Which defenses require specific detection systems and signal transduction pathways that can sense the presence of an herbivore or pathogen and alter gene expression and metabolism accordingly

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#Question id: 359

#XL - S Microbiology

What is the concentration of OH− in a solution with an H+ concentration of 1.3 × 10^−4 M?

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#Question id: 2134

#XL - S Microbiology

The type of motion least common in biological membranes is:

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#Question id: 3019

#XL - S Microbiology

During which phase of growth are bacteria most susceptible to antibiotics?

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#Question id: 2380

#XL - Q Biochemistry

DNA and nuclear proteins together make up the.

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#Question id: 361

#XL - Q Biochemistry

Calculate the percentage of histidine that has its imidazole side chain protonated at pH 7.3. The pKa values for histidine are pK1 = 1.8, pK2 (imidazole) = 6.0, and pK3 = 9.2.