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The granules present beneath the plasma membrane of oocyte cells are called …A… These granules fuses with the plasma membrane of oocyte and releases their content including …B… between the …C… and zona pellucida. This ensures the …D… . Here A, B, C and D refers to

a)

A-monospermy, B-plasma membrane, C-corticle enzyme, D-corticle granules

b)

A- corticle granule, B- corticle enzyme, C- plasma membrane, D- monospermy

c)

A- corticle enzyme, B- corticle granules, C- plasma membrane, D- monospermy

d)

A- corticle enzyme, B- corticle granules, C- monospermy, D- plasma membrane



Question ID - 7534 | SaraNextGen Top Answer

The granules present beneath the plasma membrane of oocyte cells are called …A… These granules fuses with the plasma membrane of oocyte and releases their content including …B… between the …C… and zona pellucida. This ensures the …D… . Here A, B, C and D refers to

a)

A-monospermy, B-plasma membrane, C-corticle enzyme, D-corticle granules

b)

A- corticle granule, B- corticle enzyme, C- plasma membrane, D- monospermy

c)

A- corticle enzyme, B- corticle granules, C- plasma membrane, D- monospermy

d)

A- corticle enzyme, B- corticle granules, C- monospermy, D- plasma membrane

1 Answer
127 votes
Answer Key / Explanation : (b) -

(b)

A-Corticle granules, B-Corticle enzyme, C-Plasma membrane, D-Monospermy. Ovum at the time of fertilization looks like

Steps  and  can be seen as

A-Sperm passes through corona radiate, B-Acrosome reaction, releasing lysing enzyme, C-Sperm passes through pellucida and reaches oolemma. D-Sperm and egg plasma membranes fuse, enabling the sperm contents to enter egg. E-Cortical reaction, releasing enzymes to harden zona pellucida

127 votes


127