Practice Questions

TLS Online TPP Program

#Question id: 4125

Which of the following are features of the wobble hypothesis?

#Unit 3. Fundamental Processes

A naturally occurring tRNA exists in yeast that can read both arginine and lysine codons.
A tRNA can recognize only one codon.
Some tRNAs can recognize codons that specify two different amino acids, if both are nonpolar.
The “wobble” occurs only in the first base of the anticodon.

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TLS Online TPP Program

#Question id: 5538

#Unit 5. Developmental Biology

The first truly vertebrate phase of development is manifested by the formation of the

TLS Online TPP Program

#Question id: 5539

#Unit 5. Developmental Biology

When does neurulation occur during human pregnancy?

TLS Online TPP Program

#Question id: 5540

#Unit 5. Developmental Biology

A new-born infant attains maternal antibodies from the mother's

TLS Online TPP Program

#Question id: 5541

#Unit 5. Developmental Biology

What is the valued average rate at which the human brain produces neurons during development?

TLS Online TPP Program

#Question id: 5542

#Unit 5. Developmental Biology

One stage of cleavage is the morula stage which is:

TLS Online TPP Program

#Question id: 5543

#Unit 5. Developmental Biology

What is the purpose of the chorion in terrestrial vertebrate embryos?