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Aleksandr [31]
3 years ago
13

Read the text and fill in the blank to complete the sentence.

Biology
1 answer:
zzz [600]3 years ago
3 0

Answer:

Explanation:

Ummmm

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Through which conversion is energy released?
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atp to adp

Explanation:

i actully passed this test in science

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Which renewable energy resource is directly impacted by air quality?
erastovalidia [21]

Answer:

Wind power

Explanation:

could have an almost immediate impact on air quality by halting the production of these particles.

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Which of these items would be a renewable resource?
scZoUnD [109]
Fish would be renewable since they can be reproduced.

We cant make gold, or oil, and gasoline comes from oil, so all are non-renewable

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Christmas trees don’t just look pretty, they give out lovely life-giving oxygen. An acre of Christmas trees will provide oxygen
Licemer1 [7]
The answer would be about  18.

<span>Christmas trees give, in fact, a lot of oxygen and in return they consume a lot of carbon dioxide.
</span><span>The oxygen produced by each tree depends on several factors, but there is a estimative. In about 1 acre of land, there are enough trees to produce the oxygen necessary for 18 people to breath during a whole year!
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6 0
3 years ago
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An antibody has been isolated that binds to F-actin but not to G-actin. What structural feature(s) of F-actin do you suppose the
galina1969 [7]

Answer:

F-actin is a double helical filament as opposed to G-actin,which is a globular protein .Each actin filament has two ends,called the plus and

the minus ends, which makes it recognizable from each other.This gives the structure a distinct polarity.

Explanation:

Actin is the most abundant protein that is found in almost all eukaryotic cells.Its a most important part cytoskeleton as its a monomeric subunits(size 42kDa) of two types of filaments i.e. microfilaments and thin filaments in cells. Actin is essentially required to maintain stability and morphogenesis of cell.It is involved in numerous significant processes such as endocytosis,cell division and migration.Actin is present in two forms:

•G-actin

•F-actin

The two forms of actin are different structurally.

G- actin is a globular shaped protein,usually present in free form(a monomer),having a tight binding site for another actin monomer.Each monomer has ATP. Upon polymerization of G-actin monomers, a polymer called F-actin filaments is form. This process is driven by hydrolysis of ATP.

7 0
3 years ago
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