Cells and Molecule Transport

What characteristic defines this organism as prokaryotic?

• Ability to move
• Ability to respond
• Shape and size
• Lacking of membrane-bound organelles

Tags

NGSS.MS-LS1-1

Identify the correct order of the levels of organization from smallest to largest.

• molecule, atom, organelle, cell
• atom, molecule, cell, organelle
• atom, molecule, organelle, tissue
• atom, molecule, organelle, cell

Tags

NGSS.MS-PS1-1

Nucleic acid is found in both prokaryotic cells and eukaryotic cells: 

• True
• False
• I don't know what Nucleic Acid is.

What is the function of the cell membrane, in ALL living organisms?

• Provides support and structure in the cell.
• Synthesizes protein for ATP for the cell.
• Storage of raw materials (food) and ATP for the cell. 
• Regulates the transport of materials into and out of the cell. 

Tags

NGSS.MS-LS1-2

What characteristic is found in both prokaryotic and eukaryotic cells?

• Mitochondrion
• ER
• Vacuole 
• Ribosome

Cells need to bring in molecules to carry out cellular processes. Often, this requires moving the molecules across the cell membrane against the concentration gradient. How do these molecules get into the cell?

• passive transport by diffusion
• active transport using ATP 
• passive transport by osmosis
•  osmosis

The cell membrane of the red blood cell will allow water, oxygen, and carbon dioxide to pass through. Because other substances are blocked from entering, this membrane is called

• perforated
• semi-permeable
• non-conducive
• permeable

Tags

NGSS.MS-LS1-2

 Look at the diagram of a cross-section of a cell membrane below. The cell membrane controls movement of materials into and out of the cell. The following particles are moving from high concentration to low concentration and are using a carrier protein. How would you describe this type of movement across the membrane? 

• simple osmosis
• active transport
• simple diffusion
• facilitated diffusion

Tags

NGSS.MS-LS1-2

Look at the cross section of a cell membrane of a eukaryotic cell. H+ ions are being pumped from a low concentration to a high concentration. How do you describe this type of transport across the cell membrane?

• active transport
• passive transport
• facilitated diffusion
• co-transport

The diffusion of water across a selectively permeable membrane is called 

• active transport
• facilitated diffusion
• osmosis
• phagocytosis