Events of fertilisation Study guides, Class notes & Summaries

Describe the events of fertilisation that occur after the acrosome reaction. - Answer -Membrane of sperm and egg cell fuse together -cortical granules release contents into zona pellucida -Zona pellucida thickens -Haploid nuclei fuse Explain how phospholipids form a cell surface membrane - Answer -Hydrophilic parts associate with water -Hydrophobic parts repel water -a bilayer forms with hydrophobic parts pointing in towards the centre of the bilayer Describe the role of the ...

Describe the events of fertilisation that occur after the acrosome reaction. -Membrane of sperm and egg cell fuse together -cortical granules release contents into zona pellucida -Zona pellucida thickens -Haploid nuclei fuse Explain how phospholipids form a cell surface membrane -Hydrophilic parts associate with water -Hydrophobic parts repel water -a bilayer forms with hydrophobic parts pointing in towards the centre of the bilayer Describe the role of the CFTR protein in e...

NCERT-Human Reproduction Class 12 Chapter 3 Exam 2024/2025 List 3 reproductive events? - ANSWERSGametogenesis Insemination Fertilisation Attachment of blastocyst to uterine wall is called? - ANSWERSImplantation Embryonic development is also called? - ANSWERSGestation Delivery of baby is called? - ANSWERSParturition Ovum formation ceases in women around the age of? - ANSWERS50 years Male reproductive system consists of? - ANSWERSPair of testis Accessory ducts Glands Exte...

Describe the events of fertilisation that occur after the acrosome reaction. correct answers -Membrane of sperm and egg cell fuse together -cortical granules release contents into zona pellucida -Zona pellucida thickens -Haploid nuclei fuse Explain how phospholipids form a cell surface membrane correct answers -Hydrophilic parts associate with water -Hydrophobic parts repel water -a bilayer forms with hydrophobic parts pointing in towards the centre of the bilayer Describe the role...

Edexcel A-level biology exam questions and answers 100% pass Describe the events of fertilisation that occur after the acrosome reaction. - Answer-- Membrane of sperm and egg cell fuse together -cortical granules release contents into zona pellucida -Zona pellucida thickens -Haploid nuclei fuse Explain how phospholipids form a cell surface membrane - Answer--Hydrophilic parts associate with water -Hydrophobic parts repel water -a bilayer forms with hydrophobic parts pointing in towards...

The concentration of potassium ions inside an animal is many times higher than the concentration of potassium ions in the extracellular fluid. Which mechanism is responsible for the uptake of potassium ions by this animal cell? correct answersActive transport. Describe the events of fertilisation that occur after the acrosome reaction. 3 marks. correct answersThe sperm cell membrane fuses with the egg cell membrane. The cortical granules release contents into the zona pellucida. The conte...

Edexcel A-level Biology Exam Questions with Verified Answers | Latest 2023/2024 Describe the events of fertilisation that occur after the acrosome reaction. -- -Membrane of sperm and egg cell fuse together -cortical granules release contents into zona pellucida -Zona pellucida thickens -Haploid nuclei fuse Explain how phospholipids form a cell surface membrane -- -Hydrophilic parts associate with water -Hydrophobic parts repel water -a bilayer forms with hydrophobic parts pointing in to...

Edexcel A-level biology exam questions and answers 100% pass Describe the events of fertilisation that occur after the acrosome reaction. - Answer-- Membrane of sperm and egg cell fuse together -cortical granules release contents into zona pellucida -Zona pellucida thickens -Haploid nuclei fuse Explain how phospholipids form a cell surface membrane - Answer--Hydrophilic parts associate with water -Hydrophobic parts repel water -a bilayer forms with hydrophobic parts pointing in towards...

Edexcel A-Level Biology Exam Questions With 100% Correct Answers 2023

AQA A level Biology Revised Questions And Answers 2023 Describe how you would use a biochemical test to show that a solution contained a nonreducing sugar, such as sucrose. [3] - CORRECT ANSWER-,first reducing sugars test; boil with dilute HCl acid then Neutralise with NaHCǑ, add benedict and heat to 95 degrees C brick red ppt forms if reducing sugar is present Describe a chemical test you could carry out to show that a piece of coconut contains lipids. [3] - CORRECT ANSWER-(Crush in)...