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TLS Online TPP Program

#Question id: 8845

The experimental approach taken in current biological investigations presumes that

#SCPH28 | Zoology
  1. simple organic compounds can be synthesized in the laboratory from inorganic precursors, but complex organic compounds like carbohydrates and proteins can only be synthesized by living organisms.
  2. living organisms can be understood in terms of the same physical and chemical laws that can be used to explain all natural phenomena.
  3. although a life force, or vitalism, exists in living organisms, this life force cannot be studied by physical or chemical methods.
  4. living organisms are composed of the same elements present in nonliving things, plus a few special trace elements found only in living organisms or their products. 
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TLS Online TPP Program

#Question id: 4352

#SCPH01 Biochemistry

How does extracellular glucose inhibit transcription of the lac operon?
TLS Online TPP Program

#Question id: 3690

#SCPH28 | Zoology

The DNA polymerase is a template-directed enzyme that synthesizes new complementary strand from a parent strand but it requires the existing short nucleotide sequence for its elongation. Which of the following enzyme is required for the synthesis of this primer?
TLS Online TPP Program

#Question id: 1690

#SCPH05 I Biotechnology

Which of the following statements is NOT TRUE of affinity?
TLS Online TPP Program

#Question id: 2072

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

Which of the following structures would decrease the electrochemical gradient across a membrane?
TLS Online TPP Program

#Question id: 592

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

The expression: Vmax = k2[E]total applies to