Biology Final Exam

Front

What is required for active transport to occur?

Back

ATP (Adenosine Triphosphate) is required for active transport, as it provides the energy needed to move substances against their concentration gradient.

Front

Which organelle is abundant in energy-requiring cells like muscle cells?

Back

Mitochondria are abundant in cells that require a lot of energy, as they are the powerhouse of the cell, producing ATP through cellular respiration.

Front

What is the primary role of ribosomes in a cell?

Back

The primary role of ribosomes is protein synthesis, where they translate messenger RNA (mRNA) into polypeptide chains.

Front

What type of observation is made when leaves on a plant turn brown?

Back

This is a qualitative observation, as it describes the quality or characteristics of the leaves without measuring them.

Front

What is a function of the cell membrane?

Back

The cell membrane regulates the movement of substances in and out of the cell, maintaining homeostasis.

Front

What is the function of mitochondria?

Back

Mitochondria are responsible for producing ATP through the process of cellular respiration, providing energy for the cell.

Front

Define diffusion in biological terms.

Back

Diffusion is the passive movement of molecules from an area of higher concentration to an area of lower concentration.

Front

What is osmosis?

Back

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

Front

What is the role of chloroplasts in plant cells?

Back

Chloroplasts are responsible for photosynthesis, converting light energy into chemical energy in the form of glucose.

Front

What is the difference between qualitative and quantitative observations?

Back

Qualitative observations describe characteristics or qualities, while quantitative observations involve measurements and numerical data.