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TLS Online TPP Program

#Question id: 688

Pauling and Corey’s studies of the peptide bond showed that:

#XL - Q Biochemistry

  1. at pH 7, many different peptide bond conformations are equally probable.

  2. peptide bonds are essentially planar, with no rotation about the C—N axis.

  3. peptide bonds in proteins are unusual, and unlike those in small model compounds.

  4. peptide bond structure is extraordinarily complex.

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TLS Online TPP Program

#Question id: 34075

#XL - S Microbiology

Which of the following are examples of substrates transported by ABC importers in prokaryotes?
TLS Online TPP Program

#Question id: 34076

#XL - S Microbiology

Which of the following are methods used to obtain a pure culture in microbiology?
A. Streak plate method
B. Pour plate method
C. Spread plate method
D. Roll-tube method
E. Enrichment culture
TLS Online TPP Program

#Question id: 34077

#XL - S Microbiology

Which of the following statements are true regarding the streak plate method?
TLS Online TPP Program

#Question id: 34078

#XL - S Microbiology

In the pour plate method, which of the following steps are involved?
TLS Online TPP Program

#Question id: 34079

#XL - S Microbiology

Which of the following are advantages of the spread plate method?
TLS Online TPP Program

#Question id: 34080

#XL - S Microbiology

Which of the following are characteristics of the roll-tube method?