If a cell of an organism contains a nucleus , the organism is a __________?

• eukaryote

• prokaryote

• animal

• plant

The cell theory states that all of the following except that

• all living things are composed of cells

• cells are the basic unit of structure and function

• cells have a degree of specialization

• all cells come from preexisting cells

The rough endoplasmic reticulum is involved in the synthesis of

• lipids

• sugars

• protiens

• starches

Each muscle in your body is an example of a

• cell

• organ

• tissue

• organ system

The movement of water molecules across a membrane is known as

• pintocytosis

• endocytosis

• diffusion

• osmosis

The process that requires energy to move molecules of different concentrations across a membrane is known as

• facilitated diffusion

• osmosis

• passive transport

• active transport

The organelle that makes energy available for the cell is the

• nuclear envelope

• nucleous

• mitochondrion

• chromosomes

The basic unit and structure and function in living things is the ______.

• cell

• cell membrane

In a cell the space between the nucleus and the cell membrane is called__________

• cytoplasm

• mucus

A tissue is composed up of a similar group of _________?

• cell wall

• cells