TLS Online TPP Program

#Question id: 4249


Which of the following statements is true about protein synthesis in prokaryotes?

#Unit 3. Fundamental Processes
  1. Extensive RNA processing is required before prokaryotic transcripts can be translated.

  2. Translation can begin while transcription is still in progress.

  3. Prokaryotic cells have complicated mechanisms for targeting proteins to the appropriate cellular organelles.

  4. Unlike eukaryotes, prokaryotes require no initiation or elongation factors.

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TLS Online TPP Program

#Question id: 33524

#Unit 2. Cellular Organization

A. Only 1% of the human genome consists of exons.
B. The genes (exons plus introns) comprise 25% of the genome.
C. 60% of human genes are alternatively spliced.
D. Up to 80% of the alternative splices change protein sequence, so the human proteome has 50,000 to 60,000 members.

Find true and false statements

TLS Online TPP Program

#Question id: 33525

#Unit 2. Cellular Organization

The average human gene is 

TLS Online TPP Program

#Question id: 33526

#Unit 2. Cellular Organization

The number of protein-coding genes is less than the number of potential polypeptides that can result in several polypeptides from the same gene because of mechanisms 
A. alternative splicing
B. alternate promoter selection, 
C. alternate poly(A) site selection
D. Number of Introns in the gene

TLS Online TPP Program

#Question id: 33527

#Unit 2. Cellular Organization

Match the following

TLS Online TPP Program

#Question id: 33528

#Unit 2. Cellular Organization

The Y chromosome has 

TLS Online TPP Program

#Question id: 33529

#Unit 2. Cellular Organization

A. X and Y chromosomes have descended from a common, very ancient autosome pair. 
B. X and Y chromosomes have descended from different autosome. 
C. During evolution, the X chromosome has retained most of the original genes, whereas the Y chromosome has lost most of them.
D. During evolution, the X chromosome has lost most of them, whereas the Y chromosome has retained most of the original genes.

Which of the following is correct combination