User:Z3295026: Difference between revisions

Revision as of 12:23, 13 August 2009

Lab1 Questions- Student: z3295026

1. What is the protein that the sperm binds to on the surface?

Zona pellucida protein ZP3 acts as receptor for sperm

2. Name the three stage of follicle development in the ovaries?

1. Primordal follicle

2. Secondary follicle- (Pre-antral follicle)

3. Graffian follicle- (Antral follicle):is the mature follicle

Lab 2 Questions

1. What factor do the synctiotrophoblast cells secrete to support the ongoing pregnancy?

The Human Chorionic Gonadotropin (hCG) hormone and the proteolytic enzymes- they degrade the extracellular matrix around cells

2. What does the corpus luteum secrete to prevent continuation of the menstrual cycle?

progesterone as signaled by the hCG hormone produced by the trophoblast cells of the blastocyst

3. What are the 2 main tissues to be derived from the germ cell layer continuous with the lining of the amniotic sac?

ectoderm and endoderm

Presence at Labs: 1. 6/8/09 second lab

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-'''Lecture Questions- Student:''' ''z3295026''
+'''Lab1 Questions- Student:''' ''z3295026''
 '''1. What is the protein that the sperm binds to on the surface?'''
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 '''3.''' Graffian follicle- (Antral follicle):is the mature follicle
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+ Lab 2 Questions
+'''1. What factor do the synctiotrophoblast cells secrete to support the ongoing pregnancy?'''
+The Human Chorionic Gonadotropin (hCG) hormone and the proteolytic enzymes- they degrade the extracellular matrix around cells
+'''2. What does the corpus luteum secrete to prevent continuation of the menstrual cycle?'''
+progesterone as signaled by the hCG hormone produced by the trophoblast cells of the blastocyst
+'''. What are the 2 main tissues to be derived from the germ cell layer continuous with the lining of the amniotic sac?'''
+ectoderm and endoderm