Most bacteria are inhibited by a pH of
A. 7.2.
B. 7.0.
C. 6.0.
D. 4.5
D. 4.5
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A process in which the plasma membrane surrounds particles and brings them into the cell is called exocytosis
1.True 2.False
Who is considered to be the father of modern antibiotics?
A. Domagk B. Watson C. Chargaff D. Crick E. Fleming
Which of the following is a reason why DNA sequencing alone is not sufficient in identifying sequences that encode proteins?
a) Methylation of certain regions of the DNA sequence. b) The presence of introns in the coding regions. c) Degeneracy in the genetic code. d) The presence of pseudo genes. e) The abundance of start and stop codons in the DNA sequence
The capacity for some tRNAs to recognize more than one codon in mRNA is explained by a phenomenon called
a. redundancy. b. wobble. c. a reading frameshift. d. degeneracy.