Cells Crossword

explains how something happens (same thing always happens) and supports theories
an explanation of why something happens based on hypotheses that have been proven through scientifically testing repeatedly over time
a proposed explanation of why something happens that can be tested
The basic unit of structure and function in living things
A widely accepted explanation of the relationship between cells and living things
An instrument that makes small objects look larger
discovered single-celled organisms by looking at water droplets in a microscope
discovered cells by looking at a cork in a microscope
concluded that all plants are made of cells
concluded that animals are made of cells
proposed that new cells ar formed only from cells that already exist
A rigid supporting layer that surrounds the cells of plants and some other organisms
a large oval organelle that contains the cell’s genetic material in the form of DNA and controls many of the cell’s activities
A tiny cell structure that carries out a specific function within the cell
A small grain-shaped organelle in the cytoplasm of a cell that produces proteins
The thick fluid region of a cell located inside the cell membrane or between the cell membrane and nucleus
Rod-shaped organelles that convert energy in food molecules to energy the cell can use to carry out its functions
An organelle that forms a maze of passageways in which proteins and other materials are carried from one part of the cell to another
An organelle in a cell that receives proteins and other newly formed materials from the endoplasmic reticulum, packages them, and distributes them to other parts of the cell
A sac-like organelle that stores water, food, and other materials
An organelle in the cells of plants and some other organisms that captures energy from sunlight and changes it to an energy form that cells can use in making food
A cell organelle which contains chemicals that break down large food particles into smaller ones and that can be used by the rest of the cell
A group of similar cells that perform a specific function
A body structure that is composed of different kinds of tissues that work together
A group of organs that work together to perform a major function
Single-celled organisms that lack a nucleus; prokaryotes
A long, whiplike structure that helps a cell to move
A form of asexual reproduction in which one cell divides, forming two identical cells
A form of sexual reproduction in which a unicellular organism transfers some of its genetic material to another unicellular organism
A structure produced by prokaryotes, such as bacteria, in unfavorable conditions; a thick wall encloses the DNA and some of the cytoplasm
A process of heating food to a temperature that is high enough to kill most harmful bacteria without changing the taste of the food
An organism that gets energy by breaking down biotic wastes and dead organisms, and returns raw materials to the soil and water