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lara31 [8.8K]
3 years ago
12

What are the products of the light reactions that are subsequently used by the Calvin cycle?

Biology
1 answer:
tensa zangetsu [6.8K]3 years ago
5 0

Answer:

E) ATP and NADPH

Explanation:

The light-dependent reactions of photosynthesis include splitting of water in presence of sunlight followed by transfer of released electrons from PSII to PSI via intermediate carriers. The electrons finally reduce the NADP+ into NADPH.

As the electrons move from carriers between PSII and PSI, the protons are pumped into thylakoid lumen and an electrochemical gradient is generated. movement of protons back to the stroma via proton channel drives ATP synthesis.

The NADPH and ATP formed during light reactions are channeled into the Calvin cycle. Here, NADPH serves in redox reactions while ATP serves as an energy source to fix the atmospheric CO2 into glucose.

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What does a S-shaped curve demonstrate for population growth?
11111nata11111 [884]

A design of growth in which (occurs only in a different situation), the population frequency of an organism rises gradually originally, in a good acceleration time, later progresses swiftly nearing an exponential growth pace just like the J-shaped curve, however, it later declines (meaning rejects) in a bad acceleration time till at zero growth rate the population maintains. For example, yeast is a tiny fungus, so tiny, a microscope is required to view it, furthermore, it is used to produce bread and alcoholic drinks, displays the traditional S-shaped curve if raised in a test tube. Its maturity levels off as the population deplete the nutrients that are essential for its growth.

7 0
3 years ago
Is all the options increase, which ones would serve to remove CO2 from the atmosphere?​
levacccp [35]

Answer:

A. Photosynthesis

Explanation:

Photosynthesis is a process in plants produce food materials by absorbing carbondioxide from the atmosphere which decreases the concentration of carbondioxide in the atmosphere. In photosynthesis reaction, plant take water from the soil and carbondioxide from the atmosphere in the presence of sunlight produces glucose and oxygen. Glucose is stored in different parts of plant such as grains, stem and roots while oxygen is released in the atmosphere.

8 0
3 years ago
Substances which will glow in the dark after being exposed to sunlight are called :
mezya [45]

Answer:

D. / 4 - Phosphorescents

Explanation:

Phosphorescence occurs when light is absorved by a material, and when the material is in the dark we can see how radiation is emitted from the object, in the form of light. Phosphorescent materials are called phosphorescents.

Facts/notes:

  • This does not occur immediately
  • It occurs from a longer time than fluorescence (because electrons take longer to slow down their movement)
  • It is a photoluminescence
  • Remember that bioluminescence is not strictly related to phosphorescence. It's a type chemiluminescence.
  • For a more detalied understaning you should read about excitation, types of excitation and how this causes/affects phosphorescence.

Hope it helped,

BiologiaMagister

3 0
3 years ago
Read 2 more answers
QUESTION 31 Chipmunk mitochondrial DNA was fingerprinted using the single primer amplified region technique (SPAR) and the PCR r
natima [27]

Answer:

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Explanation:

The PCR based single primer amplification reaction (SPAR) methods are tools for detecting genetic diversity by using DNA markers such as Simple Sequence Repeats (ISSRs), Minisatellite DNA regions (DAMDs) and Random Amplified Polymorphic DNAs (RAPDs), which can be used alone or combined with each other. In the last years, the SPAR methods have gained attention in the scientific community because they are cost-effective and highly effective for the detection of both intraspecific and interspecific genetic variation. In the SPAR methods, the size of the bands will depend on the length of the amplified DNA fragments.

6 0
2 years ago
PLEASE HELP IM CONFUSED!!!
Masja [62]

Answer:

it's either A or D I believe. it's most likely D

5 0
2 years ago
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