Cells:

All organisms are made up of _____, the smallest unit of life.

• organs

• cells

• atoms

• organelles

Single-celled organisms that store their DNA in the cytoplasm are:

• prokaryotes

• eukaryotes

• probiotics

• euglena

This encloses the cytoplasm and forms a barrier between the all cells and their environment

• cell wall

• cell membrane

• cytoplasm

• central vacuole

Molecules are created when two or more of these basic units of matter chemically bond

• particles

• organs

• cells

• atoms

Lipids are best described as

• ions

• fatty molecules used for storing energy

• long chains of amino acids

• polymers

Long chains of chemically bonded amino acids form molecules called

• proteins

• lipids

• carbohydrates

• phospholipids

This type of molecule is formed by carbon and water chemically bonding to form sugars, starches, and fiber

• lipid

• protein

• carbohydrate

• amino acid

The organelle responsible for carrying out most of the process of cellular respiration is called the

• ribosome

• nucleus

• cell wall

• mitochondrion

choose all of the organelles that plant cells have that animal cells do not

• cell wall

• cell membrane

• large central vacuole

• chloroplasts

• lysosome

This organelle, only found in animal cells, helps break down worn out or damaged organelles

• ribosome

• lysosome

• mitochondrion

• endoplasmic reticulum