Which of the following ecosystem that is lower Productivity/Biomass ratios and energy transfer rates to higher trophic levels are slower 

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#Question id: 19306

#Unit 12. Applied Biology

35S promoter sequence is derived from which plant virus

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#Question id: 19105

#Unit 4. Cell Communication and Cell Signaling

The type III secretion system (T3SS), to deliver bacterial effector proteins into the plant cell have been identified to be secretion of enzymes which causes dead of the plant, these enzymes are;

a) Phosphatases

b) Proteases 

c)  Lyases

d) Isomerase

e) Ligase

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#Question id: 1275

#Unit 4. Cell Communication and Cell Signaling

The functions of the extracellular matrix include:

a. supporting differentiation.

b. inducing morphogenesis.

c. binding growth hormones.

d. repairing damaged tissue

which of the following combination is correct?

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#Question id: 884

#Unit 1. Molecules and their Interaction Relevant to Biology

The hydrogen bonds, which are central features of protein structures, then what is the reason behind it makes only minor contributions to protein stability?

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#Question id: 4989

#Unit 11. Evolution and Behavior

If the malesʹ halteres have species-specific size, shape, color, and use in courtship displays, and if the speciesʹ ranges overlap, then the speciation events may have been driven, at least in part, by which of the following?