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TLS Online TPP Program

#Question id: 15297

 Which of the following statement is correct regarding mammalian cleavage?

#Unit 5. Developmental Biology
  1. In all mammalian embryos, the first cleavage is a normal meridional division; however, in the second cleavage, one of the two blastomeres divides equatorially and the other divides meridionally.
  2. Mammalian embryos increase exponentially from 2 to 4 to 8 cells, but frequently contain odd numbers of cells.
  3. Mammalian genome is inactivated during early cleavage and zygotically transcribed proteins are necessary for cleavage and development.
  4. Maternally encoded proteins can persist through most of the cleavage stages and play important roles in late stages of development.
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TLS Online TPP Program

#Question id: 5929

#General Aptitude

January 1 , 2007 was Monday . What day of the week lies on January 1 , 2008 ?
TLS Online TPP Program

#Question id: 12843

#General Aptitude

Triangle ABC is a right angled triangle,the radius of its circumcircle is 3cm and the length of its altitude drawn from the opposite vertex to the hypotenuse is 2 cm. Then the area of the triangle is
TLS Online TPP Program

#Question id: 21124

#Unit 12. Applied Biology

What does MWCNT stands for ?
TLS Online TPP Program

#Question id: 2095

#Unit 2. Cellular Organization

Glycolipids and glycoproteins are especially abundant in the
TLS Online TPP Program

#Question id: 11828

#Unit 6. System Physiology – Plant

Given some enzymes of ethylene biosynthetic pathway and its character;

A) ACC synthase                                                               i) It is an unstable, cytosolic enzyme. Its level is regulated by environmental and internal factors, such as wounding, drought stress, flooding, and auxin

B) ACC oxidase                                                                  ii) It catalyzes the last step in ethylene biosynthesis, the conversion of ACC to ethylene

                                                                                                iii) Its activity can be the rate-limiting step in ethylene biosynthesis

                                                                                                iv) That is encoded by a multigene family that is differentially regulated

                                                                                                v) It is present in such low amounts in plant tissues and is very unstable and also difficult to purify the enzyme  for biochemical analysis

                                                                                                vi) These enzymes belong to the Fe2+/ascorbate oxidase superfamily

Find out the correct combination from the given enzymes and its character?