UCI BIO 93 PACKAGED ACTUAL EXAM
PAPER 2026 QUESTIONS WITH ANSWERS
GRADED A+
• What kind of bonds are hydrophobic?.
Answer: Non-polar covalent bonds
• Sodium Potassium Pump.
Answer:
• ribosomes.
Answer: complexes of ribosomal proteins and RNAs
• Where are free ribsomes?.
Answer: In the cytosol
• What are the three steps in cell signaling?.
Answer: Reception, transduction, and response
• What is ATP after giving up a phosphate.
Answer: ADP
• Secondary Protein Structure.
Answer:
• Carbonyl.
Answer:
• gap junctions.
Answer: formed of transmembrane protein tubes and filled with cytosol,
small hydrophilic molecules and ions may pass but proteins and organelles
can not, cell communication (muscle cell)
• eukaryotic cells.
Answer: stores its chromosomes in the nucleusm compartmentalizes its
functions within various membrane organelles
,• prokaryotic cells.
Answer: stores its chromosome in a non membranous region called the
nucleoid, no membrane enclosed organelles
• What is a kinase?.
Answer: An enzyme that catalyzes the transfer of phosphate groups
• What proteins are Microtubules made out of?.
Answer: Tubulin
• Cholesterol hinders _________ at high temps.
Answer: Solidification
• interm -function.
Answer: reinforce shape, fix organelles in place, more permanent
cytoskeleton elements than microfilaments and microtubules
• What do substances need to be tagged with in order to pass through the
pores?.
Answer: Nuclear Localization Signals
• golgi apparatus.
Answer: modify products of the er and sorts them by destination, sorts and
packages materials into transport and vesicles
• Where are phospholipids made?.
Answer: The Smooth ER
• stroma.
Answer: internal fluid enclosed by the inner membrane
• What is Cytosol?.
Answer: Part of the cytoplasm
• What type of bond connects a sugar and phosphate group of adjacent
nucleotides to make a polynucleotide?.
Answer: Phosphodiester linkages
• A Stack of thylakoids.
, Answer: Granum
• lysosomes: intracellular digestion.
Answer: membranous sac of hydrolytic enzymes that can digest
macromolecules
• What does rough ER do with membrane proteins?.
Answer: Synthesize into the membrane. Also Transported by vesicles.
• What happens to the proteins that are tagged with ubiquitin?.
Answer: They are sent to the proteosomes.
• lysosomes: cells recycling and digestive center.
Answer: important role in phagocytosis and autophaygy
• autophagy.
Answer: recycle the cells own organells and macromolecules
• What kind of membrane is the nuclear envelope?.
Answer: A double membrane
• What is a disaccharide?.
Answer: 2 monosaccharides
• mitochondria (powehouse).
Answer: site of cellular respirations, mitochondrial dna, double membrane,
mitochondrial matrix
• Needs transport proteins.
Answer: Hydrophilic, charged ions, larger molecules -Specific Transport
protein for every substance.
• Carbonyl within a skeleton.
Answer: Ketone
• desmosomes.
Answer: adhesive junctions which hold adjacent cells together -maintaining
structural integrity of animal tissues, contribute to tissue stability
• What is inner GA made up of?.
PAPER 2026 QUESTIONS WITH ANSWERS
GRADED A+
• What kind of bonds are hydrophobic?.
Answer: Non-polar covalent bonds
• Sodium Potassium Pump.
Answer:
• ribosomes.
Answer: complexes of ribosomal proteins and RNAs
• Where are free ribsomes?.
Answer: In the cytosol
• What are the three steps in cell signaling?.
Answer: Reception, transduction, and response
• What is ATP after giving up a phosphate.
Answer: ADP
• Secondary Protein Structure.
Answer:
• Carbonyl.
Answer:
• gap junctions.
Answer: formed of transmembrane protein tubes and filled with cytosol,
small hydrophilic molecules and ions may pass but proteins and organelles
can not, cell communication (muscle cell)
• eukaryotic cells.
Answer: stores its chromosomes in the nucleusm compartmentalizes its
functions within various membrane organelles
,• prokaryotic cells.
Answer: stores its chromosome in a non membranous region called the
nucleoid, no membrane enclosed organelles
• What is a kinase?.
Answer: An enzyme that catalyzes the transfer of phosphate groups
• What proteins are Microtubules made out of?.
Answer: Tubulin
• Cholesterol hinders _________ at high temps.
Answer: Solidification
• interm -function.
Answer: reinforce shape, fix organelles in place, more permanent
cytoskeleton elements than microfilaments and microtubules
• What do substances need to be tagged with in order to pass through the
pores?.
Answer: Nuclear Localization Signals
• golgi apparatus.
Answer: modify products of the er and sorts them by destination, sorts and
packages materials into transport and vesicles
• Where are phospholipids made?.
Answer: The Smooth ER
• stroma.
Answer: internal fluid enclosed by the inner membrane
• What is Cytosol?.
Answer: Part of the cytoplasm
• What type of bond connects a sugar and phosphate group of adjacent
nucleotides to make a polynucleotide?.
Answer: Phosphodiester linkages
• A Stack of thylakoids.
, Answer: Granum
• lysosomes: intracellular digestion.
Answer: membranous sac of hydrolytic enzymes that can digest
macromolecules
• What does rough ER do with membrane proteins?.
Answer: Synthesize into the membrane. Also Transported by vesicles.
• What happens to the proteins that are tagged with ubiquitin?.
Answer: They are sent to the proteosomes.
• lysosomes: cells recycling and digestive center.
Answer: important role in phagocytosis and autophaygy
• autophagy.
Answer: recycle the cells own organells and macromolecules
• What kind of membrane is the nuclear envelope?.
Answer: A double membrane
• What is a disaccharide?.
Answer: 2 monosaccharides
• mitochondria (powehouse).
Answer: site of cellular respirations, mitochondrial dna, double membrane,
mitochondrial matrix
• Needs transport proteins.
Answer: Hydrophilic, charged ions, larger molecules -Specific Transport
protein for every substance.
• Carbonyl within a skeleton.
Answer: Ketone
• desmosomes.
Answer: adhesive junctions which hold adjacent cells together -maintaining
structural integrity of animal tissues, contribute to tissue stability
• What is inner GA made up of?.
