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TLS Online TPP Program

#Question id: 749

Which of the following is correct for the A form of DNA structures?

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. a wider than B form.

  2. more compressed structure in which the base pairs are tilted with respect to the helix axis, and actually lie off the axis.

  3. The helical repeat of the A-form is around 11 bp/turn

  4. All of the above are correct.

More Questions
TLS Online TPP Program

#Question id: 15174

#Unit 2. Cellular Organization

Pyrococcus abyssi and Pyrodictium occultum are hyperthermophiles found in hot areas of the seafloor. They usually do not grow well
TLS Online TPP Program

#Question id: 15175

#Unit 2. Cellular Organization

The cell membranes of psychrophilic microorganisms have high levels of _______ and remain semifluid when cold.
TLS Online TPP Program

#Question id: 15176

#Unit 2. Cellular Organization

Some Psychrophiles which can grow at maximum temperature of about 35°C, they are called as 
A. Obligatory psychrophiles
B. Facultative psychrophiles
C. Psychrotrophs
D. Mesophiles
Which combination given below is correct.
TLS Online TPP Program

#Question id: 15177

#Unit 2. Cellular Organization

Several mechanisms in alkalophiles for the maintenance of a neutral cytoplasmic pH have been proposed. The plasma membrane may be
TLS Online TPP Program

#Question id: 15178

#Unit 2. Cellular Organization

What does Salmonella typhimurium and E. coli synthesize as part of their acidic tolerance response.
TLS Online TPP Program

#Question id: 15179

#Unit 2. Cellular Organization

Escherichia coli, Neisseria gonorrhoeae, Trichomonas vaginalis bacterias are examples of