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Law Incorporation [45]
3 years ago
11

Which plant cells are involved in transporting water and minerals

Biology
1 answer:
Oliga [24]3 years ago
6 0

Answer:

Xylem,phloem and tissues from vascular systems produce stem

Xylem + phloem+ tissues from vascular systems = stem ( transport systems)

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Which of these examples does NOT depend on the population size of organisms living in an area (density-independent)?
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The data obtained from the meselson–stahl experiment after one generation of replication eliminated the dispersive model of dna
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<h2>Given statement is false</h2>

Explanation:

According to dispersive model of DNA replication,DNA molecules are hybrids of parental and daughter DNA;In this model each individual strand is a combination of original and new DNA

Meselson and Stahl did an experiment on DNA replication using E.coli bacteria

  • E.coli was grown in a medium containing heavy isotope of nitrogen,bacteria took up the nitrogen and used to synthesize new biological molecules,including DNA
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  • Bacteria were then switched to light nitrogen isotope and allowed to grow for several generations
  • They then measured the density of the DNA using density gradient centrifugation
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Is during mitosis when the cell is most vulnerable
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Which best explains the surface tension of water?
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The best term that fits the description of the term surface tension of water is cohesion.

Cohesion is the intermolecular forces that holds together the particles of liquids and solids.

  • Surface tension is a phenomenon in liquids that causes them to come together more and shrink on the surface.
  • Surface tension is made possible by cohesive forces between water- water molecules.
  • Adhesion is between different molecules like water and glass.
  • In capillary action, a liquid is able to rise up in a column
  • Sublimation is a phase change from solid to gas.

learn more:

Capillary action brainly.com/question/1799421

#learnwithBrainly

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