TLS Online TPP Program

#Question id: 9242


Eutrophication is often caused by excess limiting-nutrient runoff from agricultural fields into aquatic ecosystems. This process results in massive algal blooms that eventually die and decompose, ultimately depleting the dissolved oxygen, killing large numbers of fish and other aquatic organisms. Predict which of the following human actions would best address the problem of eutrophication near agricultural areas?

#SCPH28 | Zoology
  1. After each eutrophication event, remove the dead fish and invertebrates to place on agricultural fields instead of fertilizer.

  2. Determine which limiting nutrient is responsible for the algal bloom, and use other fertilizers to apply to crops.

  3. Remove the algae before it dies and decomposes to prevent eutrophication from occurring.
  4. Determine critical nutrient loads required for certain crops, and do not exceed this amount during fertilizer application.

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TLS Online TPP Program

#Question id: 7010

#SCPH01 Biochemistry

After anchor cell formation, When LIN-12 is used again during vulva formation, it is activated by the primary vulval lineage to

TLS Online TPP Program

#Question id: 7010

#SCPH28 | Zoology

After anchor cell formation, When LIN-12 is used again during vulva formation, it is activated by the primary vulval lineage to

TLS Online TPP Program

#Question id: 7011

#SCPH01 Biochemistry

The vertebrate brain and spinal cord start their development as a flat plate of neuroepithelial cells that folds up along most of its length to form a tube. The process of forming this neural tube is called neurulation. Which of the following signals play important role in both neurulation and cell fate patterning of neural tube?

TLS Online TPP Program

#Question id: 7011

#SCPH28 | Zoology

The vertebrate brain and spinal cord start their development as a flat plate of neuroepithelial cells that folds up along most of its length to form a tube. The process of forming this neural tube is called neurulation. Which of the following signals play important role in both neurulation and cell fate patterning of neural tube?

TLS Online TPP Program

#Question id: 7012

#SCPH01 Biochemistry

The differentiated cells divide but maintain their differentiated functions. The new cells do not come from stem cells, nor do they come from the dedifferentiation of the adult cells. Each cell produces cells similar to itself; no mass of undifferentiated tissue forms. This type of regeneration is:

TLS Online TPP Program

#Question id: 7013

#SCPH01 Biochemistry

In Drosophila development, cell membranes do not form until after the: