biology_flashcards_full
What is the function of the nucleus?
Stores genetic information and controls cell activities
What is the role of ribosomes?
Synthesize proteins from amino acids
What are mitochondria known for?
Producing energy in the form of ATP through cellular respiration
What are the main types of lipids?
Fats, phospholipids, and steroids
What is the function of phospholipids?
Form the lipid bilayer of cell membranes
What is the primary structure of a protein?
A sequence of amino acids in a polypeptide chain
What are enzymes?
Biological catalysts that speed up chemical reactions in the body
How do enzymes work?
They lower the activation energy of reactions
What is the active site?
The specific region of an enzyme where the substrate binds
What is natural selection?
The process where organisms with favorable traits are more likely to survive and reproduce
What is genetic drift?
A mechanism of evolution due to random changes in allele frequencies in a population