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cells
Question | Answer |
---|---|
what are the 7 characteristics of living things? | they can move they can reproduce they can grow they respond or react they can excrete (waste-poo,pee) they can exchange gases nutrition (ability to get nutrition/food) |
What are the main differences between plant and animal cells? | the vacuole SIZE, SHAPE, COLOUR, and the plant cell has more labels then the animal cells |
what are the 3 key ideas of CELL THEORY? | 1-cells make up all living things and are the smallest living organism 2-Any organism can be made up of at least 1 cell 3-all cells are made from previous cells through a process called cell division |
what is the cell membrane? | the thin covering that surrounds the organelles inside the cell and controls the passage of materials in or out of the cells. |
what is cytoplasm? | jelly-like material that fills the cell. food and oxygen move through the cytoplasm to the organelles. |
what are ribosomes? | tiny organelles that help make proteins and are located in the cytoplasm. |
what is golgi apparatus? | a folded organelle that combines proteins made by the endoplasmic reticulum and delivers them to the rest of the cell and outside the cell. |
what are lysosomes? | these organelles break down food and digests wastes. |
what is the endoplasmic reticulum? | a folded organelle that makes protein |
what are vacuoles? | sac-like organelles that store excess food, waste and other substances. |
what is the nucleus? | a large organelle that controls the activities of the cell (like growth) |
what is the mitochondria? | the powerhouse of the cell. these organelles break down food,p articles and release the stored energy to fuel their activities. |