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SIZIF [17.4K]
3 years ago
7

The earths crust is 1. heavier 2.softer 3.thicker 4.thinner

Biology
1 answer:
Ray Of Light [21]3 years ago
3 0

Answer:

The Earth's crust is thicker

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What is the energy requirement in kJ/mol to transport a proton across the mitochondrial inner membrane in plant cells at night w
lions [1.4K]

Answer:

C. +23.1 kJ/mol

Explanation:

the formula to use to calculate the energy requirement in kJ/mol to transport a proton across the mitochondrial inner membrane in plant cells is:

ΔGt = RTIn  \frac{C_{2} }{C_1}   + ZFΔV

let's list the values of the data we are being given in the question to make it easier when solving it.

Z= 1

F= 96500C (faraday's constant)

ΔV= 160mV = 0.160V

R= 8.314( constant)

T= 15ºC ( converting our degree Celsius into kelvin, we will have 273.15k+ 15 = 288.15K)

∴ T= 288.15K

Putting it all together in the formula, we have:

ΔGt = 8.314 × 288.15 × 2.303 log \frac{C_{2} }{C_1}  + 1  × 96500 × 0.160

ΔGt = 5517.25   [ -(log(H^{+}_{out} ) + log(H^{+}_{in} )_{in}  +15440

ΔGt  = 5517.25 (pH_{out} - pH_{in}  +15440

Given that the pH  differential gradient  across the membrane is 1.4pH units. It implies that;

ΔGt  = 5517.25 × 1.4 + 15440

=  7724.15 +15440

= 23164.15 Joules/moles

= +23.1 KJ/mole

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In the hydrologic cycle, water evaporates into the atmosphere. It then condenses and falls to the ground as precipitation. How c
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classify the following characteristics and examples depending on what model of speciation is described.
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The classification of the characteristics and examples based on the model of speciation that is being described are as follows:

  1. <u>Allopatric Speciation:</u> speciation that is based on geographic isolation.
  2. <u>Sympatric Speciation:</u> organisms are reproductively isolated by postzygotic mechanisms and evolve into different species.
  3. <u>Allopatric Speciation:</u> organisms in different locations are subject to different selective pressures and evolve into different species.
  4. <u>Sympatric Speciation:</u> speciation that does not require geographic isolation.
  5. <u>Sympatric Speciation:</u> bread wheat evolved from two species of wheat with different chromosome numbers.

<h3>What is speciation?</h3>

Speciation can be defined as an ecological and biological process through which new species of a living organism are formed, especially due to isolation of a part.

<h3>The types of speciation.</h3>

In Science, there are five (5) major types of speciation and these include the following:

  1. Allopatric Speciation
  2. Peripatric Speciation
  3. Parapatric Speciation
  4. Sympatric Speciation.
  5. Artificial Speciation.

Read more on allopatric speciation here: brainly.com/question/4493180

#SPJ1

<u>Complete Question:</u>

Classify the following characteristics and examples depending on what model of speciation is described.

Allopatric Speciation  Sympatric Speciation

Speciation that is based on geographic isolation

Organisms are reproductively isolated by postzygotic mechanisms and evolve into different species

Organisms in different locations are subject to different selective pressures and evolve into different species  

Speciation that does not require geographic isolation

Bread wheat evolved from two species of wheat with different chromosome numbers

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