AP BIOLOGY UNIT 2 TEST QUESTIONS
WITH CORRECT ANSWERS
Part of the receptr on the cytoplasmic side serves as an enzyme which catalyses the
transfer of phosphate groups from ATP to a certain amino acid on a substrate protein.
This is an example of what signal transduction pathway? - Answer-Tyrosine kinase
receptor pathway
This pathway requires formation of a dimer. - Answer-Tyrosine-kinase pathway
The signal molecule that binds to a receptor is typically called a what? - Answer-Ligand
What needs to happen to a receptor to initiate the transduction of a signal? - Answer-
Conformational change (change in shape)
What is the formula for solute potential? - Answer-Ys=-iCRT
What is the ionization constant for sucrose? What about NaCl? - Answer-Sucrose = 1
NaCl = 2
What types of cells typically have a pressure potential? What is this due to? - Answer-
Plant cells due to a cell wall
what is the pressure potential of an open beaker? - Answer-0
How is temperature measured in the water potential equation? - Answer-Kelvin
If the temperature was 39 degrees C, what is the temperature in Kelvin? - Answer-312K
What is the cell junction of a plant called? - Answer-Plasmodesmata
What is the cell junction of an animal cell called? - Answer-Gap junction
2 organelles that contain their own DNA separate from the chromosome - Answer-
Mitochondria and chloroplast
What domains fall under prokaryotic cells? - Answer-Bacteria and archaea
What are the basic features of all cells? - Answer-Membrane, cytoplasm, chromosomes,
ribosomes
This organelle synthesizes lipids, metabolizes carbohydrates, detoxifies poison, and
stores calcium - Answer-Smooth ER
WITH CORRECT ANSWERS
Part of the receptr on the cytoplasmic side serves as an enzyme which catalyses the
transfer of phosphate groups from ATP to a certain amino acid on a substrate protein.
This is an example of what signal transduction pathway? - Answer-Tyrosine kinase
receptor pathway
This pathway requires formation of a dimer. - Answer-Tyrosine-kinase pathway
The signal molecule that binds to a receptor is typically called a what? - Answer-Ligand
What needs to happen to a receptor to initiate the transduction of a signal? - Answer-
Conformational change (change in shape)
What is the formula for solute potential? - Answer-Ys=-iCRT
What is the ionization constant for sucrose? What about NaCl? - Answer-Sucrose = 1
NaCl = 2
What types of cells typically have a pressure potential? What is this due to? - Answer-
Plant cells due to a cell wall
what is the pressure potential of an open beaker? - Answer-0
How is temperature measured in the water potential equation? - Answer-Kelvin
If the temperature was 39 degrees C, what is the temperature in Kelvin? - Answer-312K
What is the cell junction of a plant called? - Answer-Plasmodesmata
What is the cell junction of an animal cell called? - Answer-Gap junction
2 organelles that contain their own DNA separate from the chromosome - Answer-
Mitochondria and chloroplast
What domains fall under prokaryotic cells? - Answer-Bacteria and archaea
What are the basic features of all cells? - Answer-Membrane, cytoplasm, chromosomes,
ribosomes
This organelle synthesizes lipids, metabolizes carbohydrates, detoxifies poison, and
stores calcium - Answer-Smooth ER
