cells that perform specific functions called?
Organelles
What is the name for the three-base sequence of nucleotides in mRNA that codes for a specific amino acid?
Codon
What are the four main types of macromolecules found in living organisms?
Proteins, nucleic acids, carbohydrates, lipids
Which of the following is located in the nucleus of an atom?
Protons & Neutrons
Which of the following is a physical change?
Melting of ice
In a balanced chemical equation, the number of atoms of each element on the reactant side equals the product side. This statement illustrates:
Law of Conservation of Mass
Increasing the temperature ususally has what effect on a chemical reaction?
Speeds it up
What happens to the solubility of most solid solutes in liquid solvents as the temperature increases?
It increases
What is the pH of a neutral solution, such as pure water?
7
Which part of an atom carries a negative charge?
Electron
Density is an example of which type of property?
Physical property
What is a substance called that speeds up a chemical reaction without being consumed by the reaction?