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Biology:cells
Question | Answer |
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The region of the cell that is inside the cell membrane and includes fluid,the cytoskeleton,and all of the organelles except the nucleus | cytoplasm |
The cells outer boundary | the cell membrane or plasma membrane |
The membrane bound organelle control center for the cells DNA | nucleus |
Most of the functions of a eukaryotic cell is controlled by | the cells nucleus |
The shape of the nucleus is able to be maintained due to the help of a protein skeleton called | the nuclear matrix |
Prokaryotes are different from eukaryotes because prokaryotes | lack a membrane bound nucleus and membrane bound organelles |
Eukaryotes are different from prokaryotes because eukaryotes | have a nucleus and membrane-bound organelles |
Well defined,intracellular bodies that perform specific functions for the cell are | organelles |
A group of similar cells and their products that carry out a specific function is called | tissue |
Groups of tissues that perform a particular job in an organism are called | organs |
The first person to observe living cells was | dutch trader Anton Van Leeuwenhoek |
The smallest unit that can carry life | cell |
The man who studied nature using an early light microscope | Robert Hooke |
The three parts of the cell theory are | all things are comprosed of one or more cells,cells are the basic unit and structure and function of an organism,cells come only from the reproduction of existing cells |
Have a polar side and a non-polar side | phospholipids |
Allows only certain molecules to enter and exit the cell | phospholipids |
Structures in the nucleus made of DNA and protein | chromosomes |
Organelles made of protein and RNA that direct protein synthesis in the cytoplasm | ribosomes |
Transfers energy from organic molecules to ATP | mitochondria |
Intracellular highway for molecules to move from one part of the cell to another | endoplasmic reticulum |
Network of thin tubes and filaments | cytoskeleton |