When a stimulus reaches the threshold..........in the plasma membrane open.

Sodium bannel

led ne channel

Potassium channel

Calsam channel


Answer and I will give you brainiliest

Answers

Answer 1

Answer:

Sodium channel

my answer


Related Questions

3. What is this called?
Please I NEED TO KNOW

Answers

Answer:

wavelength i think

Explanation:

wavelength!! hope it helped

Which evidence supports the big bang theory?

Planetesimals form in debris disks.
Most galaxies are moving toward us.
Uniform background radiation is detected in every direction.
Galaxies spin faster than they should based on visible matter.

Answers

Answer:

Umm im a Christian and dont believe in the big bang but i do like to help people but the best one is the Radiation is detected in every direction due to the discovery in the 1960s of cosmic microwave background radiation.

Explanation:

Answer: C.Uniform background radiation is detected in   every directionEDGE 2021   Verified

Which of the following is NOT involved in photosynthesis or cellular respiration?
a
cytokinins
b
chlorophyll
c
carbon dioxide
d
water

Answers

Answer:

Your answer is cytokinins.

Explanation:

What might a doctor give to someone who is infected with a bacterial disease such as Gonorrhoea?

a.) An Antibiotic
b) Antiviral Medication
c.) An Antiseptic d.)Antifungal Medication​

Answers

Answer:

B: Antibiotics

Explanation:

Antivirals treat viruses, antifungals treat fungi, and OTC treatments are merely symptomatic treatment. Antibiotics typically dissolve the cell wall of bacteria meaning they explode, so they actually kill the bacteria.

How do plant and animal cells differ in relation to the need for energy and source of energy ?

Answers

Answer:

the plant cell needs the sun and water to keep the cells alive and the animal cell needs food and water also the animal cell goes through a lot of dead cells during the day so it is harder on the animal

Explanation:

In animal cells, the mitochondria produces the majority of the cells energy from food. Plant cells use sunlight as their energy source; the sunlight must be converted into energy in a process called photosynthesis. Chloroplasts are perform this function.
brainlist please

Why are nonnative species a threat to biodiversity?

They often use up resources that other organisms need.
They are not able to successfully breed in the wild.
They release pollution into many environments.
They easily contract and spread diseases to other organisms.

Answers

Answer:

A

Explanation:

They often use up resources that other organisms need.

The reason of nonnative species a threat to biodiversity is because of using resources that other organisms need.

Reason why nonnative species a threat to biodiversity:It leads to various kinds of diseases. It acted like predators or parasites. It acted like a competitor or rivalry. It should be hybridizing with local species.

Hence, The reason of nonnative species a threat to biodiversity is because of using resources that other organisms need.

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Evolution is change in a population over time and includes the gene pools of that population. How does biogeographic
isolation allow for the change of gene pools over time?

Answers

bio-geographic isolation affects the random changes that take place within gene pools
The bio-geographic isolation of the species takes place when the geographical barrier work as a distinguishing agent. It takes place when the group of animals, plants and other creatures are not allowed to mate with each other.
The mixing of there genes within the same species is separated by the geographical barrier.
The barrier allows the mating of the species in a different way as compared to the previous one.

Help pls! Give brainlest whoever get it right first

Answers

Answer:

complete?

Explanation:

because it has all the necessary/important parts since it's a smaller version of its parents?

You have discovered a new organism. It only has one cell and was found in the ocean floor, at a vent of boiling hot water. The organism has a cell wall but no nucleus. Explain how you would classify this organism.

Answers

Answer:

The organism would be classified as a prokaryote. The reason for this, is because it's a simple organism that lacks a nucleus, and is unicellular. (hope that helps)

You would have to classify this organism in the category of a prokaryote. This is because a prokaryote has a cell wall that is made up of peptidoglycan while they lack a well-defined nucleus.

What is an Organism?

An organism may be defined as a type of living thing that is typically made up of one or more cells depending on its structural identity and function.

Prokaryotes are simple types of organisms that lack complex genome organization. Such types of organisms have a cell wall, flagella, etc. but do not have a well-defined nucleus and other membrane-bound cell organelles.

Prokaryotic organisms have the tendency to survive on the ocean floor where the temperature of the surrounding water is of utmost high.

Therefore, you would have to classify this organism in the category of a prokaryote. This is because a prokaryote has a cell wall that is made up of peptidoglycan while they lack a well-defined nucleus.

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Help...ill give 50 POINTS and BRAINLIEST

Selective breeding programs, such as those that produce throughbreds, and captive breeding programs, such as those used to increase the takhi population, have different outcomes. Which statement both describes an outcome of one type of breeding program and is supported by the information about the takhi?

Select one:
A. Long-term slective breeding for specialized traits produces high-quality genes that improve a species’s changes of continued survival.
B. The takhi captive breeding program has demonstrated that populations with genetic diversity have a greater likelihood that some individuals will have traits that favor survival.
C. The takhi captive breeding program has proven that only a few individuals are necessary to produce a population with traits that ensure survival.
D. Long-term selective breeding for specialized traits can make it less likely that individuals will express desired traits.

Answers

Several tests have been evaluated in horses for quantifying insulin dysregulation to support a diagnosis of equine metabolic syndrome. Comparing the performance of these tests in the same horses will provide clarification of their accuracy in the diagnosis of equine insulin dysregulation. The aim of this study was to evaluate the agreement between basal serum insulin concentrations (BIC), the oral sugar test (OST), the combined glucose-insulin test (CGIT), and the frequently sampled insulin-modified intravenous glucose tolerance test (FSIGTT). Twelve healthy, light-breed horses. Randomized, prospective study. Each of the above tests was performed on 12 horses. Minimal model analysis of the FSIGTT was considered the reference standard and classified 7 horses as insulin resistant (IR) and 5 as insulin sensitive (IS). In contrast, BIC and OST assessment using conventional cut-off values classified all horses as IS. Kappa coefficients, measuring agreement among BIC, OST, CGIT, and FSIGTT were poor to fair. Sensitivity of the CGIT (positive phase duration of the glucose curve >45 minutes) was 85.7% and specificity was 40%, whereas CGIT ([insulin]45 >100 μIU/mL) sensitivity and specificity were 28.5% and 100%, respectively. Area under the glucose curve (AUCg0-120 ) was significantly correlated among the OST, CGIT, and FSIGTT, but Bland-Altman method and Lin's concordance coefficient showed a lack of agreement. Current criteria for diagnosis of insulin resistance using BIC and the OST are highly specific but lack sensitivity. The CGIT displayed better sensitivity and specificity, but modifications may be necessary to improve agreement with minimal model analysis. Copyright © 2016 The Authors. Journal of Veterinary Internal Medicine published by Wiley Periodicals, Inc. on behalf of the American College of Veterinary Internal Medicine.

Classification of organisms

Answers

Answer:  It is also known as Metazoa.  

Monera − It comprises unicellular organisms, e.g. bacteria.

Protista − Similar to monera (unicellular), but more developed and complex. It contains nucleus.

Plantae − All plants from smallest (such as algae) to the largest (such as Pine, Eucalyptus trees, etc.) are studied...

Fungi − It is a group of eukaryotic organisms that comprises...

Which of the following would show the Dominant Genotype? (Choose all that apply)

Answers

Answer:

all

Explanation:

Which energy system can provide an unlimited amount of ATP

Answers

Answer:

aerobic respiration

Explanation:

What trophic level is a Rhinoceros hornbill?

Answers

Answer: I don’t know I need points I’m sorry

Explanation:

Answer: Level 3 or Secondary Consumers

Explanation: Good luck! :D

(please hurry!!)
Which name best describes the process of gas exchange?

A) Oxygen diffuses into the blood at the site of the heart, and carbon dioxide diffuses into the blood at the site of the alveoli.

B) Carbon dioxide diffuses into the blood at the site of the heart, and oxygen diffuses into the blood at the site of the tissues.

C) Oxygen diffuses into the blood at the site of the alveoli, and carbon dioxide diffuses into the blood at the site of the tissue.

D) Carbon dioxide diffuses into the blood at the site of the alveoli, ad oxygen diffuses into the blood at the site of the tissue.

Answers

The best answer here would be C.

Answer:

its c

Explanation:

yw

Investigation Why are cells so small?

Answers

Answer:

they build up over time making its shape

Explanation:

What is the type of plate boundary where two plates move together, causing one of the slabs of lithosphere to descend into the mantle beneath an overriding plate?

Answers

Answer:

Convergent

transform slides and divergent moves away from each other.

Answer:

Convergent boundaries (process is called subduction)

which hypothesis is false?


Hypothesis #1 If the mass of an object increases, then its kinetic energy will increase proportionally because mass and kinetic energy have a linear relationship when graphed.


Hypothesis #2 If the speed of an object increases, then its kinetic energy will increase proportionally because speed and kinetic energy have a linear relationship when graphed

Answers

Answer:

#2

Explanation:

I don't really think either of them are false though. They're both technically accurate but I believe it's #2

56. Students in an eighth grade science class are investigating different cells under a microscope,
as shown by the three microscope drawings below.
What part of the cell theory is best illustrated by these three slides?
O All organisms are composed of cells.
All organisms are composed of a single cell.
O All organisms are composed of more than one cell.
O All organisms come from pre-existing cells that divide.

Answers

All organisms come from pre-existing cells that divide is the right answer

All organisms come from pre-existing cells that divide.

What is Microscope?

Microscope: a device that magnifies small objects, giving the user a close-up view of minuscule structures at a scale suitable for observation and analysis.

Even though optical microscopes are the focus of this article, an image can also be magnified by a variety of different wave types, such as acoustic, X-ray, or electron beams, and is then captured using direct or digital imaging, or a combination of these techniques.

The magnifying power of a microscope is a dimensionless ratio that expresses how often the thing under examination seems to be magnified.

Therefore, All organisms come from pre-existing cells that divide.

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PLZ DUE TODAY HELP GIVING BRAINLIEST!!! What substances does a cell need to expel to maintain homeostasis? Select ALL that apply
food
oxygen
wastes
water

Answers

Answer: water, and oxygen

Explanation: Homeostasis depends on maintaining correct fluid levels within the cell and on exchanging useable materials, such as oxygen, for waste products, such as carbon dioxide. Plasma membranes allow water, oxygen and carbon dioxide to pass through by osmosis, or passive diffusion.

Which statement correctly describes the relationship between air temperature and air pressure?
1. Warm air rises, creating an area of low pressure.
2. Cool air sinks, creating an area of low pressure.
3. Warm air sinks, creating an area of low pressure
4. Cool air rises creating an area of low pressure.

Answers

Answer:

jayfeather friend me

Explanation:

Temperature refers to how warm or cold air is, and the density of the air is how many molecules are packed into a certain space of air. Air pressure is influenced by temperature because, as the air is warmed, the molecules start moving around more, so they bump into each other more often and create more pressure.

(HELP ASAP I'LL GIVE YOU BRAINLIEST)
Toby rarely backs down from challenges, rather he embraces them which demonstrates a quality of an entrepreneur.

A.
True

B.
False

Answers

Answer:

A

Explanation:

This is true

what do we call chromoses 1 through 22 in humans

Answers

Answer:

I believe it is autosomes

Somatic cells
Explanation:
Somatic cells are all pairs of cells in the human body excluding the sex cells. The sex cells are called gametes.

In addition to all being autotrophs, what important feature do all three plants share?
A)
seeds
B)
flowers
C)
xylem and phloem
D)
seeds in ovaries

Answers

Answer:

C)

xylem and phloem

Explanation:

The three plants in the picture are all vascular plants. Vascular plants have dedicated tissues that aid the transportation of food and water. They have a root, shot, and the vascular system itself. The two main types of vascular tissues are the xylem and the phloem.

The xylem is used in the transportation and storage of the water-soluble nutrients. The phloem transports organic molecules such as the different types of sugars and proteins to the cells that require them in vascular plants.

What happens when two or more substances mix together? A. The properties of the mixture will always have the same properties as the original substances. B. The mixture will always be in a different state of matter than the original substances. C. The properties of the mixture may be different from those of the original substances. D. The mixture will always be the same color as the original substances.

Answers

Answer:

C. The properties of the mixture may be different from those of the original substances

Explanation:

Someone plzzz help with this question

Answers

Answer:

Ion

Explanation:

An Ion is exactly as stated it bears either a positive or negative charge.

describe temperature in your own words

Answers

Answer:

it is a degree of intensity of heat in a subject or thing  expressed usually by touch

 

Explanation:

Please answer fast ASAP I give brainliest

1)how many nucleotides can be observed in the image ?

2) why might nucleotides be know as the building blocks of DNA ?

3) what elements can be found in the structure of DNA if DNA is composed of nucleotides?

Answers

Answer:

it becomes clear that the bulk of DNA can be isolated from the nuclear fraction, The Three Roles of DNA are G, C, and T. Figure 2-1 shows the structures of the four nucleotides in DNA. There are two with pyrim-idine bases) that are the fundamental building blocks of DNA.

Explanation:

Can you pleaseee help meee​

Answers

Answer:

3.C) Mineral salt

4. B) Potato

It is B potato because potato’s hold charge sorta like lemons

Giving everything!!!!!!!!! Plzzzz help!!!!!!!!!!! ASAP!!
A commercial fish farm claims that each of its tanks used for growing fish is a “complete ecosystem that produces no biological waste.” Does this claim imply that the tanks contain which of the following?

A. decomposers

B. fish predators

C. at least four trophic levels

D. a diverse variety of species

Answers

Answer:

ff

Explanation:

ff

The claim that each of the fish farm tanks is a "complete ecosystem that produces no biological waste" does not imply that the tanks contain decomposers, fish predators, at least four trophic levels, or a diverse variety of species.

Why Decomposers are essential components?

Decomposers are essential components of any ecosystem, as they break down dead organic matter and recycle nutrients back into the ecosystem.

The claim that the tanks produce no biological waste suggests that the waste products of the fish and other organisms are somehow being recycled within the tank, but it does not necessarily imply the presence of decomposers.

Fish predators are not necessary components of a fish farming system, as the purpose of the tanks is to raise fish rather than to provide a natural ecosystem.

Having at least four trophic levels and a diverse variety of species are both characteristics of a complex and diverse ecosystem, but they are not essential for a fish farming system to be successful.

Overall, the claim made by the fish farm is likely based on their use of technologies such as recirculating aquaculture systems, which aim to minimize or eliminate the waste produced by fish farming operations, rather than on the creation of a self-sustaining ecosystem.

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