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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?

#Unit 9. Diversity of Life Forms

  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: 1752

#Unit 4. Cell Communication and Cell Signaling

Dendritic cells can be driven from a resting state to an activated state by the T-cell surface molecule:
TLS Online TPP Program

#Question id: 1804

#Unit 4. Cell Communication and Cell Signaling

An example of a peptide hormone produced by the thymus is:
TLS Online TPP Program

#Question id: 11794

#Unit 1. Molecules and their Interaction Relevant to Biology

Glypicans are derivatives of
TLS Online TPP Program

#Question id: 11223

#Unit 7. System Physiology – Animal

Of those listed, which event occurs first following a depolarizing stimulus applied to the presynaptic membrane of an axon terminal?
TLS Online TPP Program

#Question id: 20021

#Unit 12. Applied Biology

Which one of the following can send electrical impulses into the body to reduce pain?