Answers created by Ahmed(Medical Genetics Academy)

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• Question #b21f8
  
• How are barr bodies formed?
  
• How does gene regulation differ in prokaryotes and eukaryotes?
  
• Why might a cell make lots of rRNA but only one copy of DNA?
  
• Question #28233
  
• What strand of mRNA would be produced from the strand of DNA "CAT TAG" ?
  
• What sugar does RNA have that is different from the sugar in DNA?
  
• How are restriction and DNA ligase enzymes used to insert a foreign gene into a plasmid?
  
• What do codons code for in addition to amino acids?
  
• What do acetyl tags do?
  
• In what stage of meiosis do synapses occur?
  
• How do bones support movement?
  
• What are the causes and effects of genetic variation in human?
  
• Where are old red blood cells destroyed?
  
• How can mutations affect genetic equilibrium?
  
• Are there 31 pairs of cranial nerves and 12 pairs of spinal nerves?
  
• What could be function of nuclear membrane? It is porous and seems to allow materials to pass freely.
  
• Why do bones show up white during X-ray?
  
• Why are nucleic acids important?
  
• What happens to the transcript RNA before it leaves the nucleus?
  
• Can mutations have a positive effect?
  
• Do cancer cells undergo mitosis at an abnormally fast rate?