In cells expressing mutant versions of Sar1 or ARF that cannot hydrolyze GTP, what would be the result?

a. Vesicle coats do not form and vesicle buds pinch off.

b. The mutant proteins cannot trigger disassembly of the coat all available coat subunits eventually become permanently.

c. Unable to fuse with target membranes.

d. Blocking of coat disassembly.

TLS Online TPP Program

#Question id: 4367

#Unit 3. Fundamental Processes

Which of the following is considered a universal transcription factor?

TLS Online TPP Program

#Question id: 12396

#Unit 6. System Physiology – Plant

Which compound  are included in the buffer washout solution, that involved in prevent normal relocalization of PIN to the plasma membrane ?

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#Question id: 28580

#Unit 5. Developmental Biology

Fgf9 represses __

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#Question id: 8698

#Unit 9. Diversity of Life Forms

Use the figure to answer the following question.

If the figure above is an accurate depiction of relatedness, then which of the following should be an accurate statement?

TLS Online TPP Program

#Question id: 4259

#Unit 3. Fundamental Processes

Rank the following one-base point mutations with respect to their likelihood of affecting the structure of the corresponding polypeptide (from most likely to least likely).

1. insertion mutation deep within an intron

2. substitution mutation at the third position of a codon in an exon

3. substitution mutation at the second position of a codon in an exon

4. deletion mutation within the first exon of the gene