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Leona [35]
3 years ago
14

Can youuuuu help me plsss

Biology
2 answers:
Alex_Xolod [135]3 years ago
8 0

Answer:C

Explanation:If I’m wrong I’m sorry,but I’m pretty sure that is the answer because I already learned about this.

Yanka [14]3 years ago
4 0
D, chaotic and gruesome.
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Cross bridge formation between myosin heads and actin molecules is caused by the elevation of calcium ion concentration in the c
almond37 [142]

Answer:

sarcoplasmic reticulum deteriorates and ATP production is stopped

Explanation:

Rigor mortis is the third stage of death characterized by stiffening of joints and muscles in body. The stiffening occurs because muscles are not able to return to the relaxed state. There are two reasons for rigor mortis, depletion of ATP and increase in calcium concentration in cytosol. Due to these factors the actin-myosin crossbridge is not able to break and the muscles remain in contracted state.

Sarcoplasmic reticulum deteriorates and calcium is released into the cytosol. Sarcolemma ( covering of muscle fiber ) also breaks down releasing extra calcium into the cytosol. Calcium is responsible for formation of actin-myosin cross bridge and when its concentration increases the bridge is formed continuously leading to stiffening of muscles and joints.  

3 0
3 years ago
Identify the subatomic particle that is NOT contained in the nucleus
yan [13]
The subatomic particles of protons and neutrons are found in the nucleus of an atom. Protons are particles with a positive charge, while neutrons have no charge. Electrons, which have a negative charge, are particles that can found orbiting outside the nucleus of an atom.
5 0
3 years ago
What are three possible future options for drinking water in areas that are polluted?
Ostrovityanka [42]
Waste water
oil pollution
river dumping
marine dumping
6 0
3 years ago
Read 2 more answers
Which of the following statement is true of a semi-conservative model of replication?
Ratling [72]
Answer - A
Semi-conservative model of replication involves the replication of DNA in all the familiar cells in such a way that each newly synthesized daughter cell contains a double helix with one new strand and one old strand.

4 0
3 years ago
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The drug vinblastine disrupts microtubule polymerization. How would adding vinblastine to a cell affect the constitutive secreto
Kazeer [188]

Answer:

Transport vesicles will not be brought to either the Golgi apparatus or the plasma membrane.

Explanation:

Microtubules forms part of the structure of the cytoskeleton. It is a polymer of tubulins.

Apart from maintaining the cell structure, cytoskeleton plays a role in transportation in a cell.

A Constructive secretory pathway is an exocytosis process found in all eukaryotic cells, in which transport vesicles destined for the plasma membrane leave the trans-Golgi network in a steady stream

A disruption on microtubules will lead to a change in structure of the cytoplasm. It will not be able to perform its function therefore transport vesicles will not be brought to either the plasma membrane or the golgi apparatus.

8 0
3 years ago
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