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ikadub [295]
1 year ago
14

arrange the following events in the correct order, from left to right, with respect to the function of the channels, ion permeab

ility, and changes in membrane potential. rank the items from first to last. to rank items as equivalent, overlap them.
Biology
1 answer:
MrMuchimi1 year ago
7 0

The arranged events in respect to the function of the channels, ion permeability, and changes in membrane potential from top to bottom  include:

1. opening of voltage-gated Na+ channels

2. Na+ ion flow into the neuron increases

3. depolarization of the membrane to +30 mV

4. K+ ion flow out of the neuron increases

5. repolarization of the membrane.

<h3>What is Membrane potential?</h3>

This is defined as the difference in electric potential between the interior and exterior parts of a biological cell and also refers to the potential gradient which facilitates the movement of ions in a cell in one direction.

In a cell, the series of events which occur according the variables such as ion permeability is  opening of voltage-gated Na+ channels and is usually ended by the repolarization of the membrane.

Read more about Membrane potential here brainly.com/question/14546588

#SPJ1

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HELP The movement of tectonic plates in two different locations is shown below:
bogdanovich [222]
Answer: The answer is D.

Explanation: Because earthquakes take place in both the Convergent Plate in Location A and Transform Plate in Location B.
8 0
2 years ago
How many distinct stages must occur between the point when light first encounters chlorophyll and the point at which
Novay_Z [31]

Explanation:

<u>Three.</u>

Photosynthesis produces glucose and O2 from inorganic CO2, light energy and water.  This occurs in distinct steps: 1) light fixation,  2) electron transport and NADPH production 3)  ATP generation, then 4) carbon fixation and carbohydrate production.

6CO2 + 6H20 + (energy) → C6H12O6 + 6O2

Further Explanation:

Photosynthesis is a chemical process, essential to plant and other primary producers producing energy. As oxygen is emitted, energy in the form of glucose molecules is created from light, water, and carbon dioxide. It happens in several complicated stages, photosynthesis is a speed-limited process, depending on several factors including concentration of carbon dioxide, ambient temperature and light intensity; energy is extracted from photons, i.e. light particles, and water is used as a reduction agent. It occurs in the thykaloids, where pigment molecules live like chlorophyll.

Photosynthesis occurs in several complex steps and is a reaction of a small duration, depending on several fa factors including carbon dioxide concentration, ambient temperature and light intensity; the energy is retrieved from photons, I.e. particles of light, and water is used as a reducing agent. Water supplies the chlorophyll in plant cell with replacement electrons for the ones removed from photosystem II.

Additionally,

  • Water (H2O) divided into H+ and OH-by light during photolysis serves as a source of oxygen along with acting as a reduction agent; it reduces the NADP molecule to NADPH by supplying H+ ions and generates molecules of the energy storage molecule ATP through an electron transport chain.
  • This happens in the thykaloids, where pigment molecules reside like chlorophyll.
  • Later, NADP and NADPH are used in dark reactions during the Calvin cycle, where monosaccharides or sugars such as glucose are produced after several molecules have been modified. These store energy in their bonds which in the mitochondria can be released in respiration.

Learn more about photosynthesis at brainly.com/question/4216541

Learn more about cellular life at brainly.com/question/11259903

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8 0
3 years ago
Read 2 more answers
Changes of seasons require plants and animals to adapt to changes in climate. In one region of the world, however, living things
GrogVix [38]

A tropical forest is a type of biome that shows a little or no change of season throughout the year.

<h3>What is Biome?</h3>

A biome may be defined as a very large area or an ecosystem that is characterized by a particular type of vegetation. Examples include Tropical rainforests, Grasslands, Coral reefs, etc.

Tropical forests include rain forests, dry forests, grasslands, and savannas. The dominant plants which are found in these tropical forests are phanerophytes, epiphytes, lianas, etc.

This biome consistently faces almost the same average intensity of sunlight throughout the year. Hence, the temperature fluctuation in this biome is very mild.

Therefore, a tropical forest is a type of biome that shows a little or no change of season throughout the year.

To learn more about Biome, refer to the link:

brainly.com/question/2142181

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6 0
2 years ago
All life on earth shares a common ancestor and more closely related organisms share a more recent common ancestor. A ________ is
Alex777 [14]

Answer:

phylogenetic

Explanation:

The phylogenetic tree shows the relationship of evolution between organisms.  

6 0
2 years ago
The Go' for the reaction Citrate  Isocitrate is +6.64 kJmol-1 . The Go' for the reaction Isocitrate  α-Ketoglutarate is -267
xz_007 [3.2K]

Answer:

ΔG°' for the conversion of citrate to α-ketoglutarate = - 273.64  kJmol-1

Explanation:

ΔG°' for Citrate is +6.64 kJmol-1

ΔG°' for Isocitrate is -267 kJmol-1

ΔG°' for the conversion of citrate to α-ketoglutarate = ΔG°' for product - ΔG°' for reactant

ΔG°' for the conversion of citrate to α-ketoglutarate = -267 kJmol-1 - (+6.64 kJmol-1)

ΔG°' for the conversion of citrate to α-ketoglutarate = - 273.64  kJmol-1

7 0
3 years ago
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