Vocabulary Review Cells

Smallest Unit of Life CELL

First to use a simple microscope to draw cork cells from dead plants ROBERT HOOKE

First person to see and draw living cells LEEUWENHOEK

Idea that all living things are made of cells CELL THEORY

What new cells come from EXISTING CELLS

A constant internal environment maintained by cells HOMEOSTASIS

Surrounds the cells & controls what enters and leaves CELL MEMBRANE

The fluid surrounding organelles between the cell membrane and nuclear membrane CYTOPLASM

Control center of the cell where DNA is located NUCLEUS

Genetic material of a cell DNA

The phosphate heads are said to be what because they attract water. HYDROPHILIC

Cells lacking a nucleus & has no membrane- bound organelles PROKARYOTES

Domain containing ancient bacterial forms. ARCHAEABACTERIA

Cell structure that perform a specific job for a cell ORGANELLE

Cells that have a nucleus and membrane- bound organelles EUKARYOTE

Organisms composed of more than one cell are said to be what? MULTICELLULAR

Made of similar cells working together to do a particular job TISSUES

Made of organs working together to do a particular job ORGAN SYSTEM

A double layer of these molecules make up the cell membrane PHOSPHOLIPIDS

The tails of phospholipids are this; means it doesn’t like water HYDROPHOBIC

The model of phospholipids and embedded proteins of the cell membrane FLUID MOSAIC

Genetic material in the nucleus made of DNA and protein CHROMOSOMES

Double layer with pores surrounding the nucleus NUCLEAR ENVELOPE

Organelle inside of the nucleus that makes ribosomes NUCLEOLUS

Openings in the nuclear envelope NUCLEAR PORES

Made of rRNA and protein and assembly amino acids into a polypeptide chain RIBOSOMES

Long, whip-like structures used by some cells for movement FLAGELLA

Site of cellular respiration MITOCHONDRIA

Energy molecule used by cells to do work ATP

System of membranes and tubes in the cytoplasm connecting the nuclear membrane to the cell membrane ENDOPLASMIC RETICULUM

ER with ribosomes attached to its surface ROUGH ER

System of flattened sacs that modify and package proteins GOLGI

Small sacs containing cell products that can be transported from the cell VESICLES

Organelle that digests food and worn out cell parts LYSOSOMES

Made of microtubules and microfilaments to give support to cells and move organelles CYTOSKELETON

Organelle made of microtubules in animal cells that helps form the spindle for cell division CENTRIOLES

Short, hair-like structures that help some cells move CILIA

Made of cellulose and surrounds the outside of plant cells CELL WALL

The largest organelle found in plants containing the cell sap CENTRAL VACUOLE

ER that makes cholesterol & helps detoxify poisons SMOOTH ER