Answer the following question given this paragraph: Q: What novelties can also arise when structures that originally played one role gradually acquire a different one? Choices: - mutation - interactions - reproduction - evolutionary A:
evolutionary
(Question)
Answer the following question given this paragraph: Q: How many large eggs are generated during oogenesis? Choices: - 3 - 2 - 4 - one A:
(Answer)
one
Ques: Answer the following question given this paragraph: Tobacco smoke contains dozens of carcinogens, including nicotine and formaldehyde. Exposure to tobacco smoke is the leading cause of lung cancer. Q: What is the leading cause of lung cancer? Choices: - chewing tobacco - heredity - tuberculosis - tobacco smoke A:
Ans: tobacco smoke
(Q).
Answer the following question given this paragraph: Q: What is a primary source of the hormone melatonin? Choices: - thymus - pituitary gland - thyroid gland - pineal gland A:
(A).
pineal gland
Ques:Answer the following question given this paragraph: Figure 39.19 The protein inside (a) red blood cells that carries oxygen to cells and carbon dioxide to the lungs is (b) hemoglobin. Hemoglobin is made up of four symmetrical subunits and four heme groups. Iron associated with the heme binds oxygen. It is the iron in hemoglobin that gives blood its red color. Q: What does hemoglobin in blood carry to the cells? Choices: - methane - carbon dioxide - nitrogen - oxygen A:

Ans:oxygen
Answer the following question given this paragraph: The pineal gland is a tiny gland located at the base of the brain. It secretes the hormone melatonin. This hormone controls sleep-wake cycles and several other processes. Q: What gland is located at the base of the brain and secretes the hormone melatonin? Choices: - thymus - pituitary - thyroid - pineal A:
pineal