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
AlexFokin [52]
3 years ago
14

The contraction of skeletal muscles is based on ________.

Biology
1 answer:
nadya68 [22]3 years ago
3 0

Answer:

Nerve impulse

Explanation:

A nerve impulse is transmitted through the synaptic cleft by acetylcholine. When an impulse reaches the synaptic knob, it stimulates the vesicles to move towards the presynaptic membrane releasing the acetylcholine. The transmitter substance makes the membrane permeable. An action potential is then formed along the neuron.

You might be interested in
You are given a sample of an unknown pure substance. To identify this substance, identify a property you could measure. Explain
Klio2033 [76]
To make sure it’s even
4 0
3 years ago
Read 2 more answers
CD8 helps with recognition of which of the following molecules on the surface of a cell?
Shalnov [3]

Answer:

MHCI

Explanation:

Major histocompatibility complex I (MHCI) is present on the nucleated cells of the body. Endogenous pathway represents the pathway of MHC class I molecules.

MHCI display peptide fragment of proteins to the cytotoxic T cells with the help of CD8 ( Cluster of differentiation). CD8 binds with the MHCI and expressed on the surface of cytotoxic T cells.

Thus, the correct answer is option (D).

7 0
4 years ago
How many calories can i eat without gaining weight?
loris [4]
I think that a<span>n average woman needs to eat about 2000 calories per day to maintain, and 1500 calories to lose one pound of weight per week. An average man needs 2500 calories to maintain, and 2000 to lose one pound of weight per week</span>
3 0
3 years ago
Heather and Haley are modeling the movement of a wave using a rope. When Heather gives one end of the rope a quick up and down s
Alisiya [41]

Answer:

The answer is y

Explanation:

7 0
4 years ago
According to the theory of plate tectonics, which is one feature that plates carry?
Phoenix [80]

Answer:

seafloor

Explanation:

  • A plate, often described as a lithospheric plate, with seafloor, continents and mountains on top of it.
  • The earth is divided into three layers based on their chemical composition. Undoubtedly, there is a component called the lithosphere.
  • The lithosphere consists of a crust and a portion of a solid upper mantle.
  • Below the lithosphere is the asthenosphere.
  • There are two types of crusts: the continental crust and the oceanic crust.
  • Where there is a seabed there is a sea crust.
  • Mountains are also found in oceanic and continental crusts.
  • The intercontinental layer corresponds to the continents.
8 0
4 years ago
Read 2 more answers
Other questions:
  • Which of the following accurately describes a characteristic of fungi?
    7·1 answer
  • How does therapy help in the treatment of depression
    8·1 answer
  • Why do shallow estuary waters create unique habitats for organisms living here?
    12·2 answers
  • What is basis for all scientific explanations
    12·1 answer
  • 8. A student used a microscope to observe Elodea submerged in a solution. The student observed the cell cytoplasm pull away from
    6·1 answer
  • What definition goes with what cell?
    15·1 answer
  • Analyze the diagram below. What process is shown?
    11·1 answer
  • How would the transport abilities of your body's cells be affected if you did not eat properly?
    8·1 answer
  • Albinism is caused by a recessive mutation. If two albino mice mate and produce offspring with normal pigmentation, what could y
    11·1 answer
  • What is the BEST definition of deciduous?
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!