Practice Questions

TLS Online TPP Program

#Question id: 4180

The anticodon of tRNAala can bind to three different codons for alanine (GCU, GCC and GCA) because

#Unit 3. Fundamental Processes

there are different bases at the 5ʹ end position of the anticodon.
there are different bases at the 3ʹ end position of the anticodon.
the base at the 5ʹ position of the anticodon is I and is the wobble position.
the base at the 3ʹ position of the anticodon is I and is the wobble position.

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TLS Online TPP Program

#Question id: 12766

#Unit 10. Ecological Principles

Which of the following statements about the evolution of life histories is correct?

TLS Online TPP Program

#Question id: 12767

#Unit 10. Ecological Principles

Your friend comes to you with a problem. It seems his shrimp boats aren’t catching nearly as much shrimp as they used to. He can’t understand why because originally he caught all the shrimp he could handle. Each year he added a new boat, and for a long time each boat caught tons of shrimp. As he added more boats, there came a time when each boat caught somewhat fewer shrimp, and now, each boat is catching a lot less shrimp. Which of the following topics might help your friend understand the source of his problem?

TLS Online TPP Program

#Question id: 12768

#Unit 10. Ecological Principles

Carrying capacity is

TLS Online TPP Program

#Question id: 12769

#Unit 10. Ecological Principles

Which of the following graphs refer to this equation?

TLS Online TPP Program

#Question id: 12770

#Unit 10. Ecological Principles

Which of the following graphs illustrates the population growth curve of single bacterium growing in a flask of ideal medium at optimum temperature over a 24 -hour period?

TLS Online TPP Program

#Question id: 12771

#Unit 10. Ecological Principles

Which of the following graphs illustrates the growth curve of a small population of rodents that has grown to reach a static carrying capacity?