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
Vesna [10]
3 years ago
9

When is the generation of an action potential impossible no matter the strength of the stimulus?

Biology
2 answers:
ANTONII [103]3 years ago
7 0
The right answer is <span>Refractory period.

At the moment when the action potential is emitted, the fiber being depolarized, it is impossible to depolarize it again. It is, therefore, necessary to wait until the membrane potential returns to a value below the critical threshold in order to be able to excite it again. We are thus led to distinguish two periods that characterize its excitability.
An absolute refractory period: during which any stimulation, even supraliminal, is ineffective since the fiber is already depolarized.
A relative refractory period: during which a second action potential can be omitted provided that the depolarization produced by the excitation reaches the critical threshold, which implies that it is more important since the value of the resting potential has not been restored yet.</span>
blondinia [14]3 years ago
5 0
The generation which an action potential impossible, no matter the strength of the stimulus is the refractory period.

The refractory period is the recovery period after orgasm during the physiological impossible of a man to have other orgasms. It begins immediately after ejaculation. 
Women do not experience a refractory period and they can experience additional orgasm soon after the first one. Refractory period varies widely among individuals where most men cannot maintain an erection during that time.
The increase of hormone oxytocin during ejaculation is responsible for men during the refractory period.
You might be interested in
The human heart is an organ that is made up of cells. Not all of the cells that make up the heart are identical, however. What n
slava [35]

Answer:

The correct answer would be D)  tissue.

In biology, the level of organisation from simplest to complex level can be summarized as:

Organelles → cells → tissues → organs → organ systems → organisms → populations →communities → ecosystem → biosphere.

It is clear that tissue is organization level that exists between cells and organs.

When similar cells are assembled together to perform specific function, the assembly or this organization is said to be the tissue.

There can be different types of tissues such as muscle tissue, nerve tissue et cetera.

Similarly, tissues arrange themselves to carry out specific function in the form of organ.

For example, heart is made up of cardiac tissue.

4 0
3 years ago
Read 2 more answers
Why is the alpine tundra important to protect
statuscvo [17]

Answer: the tundra is important to protect is that it serves as a habitat for migratory populations, like waterfowl, shorebirds, caribou and several bear species. It is home to endangered animals such as the Arctic Fox, Polar Bear, Grizzly Bear, Caribou, and Musk Ox.

Explanation:

6 0
3 years ago
Read 2 more answers
Which of the following is NOT
BARSIC [14]

Answer:

D. The bonds of a lipid molecule can only be broken by dissolving them in water

Explanation:

A Lipid can not be dissolved in a water solvent.

3 0
3 years ago
Read 2 more answers
Why is it important for the cell membrane to allow materials to enter and leave the cell
umka21 [38]
<span>Cell membrane needs to allow and exit the materials that enter the cell because the cell needs nutrients and these nutrients are converted into molecules that aid in many cellular activities like repair, divide and form structures and biomolecules.
Also to excrete wastes and other harmful materials for the cell.
This continues because the cell wants to attain homeostasis.

Homeostasis is the state where the internal and external part of the body maintains and establishes balance and equilibrium. This is achieved through cellular processes in the body, the integumentary system regulates the body temperature, the hypothalamus –hunger and thirst of the individual and other interrelated organ systems that make the body healthy and in the state of equilibrium. Now, when diseases or disorders appear they disrupt the organ systems in the body thus, causing imbalance state –high fever, inability to focus and etc.<span>
</span></span>
5 0
3 years ago
PLEASE HELP ASAP i need this answer and it would really help!
Maksim231197 [3]

Answer: D

Explanation:

The oven probably isn’t cooking right because the temperature strength is not as strong as the average oven.

5 0
2 years ago
Other questions:
  • A neonate is born with exstrophy of the bladder, and the parents are upset. they are told that corrective surgery will be perfor
    15·1 answer
  • The coniferous trees of the boreal forest are
    5·1 answer
  • _____, which include lobsters and crabs, have _____ legs and, in the ocean, fill many of the ecological roles filled by insects
    11·1 answer
  • What is an element?
    13·1 answer
  • How does nitrogen get into the air
    6·1 answer
  • What is antigen?What does it include?What is its function?
    7·1 answer
  • Are cell membranes in plant or animals or both?
    10·1 answer
  • In your own words, explain what happens in the water cycle
    8·2 answers
  • Interesting biology project topic ​
    15·1 answer
  • When animals move into and out of an area during normal cycles, it is
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!