short answer section Flashcards
1
Q
The physiological pH is
A
7.35 to 7.45
2
Q
When pure water ionizes to produce OH- and H3O+, the reaction is called
A
water self-ionization reaction
3
Q
Van Der Waals interactions are also called
A
weak London Dispersion Forces and stronger dipole-dipole forces
4
Q
Sars-Cov-2 is the virus responsible for COVID-19 disease. In which nucleic acid Sars-Cov-2 stores its genetic material?
A
RNA
5
Q
How many pyrimidine base(s) in this DNA Strand?
5’ TACATAC 3’
A
pyrimidine is cytosine and thymine. so 4 is the answer
6
Q
(2pts) How many purine base(s) in this DNA strand?
5’ GUCUCAA 3’
A
purine = adenine & guanine so the answer is 3
