In a sequence database of a given size, which of the following expressions is likely to retrieve more matches (X means any amino acid; any of the residues in square brackets can occupy that position)?

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#Question id: 2306

#I Life Science/ Life Sciences Group – I-V

The cells of the Eukarya can grow larger than the cells of the Bacteria or the Archaea because:

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#Question id: 345

#SCPH05 I Biotechnology

As the [H₃O⁺] of the solution decreases, the [OH-] ________.

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#Question id: 555

#SCPH01 Biochemistry

The double-reciprocal transformation of the Michaelis-Menten equation, also called the Lineweaver-Burk plot, is given by To determine Km from a double-reciprocal plot, you would:

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#Question id: 764

#SCPH01 Biochemistry

Which of the following is NOT correct about tRNA?

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#Question id: 5566

#SCPH01 Biochemistry

In some rare salamander species, all individuals are females. Reproduction relies on those females having access to sperm from males of another species. However, the resulting embryos receive no genetic contribution from the males. Why do you think sperm are necessary for reproduction?