Cells Unit Word Scramble
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Term | Definition |
cells | the smallest functional and structural unit of all living organisms. |
parts of cells | Nucleus, cytoplasm and a membrane. |
true | All living things are made of cells. |
Robert Hooke | First scientist to study cells with a microscope. |
Anton Van Leeuwenhoek | Studied cells also and was first to study bacteria under a microscope. Studied animals |
Cell Theory | all organisms are made of one or more cells, the cell is the basic unit of life, and all cells come from existing cells. |
False | Cells can be seen with the naked eye. |
Small cell size | The area of a cell's surface limits the cell size |
Cell membrane | A phospholipid layer that covers a cell's surface; it acts as a barrier between the inside of a cell and the cell's environment. Separates cell from environment. |
cytoplasm | liquid portion of the inside of a cell |
organelle | one of the small bodies in a cell's cytoplasm that are specialized to perform a specific function. |
DNA | the genetic material |
nucleus | in a eukaryotic cell, a membrane bound organelle that contains the cell's gentic material called DNA and that has a role in processes such as growth metabolism, and reproduction. |
Two types of cells | Prokaryotes and Eukaryotes |
Prokaryotes | single celled organisms that do not have a nucleus or membrane bound organelles. |
Eukaryotes | cells that have a nucleus. |
bacteria | The most common type of prokaryote and are the smallest cells known to man. |
Characteristics of Bacteria | No nucleus, they do have DNA, and contain ribosomes. |
ribosomes | tiny round organelles made of protein and other material. |
Types of Prokaryotes | Bacteria and Archae |
Three types of Archea prokaryotic cells | heat loving, salt loving and methane making. |
Methane | kind of gas found in a swamp |
extremophiles | live in places of extreme conditions |
True | Eukaryotic cells are larger than prokaryotic cells. |
Characteristics of Eukaryotic cells | have a nucleus, membrane bound organelles, and some are multicellular. |
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