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Clicker questions (Bio)
Terms in this set (31)
Existing in nature.
A scientific theory is:
Widely accepted in the scientific community as being true.
Which of these would be the least compelling for finding life on mars?
Samples show the presence of compounds such as Sulfur, Nitrogen, Carbon, and Oxygen.
A pH of 7 represents:
An equal amount of hydroxy and hydrogen atoms.
Oxygen has a total of 7 electrons in stable form. What is oxygen's atomic number?
The complete transfer of valance electrons between atoms. It is a type of chemical bond that generates two oppositely charged atoms:
The equation C + H2O -> A + B is an example of:
Which of these is a carbohydrate?
How are nucleotides added to a growing DNA strand during dehydration?
The terminal 3' Carbon of the growing strand adds to the 5' Carbon of the new nucleotide.
What level of protein structure is represented by hemoglobin?
Pepsin breaks down proteins and works with an optimal pH of around 2. Which of these areas of the Gi tract would be most conducive to pepsin functioning?
Stomach (very acidic).
Carbon's atomic number is 6. How many electrons does it have to be in stable form?
Which of these is a true difference between prokaryotes and eukaryotes?
Prokaryotes evolved before eukaryotes.
I develop a drug that blocks the cis face of the golgi. What would be the result?
Vesicles sent from the ER will not be able to enter the Golgi.
In cell culture, I add a chemical which breaks down the phospholipid bilayer of the cellular membranes. Which of the following things would NOT be affected?
Which of these is not a current argument supporting the Endosymbiotic Theory?
Mitochondria and chloroplasts are part of the endomembrane system.
In cell culture, I add a chemical which blocks the creation of tubulin. Which of these is the highest possible outcome?
Organelles within the cell would lose their transportation routes.
Which of the following structures are found in eukaryotes but not ANY prokaryotes?
Cytoskeleton, Ribosomes, Membrane-bound organelles, Cell walls.
In the NA/K, three sodiums are pumped out for every two potassium pumped in:
I place a stalk of celery in a beaker containing very salty H2O. What will happen to the celery stalk over time?
It will wilt due to loss of water.
Which of these is NOT a basic mechanism for cellular communication?
What is metabolism?
A balance of anabolistic and catabolistic reactions in the body, the totality of an organism's chemical reactions, an emergent property of life that arises from interactions between molecules within the cell.
In the chemical reaction, A + B = (A+) + (B-): Also, what is the oxidizing agent?
B is reduced.
During an experiment involving a chemical reaction, the production of products absorbed 58kJ of energy. This reaction was:
Endergonic requiring energy.
How are metabolic pathways regulated?
Where are the electrons stored during the process of respiration?
What is the NET production of ATP at the end of glycolysis?
You are working out in Pitzer's spinning class exercising hard enough but getting enough oxygen to keep going. You are:
In an aerobic state fully breaking down glucose all the way through the electron transport chain.
You are working out in lifting very heavy weights in the gym to exhaustion (no more oxygen available). You are:
In an anaerobic state using only glycolysis.
Per glucose, how many net ATPs are made in glycolysis, CAC, and ETC?
2, 2, 30s
The final electron acceptor in aerobic respiration is:
Oxygen to form water.
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