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TLS Online TPP Program

#Question id: 58

A covalent chemical bond is one in which ________.

#Introduction to Biochemistry

  1. electrons are removed from one atom and transferred to another atom so that the two atoms become oppositely charged

  2. protons and neutrons are shared by two atoms so as to satisfy the requirements of both atoms

  3. outer-shell electrons of two atoms are shared so as to satisfactorily fill their respective orbitals

  4. outer-shell electrons of one atom are transferred to fill the inner electron shell of another atom

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TLS Online TPP Program

#Question id: 47

#Introduction to Biochemistry

If 30 J of energy is added to water in the form of heat at 27°C, what is the change in entropy of water?
TLS Online TPP Program

#Question id: 50

#Introduction to Biochemistry

The enzyme fumarase catalyzes the reverse hydration of fumaric acid to l-malate, but it will not catalyze the hydration of maleic acid, the cis isomer of fumaric acid. This is an example of:
TLS Online TPP Program

#Question id: 52

#Introduction to Biochemistry

Choose the incorrect option regarding Isomerism.
TLS Online TPP Program

#Question id: 54

#Introduction to Biochemistry

About 25 of the 92 natural elements are known to be essential to life. Which 4 of these 25 elements make up approximately 96% of living matter?
TLS Online TPP Program

#Question id: 56

#Introduction to Biochemistry

Trace elements are those required by an organism in only minute quantities. Which of the following is a trace element that is required by humans and other vertebrates, but not by other organisms such as bacteria or plants?
TLS Online TPP Program

#Question id: 57

#Introduction to Biochemistry

A(n) ________ has charge but negligible mass, whereas a(n) ________ has mass but no charge.