What will be the buoyant density of a duplex DNA having 60% GC sequences

TLS Online TPP Program

#Question id: 12602

#Unit 10. Ecological Principles

Aquatic primary productivity is most limited by which of the following?

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#Question id: 12603

#Unit 10. Ecological Principles

As big as it is, the ocean is nutrient-limited. If you wanted to investigate this, one reasonable avenue would be to

TLS Online TPP Program

#Question id: 12604

#Unit 10. Ecological Principles

Which of the following ecosystems would likely have a larger net primary productivity/hectare? 

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#Question id: 12605

#Unit 10. Ecological Principles

How is it that satellites can detect differences in primary productivity on Earth? 

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#Question id: 12606

#Unit 10. Ecological Principles

A porcupine eats 3,000 J of plant material. 1,600 J is indigestible and is eliminated as feces. 1,300 J are used in cellular respiration. What is the approximate production efficiency of this animal?

TLS Online TPP Program

#Question id: 12607

#Unit 10. Ecological Principles

Which of the following lists of organisms is ranked in correct order from lowest to highest percent in production efficiency?