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zalisa [80]
3 years ago
15

Animals get the most of the nitrogen they need

Biology
1 answer:
STALIN [3.7K]3 years ago
8 0
Through the things they eat
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Indicate whether each of the following occurs mainly in G1 phase (G), S phase (S), or G2 phase (H) of the cell cycle. Your answe
Ronch [10]

Answer:

Correct choice should be:

"SGSG"

Explanation:

The cell cycle consists of G1, S, G2 and M phase. The former three phases include the interphase and M phase is the dividing phase of cell . G1 prepares cell for DNA synthesis. S phase is the phase where DNA replication takes place. G2 phase prepares cell for cell division or M phase.

G1 phase preceeds replication or S phase and G1 phase licences DNA replication.

During other phases of cell cycle, ORC complex masks origin of replication. ORC phosphorylation takes place at S phase, which removes this omplex and unmasks origin of repication site so that replication machinery can bind to it.

DNA helicase activation: S phase

DNA helicase deposition on DNA at the replication origins: G phase (actually G1)

ORC phosphorylation: S phase

Licensing of replication origins : G phase (actually G1)

Hence correct choice should be:

SGSG

5 0
3 years ago
Of the following, which generally causes the greatest damage?
Trava [24]

Answer:

Pwave

Explanation:

The P wave can move through solid rocks and fluids, like water or the liquid layers of the earth. So yes, P waves is the right answer. I hope I help.

3 0
3 years ago
How is air pollution affecting global warming
Ahat [919]

Answer:

here is your answer

Explanation:

Global warming is primarily caused by emissions of too much carbon dioxide (CO2) and other heat-trapping gases into the atmosphere when we burn fossil fuels to generate electricity, drive our cars, and power our lives. Thus, as we continue to emit these gases, their atmospheric concentrations build up over time

8 0
3 years ago
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What happens in a chloroplast?
Vera_Pavlovna [14]

Answer:

Photosynthesis

Explanation:

The chloroplast creates glucose and oxygen, also the chloroplast has chlorophyll.

8 0
2 years ago
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Archaeologists unearthed a human skull with a small dried fragment of the scalp still attached. They extracted a tiny amount of
fomenos

Answer:

D. Use the polymerase chain reaction

Explanation:

Polymerase chain reaction (PCR) is a molecular technique used to make multiple copies or amplify  a particular DNA sample. This enables scientist conduct thorough genetic analysis on minute sample of DNA, simply by amplifying it to a large quantity.

The PCR machine is usually used to amplify DNA fragment. The DNA fragments undergo three major steps successively: denaturation, annealing and elongation

8 0
3 years ago
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