Biochemistry
What is the primary function of enzymes in biochemistry?
To catalyze chemical reactions
Which molecule is the primary energy source for cellular activities?
Carbohydrates
What is the process by which DNA is copied into RNA called?
Transcription
Which of the following is NOT a type of RNA?
DNA
What is the main function of ribosomes in cells?
To synthesize proteins
Which of the following is NOT a component of an amino acid?
Phosphate group
Which molecule is responsible for carrying oxygen in red blood cells?
Hemoglobin
What is the main structural component of cell membranes?
Lipids
Which of the following is an example of a catabolic reaction?
Cellular respiration
What is the pH scale used to measure?
Acidity or alkalinity