Answers created by Paul G.

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• Why are voltage-producing voltaic cell reactions spontaneous but electrolysis reactions nonspontaneous?
  
• How do I match these bio-chemistry terms?
  
• All of the genes of all members of a particular population make up the population's what?
  
• How can ketones cause acidosis?
  
• Why is formaldehyde an aldehyde?
  
• What is glycolysis?
  
• How does the decline in world fisheries represent a tragedy of the commons?
  
• How can fiber optics be used in medicine?
  
• What is the redox reaction of the following case and predict its spontaneity? A chemistry teacher demonstrates a test for bromide ions by bubbling some chlorine gas cautiously through a sodium bromide solution.
  
• How are arteries and veins structurally adapted to their functions?
  
• To which beaker should more 1.00M NaOH solution be added in order to change the color of the phenolphthalein indicator to pink?
  
• Can someone kindly tell me how i can answer questions 1, 5 and 6? :( I'm trying hard to search and understand but i can't seem to find the answers. thank you so much in advance.
  
• How does the nervous system function in reflexes?
  
• What are the receiving chambers of the heart called? The pumping chambers
  
• What is function of salt bridge in voltaic cell?
  
• In general, as air temperature decreases, the rate of condensation?
  
• What is an ionic Bond?
  
• What effect does the absorption of carbon dioxide have on the hydrosphere?
  
• Which structure controls the movement of materials into and out of the cell?
  
• What are keytones?
  
• Whats the tiny gap between neurones called?
  
• How can photons cause ionisation?
  
• Why does the pressure increase inside a car tire after it is driven for a while?
  
• How can the temperature of a gas be raised without supplying any heat to it?
  
• Explain phospho bacteria in soil?
  
• Why do some scientists think that global warming would increase the strength of hurricanes?
  
• What is the role of enzymes inside a lysosome?
  
• What are the advantages of variations in evolution?
  
• This question is about the rate of a chemical reaction between two reactants, one of which is in solutuion and one of which is solid?
  
• What is the structure and function of "electron transport chain" in chloroplast and mitochondria?
  
• Question #1f5bb
  
• Why would it be difficult to replant trees in an area of tropical rainforest that has been cleared? What do you think would have to be done before this could be attempted?
  
• Question #427be
  
• Question #31750
  
• Question #20b55
  
• Fat triglyceride molecules have more hydrogen on their fatty acids and are usually solid at room temperature. Which type of fatty acid (saturated or unsaturated) is more common in fat triglycerides?
  
• Question #72e2c
  
• What process must happen to gaseous nitrogen before plants can use it to grow?
  
• Question #357ab
  
• Question #00905
  
• Choose? -Actively dividing cells are found in all of the following regions of a plant except? A) shoot tip meristem B) Root tip meristem C) vascular cambium and cork cambium D) Root cap. Thanks
  
• Why are d and f block elements called transition elements?
  
• Question #cfdff
  
• What does the pulmonary artery do?
  
• What type of neuron carries impulses from the skin and organs to the spinal cord and brain providing information about the external environments?
  
• Question #c884b
  
• Membrane-bound organelles have been an important component in the evolution of complex, multicellular organisms. Which of the following best summarizes an advantage of eukaryotic cells having internal membranes?
  
• Question #4142c
  
• Question #71354
  
• Question #1163d
  
• Question #66841
  
• Question #ac941
  
• What is gycolysis? What does it make?
  
• Industrial melanism is a much discussed topic in evolution. Is it in any way associated with mutation?
  
• Which will have the lowest percent ionic character based on your knowledge of electronegativities? BaO or SrO?
  
• Question #7b49f
  
• Which part of a longitudinal wave has the lowest density?
  
• How do plants make ATP?
  
• Where is most nitrogen found?
  
• Question #d0e55
  
• What is Dehydration synthesis AND Hydrolysis? include an example for each that would affect a living organism?
  
• Question #c6f31
  
• Why are restriction enzymes important for DNA fingerprinting?
  
• Question #c4f56
  
• Question #0af92
  
• Question #ddb4a
  
• Question #a117f
  
• Question #3c4fa
  
• What is the relationship between the termite, flagellates and bacteria that help the termite digest wood?
  
• Why might fatty acids, amino acids, and nucleic acids increase the hydrogen ion (H) concentration of a solution?
  
• What is the human impact on coniferous forests?
  
• Question #1787b
  
• A chemical element is a pure substance that consists of only one type of what?
  
• How does entropy relate to osmosis and diffusion?
  
• What are the two extreme causes of genetic drift?
  
• Question #cb7b0
  
• What is the outermost boundary of a prokaryotic cell?
  
• Question #e9191
  
• Question #a824f
  
• Question #09fa9
  
• What is the mass of one atom of copper in grams?
  
• What are differences between real and virtual images formed by lenses?
  
• What is the motion of the particles of a liquid?
  
• What triggers droplet formation in clouds?
  
• Question #983c6
  
• How could we know whether a trait is autosomal or sex linked by studying a pedigree?
  
• Question #67a33
  
• What are examples of cephalopods?
  
• What is a cause of polarity in water molecules?
  
• What hormone stimulates the liver to release glucose into the blood?
  
• Aristotle contributed to the science of taxonomy when he classified animals into how many groups?
  
• Question #673e9
  
• A gas becomes a liquid through what process?
  
• How does the development of antibiotic resistance in a population of bacteria support the theory of evolution through natural selection?
  
• Question #5dafe
  
• Question #5fa2d
  
• What combination of elements typically forms a molecular compound?
  
• How would you explain how independent assortment, crossing over, and random fertilization contribute to genetic variation?
  
• How do you measure the wavelength of a transverse wave?
  
• What is the path length in centimeters when the transmittance is #0.692#, the molar absorptivity is #7.39 xx 10^4 "L/(mol.cm)"# and the concentration is #0.0000923 M#?
  
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