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Gnom [1K]
3 years ago
15

Millions of years ago, plants evolved from living in the water, to living on land. Name and describe the structures and mechanis

ms used by plants today to survive in a dry (land) environment.
Biology
1 answer:
Ronch [10]3 years ago
5 0

Answer:

desiccation tolerance, alternation of generation

Explanation:

  • Adaptation to life on land, took place by desiccation tolerance that is the ability of the organism to stand or endure extreme dryness and the alternation of generations such as the life cycle changes in which the haploids and diploids change or show haplodiplontic.  
  • The development of the phloem and xylem tissues for distribution of water and intake up of minerals from the soil. Development of stem for gas exchange. Some plants have defense strategies for the dry environments such as seedless sprout growth.
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3 years ago
In blank each daughter cell receives an expert copy of 100% of the parent cell DNA
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5 0
3 years ago
"Cells in the lining of the stomach produce a protein called pepsinogen. When this protein is released into the chamber of the s
Sergio [31]

This is an example of Precursor gene regulation (protein translation) type of eukaryotic gene regulation.

<u>Explanation:</u>

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Once food is consumed, the hormone gastrine and the vagus nerve cause the secretion of both pepsinogen and HCl from the stomach lining. Hydrochloric acid induces an acidic environment that allows pepsinogen to unfold in an autocatalytic manner and thus generates pepsin the active form.

4 0
3 years ago
How will the movement of water affect a survey if it is transferred from a hypotonic solution to a hypertonic solution?
Inga [223]

Answer:

The cell will shrink

Explanation:

In an hypotonic solution, water moves into the cell through the process of osmosis. This shall be due to the high concentration of water in the hypotonic solution than that in the cytoplasm.

Due to this movement, the cell bulges out.

If the cell is transferred to a hypertonic solution, water shall move out of the cell thereby making the cell shrink. This is because water concentration in the cytoplasm shall be higher than that in the hypertonic solution.

Effect to the survey shall be an experience of the exact opposite of the previous immersion.

3 0
3 years ago
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