Why is the inactivation of a useful technique to determine the function of a gene?
A. Gene inactivation provides information about the expression of a gene
B. Gene inactivation provides information about the cellular location of a gene product
C. Gene inactivation provides an opportunity to identify phenotypic changes associated with the loss of the functional gene
D. Gene inactivation provides information about the structure of the gene product
Answer: Option C
This Question Belongs to Biotechnology Engineering >> Basic Principles Of Biotechnology
A. Reverse transcriptase
B. Cytochrome c
C. Bacterial RNA polymerase
D. RNase P
All the following may be methods for the inhibition of microbial growth by antibiotics except
A. Antibiotics disrupt cell wall synthesis
B. Antibiotics interfere with cell membrane function
C. Antibiotics prevent the release of energy from ATP
D. Antibiotics inhibit the synthesis of protein
A feature common to almost all transmembrane proteins is
A. A phosphorylated exterior domain
B. A structure consisting almost exclusively of beta-sheets
C. An amino acid sequence rich in acidic residues
D. An alpha-helical region of about 20 to 25 hydrophobic amino acids
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