store house of calcium ion is. (a) sarcoplasmic reticulam (b) bone (c) nucleus (d) tonoplast
read ncert
- 4555 दृश्य
- 23 उत्तर
-
-
- 11 सितम्बर
- 0 टिप्पणी
-
-
its option A (sarcoplasmic reticulum) because presence of Ca+2 ions in sarcoplasmic reticulum helps for the contraction of muscles (we have studied that as action potential passes ca+2 ions from the sarcoplasmic reticum will be released into cytoplasm and thus the troponin which covers the active sites of actin move into cytoplasm and bind to ca+2 ions. This results in the exposure of active sites of actin and leads to contraction of muscle) . Though bone is said to be made of calcium phosphate it is not said to be the reservoir of ca+2 ions. as far as i know nucleus and tonoplast (layer around vacuole) are in no way associated with calcium.
-
- 15 मई
- 0 टिप्पणी
-
-
Sarcoplasmic reticulum is also known as store house of Ca2+ Ions. Read ch21 of ncert class 11
-
- 25 सितम्बर
- 1 टिप्पणी
-
- Is there only online process for submit fees?
- what's the best way to get rid of sleepiness during study....?
- how should i prepare for physics in this last time for aiims
- which is the best biology book for cracking AIIMS
- How do I prepare now for neet?
- what is the difference between metameric segmentation and pseudo metameric segmentation as in annelids and platyhelminthes?
- AIIMS EXAM
- how much minimum marks shuld i get in aiims exam for admsn in any aiims clg
- what is the main function of plastid
- What is difference between Taxon and Taxa???
A