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Neko [114]
3 years ago
15

Which gas prevents damaging ultraviolet radiation from the sun from reaching Earth's surface?

Biology
2 answers:
77julia77 [94]3 years ago
6 0
A.Ozone it's O3 and 100% not nitrogen lol
Vikki [24]3 years ago
3 0

Answer:

A. Ozone.

Explanation:

APEX

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What treatment is being compared to the control in the experiment? what treatment is being compared to the control in the experi
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The correct answer is: the treated glioblastoma cells were cultured in the presence of an inhibitor from umbilical cord stem cells, but the control cells were cultured without the inhibitor.

It has been shown that treatment with injected umbilical cord stem cells has strong therapeutic effects on glioma models. Those cells produce anti-tumour substances, with inhibitory effects.

Control group does not include the treatment in order to observe the treatment.


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3 years ago
It is known that complex carbohydrates provide more sustained energy over time than simple sugars such as sucrose. Complex carbo
lana [24]

Answer:

Complex carbohydrates contain longer chains of sugar molecules than simple carbohydrates. The body converts these sugar molecules into glucose, which it uses for energy. As complex carbohydrates have longer chains, they take longer to break down and provide more lasting energy in the body than simple carbohydrates

Explanation:

5 0
3 years ago
At the complete end of cellular respiration, how many molecules of ATP are produced
Vlad1618 [11]

Answer:

38 ATP

Explanation:

On complete oxidation of one molecule of glucose yields 38 ATP.  Break up of energy production is given below:  

  • During glycolysis 2 ATP and 2 NADH is produced.
  • During formation of Acetyl CoA, 2 NADH is produced.  
  • During Citric Acid Cycle, 2 ATP, 6 NADH, 2 FADH₂ are produced.  

Finally during Electron transport chain, reduced coenzymes NADH and FADH₂ oxidised to release ATP. Each NADH produce 3ATP and each FADH₂ produces 2 ATP. Altogether 10 NADH is produced during entire process of cellular respiration which yield 30 ATP and 2 FADH₂ yields 4 ATP. Therefore, on complete oxidation of one molecule of glucose yields 38 ATP.

7 0
4 years ago
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Can someone please answer my last question its in biology and 7th grade
Sloan [31]

Answer:

yes please

Explanation:

what's the question

4 0
3 years ago
Abnormal cells crowd out cells and steal nutrients.
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