Sanchez Biology Fall Semester Exam 2021

Front

What is the energy currency of the cell?

Back

ATP (Adenosine Triphosphate) is the energy currency of the cell, used to store and transfer energy for various cellular processes.

Front

What is the function of nucleic acids?

Back

Nucleic acids, such as DNA and RNA, contain genetic information and are essential for the storage, transmission, and expression of genetic material.

Front

Which organelle is NOT found in prokaryotic cells?

Back

The nucleus is not found in prokaryotic cells; they lack membrane-bound organelles.

Front

Are all mutations harmful?

Back

No, not all mutations are harmful; some can be neutral or even beneficial, contributing to genetic diversity.

Front

During which stage of the cell cycle does mitosis occur?

Back

Mitosis occurs during the M phase of the cell cycle, which includes both mitosis and cytokinesis.

Front

What is the role of mitochondria in a cell?

Back

Mitochondria are known as the powerhouse of the cell, responsible for producing ATP through cellular respiration.

Front

What are the four main types of macromolecules?

Back

The four main types of macromolecules are carbohydrates, lipids, proteins, and nucleic acids.

Front

What is the primary function of proteins in cells?

Back

Proteins serve various functions, including acting as enzymes, structural components, and signaling molecules.

Front

What is the structure of DNA?

Back

DNA is a double helix composed of nucleotides, which include a sugar, phosphate group, and nitrogenous base.

Front

What is the difference between DNA and RNA?

Back

DNA is double-stranded and contains deoxyribose sugar, while RNA is single-stranded and contains ribose sugar.