You observed the two species of barnacles, P. aurelia and P. caudatum, occupy upper and lower strata of intertidal rocks, respectively. Only when P. caudatum was removed by you from the lowers strata, P. aurelia could occupy both the upper and lower strata. From the choice given below what would be your inference from these observations.

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#Question id: 27420

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following membrane do not have cholesterol

1.Plasma membrane (E. coli)

2.Outer mitochondrial membrane (cauliflower)

3.Inner mitochondrial membrane (cauliflower)

4.Chloroplast inner membrane

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#Question id: 17265

#Unit 11. Evolution and Behavior

Match the geological time period with the diversification events associated with them:

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#Question id: 684

#Unit 1. Molecules and their Interaction Relevant to Biology

Protein subunits in a multisubunit protein are held to each other primarily by

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#Question id: 2507

#Unit 2. Cellular Organization

Differences in microtubular stability and function between different cells (or different locations within a cell) may be due to which of the following?

A. the expression of different tubulin isoforms

B. the number of protofilaments composing a single microtubule

C. the presence of different MAPs

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#Question id: 4909

#Unit 8. Inheritance Biology

A pattern of transmission where all offspring have the same phenotype as their mother is consistent with which type of non-Mendelian inheritance?