Practice Questions

TLS Online TPP Program

#Question id: 4585

The cow Bos primigenius (which is bred for meat and milk) has a smaller brain and larger eyes than closely related wild species of ungulates. These traits most likely arose by ________.

#SCPH05 I Biotechnology

natural selection, because these traits evolved in the population over time
natural selection, because these traits were not consciously selected by humans
artificial selection, because changes in these traits co-occurred with human selection for high milk output and high muscle content
artificial selection, because these animals differ from their close relatives and common ancestor

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TLS Online TPP Program

#Question id: 7698

#SCPH06 I Botany

Which tree shows the greatest evolutionary distance between chytrids and ascomycetes?

TLS Online TPP Program

#Question id: 17274

#SCPH01 Biochemistry

which of the following statement is incorrect about PSI-BLAST?

TLS Online TPP Program

#Question id: 2089

#SCPH01 Biochemistry

What type of single-pass membrane protein would contain a hydrophobic membrane spanning alpha-helix?

TLS Online TPP Program

#Question id: 14821

#SCPH06 I Botany

Measles that damages the body defenses and is frequently complicated by secondary infections are primarily

TLS Online TPP Program

#Question id: 572

#SCPH05 I Biotechnology

Which of the following has not been shown to play a role in determining the specificity of protein kinases?