Microorganisms On and In the Human Body

What is an organism?

• A type of plant that grows in water.

• An individual living entity, such as an animal, plant, or single-celled life form, that can function independently.

• A group of cells that cannot survive on their own.

• A non-living thing that interacts with living organisms.

Organ Noun

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[awr-guhn]

• A structure composed of different tissues that work together to perform one or more specific functions in an organism.

• A single cell that performs a specific function.

• A group of organs that work together to form a system.

• A type of tissue that connects different parts of the body.

What is a Bacterial Culture?

• A laboratory method for growing microorganisms in a nutrient-rich medium to study their characteristics and behavior.

• A technique for identifying bacterial species based on their shape and size.

• A process of sterilizing equipment used in microbiology labs.

• A method for extracting DNA from bacterial cells.

What is a Molecule?

• A group of two or more atoms held together by chemical bonds, representing the smallest unit of a substance.

• A single atom that cannot be broken down further.

• A type of chemical reaction involving the rearrangement of atoms.

• A large structure made up of multiple molecules.

What does the term Unicellular refer to?

• An organism made of multiple cells

• An organism made of only one cell

• An organism that cannot reproduce

• An organism that is always microscopic

What is the definition of 'Scale'?

• The relative size or extent of something, used to compare objects of vastly different dimensions from macroscopic to microscopic.

• A tool used to measure temperature in various environments.

• A method of calculating the area of a surface.

• A type of graph used to represent data visually.

What is a subsystem?

• A group of interacting parts that function together within a larger biological system for a specific purpose.

• A single organ that operates independently within a biological system.

• A collection of unrelated parts that do not interact with each other.

• A type of system that does not have any specific function.

What is the Cell Membrane?

• A rigid structure that provides support to the cell

• The semipermeable boundary surrounding a cell's cytoplasm, which controls the passage of substances into and out of the cell.

• A part of the cell responsible for energy production

• The genetic material found within the cell

What does the term Multicellular refer to?

• Describing a living organism composed of many different, specialized cells that work together to sustain the organism.

• A type of organism that consists of only one cell.

• An organism that can live in extreme environments.

• A term used to describe organisms that reproduce asexually.

What is a nanometer?

• A unit of length equal to one billionth of a meter, often used for measuring molecules and viruses.

• A unit of weight equal to one billionth of a gram.

• A unit of time equal to one billionth of a second.

• A unit of temperature equal to one billionth of a degree Celsius.