Answers edited by Harsh

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• Is the vertebral artery a branch of the aortic arch?
  
• Chromosomes line up in the center of the cell during which phase?
  
• Are lymphocytes produced in the bone marrow and then migrate to the thymus gland and lymph nodes where they develop? Are some lymphocytes also produced in the lymph nodes?
  
• Question #3b875
  
• What are some reasons why invasive species cause extinction?
  
• What is the Fluid Mosaic Model?
  
• Cystic fibrosis sufferers produce a thick mucus in the lungs. Why are they more likely to get lung infections?
  
• Within a DNA molecule, which nitrogen base pairs with cytosine (C)?
  
• What is an example of a trait inherited by multiple alleles?
  
• What is actually dividing during cytokinesis?
  
• Question #f6307
  
• What is a Mendelian trait?
  
• Which of Darwin's postulates about evolution by natural selection is most directly related to heritable variation?
  
• What technique is used to separate DNA fragments?
  
• How does bacterial transformation occur?
  
• Who developed the theory of evolution?
  
• To what kingdom does bacteria belong?
  
• Why is species richness important?
  
• What is the hormone commonly used to detect if a women is pregnant?
  
• Which step of aerobic cellular respiration produces the most atp?
  
• During interphase, the DNA appears as very long strands of DNA known as what?
  
• How does the structure of DNA relate to the function of DNA as a carrier of information?
  
• Question #e45be
  
• How do body cells differ from gametes?
  
• What is an electric dipole?