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7th U 3-1 Science

Unit 3 Cells

QuestionAnswer
All ____ are made up of one or more cells. Organisms
Anything that has mass and takes up space is called ___ Mass
The basic units of matter is called ___. They are the building blocks of all matter. Atoms
An ___ is the smallest unit of a substance that maintains the properties of that substance. Atom
An ___is a substance that is made entirely of one type of atom. Element
When the atoms of one or more substance is joined together, they form a ____. Molecule
A molecule is a group of atoms held together by attractive forces called ___ bonds. Chemical
An ____ is a living thing that can carry out life processes by itself. Organism
Some organisms consist or are made up of just one cell. They are called ___. Unicellular organisms
Unicellular organisms do not have levels of ___ Organization.
A molecule that contains at least two different elements is also called a ___. Compound
Living matter is made of many tiny structures, while ___ matter is not. Non-living
The first person to describe the tiny box-like structures he saw in a thin slice of tree bark. Robert Hooke
A ___ is the smallest functional and structural unit of all living things. All living things are made of these. Cell
The tiny structures that exist within cells are called ___. Organelles
___ are tiny organisms that are made of just one cell. These organisms can live independently of one another and carry out all life functions. Unicellular
___ can live independently of one another and carry out all life functions. These organisms are made of just one cell. Unicellular organisms
__ are made of many cells grouped together. The cells in this type of organism cannot life independently. Multicellular organisms
___ organisms are made of many cells grouped together. Multicellular
Each cell in a ___ organism depends on each other to maintain life's functions in the organism. Multicellular
Name the two types of cells that make up organisms. Eukaryotic and prokaryotic
Cells with a nucleus are ___. (Eukaryotic, Prokaryotic) Eukaryotic
Cells that do not have a nucleus surrounding their genetic material are ___. (Eukaryotic, Prokaryotic) Prokaryotic
The ___ is the organelle that stores the cell's genetic material and controls the cell's growth and reproduction. Nucleus
Cells that do not have a nucleus surrounding their genetic material are ___. (Eukaryotic, Prokaryotic) Prokaryotic
___ are prokaryotes. (two organisms) Bacteria and archaea
Prokaryotic cells have a __, surround the cell, but do not have organelles that are enclosed in a membrane. Cell Membrane
In prokaryotic organisms genetic material and organelles are suspended in the ___ (solid, liquid) interior of the cell. Liquid
Bacteria and archaea are ___ (unicellular or multicellular) Unicellular
__ have a nucleus that holds their genetic material. They also have organelles that are surrounded by a membrane. (Eukaryotic, Prokaryotic) Eukaryotic
Some eukaryotes are ___. (Unicellular, Multicellular) Unicellular
Unicellular eukaryotes include (two organisms). Yeast and Amoeba
Multicellular organisms such as animals, plants and fungi are also made of ___ cells. (Eukaryotic, Prokaryotic) Eukaryotic
Eukaryotic cells and prokaryotic cells share a few basic structures that are necessary for life. One of these structures is the __ that surrounds the cell. This organelle controls which materials enter and leave the cell. Cell Membrane
A flexible barrier that separates the cell from its environment. This barrier controls which materials enter and leave the cell. Cell Membrane
Plant cells, bacteria and archaea have a ___ surrounding the cell membrane. Animal cells do not have this structure. Cell Wall
Plant cells, bacteria and archaea have a cell wall surrounding the ___. Animal cells do not have this structure. Cell membrane
___ is the gel-like liquid inside the cell. It is about 80% water. Organelles and some proteins are suspended in the this structure of the cell. This structure helps to maintain cell shape. Cytoplasm
Cytoplasm is the ___ inside the cell. It is about 80% water. Organelles and some proteins are suspended in the cytoplasm of the cell. This structure helps to maintain cell shape. Gel-like liquid
This structure helps to maintain cell shape. Cytoplasm a gel-liquid
Ribosomes are a type of ___ that does not have a membrane. Organelle
__ are the tiny organelles that make proteins. Ribosomes
Prokaryotic cells contain ___ but not other organelles. Ribosomes
__ is a type of organelle that release energy from food molecules for the cell to use. Mitochondria
Plant cells have organelles called ___ that produce sugar and give plants their green color. Chloroplasts
All cells contain genetic material in the form of a long molecule called deoxyribonucleic acid or ___ for short. DNA
___ contains the instructions for all cell process, and it controls what proteins are made in the cells. DNA
___ determines the traits of each organism. All organisms inherit it from their parent or parents. DNA
In eukaryotic cells, DNA is found inside the ___. Nucleus
In prokaryotic cells DNA forms a large loop in the ___. Cytoplasm
A zebra is a ___ (Unicellular, Multicellular) organism. Multicellular
A paramecium is a ___ (Unicellular, Multicellular) organism. Unicellular
Photosynthetic cells take in energy from ___ and use it to make their own food. Sunlight
Created by: wmeeks