Practice Questions

TLS Online TPP Program

#Question id: 4148

Which of the following is true about the sorting pathway for proteins destined for incorporation into lysosomes or the plasma membrane of eukaryotic cells?

#Unit 3. Fundamental Processes

Binding of SRP to the signal peptide and the ribosome temporarily accelerates protein synthesis.
The newly synthesized polypeptides include a signal peptide at their carboxyl termini.
The signal peptide is cleaved off inside the mitochondria by signal peptidase.
The signal recognition particle (SRP) binds to the signal peptide soon after it appears outside the ribosome.

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TLS Online TPP Program

#Question id: 24671

#Unit 2. Cellular Organization

Cholesterol and phospholipids are transported between organelles by

i. Golgi-dependent mechanisms.

ii. incompletely characterized vesicle populations.

iii. direct contact between membranes and, to some extent, small, soluble lipid-transfer proteins.

Which of the following statements are correct?

TLS Online TPP Program

#Question id: 5288

#Unit 8. Inheritance Biology

Donor strain of bacteria with His+ Ara+ Met+ Leu+ Cys+ Lys+ is infected with phages to map the donor chromosome with generalized transduction .The Phage lysate from bacterial cell is collected and use to infect second strain of bacteria that are His- Ara- Met- Leu- Cys- Lys- . Different transducing phages are selected on using different minimal media and their presence of growth (+) and absence of growth (-) given in table

Media	Media supplement 0 absent /+ present
1	His	Ara	Met	Leu	Cys	Lys	Growth
2	+	+	0	+	+	0	+
3	0	+	+	+	+	0	+
4	+	+	0	+	0	+	-
5	0	+	+	0	+	+	+
6	+	0	+	0	+	+	+
7	+	0	+	+	0	+	+

Which of the following is correct order of gene?

TLS Online TPP Program

#Question id: 8709

#Unit 9. Diversity of Life Forms

Eukaryotes that are not closely related and that do not share many anatomical similarities can still be placed together on the same phylogenetic tree by comparing their ________.

TLS Online TPP Program

#Question id: 28050

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following does not lead to exposure of hydrophobic amino acids on the surface of a protein?

TLS Online TPP Program

#Question id: 26396

#Unit 3. Fundamental Processes

Licensing factor can only used once during

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Nurturing Life Sciences

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Nurturing Life Sciences

Which of the following is true about the sorting pathway for proteins destined for incorporation into lysosomes or the plasma membrane of eukaryotic cells?