Q: A very small artery that leads to a capillary is known as what? Choices: - capillary junction - vein - arterium - arteriole A:
arteriole

(Question)
Q: There are only four possible bases that make up each dna nucleotide: adenine, guanine, thymine, and? Choices: - taurine - phenylalanine - guarine - cytosine A:
(Answer)
cytosine

Ques: Q: What is the leading cause of skin cancer? Choices: - artificial light - dehydration - smoking - sunlight A:
Ans: sunlight

(Q).
Q: What is the change frogs and butterflies go through? Choices: - transformation - hiatus - parthenogenesis - metamorphosis A:
(A).
metamorphosis

Ques:Q: Radiation, chemicals, and infectious agents are types of what? Choices: - mutations - endogenous - dioxins - mutagens A:

Ans:mutagens

Q: Naphthalens is a chemical which is commonly used in what? Choices: - shampoo - fertilizers - inhalers - mothballs A:
mothballs