(Q).
Answer the following question given this paragraph: Childhood cancer is rare. The main type of cancer in children is leukemia. It makes up about one third of all childhood cancers. It occurs when the body makes abnormal white blood cells. Q: What is the most common type of cancer developed in children? Choices: - anemia - lung cancer - stomach cancer - leukemia A:
(A).
leukemia

(Q).
Answer the following question given this paragraph: During transcription, a copy of mRNA is made that is complementary to a strand of DNA. In eukaryotes, mRNA may be modified before it leaves the nucleus. Q: In eukaryotes, mrna may be modified before leaving what? Choices: - ribosome - mitochondria - epidermis - nucleus A:
(A).
nucleus

(Q).
Answer the following question given this paragraph: Bronze, an alloy of copper and tin, has been in use since ancient times. The Bronze Age saw the increased use of metals rather than stone for weapons, tools, and decorative objects. Brass, an alloy of copper and zinc, is widely used in musical instruments like the trumpet and trombone. Q: What is an alloy of copper and tin? Choices: - zinc - gold - silver - bronze A:
(A).
bronze