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unit 4 cells to organisms (parts of the cell (Vacuoles (Store waste…
unit 4 cells to organisms
parts of the cell
Vacuoles
Store waste products, nutrients, and water. In plant cells it also store nutrients, and regulates turgor pressure in the cell.
Nucleus
DNA is found in the nucleus, RNA is also made here; surrounded by a membrane; controls all cell activites
Centriole
Play a role in mitosis (cell division), in animal cells only - Ring of nine groups of fused microtubules. Three microtubules in each group. These are part of the cytoskeleton. Inherited from your father.
Lysosome
Contains digestive enzymes necessary for breaking down materials within a cell
Smooth Endoplasmic Reticulum
Assembles membrane lipids and detoxifies the cell of drugs; no ribosomes on this organelle.
Ribosome
Assembles proteins; free ribosomes make proteins that will stay in the cell. Attached ribosomes (attached to the ER) make proteins that will be transported out of the cell.
cell division
mitosis
makes in body cells(somatic) grouth and repar
meiosis
makes sex cells only: egg and sperm
Important scientist
Schleiden
I discovered that plants are made of cells
Schwann
I discovered that animals are made of cells
Virchow
I developed the cell theory and came to the conclusion that all cells come from other cells
Hooke
I saw cells in cork and came up with the word "cells to describe them.
Leeuwenhoek
I discovered that animals are made of cells
how cells get energy
respiratory
02 + glucose
= pruviy acid and energy
= energy and h20 and c02
photosynthesis
h20 + co2
= glucose and 02