Chapter 2 Cells
Terms in this set (30)
A tiny cell structure that carries out a specific function within the cell
A cell structure that controls which substances can enter or leave the cell.
Cytoplasmic organelles at which proteins are synthesized.
A rigid layer of nonliving material that surrounds the cells of plants and some other organisms.
A part of the cell containing DNA and RNA and responsible for growth and reproduction
Cell organelle that stores materials such as water, salts, proteins, and carbohydrates
In an ANIMAL CELL. Contain chemicals that break down certain materials. Breaks down dead cells.
An organelle containing chlorophyll where photosynthesis occurs
A green pigment found in the chloroplasts of plants, algae, and some bacteria
A cell structure that forms a maze of passageways in which proteins and other materials are carried from one part of the cell to another.
a structure in a cell that receives proteins and other newly formed materials from the endoplasmic reticulum, packages them, and transports them out of the cell
Powerhouses of a cell. Converts the chemical energy of glucose into ATP.
What are the three parts of the cell theory
"The theory that all living things are made of cells, that cells are the basic units of organisms, and that cells come only from existing cells"
The process of becoming larger
The process of change that occurs during an organism's life to produce a more complex organism
Capacity for doing work or producing heat
Ability to generate offspring
What are difference between the plant cell and the animal cell?
The plant cell has a cell wall and chloroplasts.
The animal cell has lysosomes.
The vacuole in the plant cell is very large but in the animal cell it is very small.
What are cells?
the basic unit of structure and function.
What scientist came up with the term cell?
How does the lens of a microscope make an object look larger?
By bending light rays as they ass through the lens.
What is resolution?
How clear or sharp the image is.
How do you find the magnification of a microscope?
You multiply the power of the two lenses being used together.
What does magnification mean?
to make larger
What are organelles?
tiny cell structures that carry out specific functions within the cell.
What is chromatin?
the DNA found in the nucleus that directs the function of the cell.
What does the nucleolus do and where are they found?
makes ribosomes in the nucleus
In an organisms with many cells, the cells have different________.
The cells in a multi-celled organism are called what?
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