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Simply, Amino acids are taken into the cell by symporters(co-transporters), which move Na+ or H+ ions into the cell in the thermodynamically downhill direction and cotransport amino acids with them, even though that is in the amino acids' uphill direction, not by endocytosis. Actually A represents exocytosis not endocytosis.
Well I'm not taking Chem but I found this way, it is the easiest according to me. So basically if you dissolve the Molar Mass in 1dm3 of water you get a 1 mol solution. The calculation is as follows in the image attached. So if the question asked for other values, you will just plug them in into the working etc
But how are we supposed to know that
haven't we been taught about bulk transport of larger substances??
The answer is B. Mitotic cell division does NOT allow a cell to get repaired, but rather a damaged TISSUE may be repaired, by replacement of damaged cells with new cells. A damaged cell cannot be repaired, it would just die or if it manages to divide and produce new cells then its gone as well. No cell is getting repaired, just old cells getting replaced by new ones.
Actually you get to learn that in A2 syllabus. It is exocytosis, if you are going to consider Protein Synthesis. So after the whole process, the golgi apparatus starts pinching into shuttle vesicles that move on the cell surface membrane and fuse with and secrete the enzymes, proteins etc. So in this specific motion, those vesicles will be moving towards the CSM not the other way round. The question also mentioned 'concentrated', this probably means that when taking in large molecules, the conc is low and it starts building up at the RER... Besides, that co-transporter thing is sometimes known as Indirect Active transport. Moreover,after further research, Amino Acids are taken in by Endocytosis, Active transport(both forms), Facilitated diffusion. There isn't a specific wayBut how are we supposed to know that
+ isn't it endocytosis
Alveolus has elastic fibres
Even trachea does :3 right?
doesnt the trachea have cartilage in c-shaped
I was doing end of chapter questions in my book and in the answers it said trachea and respiratory bronchioles also have elastic fibre...
Ok so the order is as follows :-
which book is this?I was doing end of chapter questions in my book and in the answers it said trachea and respiratory bronchioles also have elastic fibre...
Probably the one mentioned here:which book is this?
i dnt remember reading tht trachea had elastic fibres or the respiratory bronchioles
but why would trachea and bronchiole need elastic fibres
I will try to revise this topic.but why would trachea and bronchiole need elastic fibres
the alveolus stretches and recoils due to the air flow but i dnt see why trachea or bronchiole need it
could be wrong :/ anyone else knw?
It's B because a cell cannot repair any cell. It can form new cells to replace it but it can't repair it.
Please can you look at question above and below your comment you just posted on here and see if you knowI will try to revise this topic.
(since i think you are online right now )
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