Lecture_1 - Dr Gregg Transue Office 214 ARC 732-445-2594...

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Dr. Gregg Transue Office: 214 ARC 732-445-2594 [email protected] Weekly Review Session Wednesdays 3-4:30 PM Busch MSLC Bio Room Computer work:  http://alca.rutgers.edu/bio102/compwork08.htm   I. Development a. Stages of Development  i. Fertilization 1. Do NOT think about it as  just  syngamy  2. Gamete Anatomy  a. Human sperm: anatomy  i. *Fig. 49-6a p 1056 ii. Acrosome (tip) 1. Vesicle at the head end of the sperm  (that first interacts with the egg) 2. Contains digestive/hydrolytic  enzymes 3. These enzymes are essential  because iii. Its job is to get its nucleus to the egg cell  membrane iv. Very little cytoplasm  v. Its food comes from the seminal fluids  b. Human egg* anatomy:  i. Fig. 49-10a pg. 1061 (star because it is a  haploid egg that hasn’t completed  meiosis secondary oocyte) ii. Zona pellucida little “halo” around the  secondary oocyte itself; noncellular layer  composed of glycoproteins  iii. Granulosa cells cells of the follicle that  surrounds the secondary oocyte 
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c. After ovlulation:  i. Fig. 49-16, p. 1068 1. Corono radiata  granulosa cells  from the previous picture  d. Starfish egg vs. Human egg i.
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