The chemicals that make up the bodies of animals and plants are called:

Which one of the following pairs of definitions is correct?

Which one of the following structures is responsible for controlling entry and exit of materials into and out of the cell?

2p² -15p + 25 =

All of the following have endoskeletons EXCEPT for:

In a titration the long tube with a volume scale is a:

The monomer used to make poly (propene) is called:

The ABC Company deposited a Cheque received from Mr. Murray for $300.00. How must this transaction be recorded in ABC′s book?

1. Credit the Cash Book $300
2. Credit Murray′s Account
3. Debit the Bank Account
4. Debit the Cash Account

Which of the following statements is UNTRUE?

The mean of ten numbers is 58. If one of the numbers is 40, what is the mean of the other nine?

In electrolysis the anode is the:

If U = {1, 2, 3, . . . 10 } and S = { 4, 5, 6, 7, 8 }, then S ' =

Large-scale applications sometimes refer to a graphic tablet as a __________.

How many subsets does the set {a, b, c, d, e} have?

POPULATION PYRAMID FOR COUNTRY X

Which of the following features of Country X may be gathered from the diagram above?

Dividing the mass in grams by the mass of 1 mole in grams gives:

The proportions of elements in a pure compound are always:

Veins have valves because

We use expanded polystyrene cups for heat of reaction experiments because the cups are:

Transition metals have all of these properties EXCEPT for: