Bio 137 Semester 1 Review

Front

What is active transport?

Back

The movement of molecules from low concentration to high concentration against the concentration gradient, requiring energy.

Front

What are monosaccharides?

Back

Monosaccharides are the simplest form of carbohydrates and serve as the monomers for more complex carbohydrates.

Front

Where does cellular respiration occur in a cell?

Back

Cellular respiration occurs in the mitochondria.

Front

What is the first step in a scientific experiment?

Back

The first step is to identify a question or problem to investigate.

Front

What is an observation in scientific terms?

Back

An observation is information you notice and record using your five senses.

Front

What is diffusion?

Back

Diffusion is the movement of molecules from an area of high concentration to an area of low concentration.

Front

What is osmosis?

Back

Osmosis is the diffusion of water molecules through a selectively permeable membrane.

Front

What are the four main types of macromolecules?

Back

Carbohydrates, lipids, proteins, and nucleic acids.

Front

What is the role of enzymes in biological reactions?

Back

Enzymes act as catalysts to speed up chemical reactions without being consumed in the process.

Front

What is the function of the chloroplast?

Back

Chloroplasts are organelles in plant cells that conduct photosynthesis, converting light energy into chemical energy.