Biology, 27.11.2020 22:10 FavvBella84
Fertilization by more than one sperm would result in a polyploidy and an inviable zygote. What is the first line of defense against polyspermy?a. species specific recognition of proteins on the outer coat of the egg.
b. changes in the membrane potential of the egg prohibiting additional sperm from entering.
c. capacitation in the sperm fertilizing the egg.
d. products released from the egg changing the zona pellucida of the egg and prohibiting additional sperm from entering.
Answers: 2
Biology, 22.06.2019 07:00, kprincess16r
Give three examples of plant activities that are affected by circadian rhythms and natural fluctuations in the length of daylight?
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Biology, 22.06.2019 14:30, angelrenee2000
The table above shows five different types of chromosomal abnormalities that can occur during meiosis. they result in either an individual having too many or too few chromosomes in their genome. what is the most likely cause of these chromosomal abnormalities?
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Biology, 22.06.2019 19:30, sierrathomas431
Explain the physiological changes that occur when the hypothalamus stimulates the sympathetic nervous system. you can make a flowchart or a simple step process. be sure to include all chemicals/hormones secreted, glands involved and the functions of each chemical/hormone.
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Fertilization by more than one sperm would result in a polyploidy and an inviable zygote. What is th...
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