Answers created by Fatima

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• Define the following? Plasma membrane
  
• Why are oxidation reduction reactions coupled?
  
• How do blood cells reproduce when they are consistently in motion?
  
• How does the heart function as a double pump?
  
• During which phase of cell cycle the duplication of centrioles occur?
  
• Which of the organelles in a cell contain nucleic acid?
  
• How do you simplify #\frac { 3x ^ { 3} y ^ { 2} } { 2x ^ { 2} y ^ { 3} }#?
  
• Do T lymphocytes make plasma cell clones?
  
• What is the name for substances that speed up digestion?
  
• If an object is dropped, how fast will it be moving after falling #21 m#?
  
• To what organelle structure in the cell does mRNA attach to?
  
• What are the results of the chemical digestion of carbohydrates, proteins and fats? Does this digestion occur in the mouth, stomach and/or the small intestine?
  
• How do you write an equation of a line through the the point (-5, -3) and is parallel to the line 7x+2y=5?
  
• How do you solve #\frac{2}{5} x - 15= \frac{5}{8} x - 16#?
  
• Examples of semi permeable membrane?
  
• What name is given to the time required for one complete wave to pass a given point?
  
• You do 25 J of work to move a 4 N object 5 meters. What is your efficiency?
  
• In the human body, which organs are not vital?
  
• Why is the cell membrane fluid?
  
• What endocrine gland goes to work when you are surprised with a pop quiz?
  
• What undergoes sn1 reactions?
  
• What the cell membrane made up of?
  
• How do you combine like terms in #(12x ^ { 3} + 15x ^ { 2} - 10x ) + ( 6x + 3x ^ { 3} - 5x ^ { 2} )#?
  
• What is an example of a way a mechanical wave can be transmitted?
  
• How much work does it take to raise a #3 kg # weight #1 m #?
  
• Why does ionization energy increase going down a group but decrease going across a period?
  
• Give a detailed yet easy to understand explanation about what DNA is and its job (factors etc.) Also, please include chromosomes and genes. A better understanding?
  
• Why do dipoles exist?
  
• Why do sound waves need a medium?
  
• What enzyme inhibitor is not a heavy metal? What enzyme does it interfere with and how?
  
• How do you solve #5.4= 1.7+ \frac { t } { 7} + 0.2#?
  
• How do you simplify #8x^2-8- [3(x^2-1) +7]#?
  
• What definition of acids and bases emphasizes the role of protons?
  
• What is the frequency heard by a person driving at 15 m/s toward a blowing factory whistle (800. Hz) if the speed of sound is 340.6 m/s?
  
• What is the correct way of connecting an ammeter and a voltmeter?
  
• Why does a plastic ruler rubbed on hair loses electrons and gets a positive charge?
  
• How are proteins used in the body?
  
• What is a destructive interference?
  
• What is the principle of superposition of waves?
  
• How is acceleration related to force?
  
• What can forces cause objects to do? What is an example?
  
• What are the bronchi? What are bronchioles?
  
• What is the name of #NaBr#?
  
• Where in the cell does DNA replication, transcription, and translation occur?
  
• Is butane an alkane?
  
• How many #O# atoms are in #Zn(ClO_3)_2#?
  
• What is the difference between the cell membrane and cytoplasm in an animal cell?
  
• How is atomic structure related to the periodic table?
  
• How is a single covalent bond formed?
  
• What are 3 organelles that plant cells have that animal cell does not?
  
• What are the tests used to identify lipids?
  
• What creates dipoles?
  
• How to prepare ethane from ehanoic acid??
  
• Intermolecular forces of attraction strongest to weakest?
  
• How does surface area affect osmosis? How does the water potential affect osmosis?
  
• How do transverse waves travel through a medium?
  
• What is the atomic structure of carbon?
  
• Which state of matter is characterized by having an indefinite shape, but a definite volume?
  
• Will increasing the surface are of the reactants increase or decrease the rate of a reaction?
  
• Why does DNA replication have such accuracy?
  
• Where do enzymes act as catalysts?
  
• What are the two main molecules that make a cell membrane?
  
• The plant cell is exposed to light.name one substance whose concentration would increase inside the chloroplast and explain why would this happen?
  
• What type of bond join the nucleotide in DNA?
  
• What is bulk transport?