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TLS Online TPP Program

#Question id: 3959

What do telomeres do

#Unit 3. Fundamental Processes

  1. They protect the chromosomes from degradation by nucleases.

  2. They prevent the ends of chromosomes from fusing with one another.

  3. They are required for complete chromosomal replication.

  4. All of the above.

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TLS Online TPP Program

#Question id: 4801

#Unit 8. Inheritance Biology

You set up a mapping cross involving two genes in Aspergillus and determine the following percentages of tetrad types: parental ditype 51%, nonparentalditype 49%. What can you say about your genes?
TLS Online TPP Program

#Question id: 28549

#Unit 5. Developmental Biology

Which of the following survival strategies can be utilize by Dictyostelium, when will have food starvation condition  ?
a) Cell aggregation 
b) Microcyst formation
c) Zygote formation 
d) Cell division
e) cell differentiation
TLS Online TPP Program

#Question id: 12418

#Unit 10. Ecological Principles

The number of females born in each age group is the
TLS Online TPP Program

#Question id: 1875

#Unit 4. Cell Communication and Cell Signaling

What is the best description of an antibody that would prevent infection with HIV?
TLS Online TPP Program

#Question id: 14147

#Unit 3. Fundamental Processes

Activators that stimulate this kind of promoter work by triggering a conformational change in either RNA polymerase or DNA; that is, they interact with the stable closed complex and induce a conformational change that causes transition to the open complex, this is an example of