Cells & Cell Theory

_______ are the smallest units of life because they grow, reproduce, respond, and use energy.

• atoms

• elements

• cells

• all of the above

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Cells come from______.

• other preexisting cells

• cytoplasm

• organelles

• prokaryotes

Tags

NGSS.MS-LS1-1

The cell theory states that_________

• cells come from cells

• all organisms are made of cells

• cells are the basic unit of structure and function for life

• all of the above

Tags

NGSS.MS-LS1-1

________ is the scientist who saw small chambers when looking at cork, and named them “cells”.

• Newton

• Hooke

• Carson

• Manning

The size of an organism is determined -

• by the size of the cells that make up the organism.

• by the number of cells that the organism has.

Tags

NGSS.MS-LS1-1

The cell theory is a result of the work of one very important scientist name Hooke.

• True

• False

A multicellular organism is made of

• one cell

• multiple cells

• unicellular cells

• there is no such thing as a "multicellular" organism

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-3

One common feature of all cells is their ability to -

• work with other cells in a "unicellular" organism.

• reproduce themselves.

• be formed by spontaneous generation.

• exist without needing a cell membrane

Tags

NGSS.MS-LS1-1

When a cell is ready to reproduce, it duplicates its contents, then divides into two similar (and sometimes exact duplicate) cells.

• True

• False

Tags

NGSS.MS-LS3-2

Regardless of type, all cells

• have a cell membrane

• have cytoplasm

• can duplicate themselves by undergoing cell division

• all of the above