Once action potential is reached, the gated ion channel open to allow ___ to rush into a neuron
A) sodium ions
B) calcium ions
C) potassium ions
D) ATP

Answers

Answer 1
I think The answer is C

Related Questions

Ecological interactions can be categorized as competition, exploitation, or positive. Describe the types of interactions that fall into these categories, and provide an example of each type of interaction.

Answers

Answer:

Competition is an interaction between organisms or species in which both the organisms or species are harmed. Limited supply of at least one resource used by both can be a factor. This example is if two lions get into a fight and they end up hurting each other.

Exploitation competition occurs when individuals interact indirectly as they compete for common resources, like territory, prey or food. An example of this is when people are farming and they are trying to get the best food available but someone else might have already gotten it.

Commensalism is a positive type of ecological interaction between two species in an ecosystem. In commensalism, the association occurs between members of two different species where one species is benefited the other is neither benefited nor harmed. An example of this is tree frogs who use trees as protection.

Explanation:

A narrow mouth frogs eggs do not hatch into tadpoles instead they hatch directly into tiny frogs what type of habitat would you expect the narrow mouth frog to live? In explain you answer I need help please help it's science

Answers

Answer:

The environment where narrow-mouthed frogs live is very dry. ... Tadpoles usually live in water so this environment would not be beneficial for these frogs.

hope it will help you

What are the two methods that are used to date fossils? Which is more accurate? l

Answers

Answer:

relative dating and radiometric dating. Radiometric dating is the most accurate

Both animals and plants must maintain homeostasis in order to stay alive. Plants excrete
water and oxygen through the stomata (tiny holes in the leaves) as waste products of
photosynthesis, which system in the human body would this be comparable to?
a. Nervous system
b. Circulatory system
c. Reproductive system
d. Excretory system

Answers

Answer:B

Explanation:

Which impact of global warming has the greatest effect on drinking water supplies?
A.melting mountain glaciers
B.rising sea level
C.higher acid levels in the ocean
D.early spring blooming of flowers​

Answers

Global warming is mainly caused by an increase in the temperature of atmosphere. The main impact of global warming has the greatest effect on drinking water supplies is melting mountain glaciers.

Which gas is responsible for global warming?

The gases that leads to greenhouse effect include carbon dioxide, methane, nitrous oxide, and water vapor, and fluorinated gases.

These gases increases the temperature of the atmosphere and results in global warming.

This leads to the melting of mountain glaciers which makes a great reduction in the availability of drinking water.

Thus, the correct option is A.

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Answer:

A

Explanation:

trust

Describe the limiting factors that can affect carrying capacity.

Answers

Answer:  Limiting factors determine carrying capacity. The availability of abiotic factors (such as water, oxygen, and space) and biotic factors (such as food) dictates how many organisms can live in an ecosystem. Carrying capacity is also impacted by the availability of decomposers. Space, food, oxygen, and water are limiting factors. ... Limiting factors determine carrying capacity. The availability of abiotic factors (such as water, oxygen, and space) and biotic factors (such as food) dictates how many organisms can live in an ecosystem.

Explanation:

describe how lactobacillus is important in human intestine???​

Answers

Answer:

This genus of microbes breaks down dietary fibers and phytonutrients (like polyphenols) which have beneficial effects for your health. What's more, Lactobacillus even helps to feed other bacteria in your gut, such as the ones that produce butyrate (which the cells in your gut lining need for energy).

Explanation:

This genus of microbes breaks down dietary fibers and phytonutrients (like polyphenols) which have beneficial effects for your health. What's more, Lactobacillus even helps to feed other bacteria in your gut, such as the ones that produce butyrate (which the cells in your gut lining need for energy).

websites and the little bit i knew helped

In a collosion between two billard balls, the total amount of energy before the collsion is equal to the total energy after the collsion.

true or false?

Answers

The answer is False

Communication between cells is affected if there is an issue with which
two systems

Answers

Explanation:

As I think option B is the correct one.

I AM GIVING OUT BRAINILEST

Answers

Answer:

blue

Explanation:

bobcats eat rabbits

answer:
the rabbit population may decrease

explanation:
the bobcats will eat a lot of those rabbits

Will give brainlest 100 points

Answers

Answer:

the answer is B gamma particle

Answer:B

..............................

PLEASE HELP THIS IS DUE IN 30 MINUTES NO LINKS PLEASE
During a normal synaptic transmission, after the neurotransmitters are released from the post synaptic membrane, what happens to the neurotransmitters?
A) They move into the post synaptic neuron.
B They are broken down by enzymes.

C
They return to the pre-synaptic neuron.

D
Both b and c.

Answers

Answer:B

Explanation:

What is the relationship between institutional racism and interpersonal
racism?
A. Interpersonal racism prevents institutional racism.
B. Institutional racism prevents interpersonal racism.
C. Interpersonal racism causes institutional racism.
D. Institutional racism causes interpersonal racism.

Answers

C. interpersonal racism causes institutional racism

Which resources are renewable and which are non renewable?

a
A renewable resource is a natural resource that is replaceable through a cycle in nature or sustainable practice. These resources can be used over and over or can be replaced in one lifetime (about 100 years or less).
b
A nonrenewable resource is a natural resource that is in limited supply. These resources cannot be readily replaced in one lifetime and may run out if used faster than they can be replenished.
c
sunlight, rocks, water, glass metals, and rocks.
d
All of the above.

NO LINKS PLEASE AND THANK YOU

Answers

D.. they’re all correct I believe.
A. c would be correct but it states rocks twice which makes me think it is a trick question. B is incorrect because not all non renewable resources are naturally occurring.

someone help me please, I’ll mark brainlist or whatever it’s called quick

Answers

The answer is

Limit the overuse and misuse of antibiotics in medicine and agriculture.

So, that the bacteria doesn't develop immunity against antibiotics.

Cells can die or become damaged. Which part of cell theory is used to replace dead or damaged cells?
A. Cells divide to make new cells.
B. Cells multiply by cellular respiration
C. Cells take in new cells through endocytosis. D. Cells grow larger to make up for the lost cells.

Answers

Answer:

A

Explanation:

cells divide by mitosis hope this helps

After the esophagus, which comes next in the alimentary canal?
A. Large intestine
B. Stomach
C. Mouth
D. Small intestine

Answers

Answer:

B. Stomach

Explanation:

In the alimentary canal, the stomach comes next after the esophagus.

Stomach is the correct answer

which organ is central to the body's metabolism of nutrients??
a-) the stomach
b) the kidneys
C) the liver
d) the small intestine

Answers

Answer:

The small intestine

Explanation:

The muscles of the small intestine mix food with digestive juices from the pancreas, liver, and intestine and push the mixture forward to continue the digestion process. The walls of the small intestine absorb water and digested nutrients into the bloodstream.

the liver

explanation: The liver is a central player in the control of organismal metabolic homeostasis in both normal physiology and metabolic disease. This organ secretes a wide variety of types of signals that affect metabolism in distant organs in myriad ways

5
Select the correct answer.
A nurse aide is caring for a client who has a viral infection. The client is the host for the pathogen (virus). What should the nurse alde do to break
this link in the chain of infection?
O A Quarantine the client with others who are hosts for the pathogen.
ОВ.
Glve the client the prescribed medication to eliminate the virus.
OC. Encourage the client to wear gloves before touching any surface.
OD Instruct the client to perform hand hygiene before and after meals.
Reset
Next

Answers

Answer:

may be no.c is the answer am I right

The data below was collected in the field while studying the effect of pH on the growth of
duckweed, an aquatic plant. The data shows that duckweed has optimum growth at what
pH?
Field Data
Pond
pH of Pond
Water
Number of
Duckweed
Plants
A
6
150
B
12
300
с
8
500
D
4
80

Answers

Answer: Answer is c 8 500

Explanation: Find the growth, in this case it would be 4-12. So you want to find the difference between them by subtracting the two values. 12-4=8

cuales son las formas de las células

Answers

Respuesta:

Por lo general, las células son redondas, alargadas o esféricas. También hay algunas celdas que son largas y puntiagudas en ambos extremos. Estas células presentan forma de huso. En algunos casos, las celdas son muy largas.

18. Brayden is trying to figure out how petal shape is determined in two different roses. In the pink
rose, the copies of the gene are the same as each other. In the yellow rose, the copies of the gene are
different from each other. How does this affect how many types of proteins there are in each petal
cell?
a
The pink rose has one type of protein for the petal shape feature. The yellow rose has two
types of protein for the petal shape feature.
b
The pink rose has one type of protein for the petal shape feature. The yellow rose has one
type of protein for the petal shape feature.
с
The pink rose has two types of protein for the petal shape feature. The yellow rose has two
types of protein for the petal shape feature.
d
It is impossible to say anything about proteins from the given information.

Answers

Answer:

c

Explanation:

they would have diffrent gene versions and protines to get their colors

In the pink rose, the copies of the gene are the same as each other, while the yellow rose has different copies, so it is concluded that the pink rose has one type of protein for the petal shape feature, while the yellow rose has two types of protein for the petal shape feature, as present in Option a.

What is the petal shape dependent on?

Generally, the characters are dependent on the genes that are present in the DNA; either the gene variants, such as the alleles, show pure dominance or they combine to produce the effect, and here the pink rose petal has the same alleles so they will express the single protein while the yellow has different alleles so it has the chance of the two proteins.

Hence, in the pink rose, the copies of the gene are the same as each other, while the yellow rose has different copies, so it is concluded that the pink rose has one type of protein for the petal shape feature, while the yellow rose has two types of protein for the petal shape feature, as present in Option a.

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Plant roots have extensions called root hairs. These root hairs are important in the homeostasis of the plan

Answers

Answer: root hairs increase the surface area of the roots for nutrient and water absorption

Explanation:

The National Wildlife Refuge supports _______ wildlife refuges.
a.
150
b.
37
c.
550
d.
227


Please select the best answer from the choices provided

A
B
C
D

Answers

Answer:

answer b is the correct of this question

Sea turtles, mosquitoes, and frogs all show a

Answers

c I think it is c have a good dsy

How is Anaphase I in meiosis different than in mitosis
A. Chromosomes are not pulled to the poles.

B. Nothing, they are the same

C. Whole chromosomes are moved to the poles

D. The chromosomes are split at the centromeres

Answers

Answer: C

Explanation: In anaphase 1 in meiosis, homologous pairs are separated but sister chromatids stay joined together. In anaphase 1 of mitosis the sister chromatids do separate.

Answer:

C is your answer

Explanation:

What is the reason water has so many special properties?

Answers

Answer:  Water has many unusual properties

Explanation: Water has many unusual properties because of its polar covalent bonds. Oxygen has a larger electronegativity than hydrogen, so the electron pairs are pulled in closer to the oxygen atom, giving it a partial negative charge. Subsequently, both of the hydrogen atoms take on a partial positive charge.

What do I put in the squares?

Answers

Explanation:

I wrote out an explanation but it said "Rude! We don't use such words here. Please change it". I honestly don't know what word i couldn't use but I just could not post it. I tried changing any words that may have caused it but it did not fix the issue. So here are the answers only.

Describe the four sources of evidence for evolution upon which Darwin based his ideas in common descent.

Answers

Answer:

- Fossil record

- Geography

- Embryology

- Comparative anatomy

Explanation:

The four types of evidence for evolution upon which Darwin based his ideas were:

1-The geographic distribution of related species. The theory of evolution states that species evolve in geographic areas that were colonized by their ancestors.

2-The fossil record shows successions of organisms through time

3-Embryology: animal embryos in related species are very similar in the early stages of development but differentiate as they grow, thereby suggesting these species evolved from a common ancestor.

4-Comparative anatomy demonstrates physical and structural similarities between species. The species share anatomical similarities because they descend from a common ancestor (i.e., presence of homologies).

Evolution by Darwin was based on the development of the species from the ancestors.  The evidence for evolution are fossils, geography, anatomy, and embryology.

What are the pieces of evidence of evolution?

The Darwin theory was based on the evolution of the species from their ancestors. The time period has resulted in the change in the features that are based on natural selection.

The evidence for evolution proposed by Darwin is fossil records, comparative anatomy between the species, geographical changes in the species relation, and the embryonic similarities with the evolution.

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Match these organisms to the terms that best describe them.

diatoms

nitrogen fixers

jellyfish

zooplankton

whales

nekton

cyanobacteria

phytoplankton

Answers

Answer:

nitrogen fixers------cyanobacteria  

jellyfish--------------- nekton

zooplankton ----- phytoplankton

whales----------- nekton  

Explanation:

Diatoms are single-celled algae that live in houses made of glass. They are the only organism on the planet with cell walls composed of transparent, opaline silica.  Cyanobacteria is also called nitrogen fixers because cyanobacteria fixes atmospheric nitrogen in the soil in the available forms of nitrogen to the plants. Whales  and jellyfish are nekton because they move in the water independently.   Zooplankton feed on phytoplankton for gaining energy and survival.

Answer:

nitrogen fixers------cyanobacteria  

jellyfish--------------- phytoplankton

zooplankton ----- diatoms

whales----------- nekton  

Explanation:

im pretty sure that is right

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Please help!! thank you so much!! To those who can make a poem about math, please help me with this. I really need it right now but please answer it correctly. :(Directions: Write a poem using the following words in the box.FunctionRangeRelationVertical LineImaginaryDomainVariablenot FunctionThank you in advance! Which is the correct Lewis dot structure of NH2?H-N-HH-N-HA.B.N-H-HH-N-HC.D.-H-N-HE. . C COD D what is the role of the architects in modern development the cylindrical part of an architectural column has a height of 320 cm and a diameter of 30 cm. find the volume of the cyndrical part of the coulmn . use 3.14 for and round your answer to the nearest cubic centimeter if needed. 1. AIDS is caused by a virus called HIV. True or false Classify the triangle by its sides and angles. calculate the lateral area and volume of a truncated cone of radii 10cm and 12cm and a slant height of 15cm A sphere of mass m1 is attached to an ideal spring, then pulled downward from its equilibrium position and released from rest. A sphere of mass m2 is hung from a massless string of length L, pulled to the right from its equilibrium position, and released from rest. If both spheres have the same period of oscillation, then what is the spring constant of the spring attached to m1 PLEASE HELP FAST!!!!!!!!!! i need asnwers quick To find the whole value of X, you should I will mark you :) Prior to the eruption of revolutions in Latin America, which colony had a successful revolt led byslaves?a. Brazilb. HaitiC. Colombiad. Jamaica Which of the following is a statement of Christian beliefs A)The Dead Sea ScrollsB)The Apostle's CreedC)The Hail MaryD)The Lord's Prayer help worth 50 points Find the maximum value of y = -x^2 + 6x + 5 LO bisects &NLM, LM= 22, NO = 6, and LN= 14. What is the approximate value of x?x= 3.8x=9.4x=51.3x= 73.3 PLZ HELP!!! John Doe has been out of prison for 4 years after a second felony conviction and now wants to registerto vote. Can Mr. Doe vote in Arizona?a. No, because he has two feloniesb. No, because he has not been out for the 5 vear limitc. No, because a judge must first restores his rightsd. No, because he might vote against the judge from his case a dog is leashed 48 feet to the corner of a house.howmuch running area does the dog have? Plz help this is due today NO LINKS OR GROSS PICTURES OR I Will REPORT And please show work 1. Which point is located at (2,0)?(1 point)1 242DOA