TLS Online TPP Program

#Question id: 8907


The endoskeletons of most vertebrates are composed of calcified

#Unit 9. Diversity of Life Forms
  1. cartilage.
  2. silica.
  3. chitin.
  4. dentin.
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TLS Online TPP Program

#Question id: 26912

#Unit 10. Ecological Principles

Determine the correctness of the following given;  I-fundamental niche and  II-realized niche
a.Actual range of an organism in nature
b.Biotic factors 
c.Abiotic factors
d.Abundant range of an organism

TLS Online TPP Program

#Question id: 7244

#Unit 5. Developmental Biology

Following statements are regarding to the evolutionary conservation of homeotic gene organization and transcriptional expression in fruit flies and mice.

A. In fruit flies and mice genes with similar structures occupy the same relative positions on each of the four chromosomes, and paralogous gene groups display similar expression patterns.

B. Hom-C cluster on Drosophila chromosome 3 and the four Hox gene clusters in the mouse genome are similar and evolutionary conserved.

C. Those mammalian genes homologous to the Drosophila labial, proboscipedia, and deformed genes are expressed anteriorly and early, whereas those genes homologous to the Drosophila AbdB gene are expressed posteriorly and later.

D. In fruit flies and mice genes are orthologous Hox gene groups.

E. Those mammalian genes homologous to the Drosophila labial, proboscipedia, and deformed genes are expressed posteriorly and later, whereas those genes homologous to the Drosophila AbdB gene are expressed anteriorly and early.

Which of the following combination is correct?

TLS Online TPP Program

#Question id: 3339

#Unit 11. Evolution and Behavior

In a plant species, flower color locus either homozygous or heterozygous with genotype RR-red, Rr- pink and rr- white. The Proportional of pink flower in generation 0 is .50.  What is the level of remaining pink flower in a third generation of repeated selfing? 

TLS Online TPP Program

#Question id: 1874

#Unit 4. Cell Communication and Cell Signaling

Which of the following is the single immunodeficiency disease that most profoundly affects CD4-positive T-cells?

TLS Online TPP Program

#Question id: 28926

#Unit 4. Cell Communication and Cell Signaling

Cubitis interruptus is a___