Biology Semester Exam

What is the basic unit of life?

• Atom

• Cell

• Tissue

• Organ

Which macromolecule is primarily responsible for storing genetic information?

• Protein

• DNA

• Lipid

• Carbohydrate

What process allows water to move across a cell membrane?

• Active transport

• Osmosis

• Endocytosis

• Exocytosis

Which organelle is the site of protein synthesis?

• Nucleus

• Ribosome

• Mitochondria

• Golgi apparatus

What is the sugar found in RNA?

• Deoxyribose

• Ribose

• Glucose

• Fructose

Which phase of mitosis involves the chromosomes lining up in the center of the cell?

• Prophase

• Metaphase

• Anaphase

• Telophase

What type of mutation changes a single nucleotide in DNA?

• Frameshift mutation

• Point mutation

• Deletion mutation

• Duplication mutation

Which macromolecule is made up of amino acids?

• Carbohydrate

• Protein

• Lipid

• Nucleic acid

What is the process by which cells divide to produce gametes?

• Mitosis

• Meiosis

• Binary fission

• Budding

Which base pairs with adenine in DNA?

• Cytosine

• Thymine

• Guanine

• Uracil