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TLS Online TPP Program
#Question id: 41052
#Unit 12. Biochemical Engineering
Q. Consider the following statements regarding thermodynamic forces, fluxes, and entropy production in biological/open systems:
P. Thermodynamic forces represent the driving tendency for a process to occur.
Q. For any spontaneous, irreversible process, the entropy production rate satisfies 𝝈≥𝟎.
R. At thermodynamic equilibrium, thermodynamic fluxes become maximal while entropy production drops to zero.
S. A non-zero thermodynamic flux driven by its conjugate force leads to continuous entropy production in irreversible processes.
Which of the following combinations of statements is CORRECT?
TLS Online TPP Program
#Question id: 41053
#Unit 12. Biochemical Engineering
Q. According to Fourier's law of heat conduction, the heat flux (𝑱𝒒) through a medium is related to the temperature gradient (𝜵𝑻). Which of the following equations correctly represents this constitutive relationship?
TLS Online TPP Program
#Question id: 41054
#Unit 12. Biochemical Engineering
Q. Consider heat flow across a biological tissue layer that behaves according to Fourier's law (𝑱𝒒=−𝒌𝜵𝑻). If the tissue undergoes a physiological change such that its thermal conductivity (𝒌) doubles, but the temperature gradient (𝜵𝑻) across the tissue is reduced to half of its original value, how will the new heat flux (𝑱𝒒′) compare to the initial heat flux (𝑱𝒒)?
TLS Online TPP Program
#Question id: 41055
#Unit 12. Biochemical Engineering
Q. In the constitutive equation for heat conduction, 𝑱𝒒=−𝒌𝜵𝑻, what is the physical significance of the negative sign?
TLS Online TPP Program
#Question id: 41071
#Unit 8. Inheritance Biology
Q. A researcher is studying a novel gene involved in eye development in Drosophila. They isolate a mutant strain where a single nucleotide insertion has occurred in the first exon of this gene. When a heterozygous fly (one mutant allele, one wild-type allele) is observed, its eyes develop completely normally. Based on the provided principles of genetic mutations, which of the following statements best characterizes this mutation?
TLS Online TPP Program
#Question id: 41072
#Unit 8. Inheritance Biology
Q.Which of the following scenarios is a dominant-negative mutation most likely to be observed?