The binding of the odorant molecule triggers an action potential by activating the CNG (cyclic nucleotide-gated) channels, leading to depolarization and subsequent opening of voltage-gated Na⁺ channels in the olfactory neuron.
Determine the cellular and molecular concepts?The diagram represents the cellular and molecular events involved in signaling within an olfactory neuron. When an odorant molecule binds to the CNG channels located in the plasma membrane of the neuron, it initiates a cascade of events.
Initially, the binding of the odorant molecule to the CNG channels allows the influx of Na⁺ and Ca²⁺ ions into the neuron, resulting in depolarization of the membrane potential. This depolarization reaches a threshold value of -55 mV, which triggers the opening of voltage-gated Na⁺ channels.
The opening of voltage-gated Na⁺ channels causes a rapid influx of Na⁺ ions into the neuron, further depolarizing the membrane potential and generating an action potential. This action potential propagates along the axon of the neuron, allowing the transmission of the olfactory signal to the brain.
Following the action potential, repolarization occurs through the opening of voltage-gated K⁺ channels. These channels facilitate the efflux of K⁺ ions from the neuron, restoring the resting membrane potential.
The diagram also includes additional cellular and molecular components involved in the signaling process, such as CAMP (cyclic AMP), ATP (adenosine triphosphate), transcription factors, and gene transcription, which collectively contribute to the activation and regulation of the olfactory pathway.
To maintain ion homeostasis and restore the resting potential, the Na⁺/K⁺ pump actively transports Na⁺ ions out of the neuron and K⁺ ions back into the neuron.
Therefore, the odorant molecule binding activates CNG channels, causing depolarization and opening of voltage-gated Na⁺ channels. This triggers an action potential in the olfactory neuron, enabling the transmission of the olfactory signal.
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Complete question here:
Work in your groups to identify cellular and molecular concepts connected to this diagram How many can you find? + OUT +30 Resting Potential Na K pump -IN 0 2 OUT 2 Membrane potential (mV) Depolarization Voltage-gated Na' channel IN • OUT 3 -55 -Threshold Repolarization Voltage-gated channel -70 + OUT Resting Potential Na-/Kºpump 2 3 Time (msec) Odorant compound Na CNG channel 30 CH channel Plasma membrane OR AC3 (G , GB Cytosol ATP Knases CAMP Transcription factors Growth cone Gene transcription Look again at this diagram of signaling in an olfactory neuron.
How does the binding of the odorant molecule trigger an action potential?
Do you think a chemical reaction occurs every time two substances are placed together in a reaction vessel?
Answer:
Not necessarily.
Explanation:
A 15.0 g piece of graphite is heated to 100.0°C and placed in a calorimeter. The
graphite releases 815.1 J of heat to reach a final temperature of 23.9°C. What is
the specific heat of graphite?
Answer:
0.714Jg^-10C^-1.
Explanation:
According to specific heat capacity, the specific heat of graphite is -0.714 J/g°C.
What is specific heat capacity?Specific heat capacity is defined as the amount of energy required to raise the temperature of one gram of substance by one degree Celsius. It has units of calories or joules per gram per degree Celsius.
It varies with temperature and is different for each state of matter. Water in the liquid form has the highest specific heat capacity among all common substances .Specific heat capacity of a substance is infinite as it undergoes phase transition ,it is highest for gases and can rise if the gas is allowed to expand.
It is given by the formula ,
Q=mcΔT
In the given example, it is calculated as, c=Q/mΔT
Substituting values in above equation, c= 815.1/15×(-76.1)
c=-0.714 J/g°C
Thus, the specific heat of graphite is -0.714 J/g°C.
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Baking soda has a pH of 8. Its a(n) _________ substance
Acid
Neutral
Alkaline
Powdery
(god bless!! have a wonderful and blessed day!!! i love you!! and dont forget no matter what god loves you too!!!
Answer:
it's an acid
Explanation:
because itis soda
Can anyone tell me 5 reactions of metals with nonmetals?
non-Metals:
Nitrogen.
Oxygen.
Helium.
Sulfur.
Chlorine.
Explanation/Answer:
Metal atoms have only a few electrons in their outer shell whereas non-metal atoms have lots of electrons in their outer shell. This means that metals tend to react with non-metals. When a metal reacts with a non-metal, electrons transfer from the metal to the non-metal.
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Table sugar and salt are examples of? A. mixtures B. elements C. atoms D. compounds
Answer:
The answer is compound because they consist of multiple things.
what is the meaning of resolution in science?
help me please
100% verified brainly answers to give me please.
Answer:
Resolution is the ability to distinguish two objects from each other. Light microscopy has limits to both its resolution and its magnification.
Choose the aqueous solution below with the highest boiling point. These are all solutions of nonvolatile solutes and you should assume ideal van't Hoff factors where applicable.
A) 0.075 m NaI
B) 0.075 m (NH4)3PO4
C) 0.075 m NaBrO4
D) 0.075 m LiCN
E) 0.075 m KNO2
Answer:
B. (NH₄)₃PO₄
Explanation:
Elevation of boiling point is one of the colligative properties.
Formula is: ΔT = Kb . m . i
ΔT = Boiling T° of solution - Boiling T° of pure solvent.
i = Van't Hoff factor (numbers of ions dissolved)
Kb = Ebulloscopic constant
In this case, all the m are the same so let's dissociate the salts:
NaI → Na⁺ + I⁻ i = 2
(NH₄)₃PO₄ → 3NH₄⁺ + PO₄⁻³ i = 4
NaBrO₄ → Na⁺ + BrO₄⁻ i = 2
LiCN → Li⁺ + CN⁻ i = 2
KNO2 → K⁺ + NO₂⁻ i = 2
The biggest i would have the biggest boiling point, then B is the right answer, ammonium phosphate.
You count the i, with the moles of ions, you dissociate from the salt.
PLEASE HELP ME!!! I AM DESPERATE!!!
What causes infrared light to hit the ground?
Answer: The water vapor, carbon dioxide, methane, and other trace gases in the earth's atmosphere absorb the longer wavelength. These are all reasons why infrared waves hit the ground.
The water vapor, carbon dioxide, methane, and other trace gases in the earth's atmosphere absorb the longer wavelength. These are all reasons why infrared waves a part of electromagnetic spectrum hit the ground.
What is electromagnetic spectrum?The electromagnetic radiation consists of waves made up of electromagnetic field which are capable of propogating through space and carry the radiant electromagnetic energy.
The radiation are composed of electromagnetic waves which are synchronized oscillations of electric and magnetic fields . They are created due to change which is periodic in electric as well as magnetic fields.
In vacuum ,all the electromagnetic waves travel at the same speed that is with the speed of air.The position of an electromagnetic wave in an electromagnetic spectrum is characterized by it's frequency or wavelength.They are emitted by electrically charged particles which undergo acceleration and subsequently interact with other charged particles.
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3. What causes the plates to be pulled apart?
PLEASE HELP
Answer:
Hot magma rises from the mantle at mid-ocean ridges pushing the plates apart. Earthquakes occur along the fractures that appear as the plates move apart.:
In eukaryotic cells, RNA is transcribed from DNA in the _____
ribosomes
nuclear membrane
cytosol
nucleus
Answer:
The answer is Nucleolus
Calculate the number of molecules in 64.5 grams of Nitrogen monoxide, NO
N=9.933
Explanation:
no of mole = m÷mr
then ,no of molecules=n×la
30)
Cosmologists believe that the universe is expanding and that it has been expanding since the Big Bang. Astronomers
viewing distant stars see evidence of this expansion in which phenomenon?
A)
Red shift
B)
Blue shift
Gamma pulse
D)
Background radiation
Answer:
i did this so the next person can have brainliest
Explanation:
Explain how you can convert from the number of representative particles of a substance to moles of that substance.
Answer:
the number of representative contain in 1 mol of a substance equals to 6.o2x10^23 particles.Number of representative particles of a substance can be converted to moles of that substance by multiplying it by Avogadro's number as 1 mole=6.023 ×10²³.
What is Avogadro's number?Avogadro's number is defined as a proportionality factor which relates number of constituent particles with the amount of substance which is present in the sample.
It has a SI unit of reciprocal mole whose numeric value is expressed in reciprocal mole which is a dimensionless number and is called as Avogadro's constant.It relates the volume of a substance with it's average volume occupied by one of it's particles .
According to the definitions, Avogadro's number depend on determined value of mass of one atom of those elements.It bridges the gap between macroscopic and microscopic world by relating amount of substance with number of particles.
Number of atoms can be calculated using Avogadro's number as follows: mass/molar mass×Avogadro's number
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2NaCl → 2Na +Cl2
What reaction is this
Answer:
Decomposition reaction
Explanation:
A single reactant breaking down to form 2 or more products is decomposition
Two atoms of Nh3 reacts with one N2 how many moles of Nh3 reacts with one 2.00 mole of N2
Explanation:
there are four (4)mole of Nh3 that react with N2
In the equation for the orbital radii in hydrogen-like atoms, a0 is called the:
Select the correct answer below:
A. energy level
B. Bohr radius
C. nuclear charge
D. orbital constant
Q1.
How many peaks are there in the 13C NMR spectrum of 1,4-dimethylbenzene?
A: 8
B: 4
C: 3
D: 2
Answer:
there are four peaks in the 13c NMR (B)
To solve this we must be knowing each and every concept related to NMR. Therefore, the correct option is option B among all the given options.
What is NMR?NMR spectroscopy is a form of spectroscopy that may be used to evaluate the quality or purity of such a sample as well as the molecular weight of a substance.
It really is based on the observation that now the nuclei among most atoms have spin and that all nucleus are electrically charged. NMR spectroscopy relies on the electromagnetic radiation absorption in the radiofrequency range 3kHz-300 GHz. There are four peaks in the 13C NMR spectrum of 1,4-dimethylbenzene.
It occurs at such a wavelength that corresponds to radio frequencies, and when an electron recovers from such an excited state back ground state, it produces the same frequency radio wave.
Therefore, the correct option is option B.
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What are the components of the land-based carbon cycle?
Answer:
Human exhale
Explanation:
When humans exhale-carbon is that which all humans produce=18% of all carbon output
83.0 g Lithium Cyanide (LiCN)
Can someone please convert this to molar mass and moles for 100point?
it's not a scam like I really need this done before class is done
Molar mass:-
[tex]\\ \sf\longmapsto LiCN[/tex]
[tex]\\ \sf\longmapsto 7u+12u+14u[/tex]
[tex]\\ \sf\longmapsto 21u+12u[/tex]
[tex]\\ \sf\longmapsto 33u[/tex]
[tex]\\ \sf\longmapsto 33g/mol[/tex]
Given mass=83gNo of moles=Given Mass/Molar mass
[tex]\\ \sf\longmapsto \dfrac{83}{33}[/tex]
[tex]\\ \sf\longmapsto 2.5mol[/tex]
what element is 1s22s22p63s23p64s23d104p65s1
Answer:
Rubidium
Explanation:
Add the exponents: 2+2+6+2+6+2+10+6+1=37
Look for the atomic number 37
The element having electronic configuration 1s₂, 2s₂, 2p₆, 3s₂, 3p₆, 4s₂, 3d₁₀, 4p₆, 5s₁ is rubidium .
What is an element ?A chemical element is a species of atoms, including the pure substance made entirely of that species, that have a specific number of protons in their nuclei. Chemical elements, in contrast to chemical compounds, cannot be reduced by any chemical process into simpler molecules.
They can be identified by their particular atomic number. The periodic table groups the elements according to their atomic number and draws attention to those with related qualities.
The most vital ingredient for life is carbon. Life as we know it would not exist without this element. You'll see that carbon is the main component of the chemicals required for life.
Thus, The element having electronic configuration 1s₂, 2s₂, 2p₆, 3s₂, 3p₆, 4s₂, 3d₁₀, 4p₆, 5s₁ is rubidium .
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What is your observation of the relationship between m and a
Answer:
They are both letters?
Explanation:
HELP I HAVE 14 MINUTES!!
Which of the following combinations go together to create true statement about subatomic particles?
a - proton
b - neutron
c - electron
d - no charge
e - positive charge
f - negative charge
g - has mass
h - has no mass
Group of answer choices
1) b, d, and h
2) a, e, and h
3) b, d, and g
4) c, d, and h
True or false; When Something Heats up, it moves faster, and when something cools down, It moves slower.
Answer:
This is true
Explanation:
Even at the atomic level when an element is heated up, the atoms continue to move faster and continue colliding.
The opposite happens with the cooling of elements.
Most of the mass of an atom is found in
Answer:
Most of the mass of an atom is found in the nucleus.
Explanation:
How are the atomic number and the number of protons related to each other?
Answer:
Neutral atoms of each element contain an equal number of protons and electrons. The number of protons determines an element's atomic number and is used to distinguish one element from another. ... Together, the number of protons and the number of neutrons determine an element's mass number.
Explanation:
Which of these is a biotic factor of an ecosystem?
A) Crystals of salt
B) Rays of sunlight
C) Grains of Sand
D) Strands of seaweed
84.9 g of solid iron reacts with oxygen gas forming iron(III) oxide. How many moles of oxygen will react
Answer:
1.14 moles of oxygen will react
Explanation:
The balanced equation of reaction between iron and oxygen is
4 Fe + 3 O₂ → 2 Fe₂O₃
By stoichiometry of the reaction (that is, the relationship between the amount of reagents and products in a chemical reaction), the following amounts of each compound participate in the reaction:
Fe: 4 molesO₂: 3 molesFe₂O₃: 2 molesThe molar mass of iron being Fe 55.85 g/mole, then the following amount of mass reacts by stoichiometry: 4 moles* 55.85 g/mole=223.4 g
You can apply the following rule of three: if by stoichiometry 223.4 grams of Fe react with 3 moles of O₂, 84.9 grams of Fe react with how many moles of O₂?
[tex]moles of O_{2} =\frac{84.9 grams of Fe*3 moles ofO_{2} }{223.4 grams of Fe}[/tex]
moles of O₂= 1.14 moles
1.14 moles of oxygen will react
hi too all that read this sub 2 to jelly
Answer:
I already am
Explanation:
Determine whether each change represents oxidation or reduction. 1) CH3CHO to CH3CH2OH 2) CH3OH to CH4 3) N2H4to N2 4) gain of electrons 5) NO-2 to NH3 6) NAD+ to NADH 7) CH4 to Co2 8) Ag+ to Ag
Answer:
1) oxidation
2) Reduction
3) Oxidation
4) Reduction
5) Reduction
6) Reduction
7) Oxidation
8) Reduction
Explanation:
Oxidation is said to have taken place when there is a positive change in the oxidation number while reduction is said to have taken place when there is a decrease in the oxidation number.
The change from CH3CHO to CH3CH2OH represents on oxidation reaction.
The change from CH3OH to CH4 is a reduction because the oxidation number of carbon changes from +2 to -4.
The change from N2H4to N2 is an oxidation because the oxidation number of nitrogen increases from -2 to 0.
The gain in electrons is a reduction because the gain of electron leads to a decrease in oxidation number.
The change from NO- 2 to NH3 is a reduction because the oxidation number of nitrogen changes from +4 to -3.
The change from NAD+ to NADH is a reduction since NAD+ is the oxidized form of the enzyme while NADH is the reduced form of the enzyme.
The change from CH4 to Co2 is an oxidation because the oxidation number of carbon changes from -4 to + 4.
The change from Ag+ to Ag is a reduction because it involves the gain of one electron and a consequent decrease in oxidation number.
Which three phenomena occur during a double slit experiment and support the wave model of light?
A-light bends around the edges of the slit.
B-light passes straight through the slit.
C-dark areas appear on the screen.
D-bright areas appear on the screen.
THERE ARE 3 ANSWERS
This is worth 100 points btw.
Answer:
Option A, A-light bends around the edges of the slit.