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TLS Online TPP Program

#Question id: 9238

Which of the following is a consequence of biological magnification?

#SCPH06 I Botany

  1. Toxic chemicals in the environment pose greater risk to top-level predators than to primary consumers.

  2. Populations of top-level predators are generally smaller than populations of primary consumers.

  3. Only a small portion of the energy captured by producers is transferred to consumers.

  4. The amount of biomass in the producer level of an ecosystem decreases if the producer turnover time increases

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TLS Online TPP Program

#Question id: 15581

#SCPH05 I Biotechnology

Which one of the following factors does not influence the rate of oxygen transfer in an aerobic fermentation system ?
TLS Online TPP Program

#Question id: 14831

#SCPH05 I Biotechnology

A spirochete is a member of the phylum Spirochaetota, which contains distinctive diderm gram-negative bacteria, most of which have long, helically coiled cells. Movement of spirochetes occurs by means of structures called 
TLS Online TPP Program

#Question id: 12941

#SCPH01 Biochemistry

Name the therapeutic protein which has been used to successfully treat certain types of breast cancer.
TLS Online TPP Program

#Question id: 379

#SCPH05 I Biotechnology

A compound has a pKa of 7.4. To 100 mL of a 1.0 M solution of this compound at pH 8.0 is added 30 mL of 1.0 M hydrochloric acid. The resulting solution is pH:
TLS Online TPP Program

#Question id: 13032

#SCPH28 | Zoology

In SDS-PAGE, protein sample is first treated with detergent sodium dodecyl sulfate (SDS), in order to