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Lorico [155]
2 years ago
12

HELP! 10 Points for greatest answer!

Biology
1 answer:
bixtya [17]2 years ago
8 0

Answer:

The Amazon is a critical absorber of carbon of carbon dioxide, a greenhouse gas produced by burning fossil fuels, like oil and coal. ... The Amazon absorbs 2 billion tons of CO2 per year (or 5% of annual emissions), making it a vital part of preventing climate change.

Explanation:

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In his attempt to develop a pneumonia vaccine, Frederick Griffith injected mice with various combinations of living and dead bac
n200080 [17]

Answer:

The mice died

Explanation:

In Griffith's experiment, two strains of the same bacteria were used. S strain was smooth because it had a polysaccharide coat. This coat also made it virulent because mouse immune system was not able to destroy it and ultimately the mice died. R strain was rough because it did not have the coat and thus was harmless to mice.

When Griffith injected mice with dead S bacteria and living R bacteria together, the mice died. Live R bacteria had taken up the genetic material or as Griffith called "transforming principle" from the dead S bacteria and transformed into S bacteria. So live S bacteria were present again and they killed the mice.

4 0
3 years ago
Which of these best explains why mitochondria are called the "powerhouses" of the cell?
Sindrei [870]

<em><u>Answer:</u></em>

They generate chemical energy in the form of ATP.

<u><em>Explanation:</em></u>

Mitochondria are the powerhouses of the cell because they "burn" or break the chemical bonds of glucose to release energy to do work in a cell. This releases energy (ATP) for the cell. The more active a cell (such as a muscle cell), the more mitochondria it will have.

7 0
3 years ago
Help please, this is for a test and I would like to double check my answer with someone
ehidna [41]

Answer:

It would be B

Explanation:

By doing the punnet square, you get BB, BB ,Bb, Bb, of which 50% are heterozygous.

5 0
3 years ago
What components of the introns of nuclear genes that encode proteins in higher eukaryotes are conserved and required for the cor
leonid [27]

Answer:

The introns of protein-encoding nuclear genes of higher eukaryotes almost invariably begin (5') with GT and end (3') with AG. In addition, the 3'subterminal A in the “TACTAAC box” is completely conserved; this A is involved in bond formation during intron excision.

3 0
3 years ago
PLZ HELP! WILL GIVE BRAINLIEST!
Anastaziya [24]

Answer:

2. D

3. B

4. A

Explanation:

5 0
3 years ago
Read 2 more answers
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