Concerning disorders resulting from unstable expansion of tandem oligonucleotide repeats, which, if any of the following statements is false.

A) The expansions can occur in coding DNA in some cases, and in noncoding DNA in other cases.

B) The repeats are of a variable number of nucleotides (from three to six) in both coding DNA and noncoding DNA.

C) The expansions in noncoding DNA are generally much larger in size than those in coding DNA.

D) The expanded arrays in noncoding DNA always result in loss of function of the host gene or of a neighboring gene.

TLS Online TPP Program

#Question id: 934

#Unit 1. Structure and Function of Biomolecules

Nitrogen fixation may occur via all of the following bacteria, except

TLS Online TPP Program

#Question id: 935

#Unit 1. Structure and Function of Biomolecules

Microorganisms capable of fixing nitrogen into a form usable by animals obtain the energy for this process from ________.

TLS Online TPP Program

#Question id: 936

#Unit 1. Structure and Function of Biomolecules

At neutral pH, the main ionic form of ammonia is ________.

TLS Online TPP Program

#Question id: 937

#Unit 1. Structure and Function of Biomolecules

Glutamate dehydrogenase has different roles in different organisms. Which of these listed is mismatched?

TLS Online TPP Program

#Question id: 938

#Unit 1. Structure and Function of Biomolecules

Physiological roles for glutamate dehydrogenase include all of the following, except

TLS Online TPP Program

#Question id: 939

#Unit 1. Structure and Function of Biomolecules

Which of the following is/are true concerning transanimation reactions?