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Vaselesa [24]
3 years ago
9

Why does darkness affect the light-independent reactions of photosynthesis?

Biology
2 answers:
Anna35 [415]3 years ago
7 0

The right answer is Light independent reactions require the energy gathered in the thylakoids.

* The dark phase corresponds to the phase of assimilation of CO2 which uses the energy molecules produced during the clear phase and which is carried out cyclically. This cycle is called the Calvin cycle and it takes place in the stroma of the chloroplast.

The assimilation of CO2 is done in four main stages, the first three of which take place within the Calvin cycle:

-CO2 fixation (carboxylation).

-Carbon reduction fixed.

-Regeneration of the CO2 acceptor.

-Synthesis of sugars.

* A thylakoid, or thylakoid membrane, in a chloroplast, is a flat membranous sac containing chlorophyll, or in other words, it is a cell membrane within the plant chloroplast that photosynthesizes. The thylakoid of a bacterium is also called the chromatophore.

A thylakoid is a membrane compartment within chloroplasts and cyanobacteria. They are the place of light-dependent reactions of photosynthesis. The thylakoids consist of a thylakoid membrane surrounding a thylakoid lumen (in the biological sense).

Sophie [7]3 years ago
5 0
<span>Light independent reactions require the energy gathered in the thylakoids.</span>
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Do the information given and the map best describe adaptive evolution, convergent evolution, or coevolution? Explain your respon
miss Akunina [59]

Hi, the given question is incomplete, it is missing a diagram, the diagram is given in the attachment below,

Answer:

The correct answer is adaptive evolution.

Explanation:

Based on the given information, it is clear that it best illustrates the phenomenon of adaptive evolution. It is known that different species of finches exhibit an ancestor, which is common, however, all the species have shown adaptation based on the kind of food they are getting within their surroundings.  

The evolutionary modifications that arise by getting adaptive to the specific environment are termed as adaptive evolution. These changes arise due to the phenomenon of natural selection, which further enhances the tendency of reproducing or survivorship after going through some of the challenges presented by the surroundings.  

3 0
2 years ago
The relative location of four genes on a chromosome can be mapped from the following data on crossover frequencies Genes B and D
kykrilka [37]

Answer:

3. CABD

Explanation:

The gene mapping refers to providing position to the genes on the chromosomes.  The first gene map was constructed by the Alfred Sturtevant on the basis of recombinant produces or recombination frequency which was calculated.

The gene mapping refers to providing position to the genes on the chromosomes.

In the given question to construct gene map:

1. Look for the highest recombination frequency that is 50% between the C and D.

2. Now look for second-highest value and place the gene accordingly.

3.Similarly, place the genes in the decreasing order of recombination frequency and this will result that the sequence of the genes is- CABD.

Thus, Option-3 is correct.

5 0
3 years ago
Based on the climograph, what mainly differentiates temperate grassland from temperate broadleaf forest?
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How do microscopes differ in magnification and resolution?
Verizon [17]

1.Magnification is the ability of optical instruments, such as a telescope or a microscope, to make an object bigger while resolution is the ability of optical instruments to produce images that are clearer, finer, and sharper.

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3.Resolution can be expressed in arcsec or seconds while magnification can be expressed by a whole number and the letter “X.”

4.Although both are dependent upon each other, a high magnification does not always guarantee a high resolution.

5.Magnification allows us to see small objects, especially those that are not visible to the naked eye, while resolution allows us to see these objects more clearly and with more details.

6 0
2 years ago
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Paha777 [63]

Answer:

here are some example of destruction of coral reefs. i didnt really understand what you were asking but hopefully this will help you!!

Explanation:

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Poison or Dynamite Fishing. ...

Water Pollution. ...

Sedimentation. ...

Careless Tourism.

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