Answers created by Evan Holbrook

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• How do the protective mechanisms present in the respiratory tract help prevent diseases from developing?
  
• How many electrons can a d orbital have?
  
• If you are wearing wet clothes, and the water evaporates, it cools you down. How does the kinetic theory explain the cooling effect?
  
• How do bacteria reproduce?
  
• Why do all metabolic reactions release heat, such as ATP hydrolysis?
  
• What happens to the pancreas when hyperglycemia (high blood glucose level) occurs?
  
• How does atmospheric pressure change with altitude?
  
• How is active humoral immunity achieved?
  
• Where are the enzymes associated with the light-dependent reactions of photosynthesis located?
  
• True or False?
  
• True or False?
  
• Is my answer correct? Note: The answer I chose is highlighted in blue.
  
• What hormone is secreted by the pineal gland?
  
• Spin quantum number of 16th electron of chlorine is?
  
• Nitrogen and oxygen combine to form many oxides. In some oxides, 14gm of nitrogen combines with either 16gm of oxygen or 32gm of oxygen. In some other oxides, 28gm nitrogen combines with 16, 48 or 80gm oxygen.(i)what are the formulae of the oxides?
  
• Can you find the mean of categorical data?
  
• A standard 6 sided die is rolled and a fair coin is tossed. what is the probability of rolling a 2 and tossing heads?
  
• Why does water form hydrogen bonds?
  
• Endo- means “within.” Where do you think the “endosteum” of a long bone is?
  
• Is revolution the process of releasing mature eggs each month?
  
• What is the journey like for a bacon, lettuce, and tomato sandwich through a person’s digestion system? Start with the mouth and ending with absorption. Include where the digestion of fats, carbohydrates, and proteins take place.
  
• What happen if our small intestine is straight?
  
• What is the term for all the types of alleles that exist in a population?
  
• Why do animals respond faster than plants?
  
• The allele for curly hair is incompletely dominant. If a mother is homozygous for curly hair and the father is homozygous for straight hair, what percentage of the offspring will exhibit characteristics of both parents?
  
• Name the photosynthetic organ and photosynthetic organelle in plants?
  
• How is population size regulated by abiotic and biotic factors?
  
• How much dna do humans "share" with plants?
  
• Write the pathway of light from outside to the retina? Thanks
  
• How does drug resistance develop in bacteria?
  
• Would CAM plants have a lot of stomata? Why or why not?
  
• What single factor limits the size that most cells are able to attain?
  
• What is the purpose of meiosis?
  
• How to know what the equation of #AgC_2H_3O_2# salt will dissolve to +states?
  
• Question #a407a
  
• Question #adb20
  
• Can the Calvin cycle take place in the daytime?
  
• Question #610bc
  
• What happens to the molecules in matter when you raise the temperature?
  
• Question #291bf
  
• Question #28faf
  
• Question #f4fbd
  
• Question #daeef
  
• Determine the percent yield for this reaction.?
  
• Question #3beaf
  
• Question #3a3a1
  
• Student will react 50mL pipetted samples of 0.2M potassium phosphate solution with an excess of 0.12M lead II nitrate solution.?
  
• Question #f4252
  
• Molarity question?
  
• Question #2ccd5
  
• Question #b560e
  
• How many atoms of oxygen are in one formula unit of #Ca(NO_3)_2#?
  
• Question #f1a87
  
• What genes does mitochondrial DNA encode for?
  
• What is percent yield of this reaction?
  
• For the reaction Cl2(g) + KBr(s) to KCl(s) + Br2(g),how many grams of potassium chloride can be produced from 300 grams of potassium bromide? a.98.7g b.111g c.188g d.451g
  
• Question #a28f9
  
• Question #299a4
  
• What is meant by "cell volume"?
  
• Question #1b99b
  
• Question #010ce
  
• Question #23dab
  
• Would it make a difference if you waited before putting the metal in the water? Why?
  
• Compare the structures of SO3 to PF3 and explain why they have different molecular shapes?
  
• Question #3b7a0
  
• How do you calculate the number of chloride ions in 0.5 mol of Magnesium Chloride?
  
• When an electron moves from excited to ground state (n=1), why can't it be seen by the human eye?
  
• What is the common mental disorder for elderly people, which is not one disease but a broad category of diseases?
  
• You want to stop your kid from eating the heads off of rabbits so you decide to make your kid eat a bunch of heads off of rabbits but they are laced with Tabasco sauce. What is this approach known as?
  
• Question #51231
  
• Why the effective nuclear charge (Zeff) of the elements in same group of periodic table are the same? Thank you?
  
• Where in a plant cell is chlorophyll found?
  
• Question #7ba31
  
• What is the specific heat capacity of silver metal if 55.00 g of the metal absorbs 47.3 calories of heat and the temperature rises 15.0°C?
  
• If the mass of a radioactive substance is 8 grams and it has a half life of 4 hours, how much mass remains after 8 hours?
  
• Question #a0b96
  
• Question #374b5
  
• Question #984b2
  
• What is represented by the base root of a phylogenetic tree?
  
• A gardener uses a chemical to kill the bacteria in the soil of his flowerbed. How will this plan affect the growth of his flowers?
  
• Question #0bff2
  
• Ming has two unknown substances. One is nonpolar, and the other is polar. Which process would most likely help Ming identify the unknowns?
  
• Question #4014f
  
• How do you determine the electron configuration for the f block?
  
• Question #505f3
  
• Question #277f2
  
• Question #27764
  
• Question #ab6d1
  
• How do you solve this system of equations: #8x - y + 2z = 21, x + 2y - z = 1, and 2x + 2y - 3z = - 3#?
  
• What conditions must be present for transcription of the Lac Operon genes? What is the function of a repressor protein if lactose is absent?
  
• What is the energy source plants use to produce high energy sugars?
  
• Question #9cca0
  
• Question #1cf8c
  
• Question #653d6
  
• How many moles of potassium are there in #2.4 \times 10^21# atoms K?
  
• Question #909c2
  
• Question #77aa9
  
• Question #230f1
  
• On a standard measure of hearing ability the mean is 300 and the standard deviation is 20. What is the z-score for a person who scores 260?
  
• Question #5e82f
  
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