Practice Questions

TLS Online TPP Program

#Question id: 4328

Which of the following statements about the DNA in one of your brain cells is true?

#SCPH01 Biochemistry

Most of the DNA codes for protein.
The majority of genes are likely to be transcribed.
It is the same as the DNA in one of your liver cells.
Each gene lies immediately adjacent to an enhancer.

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TLS Online TPP Program

#Question id: 24445

#SCPH01 Biochemistry

An electrocardiogram is a painless, noninvasive way to help diagnose many common heart problems. Which of the following would not diagnose by ECG?

TLS Online TPP Program

#Question id: 559

#SCPH01 Biochemistry

In competitive inhibition, an inhibitor:

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#Question id: 12730

#SCPH06 I Botany

A single strand of ____ ribonucleotides forms four double stranded stem regions by pairing the bases.

TLS Online TPP Program

#Question id: 18681

#SCPH01 Biochemistry

Highly heterogeneous mixtures of proteins such as cell lysates or tissue extracts should be completely fractionated into individual proteins so as to obtain an overall picture of the protein composition and to enable location of individual proteins. The highest resolution is obtained

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#Question id: 18635

#SCPH05 I Biotechnology

Number of unrooted trees in a phylogeny of five sequences is –