An enzyme which has an optimum pH of 3 will function best in the:
2. Question | Mathematics
The sizes of the interior angles of a polygon
are x°, 2x°, 60°, 3x° and 36°. What is the
value of x ?
3. Question | Biology
Which of the following statements about lipids is NOT true?
4. Question | Information Technology
Which of the following statements is UNTRUE?
5. Question | Information Technology
Automated directory assistance services utilize __________ technology for accepting user input.
6. Question | Information Technology
All of the following devices are commonly used non-impact printers EXCEPT __________.
7. Question | Social Studies
Which of the following BEST explains why birth rates have been falling in some Caribbean countries?
8. Question | Principles Of Accounts
A trader received an invoice for $4,000 less 25% trade discount. Subsequently he returned one eighth of the goods. What amount would be entered in his Returns Outwards Account?
9. Question | Mathematics
After a 10% discount, an article is sold for
$360. The price before the discount was
10. Question | Chemistry
Nitrogen fixation produces:
11. Question | Physics
The lowest and the highest frequencies a typical young person′s ear can detect are
approximately:
12. Question | Chemistry
The number of double bonds in a molecule of carbon dioxide is:
13. Question | Biology
Plant stems grow towards a light source.This is an example of:
14. Question | Integrated Science
The density of pure water is:
15. Question | Biology
Osmosis is:
16. Question | Mathematics
In the figure above, the shaded portion
represents
17. Question | Mathematics
18. Question | Mathematics
The range of values of v when
5 - v ≤ 2v - 1 is
19. Question | Mathematics
In the figure above, the shaded portion
represents
20. Question | Chemistry
To work out the heat change in a reaction we need to know just three things, the mass, the temperature change and the: