Practice Questions

TLS Online TPP Program

#Question id: 699

The three-dimensional conformation of a protein may be strongly influenced by amino acid residues that are very far apart in sequence. This relationship is in contrast to secondary structure, where the amino acid residues are:

#Unit 1. Molecules and their Interaction Relevant to Biology

always side by side.
generally near each other in sequence.
invariably restricted to about 7 of the 20 standard amino acids.
often on different polypeptide strands.

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TLS Online TPP Program

#Question id: 5448

#Unit 8. Inheritance Biology

Plant height control by 3 pair of polygene, two varieties of maize averaging 48 and 72 inches in height, respectively, are crossed. The F1 progeny is quite uniform averaging 60 inches in height. What is number of average phenotype out of 500 F2 plants?

TLS Online TPP Program

#Question id: 5449

#Unit 8. Inheritance Biology

Most behavioral traits are affected by many different genetic influences as well as environment. The best descriptor for such traits is:

TLS Online TPP Program

#Question id: 5450

#Unit 8. Inheritance Biology

Which of these definitions of heritability is most correct?

TLS Online TPP Program

#Question id: 5451

#Unit 8. Inheritance Biology

High heritability is best demonstrated in which of the following situations?