23 BIO SOL Units 4+5

This organic molecule is the main component of biological membranes.....

• carbohydrates
• lipids 
• proteins 
• nucleic acids

If you place a freshwater cell in a salt water solution, what happens to the cell?

• nothing
• stays the same
• swells
• shrinks

Tags

NGSS.HS-LS1-3

Which direction does water move in a hypotonic solution?

• water moves out of the cell
• solutions moves into the cell
• water moves into the cell
• solution moves out of the cell

Tags

NGSS.MS-LS1-2

Active transport requires the cell to move materials against the concentration gradient, what molecule is required for this to occur?

• ADP
• ATP
• carbohydrates
• lipids

Tags

NGSS.HS-PS3-1

This molecule stores and transmits our genetic information and remains in the nucleus 

• rRNA
• trna 
• DNA
• mRNA

How do molecules move during facilitated diffusion?

• With the concentration gradient, using energy
• Against the concentration gradient, without using energy
• With the concentration gradient, without using energy
• Against the concentration gradient, using energy

In a water molecule, which atom(s) has/have a partial negative charge?

• Oxygen
• Hydrogen
• None of the atoms
• All of the atoms

What is the property of water that allows it to stick to other surfaces?

• Surface tension
• Cohesion
• Adhesion
• Solubility

What is the monomer of proteins?

• amino acids
• polypeptides
• nucleotides
• monosaccharides

Tags

NGSS.HS-LS1-6

Osmosis is the diffusion of _____ across a membrane

• glucose
• NaCl
• proteins
• water

Tags

NGSS.MS-LS2-1