PHAGOCYTOSIS-A-level Biology. Phagocytes and macrophages engulf pathogens & lysozyme destroys them

Learn the non-specific immune response phagocytosis. Phagocytes engulf pathogens, surround the pathogen in a phagosome and then lysosomes fuse. This releases lysozyme which hydrolyses the pathogen.
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[@ariacalloway]

these videos are so helpful, you're the only one who can save my bio grade this yr !!!!

[@MissEstruchBiology]

I'm so glad! Best of luck ☺️☺️☺️

[@alaynahurooj1995]

Honestly, your videos are great I just found you and YES- thank you its hard to learn during lockdown so :)

[@MissEstruchBiology]

Thank you :D Remote learning must be so challenging and stressful, so I am pleased I am able to help in some way.

[@alaynahurooj1995]

@@MissEstruchBiology 😊

[@lucles8118]

Thank you! this really helped with my project.

[@MissEstruchBiology]

You're welcome! I'm glad it helped

[@alokbilkhu]

Thanks - very helpful!

[@MissEstruchBiology]

so pleased it helped!

[@Abdul-ht1tc]

Thank You!

[@MissEstruchBiology]

I hope it helped ☺

[@junaidrehman7519]

made it way much easier for me.

[@MissEstruchBiology]

That's great 😁😁 So pleased it helped

[@jencyauriavales4278]

Just wondering whether we need to know about neutrophils because you haven't mentioned them here yet they are on the spec I think

[@MissEstruchBiology]

hey, not for AQA but you may need to for other exam boards

[@ellad43]

If the response is non-specific, why are there receptors that attach to the pathogen? are they complementary or will they bind to any non-self/abnormal antigen?

[@user-bx5rl1js9p]

i think its because it happens for all pathogens? is it?

[@domsmith8625]

2:35 , how can they bind to the pathogen if its not complimentry? Is it something where the process only continues if by chance its complimentary if you get what i mean

[@riemashanaachandragantha4655]

complementary receptors to pathogen antigens i think

[@zeenazeena2428]

Hi miss estruch is white blood cells in both second and third line of defence please this is really confusing me

[@riemashanaachandragantha4655]

second first is like skin, mucus, hairs in the nose, earwax, tears basically any fluid then the white blood cells if the pathogen gets inside the body so second line of defence

[@shadowallison7317]

Hi, on 0:14, how come you say the anti-gen video was the previous one yet its listed as video #11 on this playlist ? Does it matter whether we watch that one in playlist order as we haven't done that in class so far

[@MissEstruchBiology]

Hello,
It might depend which playlist you are watching on. Topic 2 playlist I think is in order, but the whole Y12 and A level isn't.

[@shadowallison7317]

@@MissEstruchBiology Ahh yup, I'm watching the topic 2 one

[@mohid0786]

In an exam, let's say a question pops up on the definition of endocytosis & exocytosis. Would I get the mark if I described it as:
Endocytosis as basically being the process where "material is being/has been imported into the cell"
&
Exocytosis as basically being the process where "material is being/has been exported out of the cell" ?

[@calmmindfullness]

I’ll come back here when I get my results and comment that I got an a* because of your videos

[@MissEstruchBiology]

Love this! Good luck and I look forward to it 😁😁

[@medicusv61]

Did you get A*?

[@labradoodledo3952]

It’s pronounced fah-guh-si-toe-sis

[@desdemona6834]

Every bio teacher I’ve ever had has pronounced it differently
“Fa-ga-cytosis”
“Fay-go-cytosis”
“Fay-jo-cytosis”
So I really don’t think it makes much of a difference

[@NiceButBites]

Don't be a pedant,

[@shazmeertv44]

@@desdemona6834faygocytosis clear