WAEC Past Questions and Answers - Page 3831

19,151.
19,152.
19,153.

A rational consumer tends to do all the following except

A.

Buying more at a high price than at a low price

B.

Buying more at a low price than at a high price

C.

Buying at utility maximization

D.

Reacting to price changes

E.

Complying with the law of demand

Correct answer is A

No explanation has been provided for this answer.

19,154.

If a person has two alleles of the sickle cell anaemia gene, the person

A.

is a heterozygous carrier of the disease

B.

is immune to the disease and cannot pass it on to an offspring

C.

has the disease

D.

is probably of Asian ancestry

Correct answer is C

No explanation has been provided for this answer.

19,155.

Which of the following statements best describes protein synthesis?

A.

DNA is directly involved in translation

B.

translocating the ribosomes exposes a new codon for base pairing with an amino acid

C.

Each tRNA with a particular anticodon always carries a different protein in the process

D.

One amino acid is always carried by more than one

Correct answer is A

No explanation has been provided for this answer.