Unit 2 - Concept 1

Which of the following lists the three principles of cell theory?

• All living organisms are composed of one or more cells; The cell is the basic unit of life; All cells arise from pre-existing cells.

• Cells are the smallest unit of life; Cells can only be seen under a microscope; Cells are the building blocks of tissues.

• Cells contain a nucleus; Cells are found in all living organisms; Cells can divide and multiply.

• Cells are made up of organelles; Cells can perform all life processes; Cells are the same in all organisms.

Which structures distinguish plant cells from animal cells?

• Chloroplasts and cell walls

• Mitochondria and lysosomes

• Nucleus and ribosomes

• Golgi apparatus and endoplasmic reticulum

Tags

NGSS.MS-LS4-2

What is the primary function of the mitochondria in a cell?

• To produce energy through cellular respiration

• To store genetic information

• To synthesize proteins

• To regulate cell division

Tags

NGSS.HS-LS1-7

Which of the following is a characteristic of prokaryotic cells?

• They have a nucleus

• They lack membrane-bound organelles

• They are larger than eukaryotic cells

• They contain multiple chromosomes

What is the role of ribosomes in a cell?

• To generate ATP

• To synthesize proteins

• To break down waste materials

• To transport substances across the cell membrane

Animal, fungi, plant, and protista cells are all examples of which type of cell?

• Eukaryotic
• Prokaryotic
• Both prokaryotic and eukaryotic

What is multicellular? 

• one cell 
• no cells 
• many cells 
• no nucleus 

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-3

Both prokaryotes and eukaryotes have a nucleus.

• True
• False

Which of the following is found inside a prokaryote?

• cytoplasm
• DNA
• ribosomes
• all of these

A thin, flexible layer that is found in all cells and separates the inside of the cell from the outside environment.

• protein coat

• protein membrane

• cell membrane

• nucleolus

Tags

NGSS.MS-LS1-2