IB Biology Cell Structure

What type of solution is this cell in?

• Isotonic

• Hypertonic

• Hypotonic

• diffused

Tags

NGSS.HS-LS1-3

Has membrane bound organelles

• Prokaryote

• Eukaryote

• both

What is the phospholipid bilayer composed of?

• hydrophobic heads

• hydrophilic heads

• Hydrophobic Tails

• Hydrophilic Tails

Which of the following provide evidence for the hypothesis that prokaryotes evolved before eukaryotes.

• prokaryotes are more complex

• prokaryotes have no nucleus and fewer genes

• eukaryotes are multicellular which makes them simpler

• prokaryotes grow into eukaryotes

Which one of the following is one of the functions/roles a protein serves in a cell? (check all that apply)

• Immunity

• Hormones

• Sensation

• Transport

Tags

NGSS.HS-LS1-1

Enzymes are capable of increasing the rate of a chemical reaction within a living cell.  Enzymes accomplish this through which of the following means?

• reducing the number of products   

• reducing the activation energy

• increasing the temperature of the cell

• increasing the concentration of reactants 

Tags

NGSS.HS-PS1-5

What is the correct definition for a polypeptide?

• Chains of amino acids that are made by linking together amino acids by condensation reactions.

• Two amino acids are linked by a condensation reaction between the amine group of one amino acid and the carboxyl group of the other.

• Four amino acids, linked by three peptide bonds.

What type of bonds are present between complementary nitrogenous bases?

• Covalent bonds

• Ionic bonds

• Hydrogen bonds

• Peptide bonds

Which organelle is responsible for energy production in eukaryotic cells?

• Nucleus

• Mitochondria

• Ribosome

• Golgi apparatus

Tags

NGSS.HS-LS1-7

What is the primary function of ribosomes in a cell?

• DNA replication

• Protein synthesis

• Lipid synthesis

• Carbohydrate metabolism