TLS Online TPP Program
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TLS Online TPP Program
#Question id: 5613
#SCPH01 Biochemistry
Female mice with the CD9 gene knocked out are infertile because
TLS Online TPP Program
#Question id: 5614
#SCPH01 Biochemistry
One difference between the blastula and gastrula stages of development is that
TLS Online TPP Program
#Question id: 5615
#SCPH01 Biochemistry
The fast block to polyspermy is achieved by:
TLS Online TPP Program
#Question id: 5616
#SCPH01 Biochemistry
In the sperm the elevated Ca2+ level in a relatively basic cytoplasm triggers
TLS Online TPP Program
#Question id: 5617
#SCPH01 Biochemistry
In sea urchins and mammals, the rise in Ca2+ concentration responsible for the cortical granule reaction is due to
TLS Online TPP Program
#Question id: 5618
#SCPH01 Biochemistry
Mouse cumulus cells also secrete a substance that attracts sperm and hyperactivates them through calcium ion channels. The substance is