A scientific theory that states: 1-All living things are made up of cells. 2-Cells are the basic unit of life. 3-All cells come from preexisting cells.

The material within a cell, excluding the nucleus.

A space or vesicle within the cytoplasm of a cell, enclosed by a membrane and typically containing fluid.

Molecular machines within cells that synthesize proteins.

Endoplasmic Reticulum

An organelle that forms an interconnected network of flattened, membrane-enclosed sacs or tube-like structures.

A complex of vesicles and folded membranes within the cytoplasm involved in secretion and intracellular transport.

A small set of microtubules arranged in a specific way, found in most eukaryotic cells.

Organelles found in plant cells and eukaryotic algae that conduct photosynthesis.

Organelles that contain digestive enzymes to break down waste materials and cellular debris.

A rigid layer lying outside the plasma membrane of the cells of plants, fungi, and bacteria.

Organisms consisting of a single cell.

Organisms consisting of multiple cells.

A domain of single-celled microorganisms that are prokaryotes, distinct from bacteria.

Cells that contain a nucleus and organelles, and are enclosed by a plasma membrane.

Cells that do not have a nucleus or other membrane-bound organelles.

Microscopic hair-like structures that extend outward from the surface of many animal cells.

A whip-like structure that allows a cell to move.

The arrangement of and relations between the parts or elements of something complex.

The special, normal, or proper activity of an organ or part.

An organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide.

An organism, either a green plant or bacterium, which is part of the first level of a food chain.

An organism deriving its nutritional requirements from complex organic substances.

An organism that feeds on plants or other animals for energy.

The strength and vitality required for sustained physical or mental activity.

Physical substance in general, as distinct from mind and spirit.

A system of interlocking and interdependent food chains.

A graphical representation designed to show the biomass or bio productivity at each trophic level in a given ecosystem.

The position an organism occupies in a food chain.

The process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll.

A class of compounds with antioxidant effects, responsible for the red, purple, and blue colors in many fruits and vegetables.

Living organisms of the kind exemplified by trees, shrubs, herbs, grasses, ferns, and mosses.

A colorless, odorless gas produced by burning carbon and organic compounds and by respiration.

The vascular tissue in plants that conducts water and dissolved nutrients upward from the root.

The vascular tissue in plants that conducts sugars and other metabolic products downward from the leaves.

Tiny openings or pores in plant tissue that allow for gas exchange.

The inner tissue (parenchyma) of a leaf, containing many chloroplasts.

Cells surrounding each stoma that help to regulate the rate of transpiration by opening and closing the stomata.

The process by which cells convert glucose and oxygen into energy, carbon dioxide, and water.

A colorless, odorless reactive gas, essential for respiration.

A transparent, tasteless, odorless, and nearly colorless chemical substance, essential for life.

A simple sugar that is an important energy source in living organisms and is a component of many carbohydrates.

A group of organs that work together to perform one or more functions.

Relating to the circulatory system, which comprises the heart and blood vessels.

Relating to or denoting the musculature and skeleton together.

Relating to the skin and its appendages.

Biology Basics Flashcards

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57 questions

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1.

FLASHCARD QUESTION

Front

Cell Theory

Back

A scientific theory that states:

1-All living things are made up of cells.

2-Cells are the basic unit of life.

3-All cells come from preexisting cells.

2.

FLASHCARD QUESTION

Front

Cell

Back

The smallest structural and functional unit of an organism.

3.

FLASHCARD QUESTION

Front

Organelle

Back

A specialized subunit within a cell that has a specific function.

4.

FLASHCARD QUESTION

Front

Nucleus

Back

The membrane-bound organelle in eukaryotic cells that contains the genetic material.

5.

FLASHCARD QUESTION

Front

Nucleolus

Back

A small dense spherical structure in the nucleus of a cell during interphase.

6.

FLASHCARD QUESTION

Front

Cell Membrane

Back

The semipermeable membrane surrounding the cytoplasm of a cell.

7.

FLASHCARD QUESTION

Front

Mitochondria

Back

Organelles known as the powerhouses of the cell, generating most of the cell's supply of ATP.

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