Practice Questions

TLS Online TPP Program

#Question id: 338

What is the difference between covalent bonds and ionic bonds?

#Unit 1. Molecules and their Interaction Relevant to Biology

Covalent bonds involve the sharing of pairs of electrons between atoms; ionic bonds involve the sharing of single electrons between atoms.
Covalent bonds involve the sharing of electrons between atoms; ionic bonds involve the electrical attraction between charged atoms.
Covalent bonds involve the sharing of electrons between atoms; ionic bonds involve the sharing of protons between charged atoms.
Covalent bonds involve the transfer of electrons between charged atoms; ionic bonds involve the sharing of electrons between atoms.

More Questions

TLS Online TPP Program

#Question id: 196

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is correct about S-adenosylmethionine (SAM) is formed from the amino acid methionine so that

A) methyl groups can be formed.

B) it can react with nucleophilic acceptors.

C) it can donate methyl groups in many biosynthetic reactions.

TLS Online TPP Program

#Question id: 28561

#Unit 5. Developmental Biology

Which of the following gene is responsible for the synthesis of cAMP?

TLS Online TPP Program

#Question id: 4068

#Unit 3. Fundamental Processes

The three eukaryotic RNA polymerases can be distinguished by

a. the types of genes they transcribe.

b. the number and types of large subunits.

c. their differential sensitivities to cycloheximide.

d. their differential sensitivities to α-amanitin.

TLS Online TPP Program

#Question id: 15606

#Unit 12. Applied Biology

A biopolymer which is stable in extreme physical and chemical environments, and exhibits physical and chemical properties similar to those of a plastic known as

TLS Online TPP Program

#Question id: 24614

#Unit 2. Cellular Organization

If one SNP are found per 1000 bp in genome how many SNP (aapx.) site can be found in human genome