- 2018 AP Biology Exam Guide
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Maybe it will work.
2018 AP Biology Exam Guide
What that idea is, if you chop something up it exposes internal surfaces that allow materials to move in or out. If I have a big steak by chopping it up with my teeth, it gives more surfaces for my enzymes to digest that steak so I can digest it faster. This is why my ears get colder faster than say my torso. Because it has more surface are per milliliter of body than my torso does. So it allows rapid exchange of temperature.
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There are the concept questions and a then the specific AP biology lab based questions. If all you know about Cellular Transport is the difference in active and passive transport you can still get some points here. You may not know anything about Turgor Pressure and Nerve Signal Transmission or a transmission of Oxygen in the blood, but you can at least get some points here. That will help you target in. Now that does not mean you should completely ignore lab number one, because the labs will also appear on the multiple choice questions.
So be familiar with them.
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So you can really make sure you focus in on the ones that I think are most likely. Why did it level off here? The other version is design an experiment. You have to know that rate is change in some variable like change in temperature, change in product over or divided by change in time. If you have to draw a graph, be glad because they give some easy points. They give points for correctly labeling the axis. So make sure though that you put in the correct scales. Figure out if my data range is from 0 to say 10; go 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, have a consistent scale.
And then put in the units. Say for example they have data for a 10 degrees Celsius, 20 degrees Celsius, 30 degrees Celsius, 40 degrees Celsius, 50 degrees Celsius. Even though they may not havedone the zero degrees. What if they say predict? Then use a dashed line or dash it and then put an arrow. The solid line is used for connecting the dots between known data points.
What you do is, to get one point you say, my hypothesis is. And be as explicit, and I mean that by being very obvious. Be as explicit as possible say my hypothesis is. It used to be that they would only give it to you if you said my hypothesis is, or if you had framed it in an if then statement. Somebody else had go on about because this is a photosynthesis essay question. Something along the lines of plants use light energy to form glucose, and as the light amount in the area increases, then the plant will be able to start getting more and more energy to produce the Glucose that has stored the energy, the chemical potential energy gunned from the light.
I thought wow, this kid really knows her stuff. Good for her she gets the point. Imagine, somebody gave you 12 billion Dollars. Do whatever it is you could do with 12 billion Dollars. I will make sure the Temperature is constant. I will make sure the amount of wind is constant. If you do that you get a point. That ties into identifying your control group versus your variable group. If I go back to what influences the rate of growth of the plants, I will have one plant group that is in darkness.
My darkness group is my control. And then I can compare to these guys. You do that, you get a point. Now if you have to come up with factors, almost in variably pH will influence almost anything.
Temperature influences almost anything in science, in Biology. And concentration, concentration of Carbon dioxide in your blood, concentration of Carbon dioxide in the air, concentration of food, concentration of predators, amount of firestorms in the area. Just go through, practice a few times. A lot of textbooks will have essay questions or short answer questions that will give you the opportunity to kind of practice and think through in your head, how would you do this if it was the AP exam?
Take a look at the 12 official labs like I recommended. Make sure you know enough to be able to say okay what would be an application of this concept, what sort of data should I expect, and how would I graph it? How would I go through it? Patrick Roisen. Thank you for watching the video. Start Your Free Trial Learn more.
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What is the correct sequence of electron travels during aerobic respiration? In aerobic respiration also known as cellular respiration electrons travel in this sequence: electrons are picked up from the food by NADH and FADH, the electron picked is then transferred to the electron transport chain through a proton pump, the activity of the pump creates an electrochemical gradient, an enzyme called ATP synthase uses the electrochemical gradient produced to generate ATP.
The last acceptor of an electron in aerobic respiration is oxygen, an electron is donated to oxygen to produce water. Read Answers. In the eukaryotic cell, there are many parts. There are lipids and proteins between the membranes of the endomembrane system. The endomembrane system are in the cytoplasm within these cells. In the system, the parts include organelles, nuclear membrane, endoplasmic reticulum, Golgi apparatus, lysosomes, vesicles, endosomes.
Each of these parts performs a function in order to allow the entire eukaryotic cell to function. One part is known as the Golgi apparatus. The function of the Golgi apparatus is in sorting the membrane components. The Golgi apparatus looks like a bunch of sacs. These sacs are called the cisternae. There are also vacuoles. Vacuoles are similar to vesicles and are also sacs located inside the cell. Eukaryotic cells are known as plant cells.
What determines the difference in lipid and protein composition between the membranes of the endomembrane system? The question says level from smallest to largest so why specices largest than kinkdom. Can you name the hierarchy of classifying organisms, from smallest to largest? Starch is present in plants. It is a soft, white, tasteless powder that is insoluble in cold water, alcohol, or other solvents.
All starch contains a form of sugar. A solution of starch is sensitive to the temperature at which it is kept.
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Usually, decomposition reactions require energy input. The decomposition temperature of starch is not due to water content because water may evaporate from a sample before reaching the decomposition temperature. Answer B is correct. The hydrolysis of starch to sugar is endergonic: endergonic reactions need an input of energy to occur. Why does a solution of starch at room temperature not readily decompose to form a solution of simple sugars?
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Allosteric inhibition is the progression by which a regulatory molecule attaches to an enzyme in a spot different from the active site for an additional particle, which causes a conformational alteration in the dynamic place for the second molecule, thwarting binding. This progression is also known as noncompetitive inhibition.