TLS Online TPP Program

#Question id: 267


Which of the following is mismatched?

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. rRNA: 80% of cellular RNA

  2. tRNA: carry amino acids during protein synthesis

  3. mRNA: stable RNA carrying the coded information from DNA

  4. small RNA: catalytic with or without proteins

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TLS Online TPP Program

#Question id: 28325

#Unit 5. Developmental Biology

The pattern of embryonic cleavage peculiar to a species is determined by two major parameters: 
(1) the amount and distribution of yolk protein within the cytoplasm, which determine where cleavage can occur and the relative sizes of the blastomeres
(2) factors in the egg cytoplasm that influence the angle of the mitotic spindle and the timing of its formation

Which of the following statements is incorrect about patterning of embryonic cleavage?

TLS Online TPP Program

#Question id: 33428

#Unit 1. Molecules and their Interaction Relevant to Biology

How many ATPs are involved in fatty acid activation

TLS Online TPP Program

#Question id: 23104

#Unit 2. Cellular Organization

Which of the following statement is true regarding second level of organization 
a. The second level of organization is the coiling of the 10-nm fiber of nucleosomes into a helical array.
b. The coiled helical array to constitute the fiber of diameter 30 nm that is found in interphase chromatin and in mitotic chromosomes.
c. This compacts the DNA - 40-fold. The structure of this fiber requires the histone tails and is stabilized by linker histones.
d. Histone H1, histone tails, and increased ionic strength all promote the formation of the 30-nm fiber.

TLS Online TPP Program

#Question id: 13150

#Unit 8. Inheritance Biology

A fruit fly Drosophila melanogaster showing  three point test cross  st+-e+-ss+  was crossed with triplet recessive mutant st-e-ss. The F1 hybrid  was the backcross with the recessive mutant and the phenotype recorded as follows;

The distance in map unit (mu) between  st+  to  e+ and e+ to ss+ is

TLS Online TPP Program

#Question id: 7463

#General Aptitude

The time between 7 and 8 o’ clock , correct to the nearest minute, when the hands of a clock will from an angle of 84° are :