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TLS Online TPP Program

#Question id: 11561

An example of antagonistic hormones controlling homeostasis is ________.

#Unit 7. System Physiology – Animal
  1. thyroxine and parathyroid hormone in calcium balance
  2. insulin and glucagon in glucose metabolism
  3. progestins and estrogens in sexual differentiation
  4. epinephrine and norepinephrine in fight-or-flight responses
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TLS Online TPP Program

#Question id: 4929

#Unit 8. Inheritance Biology

Maternal inheritance of coiling of shell in snail (limnaea peregra) is well established. The dextral coiling depends on dominant allele D and sinistral coiling depends upon recessive allele d. A female F1 progeny of dextral(Dd) type is crossed with a male dextral (Dd). What will be the phenotype ratio in progeny?
TLS Online TPP Program

#Question id: 23026

#Unit 12. Applied Biology

A process using microbes to convert toxic industrial wastes to less toxic or non-toxic compounds is
TLS Online TPP Program

#Question id: 24141

#General Aptitude

METAPHOR : SYMBOL
TLS Online TPP Program

#Question id: 27068

#Unit 1. Molecules and their Interaction Relevant to Biology

Isoleucine and Threonine have two chiral carbons so exists in multiple RS configuration, choose the correct option regarding the given fig.
1. a is D-threonine is (2S, 3S) threonine
2. b is L-threonine is (2R,3S) threonine
3. a is L-threonine is (2S, 3R) threonine
4. b is D-threonine is (2R,3S) threonine
TLS Online TPP Program

#Question id: 15853

#Unit 5. Developmental Biology

In XY cells, the early promoter is not active and there is no early Sxl protein because-