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TLS Online TPP Program

#Question id: 4125

Which of the following are features of the wobble hypothesis?

#Unit 3. Fundamental Processes

  1. A naturally occurring tRNA exists in yeast that can read both arginine and lysine codons.

  2. A tRNA can recognize only one codon.

  3. Some tRNAs can recognize codons that specify two different amino acids, if both are nonpolar.

  4. The “wobble” occurs only in the first base of the anticodon.

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TLS Online TPP Program

#Question id: 11201

#Unit 7. System Physiology – Animal

Why are action potentials usually conducted in one direction?
TLS Online TPP Program

#Question id: 920

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of these is able to cross the inner mitochondrial membrane?
TLS Online TPP Program

#Question id: 3665

#Unit 3. Fundamental Processes

Which of the following is true for Tandem-duplication mutations?
TLS Online TPP Program

#Question id: 18223

#Unit 11. Evolution and Behavior

The origin of indirect evidence of life, no recognizable fossils except bacteria (microfossils) was during which geological eras?
TLS Online TPP Program

#Question id: 5706

#Unit 8. Inheritance Biology

Species A has 2n = 16 chromosomes and species B has 2n = 14. How many chromosomes would be found in an allotriploid of these two species?