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Anarel [89]
3 years ago
6

Help i dont understand please

Biology
2 answers:
Zolol [24]3 years ago
8 0
Graph c is the only graph that shows a growth curve and a carrying capacity so it is graph c
Debora [2.8K]3 years ago
7 0
A. Exponential growth
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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
Why are leaves green?
noname [10]
Leaves are green because of the presence of chlorophyll. The chlorophyll helps the plant in absorbing the lights lights having red and blue wavelengths. It actually reflects the lights with green wavelength. The chlorophyll helps the plants in making food. I hope that this is the answer that has come to your help.
4 0
3 years ago
Meat is not a good source of protein because it does not provide the body with all the essential amino acids.
tankabanditka [31]

Answer: False.

Meat is a good source of protein. There are nine essential amino acids which are required under special conditions like illness.

These are-  Histidine, Leucine, Isoleucine, Valine, Threonine, Methionine, Lysine, Phenylalanine and Tryptophan. They cannot be synthesized by the body and therefore need to be taken from external protein sources.

Since meat contains all the essential amino acids, therefore it is considered as a good source of protein. Hence, the given statement is false.

3 0
3 years ago
Read 2 more answers
All life on earth is made of which<br> element?
ddd [48]

Answer: Hydrogen

Explanation:

Because it is the element that everything is created with it is everywhere. All life has hydrogen in it, our air, SPACE, everything.

3 0
2 years ago
Two objects of five KG and 10 KG respectively, and there 10 M apartment if the distance between them is increased to 20 M what h
olga_2 [115]
As distance between the two objects increases the force of gravity decreases. Hope that helps!
5 0
2 years ago
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