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Nesterboy [21]
3 years ago
7

What causes plants to respond positively to sunlight?

Biology
2 answers:
Vikki [24]3 years ago
7 0
<span>Auxin. Cells on the plant that are farthest from a light source have a chemical called auxin cause the cells to elongate. The plant bends towards the light. </span>
Vanyuwa [196]3 years ago
3 0
Auxin causes plants to respond positively to sunlight because these are chemicals in plants that are far from a light resource, which causes the plant to bend towards the sun.<span />
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Semi-conservative DNA replication:

The semi-conservative model of DNA replication explains that the newly synthesized daughter DNA molecule contains one newly synthesized strand and one parental strand. This model of replication is important and explains the biological significance of replication. The DNA unwinds in this mode of replication.

Conservative model of DNA replication:

The conservative model of DNA replication explains that the newly synthesized daughter DNA molecules has the one DNA helix of parent and the other DNA helix are entirely new. This model does not has a biological significance. The DNA is not unwinds in this mode of replication.

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