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Cells A.T

Cells

QuestionAnswer
What are cells? Cells are the basic unit of life.
Plant cells contain what in them? Cell wall, membrane, nucleus, chloroplasts, and cytoplasm
Animal cells have everything that a plant cells has except? Chloroplasts, or cell walls
What are single-celled organisms? Organisms made of only one cell
What is a multi-cellular organism? organisms made out of many cells
Cell membrane- the outer boundary of the cell that helps control the substances that enter and leave the cell.
Cell wall- a rigid structure that surrounds, protects and gives shape to plant cells.
Chloroplasts- a cell part that converts light energy from the sun into energy in plants
Cytoplasm- a jellylike material found between the cell membrane and the nucleus of a cell; contains most of the cell's internal parts
Nucleus- the "brain" or control center of the cell that stores inherited information.
What is mitosis? It is the form of cell division that produces identical copies of the parent cell.
What is Meiosis ? It is the form of cell division by which unique gametes (sex cells) are produced.
What is a gamete? either an egg or a sperm cell.
Vacuole- stores water and ingested food in a fluid sack, it removes waste from a cell, and it produces turgor pressure against the cell wall for cellular support
What is chromatin? it is composed of long , thin strands of DNA, it contains instructions that control cell metabolism and heredity.
What is the Mitochondria? It acts as the stomach , it takes in nutrients, breaks hem down and creates energy for the cell.
What does the endoplasmic reticulum do? transports chemicals between and within cells
What do animal cells have that plant cells don't? Centrioles, lysosomes,cilia, and flagella
What do centrioles do ? they help organize microtubules in the in the cytoplasm and assist with the spatial arrangement of cellular organelles.
Are humans single-celled? Or multi-celled? Multi-celled.
When was the cell theory developed? In 1833 by a botanist and a physiologist who discovered that plant cells and animal cells have both nuclei.
What do lysosomes do ? they contain enzymes which digest food particles, excess or old organelles and engulfed foreign particles such as viruses or bacteria
What is the function of cilia and flagella ? they allow organisms to move,
What is cell division? it is the key process involved in growth, repair, and reproduction of organisms. There are 2 main types: Mitosis and Meiosis.
Created by: amayraniterrones
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