1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
bulgar [2K]
2 years ago
15

The presence of calcium in the sarcoplasm is directly responsible for __________. Multiple choice 1 decreasing the length of the

myosin myofilament energizing the myosin heads degrading the actin binding sites on the myosin the movement of actin towards the M line exposing the binding sites on actin 2. Rigor mortis occurs after death because __________. Multiple choice 2 actin binding sites become permanently blocked so that crossbridge formation cannot occur no calcium is present to bind to the regulatory protein tropomyosin detachment of crossbridges does not occur due to the lack of ATP the power stroke becomes stronger after death the muscle fibers release sodium into the extracellular fluid
Biology
1 answer:
xxMikexx [17]2 years ago
5 0
  • The presence of calcium in the sarcoplasm is directly responsible for exposing the binding sites on actin.
  • Rigor mortis occurs after death because detachment of crossbridges does not occur due to the lack of ATP

<h3>What is Sarcoplasm?</h3>

This is defined as the the cytoplasm of striated muscle cells in living organisms .When calcium is present, the binding sites on actin are exposed.

Rigor mortis occurs after death and involves stiffening of the muscle tissue because  detachment of cross bridges does not occur due to the lack of ATP.

Read more about Rigor mortis here brainly.com/question/25812860

You might be interested in
4. Start in Buffalo; travel 240 KILOMETERS east; then go 45 MILES south Name the
Aliun [14]

Answer:

The city of Buffalo, located on the shores of Lake Erie and the Niagara River, is located in the western region of New York State, a few kilometers from the border with Canada.

If you leave this city heading east about 240 kilometers you will reach the city of Syracuse, also located in the State of New York.

Now, if from Syracuse you decide to travel another 45 miles south, you will arrive to Marathon, New York, a small town located on the banks of the Tioughnioga River.

8 0
3 years ago
Why is cellular respiration called an aerobic process?
astraxan [27]

Answer:

1. cellular respiration called an aerobic process because it requires oxygen

2. products: Carbon dioxide, water, and ATP   reactants:Glucose and oxygen

3.  I don't know

4. I don't know

I hope i helped somewhat :)

7 0
3 years ago
The plasma membrane forms a barrier which is ___________ on the outer and inner surface and _____________ on the interior
Elodia [21]

Answer:

The plasma membrane forms a barrier which is phospholipid bilayer on the outer and inner surface and compartments on the inferior  

5 0
3 years ago
WILL THUMBS UP RIGHT ANSWER!!
NISA [10]
True that should be the answer

5 0
3 years ago
Read 2 more answers
Definition of vascular tissue
bazaltina [42]
<span>
the tissue in higher plants that constitutes the vascular system, consisting of phloem and xylem, by which water and nutrients are conducted throughout the plant.</span>
6 0
3 years ago
Other questions:
  • When you stop, the water should start swirling down in a tornado-shaped funnel.
    11·2 answers
  • I need help ASAP!! Will give brainliest!
    12·2 answers
  • Where are earthquakes and volcanoes most likely to occur
    12·2 answers
  • How do single celled organisms, like paramecium, adapt to living in a hypotonic environment?
    13·1 answer
  • The monetized costs and benefits of flood mitigation strategies are difficult to assign to which of the following?
    15·1 answer
  • What cross will produce the most pink-flowered plant?
    8·1 answer
  • Where are sedimentary rocks formed?
    15·2 answers
  • What is one theory that has been proposed about the formation of the universe
    14·1 answer
  • Why are cells called the “basic building blocks of life?”
    6·1 answer
  • GIVING BRAINLIEST!!!!!!
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!