DNA from a strain of Bacillus subtilis with genotype a+b+ c+d+ e+ is used to transform a strain with genotype a - b- c- d-   e-. Pairs of genes are checked for co-transformation and the following results are obtained:

Pair of co-transform genes as follow

D-E,             E-C,                C-B,                  A-D

On the basis of these results, what is the order of the genes on the bacterial chromosome?

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#Question id: 11756

#Unit 7. System Physiology – Animal

A 65-year-old man has a heart attack and experiences cardiopulmonary arrest while being transported to the emergency room. The following laboratory values are obtained from arterial blood:

plasma pH = 7.12,

plasma PCO2 = 60mm Hg, and

plasma HCO3− concentration = 19 mEq/L.

Which of the following best describes his acid-base disorder?

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#Question id: 11185

#Unit 7. System Physiology – Animal

Use the information in the table to answer the question. Calculate the equilibrium potential for sodium. Assume a temperature of 37°C.

 

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#Question id: 28094

#Unit 6. System Physiology – Plant

Which of the following involved in the phosphorylation of LHCII complex when the pool of plastoquinone is in a highly reduced state 

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#Question id: 31137

#Unit 2. Cellular Organization

Transport of membrane and soluble proteins from one membrane-bounded compartment to another is mediated by: 

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#Question id: 17802

#Unit 9. Diversity of Life Forms

Which of the following was not a challenge for survival of the first land plants?