#Question id: 5608
#Unit 5. Developmental Biology
Stereoblastulae -
#Question id: 5609
#Unit 5. Developmental Biology
Just before sperm addition, sea urchin eggs are microinjected with a calcium chelator. What event will most likely not takes place after fertilization?
#Question id: 5610
#Unit 5. Developmental Biology
The acrosome reaction involves the extension of the acrosomal Process:
#Question id: 5611
#Unit 5. Developmental Biology
Which ion play an essential role in pollen tube growth?
#Question id: 5612
#Unit 5. Developmental Biology
Outside the egg cell membrane is an extracellular matrix that forms a fibrous mat around the egg and is often involved in sperm-egg recognition. In invertebrates, this structure is usually called the:
#Question id: 5613
#Unit 5. Developmental Biology
Female mice with the CD9 gene knocked out are infertile because