The four covalent bonds in methane (CH4) are arranged around carbon to give which one of the following geometries?

TLS Online TPP Program

#Question id: 478

#Unit 1. Molecules and their Interaction Relevant to Biology

The steps of glycolysis between glyceraldehyde 3-phosphate and 3-phosphoglycerate involve all of the following except:

TLS Online TPP Program

#Question id: 33404

#Unit 1. Molecules and their Interaction Relevant to Biology

The crystal structural  of a peptide has an ordered structural repeat of amino acids with a distance of ~ 6.5 A between the alternate Ca atoms. Which one of the following pair of dihedral angles accurately represents the peptide structural ?

TLS Online TPP Program

#Question id: 588

#Unit 1. Molecules and their Interaction Relevant to Biology

The initial velocity of an enzyme reaction (v0) describes

TLS Online TPP Program

#Question id: 31417

#Unit 2. Cellular Organization

Put these events in the correct temporal order: 

a. End plate potential (EPP)

b. Action potential in muscle fiber

c. ACh release from presynaptic terminal

d. MEPP

e. Opening ligand-gated ion channels

f. Opening Ca²⁺ channels in presynaptic terminal

g. Binding of ACh to nicotinic receptors,

h. Action potential in nerve fiber

TLS Online TPP Program

#Question id: 10188

#Unit 1. Molecules and their Interaction Relevant to Biology

Kinetic Isotope Effects (KIEs) are used to determine

A. reaction mechanisms

B. rate limiting steps

C. transition states

Which of the following is correct combination