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2 years ago

In one to three sentences, describe what happens during the regeneration stage of the Calvin cycle.

2 answers:

meriva2 years ago

5 0

In fixation, the first stage of the Calvin cycle, light-independent reactions are initiated; CO2 is fixed from an inorganic to an organic molecule. In the second stage, ATP and NADPH are used to reduce 3-PGA into G3P; then ATP and NADPH are converted to ADP and NADPH+

hope this helps [:

yaroslaw [1]2 years ago

5 0

G3P is converted into RuBP. The enzyme rubisco speeds up the reaction.

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Explain why the vessels that transport water in trees must be very small in diameter.

kipiarov [429]

Answer:

The diameter of the xylem vessels should be small in order for the capillary action to take place.

Explanation:

The vessels through which water is transported to different parts of the plants and trees are the xylem. Water is transported in the trees through a mechanism named as capillary action. This mechanism can occur only if the diameter of the vessels are small.

The water molecules adhere to the walls of xylem and an upward force is generated. If the diameter of the vessels i.e xylem would be small then the surface tension between the xylem and water molecules would be enough to move the water in an upward direction.

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2 years ago

The food web above represents feeding relationships in a biological community near a deep-sea hydrothermal vent. Hydrothermal ve

Setler79 [48]

Answer: Some organisms rely on energy captured from inorganic compounds to drive basic biological processes.

Explanation:

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2 years ago

Explain why a rock pocket mouse color influence its overall fitness. Remember that "fitness" is defined by an organisms ability

levacccp [35]

Answer:

The rock pocket mice rely on their fur color for camouflage. So, on the tan sand more light colored mice will survive because they blend in and on the dark lava rock more dark colored mice will survive and the allele for dark fur will be passed on to their offspring

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2 years ago

Imagine a cell with a semi-permeable membrane that is selective to K+ ions only. The internal solution contains 100 mM KCl and t

kompoz [17]

Answer:

C. Nernst equation

Explanation:

The Nernst Equation is used to find the equilibrium potential of an ion.

It tells you only what the equilibrium potential for an individual ion is, not what the summed effect of all ions is on the membrane potential.

The formula for Nernst Equation is:

$E_{ion}$ = $\frac{RT}{FZ}$ In $\frac{[ion]_{out} }{[ion]_{in} }$

where F is Faraday Constant, R = gas constant, 8.314 J/mol K

, T = temperature, in K, Z stoichiometric number of electrons in the reaction, is the Reduction Potential in V.

Kindly note that, if we have a squid giant axon at rest with normal intracellular and extracellular ion concentrations. If the membrane permeability to K+ ions is increased, the K+ equilibrium potential (Nernst potential) will stay the same.

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2 years ago

An ecologist recorded 12 white-tailed deer, Odocoileus virginianus, per square mile in one woodlot and 20 per square mile in ano

Nuetrik [128]

Answer:

The population of white-tailed deer in the two habitats.

Explanation:

Population is defined as the number of individuals per unit area. The unit area can be per hectare, acre, meter square, square mile, or any other acceptable unit for measuring the area of land.

<em>The ecologists identified two different woodlots and counted the population of white-tailed deer in the two. He must have been interested in comparing the population of the animals in the two habitats.</em>

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2 years ago