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notka56 [123]
3 years ago
15

Why are stems considered to have a small role in photosynthesis while roots are not?

Biology
1 answer:
Tems11 [23]3 years ago
7 0

Roots are the main source of absorption and make the plant survive. Both the stem and roots. Xylem is founded in both stem and roots.

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protoporphyrin ix fluorescence and photobleaching during interstitial photodynamic therapy of malignant gliomas for early treatm
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Prior to therapy, a high PpIX fluorescence was observed in three patients; however, after iPDT, this fluorescence was entirely photobleached. These patients' viable tumor sections had high PpIX concentrations (mean PpIX uptake per tumor: 1.4-3.0 M).

<h3>Briefing:</h3>

However, no or just minimal PpIX uptake (0-0.6 M) could be seen in the remaining two cases. Strong PpIX uptake patients demonstrated therapeutic response and long-term clinical stabilization (no progression at 29, 30, and 36 months); the remaining two patients experienced early treatment failure (death after 3 and 9 months).

<h3>Describe fluorescence:</h3>

Two steps make up the chemical process of fluorescence first, a chemical fluorophore such a protein or carotenoid absorbs shorter-wavelength light (excitation), and then some of the absorbed energy is released as longer-wavelength light (emission).

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1 year ago
Three genes in fruit flies affect a particular trait, and one dominant allele of each gene is necessary to get a wild-type pheno
Dmitry_Shevchenko [17]

Answer:

D

Explanation:

5 0
3 years ago
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Most of the atp supplies for a skeletal muscle undergoing one hour of sustained exercise come from _____.
ioda

The question is incomplete as it does not have the options which are:

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Answer:

D) oxidative phosphorylation.

Explanation:

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The ATP in humans is produced by a process called cellular respiration where the last phase of the process called electron transport chain produces the highest amount of protein. The electron transport chain is also known as the oxidative phosphorylation as the oxygen is gained and electrons are lost during the phase.

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Excess carbon gases released into the atmosphere cause additional radiation to be retained and Earth's average temperature to in
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3 years ago
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