Practice Questions

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#Question id: 4760

you set up a cross between true breeding wild type male fruit flies and true breeding female flies with a yellow body color. you notice in the f1 generation that half the flies, specifically all the males, have yellow body color while the females are wild type (gray). which of the following explanations is the most likely?

#SCPH01 Biochemistry

some of your females had already mated with yellow males before you collected them.
some of your parental flies must have had a new mutation in their germ cells.
the mutation which causes yellow body color is on the x chromosome.
the mutation which causes yellow body color is on the y chromosome

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#Question id: 917

#SCPH01 Biochemistry

The glycerol produced from the hydrolysis of triacylglycerides enters glycolysis as:

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#Question id: 1786

#SCPH05 I Biotechnology

Which of the enzyme can cleave C3 and C4 complement protein

TLS Online TPP Program

#Question id: 10991

#SCPH06 I Botany

When recording lead I on an EKG, the right arm is the negative electrode, and the positive electrode is the

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#Question id: 10722

#SCPH28 | Zoology

Community 1 contains 100 individuals distributed among four species (A, B, C, and D). Community 2 contains 100 individuals distributed among three species (A, B, and C). Community 1: 5A, 5B, 85C, 5D Community 2: 30A, 40B, 30C Calculate the Shannon diversity (H) for each community.

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#Question id: 10334

#SCPH05 I Biotechnology

N2 combines with hydrogen to form ammonia under elevated temperature (about 200°C) and high pressure (about 200 atmospheres) and in the presence of a metal catalyst (usually iron). The extreme conditions are required to overcome the high activation energy of the reaction. This nitrogen fixation reaction, called