TLS Online TPP Program

#Question id: 31105


Phalloidin isolated from Amanita phalloides, binds at the interface between subunits in F-actin involves:

#Unit 2. Cellular Organization
  1. block the adjacent subunits together and enhances nucleation
  2. block the adjacent subunits together and preventing polymerization.
  3. locking adjacent subunits together and preventing depolymerization. 
  4. Binds to G-actin and prevents polymerization
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TLS Online TPP Program

#Question id: 4280

#Unit 3. Fundamental Processes

Translocation of proteins into mitochondria and chloroplasts is characterized by

TLS Online TPP Program

#Question id: 23872

#Unit 13. Methods in Biology

Genetic engineering is being used by the pharmaceutical industry. Which of the following is not currently one of the uses?

TLS Online TPP Program

#Question id: 33407

#Unit 1. Molecules and their Interaction Relevant to Biology

Psi is fixed at +165º. Then


TLS Online TPP Program

#Question id: 26882

#Unit 10. Ecological Principles

increasing distance of the island from the mainland, then what will caused?

TLS Online TPP Program

#Question id: 12183

#Unit 1. Molecules and their Interaction Relevant to Biology

Following statements are regarding to regulation of S phase and mitotic cyclin levels in budding yeast.
A. In late anaphase, the anaphase-promoting complex (APC/C) ubiquitinylates S phase and mitotic cyclins.
B. In late anaphase, the anaphase-promoting complex (APC/C) phosphorylates S phase and mitotic cyclins.
C. During exit from mitosis and G1, Cdh1 is dephosphorylated and active; during S phase and mitosis, Cdh1 is phosphorylated and dissociates from APC/C, and APC/C becomes inactive.
D. During exit from mitosis and G1, Cdh1 is phosphorylated and active; during S phase and mitosis, Cdh1 is dephosphorylated and dissociates from APC/C, and APC/C becomes inactive.
E. The G1/S phase CDKs, which themselves are not APC/CCdh1 substrates, phosphorylate Cdh1 at the G1–S phase transition.
F. The G1/S phase CDKs, which themselves are not APC/CCdh1 substrates, ubiquitinylates Cdh1 at the G1–S phase transition.
Which of the following combination is correct?