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TLS Online TPP Program

#Question id: 221

Which statement is false about 5,6,7,8-tetrahydrobiopterin?

#Section 2: General Biology

  1. It is required by the enzyme that catalyzes the synthesis of nitric oxide from arginine.

  2. It is synthesized by animals and other organisms.

  3. It is used in the transfer of phosphate groups during DNA synthesis.

  4. It is a reducing agent in the conversion of phenylalanine to tyrosine.

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TLS Online TPP Program

#Question id: 338

#Section 2: General Biology

What is the difference between covalent bonds and ionic bonds?
TLS Online TPP Program

#Question id: 341

#Section 2: General Biology

 Which force can stabilize a DNA double-helix?
TLS Online TPP Program

#Question id: 342

#Section 2: General Biology

In a single molecule of water, two hydrogen atoms are bonded to a single oxygen atom by ________.
TLS Online TPP Program

#Question id: 342

#Section 4: Fundamentals of Biological Engineering

In a single molecule of water, two hydrogen atoms are bonded to a single oxygen atom by ________.
TLS Online TPP Program

#Question id: 343

#Section 2: General Biology

Assume that acid rain has lowered the pH of a particular lake to pH 5.0. What is the hydroxide ion concentration of this lake?
TLS Online TPP Program

#Question id: 343

#Section 4: Fundamentals of Biological Engineering

Assume that acid rain has lowered the pH of a particular lake to pH 5.0. What is the hydroxide ion concentration of this lake?