exam
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100
The plasma membrane is composed primarily of _____.
What is phospholipids
100
Tails of phospholipids are oriented what way towards the bilayer?
What is inward
100
person's blood type is determined by the presence of particular _____ in the red blood cells' membranes.
What is glycoproteins
100
Osmosis is specifically about the movement of _____ in and out of cells.
What is water
100
People may get injections of _____, a component of the extracellular matrix of animal cells, to get rid of their wrinkles.
What is collagen
200
Macrophages, immune system cells, engulf bacteria by _____.
What is phagocytosis
200
the reaction A + B --> C + D, the reactant(s) is/are ______________.
What is A + B
200
Reactions which require an input of energy ___________.
What is endergonic
200
If the inside of a cell is .1% NaCl, which solution is isotonic to the cell?
What is .1% NaCl
200
The coenzyme ____ accepts electrons during cellular respiration.
What is NAD+
300
Heart cells are able to contract in unison because of the flow of ions through _____.
What is tight junctions
300
very high fever (105 degrees F) is dangerous because enzymes can become _________.
What is denatured
300
Energy is never created or destroyed is known as the:
What is First law of thermodynamics
300
Type of light that photosynthesize utilizes
What is visible light
300
What light is absorbed the least by chlorophylls a and b
What is green
400
Which of the Citric Acid cycle products is disposed of by our respiratory system when we exhale?
What is CO2
400
reactants of photosynthesis
What is CO2, H20, and sunlight!
400
electrons are removed from pyruvate in the transition reaction, they are accepted by _____.
What is acetyl Co-A
400
ATP produced during glycolysis is produced by _____ phosphorylation.
What is substrate-level
400
There is/are _____ pyruvate molecule(s) produced per glucose molecule during glycolysis.
What is two
500
During cellular respiration, glucose loses hydrogen ions so it is _____.
What is oxidized
500
In the reaction (NADP+ + 2e- + H+ --> NADPH), NADP+ is _____.
What is reduced
500
Glycolysis occurs in the _____.
What is cytosol
500
If oxygen is not available _____ follows glycolysis.
What is fermentation
500
During fermentation, _____ is regenerated and it returns to glycolysis to pick up more electrons.
What is pyruvate
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