TLS Online TPP Program

#Question id: 2946


Which of the following occurs during anaphase A?

#Unit 2. Cellular Organization
  1. The spindle elongates.

  2. Kinetochores remain attached to shortening kinetochore microtubules.

  3. Chromosomes move to the spindle equator.

  4. The spindle poles move closer together.

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TLS Online TPP Program

#Question id: 3561

#Unit 8. Inheritance Biology

During which phase of meiosis does independent assortment occur?

TLS Online TPP Program

#Question id: 20995

#Unit 12. Applied Biology

Substituent group addition to toluene was not a single attack by succinyl-coa, but two separate reactions involving two molecules of acetyl-coa to give rise to the 

TLS Online TPP Program

#Question id: 13087

#Unit 13. Methods in Biology

To express a yeast gene in E. coli, your task is to design a strategy to insert the yeast gene into the bacterial plasmid. Below is a map of the area of the yeast genome surrounding the gene in which you are interested.

 
The distance between each tick mark placed on the line above is 100 bases in length
Below are the enzymes you can use, with their specific cut sites shown 5’-XXXXXX-3’ 3’-XXXXXX-5’

 
The plasmid is 5,000 bases long and the two farthest restriction enzyme sites are 200 bases apart. The plasmid has an ampicillin resistance gene somewhere on the plasmid distal from the restriction cut sites.

                              
Which of the following restriction enzyme is the best choice for you use to design a way to get the insert into the vector?

TLS Online TPP Program

#Question id: 15227

#Unit 13. Methods in Biology

Electrophoresis of RNA is usually carried out in

TLS Online TPP Program

#Question id: 10618

#Unit 10. Ecological Principles

Which of the following characteristic of an early community?