1st Semester Biology Review

Front

What are the four macromolecules?

Back

Proteins, nucleic acids, carbohydrates, and lipids.

Front

The organic compounds that have many structural purposes and are used in many processes within the cell are called ____________________.

Back

Proteins.

Front

What is the energy conversion during photosynthesis?

Back

Radiant/light --> chemical.

Front

Which of these phases of mitosis take place first?

Back

Prophase.

Front

Each body cell in an earthworm contains 36 chromosomes. How many chromosomes are in each of its gametes?

Back

18.

Front

What is the primary function of carbohydrates in living organisms?

Back

To provide energy and structural support.

Front

Define lipids and their role in biological systems.

Back

Lipids are organic compounds that are hydrophobic and serve as energy storage, structural components of cell membranes, and signaling molecules.

Front

What is the role of nucleic acids in cells?

Back

Nucleic acids, such as DNA and RNA, store and transmit genetic information.

Front

Describe the process of cellular respiration.

Back

Cellular respiration is the process by which cells convert glucose and oxygen into energy (ATP), carbon dioxide, and water.

Front

What is the difference between mitosis and meiosis?

Back

Mitosis results in two identical daughter cells, while meiosis produces four genetically diverse gametes.