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
emmainna [20.7K]
3 years ago
9

What is the role of calcium in muscle contractions?

Biology
1 answer:
Firdavs [7]3 years ago
5 0

Answer:

Inside the muscle, calcium facilitates the interaction between actin and myosin during contractions (2,6). ... Calcium binds to the troponin, causing a position change in tropomyosin, exposing the actin sites that myosin will attach to for a muscle contraction (5,6). Blood Clotting. Without calcium blood would not clot.

Explanation:

You might be interested in
How sexual reproduction increases genetic diversity in many species of plants and animals
Dafna11 [192]




Sexual reproduction is a process involving the fusion of two gametes to


Gametes are special reproductive cells produced by meiosis. It produces genetically dissimilar offspring. Offspring may inherit beneficial qualities from both parents and there is a greater genetic variation in the offspring, leading to species that are better adapted to changes in the environment.



7 0
3 years ago
HELP HELP MY QUIZ ENDS IN 4 MINUTES * WILL MARK BRAINLIEST*
Nastasia [14]

they both need other things to survive. the grape vine needs water sunlight and air. mosquitos need other living organisms

3 0
3 years ago
"in the _____________ context, patients do not know if they are going to die because the doctor and staff deliberately keep the
Lerok [7]
<span>In the closed awareness context, patients do not know if they are going to die because the doctor and staff deliberately keep the information from them."</span>
4 0
4 years ago
An interaction in which an animal feeds on plants is called
lozanna [386]
Its called a herbivore
7 0
3 years ago
Natural selection ________. Question 2 options: A) results in evolutionary adaptation B) is a very rare phenomenon C) does not a
Mnenie [13.5K]

Answer:

A) results in evolutionary adaptation

Explanation:

Natural selection is the process in which organism with specific traits are able to survive than others. Natural selection allows the fittest to survive while eliminating the others. It prepares the species for environmental changes by resulting in evolutionary adaptation.

Evolutionary adaptation occurs when species goes through certain processes (hereditary, habits, Physical structures) to become fit in environment. These changes help the organism to evolve to adopt the changing environmental conditions.

Example; Sweating in human.

7 0
4 years ago
Other questions:
  • In two or more complete sentences describe how a dam placed in a river can act as both a constructive and destructive force.
    14·2 answers
  • HELP I need a lab report for edginuity, I will give brainiest. It is on elecrro magnets and magnetic fields if you have already
    8·1 answer
  • Examine the diagram of the food web described in the passage. Using arrows, how would you label the direction of energy flow thr
    14·1 answer
  • Which substance is a good natural resource because it is used by plants and in fertilizer, and sometimes can be used to keep thi
    14·2 answers
  • Which of the following parent combinations could result in a type o blooded child?​
    13·2 answers
  • What keeps all of the planets in the solar system from leaving their orbits around
    10·2 answers
  • The TSW (Tsunami Warning System) is located in the Pacific Ocean and 26 different
    12·1 answer
  • 3. Human skeletal remains were located along a hiking trail in northern Wisconsin. Law
    13·1 answer
  • Question 20 of 25
    10·1 answer
  • Look at the picture<br>​
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!