Practice Questions

TLS Online TPP Program

#Question id: 2145

An electrogenic Na+ transporter:

#SCPH28 | Zoology

catalyzes facilitated diffusion of Na+ from a region of high Na+ concentration to one of lower Na+ concentration.
must catalyze an electron transfer (oxidation-reduction) reaction simultaneously with Na+ transport.
must transport both Na+ and a counterion (Cl–, for example).
transports Na+ without concurrent transport of any other charged species.

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TLS Online TPP Program

#Question id: 23257

#SCPH28 | Zoology

Centromeric probes are useful in identifying

TLS Online TPP Program

#Question id: 14832

#I Life Science/ Life Sciences Group – I-V

The characteristic virulence factor of S. pneumoniae is

TLS Online TPP Program

#Question id: 16009

#SCPH01 Biochemistry

BLAST uses a ______ to find matching words, whereas FASTA identifies identical matching words using the ______.

TLS Online TPP Program

#Question id: 351

#SCPH05 I Biotechnology

If the cytoplasm of a cell is at pH 7, and the mitochondrial matrix is at pH 8, then the concentration of H+ ions ________.

TLS Online TPP Program

#Question id: 11076

#SCPH28 | Zoology

Which of the following will decrease pulmonary blood flow resistance?