8.1

Which are the main points of the cell theory? Select all that apply.

• Cells are the basic units of structure and function in living things.

• New cells are produced from existing cells.

• All cells enclose their DNA within a nucleus.

• All living things are made up of cells.

Tags

NGSS.MS-LS1-1

Which model shows a prokaryotic cell?

• A

• B

• C

• D

Tags

NGSS.MS-LS1-1

Which of the structures are present in plant cells, but not in animal cells? Select all that apply.

• Nucleus

• Golgi apparatus

• Chloroplasts

• Cell wall

The invention of which instrument allowed scientists to discover cells?

• eyeglasses

• magnifying glass

• microscope

• telescope

Basic unit of all forms of life

• Cell

• Nucleus

• Prokaryote

• Eukaryote

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Structure that contains the cell's genetic material in the form of DNA

• Vacuole

• Nucleolus

• Nucleus

• Ribosome

Network of protein filaments in a eukaryotic cell that gives the cell its shape and internal organization and is involved in movement

• Cytoskeleton

• Golgi apparatus

• Ribosome

• Endoplasmic reticulum

Tags

NGSS.MS-LS1-2

Organelle in cells that modifies, sorts, and packages proteins and other materials from the endoplasmic reticulum for storage in the cell or release outside the cell

• Golgi apparatus

• Ribosome

• Vacuole

• Lysosome

Tags

NGSS.MS-LS1-2

Flexible double-layered sheet that makes up the cell membrane and forms a barrier between the cell and its surroundings

• Lipid bilayer

• Endoplasmic reticulum

• Cell Wall

• Centriole

Tags

NGSS.MS-LS1-2

Property of biological membranes that allows some substances to pass across it while others cannot

• Cell Membrane

• permeable

• Selectively Permeable

• Cell Theory