Practice Questions

TLS Online TPP Program

#Question id: 19138

Which of the following statement is correct?

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

BLOSUM matrices may have less evolutionary meaning than the PAM matrices.
BLOSUM matrices are entirely derived from local sequence alignments of conserved sequence blocks, whereas the PAM1 matrix is based on the global alignment of full-length sequences
PAM matrices are derived from an evolutionary model whereas the BLOSUM matrices consist of entirely direct observations
All of the above

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TLS Online TPP Program

#Question id: 32

#SCPH01 Biochemistry

Humans maintain a nearly constant level of hemoglobin by continually synthesizing and degrading it. This is an example of a(n):

TLS Online TPP Program

#Question id: 7752

#SCPH01 Biochemistry

The autophagy pathway included____

a) the catabolic mechanism that delivers cellular components to lysosomes, where they are degraded

b) Autophagy protects the cell from the harmful or lethal effects of damaged or unnecessary proteins and organelles

c) During starvation, the autophagic breakdown and recycling of cellular components also

ensure cellular survival by maintaining cellular energy levels

Which of the following are the correct prediction about autophagy is true?

TLS Online TPP Program

#Question id: 548

#SCPH01 Biochemistry

Which one of the following statements is true of enzyme catalysts?

TLS Online TPP Program

#Question id: 10562

#SCPH05 I Biotechnology

The direction and rate of water flow across a membrane are determined by

TLS Online TPP Program

#Question id: 4136

#SCPH28 | Zoology

Which of the following is(are) true for protein synthesis in eukaryotes?