Biology: Cell Processes Quiz

The process of taking substances into a cell by engulfing them. It's like the cell swallowing a food particle.

The process of releasing substances from a cell. It's like the cell spitting something out.

Organisms that get energy by eating others, like animals that eat plants.

Organisms that make their own energy, like plants using photosynthesis.

The first step of cellular respiration, breaking down glucose for energy. It's like the initial preparation step.

Producers use sunlight to turn water and carbon dioxide into sugar and oxygen. It's like the plant factory.

The process of energy production using oxygen. It’s like the most efficient way to generate energy.

Energy production in the absence of oxygen. It's like a backup energy plan.

Electron carriers like NADH and FADH₂ transport energy during respiration. They’re like energy couriers.

The original measurements or observations collected during an experiment.

A testable explanation or prediction about what will happen in an experiment.

Something that can change in an experiment (independent, dependent, or controlled).

A well-tested explanation for a wide range of observations and experiments.

Traits that all living organisms share, like growth, reproduction, response to the environment, and energy use.

The process by which living things maintain a stable internal environment.

The smallest unit of an element, consisting of protons, neutrons, and electrons.

The substances that are produced during a chemical reaction. Think of them as the results of combining ingredients.

The energy required to start a chemical reaction. Imagine it as the push needed to get a ball rolling.

Proteins that speed up chemical reactions in the body. They act as catalysts, helping things happen faster.

A substance made of two or more elements chemically bonded together, like water (H₂O).

Electrons in the outermost shell of an atom, involved in chemical bonding. They are like the hands that connect atoms together.

A scale that measures the acidity or alkalinity of a substance. The lower the number, the more acidic.

A powerful microscope that uses electrons to view tiny structures. Imagine it as a super-zoom lens for the microscopic world.

The control center of the cell, containing DNA. It's like the brain of a cell and contains all the instructions.

A protective layer that surrounds a cell, controlling what enters and leaves. It acts like a gatekeeper.