كل ماتحتاجونه فـ الأحياء ,, / على مدار الساعه ^_^

[سارة الحربي]

/


آبي احد يفهمني هذه ^_^ ..
[ فـ الآسئلة المقلوبه ]

How do mitochondria, smooth ER, and the cytoskeleton all contribute to the contraction of muscle cell?
(Answer page: 69)
Mitochondria supply energy in the form of ATP. The smooth ER helps regulate contraction by the uptake and release of calcium. Microfilaments function as the actual contractile apparatus.



/




4.21- A muscle tear injury would probably involve the rupture of which type of cell junction?
(Answer page: 68)
anchoring junction


وهنا ليش هالنوع [ مافهمت السؤال ] .. :(