Biological molecules

Question 1

Where are the hydrogens always found on a molecule?

Answer 1

On the surface

Question 2

what happens to a covalent bond that contains atoms of different electronegativities?

Answer 2

the bond becomes polarised with the electrons concentrating at one end

Question 3

how is an sp3 hybrid orbital formed?

Answer 3

by combining one s orbital with 3 p orbitals

Question 4

How is an sp2 hybrid orbital formed?

Answer 4

by combining one s orbital with 2 p orbitals

Question 5

how is an sp orbital formed?

Answer 5

by combining one s orbital with one of the p orbitals

Question 6

how are delta bonds formed?

Answer 6

by the overlapping of two orbitals

Question 7

how are pi orbitals formed?

Answer 7

by combining two p orbitals

Question 8

what type are most amino acids in living systems?

Answer 8

a- amino acids

Question 9

what is an a-amino acid?

Answer 9

an amino acid where the amino [NH2] group is joined to the first carbon next to the COOH group

Question 10

if the carbon were joined to the second carbon beside the COOH group what name would it have?

Answer 10

b-amino acid

Question 11

what is the name given to an amino acid that can be both an acid and a base?

Answer 11

amphoteric