cell -Unit of life

Which of the following scientists concluded that all animals are made of cells?

• Rudolf Virchow
• Matthais Schleiden
• Robert Hooke
• Theodor Schwann

Tags

NGSS.MS-LS1-1

Which of the following scientists was the first to observe bacteria?

• Anton van Leuwenhoek
• Matthais Schleiden
• Robert Hooke
• Theodor Schwann

What is one way in which all living things on Earth are alike?

• All living things have hair.
• All living things are made of cells and come from other cells.
• The cells of all living things have chloroplast.
• All living things can move. 

Tags

NGSS.MS-LS1-1

Who looked at cork and named the cell?

• Robert Hooke
• Van Leeuwenhoek
• Robert Brown
• Francesco Redi

What tool do you use to view the cells?

• metric ruler
• centrifuge
• microscope
• pipette

The smallest unit that can perform the basic activities of life is

• a cell 
• a tissue
• an organ
• an organism

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Which part of the cell is considered to be "selectively permeable" because it allows certain things to enter or leave the cell?

• Cell Membrane

• Nucleus

• Lysosome

• Cytoplasm

Tags

NGSS.MS-LS1-2

The rigid outer boundary of plant cells, giving them their boxy appearance is..

• cell membrane

• cell wall

• mitochondria