Two Cells Containing Solutions of AgNO₃ and CuSO₄, Respectively, Were

question 90

Multiple Choice

Two cells containing solutions of AgNO₃ and CuSO₄, respectively, were connected in series and electrolyzed. The cathode in the AgNO₃ cell was found to gain 1.078 grams in weight. How much had the cathode in the other cell gained?

• A) 0.127 g
• B) 0.6354 g
• C) 3.175 g
• D) 0.318 g
• E) 0.254 g

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Definitions:

Telomerase

An enzyme that adds nucleotide sequences to the ends of chromosomes, thereby preventing their shortening during cell division.

Malignant Cells

Abnormal cells that divide uncontrollably and have the potential to invade other tissues, leading to cancer.

Neoplasm

An abnormal growth of tissue, which can be benign or malignant, resulting from uncontrolled cell division.

Oncogene

A gene that has the potential to cause cancer by transforming a normal cell into a tumor cell when mutated or expressed at high levels.