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The Cell System

Across
The process by which the cell membrane takes particles into the cell by changing shape and engulfing the particles.
The series of events in which a cell grows, prepares for division, and divides to form two daughter cells.
A thin, flexible barrier that surrounds a cell and controls which substances pass into and out of a 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 property of cell membranes that allows some substances to pass across it, while others cannot.
The process by which a cell makes a copy of the DNA in its nucleus before cell division.
An organism that cannot make its own food, but gets food by consuming other living things.
An instrument that makes small objects look larger.
The process by which plants and other autotrophs capture and use light energy to make food from carbon dioxide and water.
The process by which molecules move from an area of higher concentration to an area of lower concentration.
The thick fluid region of a cell located inside the cell membrane (in prokaryotes) or between the cell membrane and nucleus (in eukaryotes).
A series of connected events that happen in a specific order.
The job or purpose of a specific structure or organ within an organism.
Down
A green photosynthetic pigment found in the chloroplasts of plants, algae, and some bacteria.
The first stage of the cell cycle that takes place before cell division occurs, during which a cell grows and makes a copy of its DNA.
A widely accepted explanation of the relationship between cells and living things.
A rigid supporting layer that surrounds the cells of plants and some other organisms.
The process in which oxygen and glucose undergo a complex series of chemical reactions inside cells, releasing energy.
Rod-shaped organelles that convert energy in food molecules to energy the cell can use to carry out its functions.
A tiny cell structure that carries out a specific function within the cell.
The second stage of the cell cycle, during which the cell’s nucleus divides into two new nuclei and one set of DNA is distributed into each daughter cell.
The final stage of the cell cycle, in which the cell’s cytoplasm divides, distributing the organelles into each of the two new daughter cells.
To be able to tell one object from another by identifying key differences.
A set of pieces or parts that are arranged in a certain way within a larger object, system, or body.
The basic unit of structure and function in living things.
The process by which the vacuole surrounding particles fuses with the cell membrane, forcing the contents out of the cell.
To use a combination of materials and processes to create something new.
To allow to continue; to keep at a certain level or in a certain condition.
The place where something comes from; the point where something begins.