Test 1: A

The part of the cell that regulates (controls) what enters and leaves the cell is the:

• Nucleus

• Cytoplasm

• nuclear envelope

• cell membrane

Tags

NGSS.MS-LS1-2

Proteins are assembled at the:

• Mitochondria

• Cytoskeleton

• golgi apparatus

• ribosomes

Tags

NGSS.MS-LS1-2

The small membrane-bordered structures that contain substances necessary for the digestion of some cellular materials are:

• Lysosomes

• Vacuoles

• Mitochondria

• Nucleolus

Tags

NGSS.MS-LS1-2

In plant cells, the single large central saclike structure that is filled with liquid is known as the:

• Plastid

• central vacuole

• chloroplast

• golgi apparatus

Tags

NGSS.MS-LS1-2

In animal cells (also in plant cells), the chemical energy stored in food is changed into compounds the cell can use for energy by the:

• Ribosomes

• Mitochondria

• smooth endoplasmic reticulum

• rough endoplasmic reticulum

Tags

NGSS.MS-LS1-2

Cells that do not have a nucleus are said to be:

• selectively permeable

• osmotic

• eukaryotic

• prokaryotic

Which of the following is not part of the cell theory?

• All living things are composed of cells

• Cells are the basic unit of structure and function

• There is a high degree of cell specialization

• All cells come from other cells

Tags

NGSS.MS-LS1-1

8. One of the first people to identify and see cork cells was:

• Robert Hooke

• Anton van Leeuwenhoek

• Matthias Schleiden

• Theodor Schwann

The work of Schleiden and Schwann can be summarized by saying that:

• all plants are made of cells

• all animals are made of cells

• plants and animals have specialized cells

• all plants and animals are made of cells

Tags

NGSS.MS-LS1-1

Which of the following is NOT a principle of the cell theory?

• Cells are the basic units of life

• All living things are made of cells

• Very few cells reproduce

• All cells are produced by existing cells