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TLS Online TPP Program

#Question id: 54

About 25 of the 92 natural elements are known to be essential to life. Which 4 of these 25 elements make up approximately 96% of living matter?

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. carbon, sodium, hydrogen, nitrogen

  2. carbon, oxygen, phosphorus, hydrogen

  3. oxygen, hydrogen, calcium, nitrogen

  4. carbon, hydrogen, nitrogen, oxygen

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TLS Online TPP Program

#Question id: 5833

#Unit 8. Inheritance Biology

In E. coli, the MutS, MutH, MutL, and MutU proteins are involved in which DNA repair mechanism?
TLS Online TPP Program

#Question id: 5832

#Unit 8. Inheritance Biology

Mutagenic agents that can cause cancer are known specifically as:
TLS Online TPP Program

#Question id: 5831

#Unit 8. Inheritance Biology

Mutations can be caused by which of the following?
TLS Online TPP Program

#Question id: 5830

#Unit 8. Inheritance Biology

Base-pair additions and deletions are collectively referred to as ___ due to their changes in base-pair triplets.
TLS Online TPP Program

#Question id: 5829

#Unit 8. Inheritance Biology

Transitions are base pair substitutions where:
TLS Online TPP Program

#Question id: 5828

#Unit 8. Inheritance Biology

__ are chemical fluctuations where hydrogen atoms move from one position to another, such as from one position in a purine to another.