Fertilization

Question 1

A sign of an oocyte being in M2 is the presence of a

Answer 1

polar body

Question 2

Only sperm from the ___ has the capacity to navigate the vagina

Answer 2

ejaculate

Question 3

The two important changes for sperm during capacitation are increases in what

Answer 3

pH and intracellular calcium

Question 4

The release of enzymes known as ___ help the sperm penetrate the cumulus cells surrounding the oocyte

Answer 4

hyaluronidase

Question 5

What’s the main zona pellucida binding protein

Answer 5

ZP3

Question 6

The __ is the primary binding site for sperm

Answer 6

zona pellucida

Question 7

The __ allows the sperm to release egg penetrating enzymes and exposes the sperm nucleus

Answer 7

acrosome reaction

Question 8

The tail of the sperm allows movement through the female and provides the ___ to get into the oocyte cytoplasm

Answer 8

motile force

Question 9

__ __ release once a sperm enters the cytoplasm and it blocks polyspermy via the egg membrane and the ZP

Answer 9

cortical granules

Question 10

_ entry into the egg is important for fertilzation

Answer 10

Ca2+

Question 11

The embryo enters the uterus for implantation on day

Answer 11

5

Question 12

Oocyte activation doesn’t require a _ and this is important to not allow extraneous egg activation

Answer 12

sperm

Question 13

Sperm counts with __% motility and __% normal morphology is desired

Answer 13

50; 4

Question 14

Globozospermia lack a

Answer 14

acrosome