Final Exam Clicker Questions Flashcards
A water molecule contains what type of bond?
Hydrogen
Ionic
Polar covalent
Van der walls interactions
Polar covalent
Ribose and deoxyribose are
Structural isomers
Lipids
Both in DNA
Both in RNA
None
None
What is a gene
A section of DNA that codes for protein
A section of RNA that codes for protein
A section of DNA that codes for RNA
A section of DNA that codes for carbohydrates
A section of RNA that codes for carbohydrates
A,B,C
What makes a biological membrane more fluid?
Increasing the length of the fatty acids
Deceasing the saturation of the fatty acids
Decreasing the temperature
Decreasing the saturation if the fatty acids
The plasma membrane is composed of a phospholipid belayer and associated proteins. What else is commonly found in the plasma membrane of animal cells?
Nucleic acids
Free amino acids
Glycerol
Cholesterol
Cholesterol
All proteins are free to move around laterally in the plasma membrane
True
False
False
Which of the following would most easily diffuse through the plasma membrane
Sodium ion
Chloride ion
Glucose
Cortisol (steroid)
DNA
Cortisol (steroid)
During osmosis water flows from a region of ___ solute concentration to a region of ___ solute concentration
Low high
High low
High equal
Low equal
Low high
You are studying a particular protein. You notice that you can only find it inside the cell when atp is present. How is the protein moving through the membrane?
Diffusion
Facilitated diffusion
Passive transport
Active transport
Active transport
Which of the following is an example of facilitated diffusion?
Diffusion of a steroid
Diffusion with a carrier protein
The sodium/potassium pump
Diffusion with a carrier protein
Some prokaryotes have one of the following, which is never found in eukaryotes:
DNA
Cell wall
Plasma membrane
Flagellum
All of the above
All of the above
Photosynthetic bacteria undergo photosynthesis in
Flagella
The golgi
Mitochondria
Chloroplasts
Folded sections of internal plasma membrane
Folded sections of internal plasma membrane
Protein synthesis
An occur in the golgi
Is preformed by ribosomes
Can occur on the ER
Can occur in the nucleus
Preformed by the ribosomes
Can occur on the ER
What is atp specifically used for?
Substrate for protein synthesis
Substrate for lipid synthesis
Substrate for DNA synthesis
Substrate for RNA synthesis
Substrate for DNA and RNA synthesis
Substrate for RNA synthesis
A chemical reaction involving carbohydrates is happening at a slow rate in your experiment. What can of do to speed up the reaction?
Add more reactants
Change the deltaG of the reaction
Add a protease enzyme
Raise the activation energy of the reaction
Add mor reactants
Where does the energy for the reduction of NAD+ come from
Oxygen
Water
NADH
Glucose
Glucose
Which process produces the most ATP by substrate-level phosphorylation?
glycolysis
pyruvate oxidation
citric acid cycle
glycolysis and the citric acid cycle produce equal amounts
glycolysis and the citric acid cycle produce equal amounts