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Chapter 4 Vocabulary

biology

QuestionAnswer
is the smallest unit that can carry on all of the purposes of life 1. cell
the region of the cell that is within the plasma membrane and that includes the fluid, the cytoskeleton and all of the organelles except the nucleus 2. cytoplasm
part of the chloroplasm that includes molecules and small particles such as ribosomes but not membrane-bound organelles 3. cytosol
are organisms that lack a membrane-bound nucleus and membrane-bound organelles 4. prokaryote
organisms made up of one or more cels that have a nucleus and membrane-bound organelles 5. eukaryote
intracellular bodies that perform specific functions for the cell 6. organelle
ia a network of thin tubes and filaments that crisscrosses the cytosol 7. cytoskeleton
hollow tubes made of a protein called tubulin 8. microtubule
long threads of the beadlike protein actin and are linked end to end and wrapped around each other like two strands of a rope 9. microfilament
hairlike projection from the surface of a cell; provides locomotion in free-swimming unicellular organisms 10. cilium
hairlike structures that extend from the surface of the cell, where they assist in movement 11. flagellum
re organelles that, like mitochondria, are surrounded by a double mem- brane and contain their own DNA 12. plastid
cover's a cell's surface and acts as a barrier between the inside and the outside of a cell 13. plasma membrane
membrane-bound organelle that contains a cell's DNA 14. nucleus
structures in the nucleus made of DNA and protein 15. chromosome
consist of two short cylinders of microtubules at right angles to each other and are situated in the cytoplasm near the nuclear envelope 16. centriole
use light energy to make carbohydrates from carbon dioxide and water 17. choroplast
the main molecule that absorbs light and captures light energy for the cell 18. chlorophyll
Created by: destiny.dean0618
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