Practice Questions

TLS Online TPP Program

#Question id: 4949

What probably accounts for the switch to DNA-based genetic systems during the evolution of life on Earth?

#SCPH28 | Zoology

DNA is chemically more stable and replicates with fewer errors (mutations) than RNA.
Only DNA can replicate during cell division.
RNA is too involved with translation of proteins and cannot provide multiple functions.
DNA forms the rod-shaped chromosomes necessary for cell division.

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TLS Online TPP Program

#Question id: 5567

#SCPH01 Biochemistry

The cortical reaction of sea urchin eggs functions directly in ________.

TLS Online TPP Program

#Question id: 19501

#SCPH05 I Biotechnology

The electronic configuration of chromium (Z=24) is:

TLS Online TPP Program

#Question id: 3003

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

Which statement best characterizes the behavior of a bacterial culture during EXPONENTIAL GROWTH?

TLS Online TPP Program

#Question id: 10521

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

Which is an example of a plant-derived DAMP found in tomato that is produced in response to wounding associated with herbivore activity?

TLS Online TPP Program

#Question id: 19983

#SCPH05 I Biotechnology

If (TH is the change In enthalpy and the change in tunnel enemy accompanying a gement medico reaction