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#Question id: 18752


polymerases are available with proof reading activity. Which of the following are the characteristics of these types of polymerases?

#Unit 13. Methods in Biology
  1. They add A residue at 3’ end
  2. They are obtained from Thermococcus litoralis
  3. They can’t be obtained from archaebacteria
  4. The marine bacteria from which they are obtained grow at temperatures lower than that of Thermus aquatics
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TLS Online TPP Program

#Question id: 3583

#Unit 8. Inheritance Biology

In sesame plants, the one-pod condition (P) is dominant to the three-pod condition (p), and normal leaf (L) is dominant to wrinkled leaf (l). Pod type and leaf type are inherited independently. Determine the genotypes for the two parents for all possible cross producing the following offspring:

(a) 300 one-pod, normal leaf and 100 one-pod, wrinkled leaf

(b) 323 three-pod, normal leaf and 106 three-pod, wrinkled leaf

(c) 150 one-pod, normal leaf, 147 one-pod, wrinkled leaf, 51 three-pod, normal leaf, and 48 three-pod, wrinkled leaf

(d) 223 one-pod, normal leaf, 72 one-pod, wrinkled leaf, 76 three-pod, normal leaf, and 27 three-pod, wrinkled leaf

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#Question id: 12346

#Unit 10. Ecological Principles

The schematic below shows the relationship between survivorship with age (relative to maximum lifespan) in Species 1 (dashed line) and Species 2 (solid line). Which of the following inferences is compatible with this figure?


TLS Online TPP Program

#Question id: 4837

#Unit 8. Inheritance Biology

This is the reason why Mendel did not recognizelinkage phenomenon in his experiments

TLS Online TPP Program

#Question id: 2861

#Unit 2. Cellular Organization

What is the result of regulatory mutation in given lac operon in merodiploids

TLS Online TPP Program

#Question id: 20269

#Unit 1. Molecules and their Interaction Relevant to Biology

The antidiuretic hormone (ADH) originates primarily in the supraoptic nuclei of the hypothalamus, which of the following statement is FALSE regarding ADH?