If an optic vesicle from a Xenopus laevis embryo is placed underneath head ectoderm in a different part of the head from where the frog’s optic vesicle normally occurs then what happens?

TLS Online TPP Program

#Question id: 314

#Unit 1. Molecules and their Interaction Relevant to Biology

Which statement explains the cleaning action of soap on greasy dishes?

TLS Online TPP Program

#Question id: 315

#Unit 1. Molecules and their Interaction Relevant to Biology

Which is not a proper way to form a hydrogen bond? (The symbol ʺRʺ represents a general organic group. The hydrogen bonding is represented by dashed lines.)

TLS Online TPP Program

#Question id: 316

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of these noncovalent forces in biological systems is usually the strongest?

TLS Online TPP Program

#Question id: 317

#Unit 1. Molecules and their Interaction Relevant to Biology

Hydrogen bonds can occur when hydrogen is covalently bonded to atoms like nitrogen and oxygen. What property of nitrogen and oxygen is important for this?

TLS Online TPP Program

#Question id: 318

#Unit 1. Molecules and their Interaction Relevant to Biology

Attractions of oppositely charged functional groups of proteins are sometimes called ________.

TLS Online TPP Program

#Question id: 319

#Unit 1. Molecules and their Interaction Relevant to Biology

London dispersion forces are attractive forces that arise due to