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Life Function & Cell
functions and structures
Question | Answer |
---|---|
Characteristics of living things | made up of cells, have a genetic code, produce offspring, grow and develop, responds to stimuli, adapt and change, need energy, homeostasis. |
What is a eukaryotic cell? | A cell that CONTAINS a nucleus. |
What are two types of eukaryotic cells? | cells of animal and plants. |
What is a cell organelle? | A specialized organ within a cell that performs a certain function for the cell. |
What are the eukaryotic cell organelles and what are their functions? | nucleus, nucleolus, mitochondria, cell membrane, ribosomes, endoplasmic, reticulum |
nucleus | City Hall.directs all cell activity and controls its size and reproduction. It is the brain. Contains DNA |
cell membrane | Police- surrounds the cell to protects and support |
mitochondria | Factory-produce the energy needed for cells function |
cytoplasm | People-outside the nucleus. Holds organelle in place. |
lysosome | Recycling center-hold enzymes. its purpose is to digest |
ribosome | Business-protein builders |
chloroplast | Trees-Only found in plants. Produce food. Converts light energy from the sun. |
vacuole | Water container-store food and nutrients. Found in both plant and animal cells. Much larger in plant cells. |
centrioles | help with cell division |
endoplasmic riticulum | manufacturing and packaging system |
prokaryotic cells | Do NOT have a nucleus.Have a single loop of DNA. |