TLS Online TPP Program

#Question id: 11766


The population density of a particular insect species was determined to be 15,000 adults per hectare in the summer of 1996, 21,000 adults per hectare in the summer of 1997, and 29,400 adults per hectare in the summer of 1998.

What would you expect the insect population to be in the summer of 2000, assuming no change in λ?

#Unit 10. Ecological Principles
  1. 29,400
  2. 41,160
  3. 57,624
  4. Cannot be determined from available data
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TLS Online TPP Program

#Question id: 34089

#Unit 3. Fundamental Processes

A. Replication Initiation require full methylation of the Dam target sites in the origin
B. Replication Initiation inhibited by hemimethylation of Dam target sites 
C. Replication Initiation inhibited by nonmethylation of Dam target sites 
D. An origin of nonmethylated DNA can function effectively

Choose true and false

TLS Online TPP Program

#Question id: 34090

#Unit 3. Fundamental Processes

A. DnaA is in the active form only when bound to ATP.
B. All three13-bp repeats of origin must be opened for the initiation
C. 9-bp repeats are found outside of 245 bp origin 
D. DnaA has a weak intrinsic activity that converts the ATP to ADP, this is enhanced by a factor termed Had

Choose true and false

TLS Online TPP Program

#Question id: 34091

#Unit 3. Fundamental Processes

DnaA has intrinsic ATPase activity that hydrolyzes ATP to ADP and thus inactivates itself when the initiation stage ends. This ATPase activity is stimulated by 
A. Membrane phospholipids which helps in ATP hydrolysis
B. dsDNA which is substrate for DnaA
C. Membrane phospholipids which provide ATP in exchange of ADP
D. ssDNA which is created in first step

Which of the following is correct combination

TLS Online TPP Program

#Question id: 34092

#Unit 3. Fundamental Processes

A. SeqA binds to hemimethylated DNA and is required for delaying rereplication.
B. As the origins are hemimethylated they bind to the cell membrane and may be unavailable to methylases.
C. The dat locus contains DnaA-binding sites that titrate availability of DnaA protein.
D. Hda protein is recruited to the replication origin to convert DnaA-ATP to DnaA-ADP.

Choose true and false

TLS Online TPP Program

#Question id: 34093

#Unit 3. Fundamental Processes

Quite large regions of the eukaryotic chromosome can be characterized as “early replicating” or “late replicating,”. These site can be recognised by

TLS Online TPP Program

#Question id: 34094

#Unit 3. Fundamental Processes

The rate of eukaryotic replication is 2000 bp/min and replicon size is 40kb. How much time it will take replicate entire human chromosome