Why is it advantageous that the sperm do not immediately reach the fallopian tubes?
a. The digestive enzymes in the acrosome of the ovum need time to mature, so that the sperm can penetrate the zona pellucida.
b. The digestive enzymes in the acrosome of the sperm need time to mature in the female reproductive tract, so they can penetrate the zona pellucida of the ovum.
c. Time is needed for protease enzymes to cleave proteins on the outer core of the ovum, creating a mature ovum containing a zona pellucida.
d. Time is needed for protease enzymes within the female reproductive tract to cleave proteins on the outer core of the sperm, creating a mature sperm that can penetrate the zona pellucida.
Question 2
What occurs during ovulation to ease the passage of the sperm?
a. The pH of the vagina becomes more acidic.
b. The pH of the vagina becomes more basic.
c. The mucus of the cervix thins out.
d. The mucus of the cervix thickens.
A vasectomy, showing how each vas deferens is tied off in two places and then a section is removed f
Intracytoplasmic sperm injection (ICSI).
sperm cell
But tortoises on lusher islands where grass is plentiful and the need to reach into trees not so fre
Microtainer tubes.
Blood Collection Tubes: Order of Draw