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
Goryan [66]
3 years ago
8

Which of the following answers describes the most direct consequence of tropomyosin binding to F-actin in muscle cells?

Biology
1 answer:
svetlana [45]3 years ago
7 0

Answer:

\rMyosin binding to F-actin is blocked

Explanation:

Tropomyosin is a protein involved in skeletal muscle contraction and that wraps around actin and prevents myosin from grabbing it. This prevents muscle contractions until the proper signal arrives. When the nervous system tells the muscle cell to contract, calcium is released.

You might be interested in
Are particles located within an atom's nucleus.
Naddik [55]
Electrons are the smallest of the three particles that make up atoms. Electrons are found in shells or orbitals that surround the nucleus of an atom. Protons and neutrons are found in the nucleus. They group together in the center of the atom.
3 0
3 years ago
The barn owl is nocturnal. Describe the biological rhythm of the owl and discuss how extreme alterations in the number of daylig
IceJOKER [234]
<h2>History of Owl</h2>

Explanation:

  • Owls are found in various territories, <em>for example, deserts, woodlands, prairies and even the Arctic tundra</em>.
  • They home in <em>trees, in gaps in the ground, in horse shelters, and in caverns.</em> And keeping in mind that numerous different winged creatures relocate to hotter spots throughout the winter, most owls don't. They live in a similar spot throughout the entire year.  
  • Circadian beat length varieties such as <em>brisk riser and night owls. </em>
  • <em>Circadian rhythms are cyclic natural changes</em> including the physical, mental, and conduct fucntioning of a life form, following a pattern of <em>around 24-25 hours</em>.
  • Their primary controller is <em>light and dimness in the earth.  </em>
  • <em>Night owls</em> are progressively smart and imaginative and bound to land lucrative positions than warblers.
  • They have a spot to call their own domain and where they can conceal during the day from predators.
  • They likewise approach loads of various nourishment sources in light of the other living animals in the woodland.
5 0
3 years ago
Read 2 more answers
Select the correct answer from each drop-down menu. Sodium and potassium ions are essential for muscle contractions of the heart
____ [38]

Answer:

1) By breaking of ATP to ADP

2) The sodium and potassium ions are transported using active transport process!

Explanation:

In cell, the movement of ions across the membrane at the expense of energy is known as Active Transport. The energy is used in the form of ATP(Adenosine Triphosphate) that gets converted to ADP(Adenosine diphosphate) during transport. It takes the ions from high concentration to low concentration. ADP contains one less phosphate group that ATP, as their name indicates and plays a prime role in the flow of energy to the cells.

5 0
3 years ago
Read 2 more answers
A respiratory rate of less than ________ and greater than ________ in cases of trauma are criteria for immediate transportation
vovikov84 [41]

The question is incomplete as it does not have the options which are:

A. 8; 32

B. 10; 29

C. 12; 20

D. 5; 45

Answer:

The correct answer will be option-B

Explanation:

Trauma is the experience caused by the life-threatening events or events which help develop the psychological distress conditions.

The trauma can cause changes in the physiologic and psychological responses in humans. The CDC guidelines have stated criterion for immediate transportation of the person to the trauma centre in which one of the criteria is that if a person has the respiratory rate of less than 10 and greater than 29 will be transported to the trauma centre immediately.

Thus, Option-B is the correct answer.

8 0
3 years ago
What kingdom did the first organism on Earth belong to?
Mrac [35]

archaebacteria

Explanation:

The first organism on earth belonged to the archaebacteria kingdom. They were the first group of organisms that colonized the surface of the earth.

  • They are of three major types methanogens, halophilic and thermoacedophilic.
  • The first archaebacteria that evolved separately from bacteria and blue-green algae.
  • They formed billion of year of ago.
  • They lacked the characteristics of a true cell and they are known to be prokaryotes.

Learn more:

Kingdom of life brainly.com/question/5186929

#learnwithBrainly

7 0
3 years ago
Other questions:
  • Recall that in the big Yellowstone fires, lodgepole pines burned and then grew back within several decades.
    9·1 answer
  • Sections of active fault lines that haven't experienced a significant earthquake for a long time, even though adjacent sections
    15·1 answer
  • Nucleus acids offer variability because they contain alternate forms of genes called
    6·1 answer
  • Which primate groups is most closely related to humans?
    11·1 answer
  • Examples of thing that have prokaryotic cells
    6·2 answers
  • Basis of immune system?​
    6·2 answers
  • Which statement describes a feedback mechanism involving the human pancreas?
    13·1 answer
  • How do I analyse this graph
    11·1 answer
  • A segment of a DNA molecule has the base sequence ATGAAC. Write a shorthand structure for this segment and for its complementary
    5·1 answer
  • If all cells contain the same DNA, how does the function and appearance of cells differ?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!