Answers edited by Saliha

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• Question #62177
  
• What parts of speech are a, an, and the?
  
• What is nitrogen fixation?
  
• How do the two differ - (1) adding water to acid and (2) adding acid to water?
  
• What is the small sac under the liver?
  
• Question #65b20
  
• Question #d4caf
  
• Which layer is thicker, the dermis or the epidermis?
  
• What are four examples of air pollutants?
  
• What is the structure of the ammonia molecule?
  
• Why is it better to eat food that has been covered versus food that has been uncovered?
  
• What are the intermolecular forces in KOH?
  
• Are the bronchi, alveoli, and pharynx all found in the lungs? If not, which is not?
  
• How can neurons generate consciousness?
  
• Question #5988d
  
• Question #d3f4e
  
• Question #1e366
  
• Question #d3ffd
  
• Name the process by which bacteria multiply themselves?
  
• Question #8c760
  
• Why do bryophyta plants grow in land but need water for fertilization because of which they are called amphibian plants?
  
• How do presynaptic and postsynaptic neurons work?
  
• Why most fatty acids have even number of carbon atoms?
  
• Question #6dcaf
  
• How can we determine if an enzyme will work with a specific substrate?
  
• Question #781c0
  
• What are the four basic components of blood?
  
• Question #45e92
  
• Question #772f2
  
• Where in the human body is the pituitary gland located?
  
• Where is pepsinogen, a digestive enzyme, secreted?
  
• Question #6e89a
  
• Question #62f05
  
• Question #1cc98
  
• How does skeletal muscle differ from smooth muscle?
  
• Question #d1fbd
  
• What are the muscles involved in biting and chewing an apple?
  
• What is the first part of the Calvin cycle?
  
• What is the condition that is caused by increased secretion of growth hormone during childhood in which a person reaches an abnormal stature?
  
• In response to a stimulus, do skeletal muscle fibers always contract to 25% of their potential ability, always contract to 50% of their potential ability, always contract to 100% of their potential ability, or none of the above?
  
• Question #5538f
  
• What are the events which lead to the formation of (a) identical twins, and (b) fraternal twins?
  
• Question #47551
  
• How many moles of water are produced when #"2.15 moles"# of oxygen gas react with excess hydrogen gas?
  
• Question #424c2
  
• In the female mammalian reproductive system, what is the purpose of the oviduct?
  
• How are carbohydrates and saccharides related?
  
• Question #69761
  
• What is the difference between an antigen and an allergen?
  
• What do animal and plant cells have in common?
  
• Question #8ba00
  
• What does semiconservative mean in the context of DNA?
  
• What structure does act as a door at the entrance of trachea?
  
• Question #86a6f
  
• What affects cellular respiration in plants?
  
• Question #00d20
  
• Question #0dd91
  
• What is the commissure that connects the left and right hemispheres?
  
• What are the elements of the poem?
  
• Question #2c2dd
  
• What is the first part of the large intestine that is attached to the vermiform appendix?
  
• During cross-bridge formation, the cocked head of myosin attaches to what on the thin filament?
  
• Question #c26d0
  
• Question #29578
  
• Question #47061
  
• Is ozone depletion cyclic?
  
• What are the filaments called that help some bacteria stick to surfaces and exchange plasmids through conjugation?
  
• When your physician asks you to open your mouth, stick out your tongue and say "ahh", what muscles are you contracting?
  
• Question #f1257
  
• Question #d61ec
  
• What molecules form proteins when linked with covalent bonds?
  
• How did the meaning of "organic" change during the 19th century?
  
• What is 'Folding of polypeptide chain'?And what is its effect?
  
• What is the reaction between #"potassium hydroxide"# and #"sulfuric acid"#?
  
• How do impulses cross the synapse?
  
• How many water molecules in a #0.90*g# mass of water?
  
• Question #a0fc7
  
• At #"STP"# what is the molar quantity of dinitrogen gas which has a volume of #5.6*L#?
  
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