TLS Online TPP Program

#Question id: 5676


The importance of dynein can be seen in individuals with a genetic syndrome known as the Kartagener triad. which of the following statement is correct?

#Unit 5. Developmental Biology
  1. These individuals lack functional dynein in all their ciliated and flagellated cells, rendering these structures immotile.

  2. Dynein is an ATPase—an enzyme that hydrolyzes ATP, converting the released mechanical energy into chemical energy that propels the sperm.

  3. Only mens are affected by this syndrome are susceptible to bronchial infections (immotile respiratory cilia).

  4. Infected men have a 50% chance of having the heart on the left side of the body.

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TLS Online TPP Program

#Question id: 11282

#Unit 10. Ecological Principles

Which of the following ecosystems would likely have the largest net primary productivity per hectare and why?

TLS Online TPP Program

#Question id: 11283

#Unit 10. Ecological Principles

Herbivore ingests plant material with 1000 k j energy form producer and assimilated only 200 k J energy in their blood stream; additionally herbivore invests 120 k j energy in their maintenance. What is production efficiency of that herbivore?

TLS Online TPP Program

#Question id: 11284

#Unit 10. Ecological Principles

Which of the following could qualify as a top-down control on a grassland community?

TLS Online TPP Program

#Question id: 11285

#Unit 10. Ecological Principles

Terrestrial herbivores are animals that eat only plants and their digestive systems contain microbes that aid in the digestion of cellulose, Carnivores eat primarily animal flesh or fluids. Which of the following is correct is correct statement?

TLS Online TPP Program

#Question id: 11286

#Unit 10. Ecological Principles

Consumption, assimilation, and production efficiencies are measures of ecological efficiency. Following some statements are correct?

(A) Consumption efficiencies for carnivores are typically higher than those of herbivores

(B) Assimilation efficiencies of herbivore are often less than consumption efficiencies

(C) Vertebrates tend to have lower production efficiencies than invertebrates

TLS Online TPP Program

#Question id: 11287

#Unit 10. Ecological Principles

What is value of evenness in community 3 and 4 respectively?