Q: What molecules with a nitrogen base are the basic components of nucleic acids? Choices: - sporozoans - enzymes - nuclides - nucleiotides A:
nucleiotides

(Question)
Q: What is the complex network of nervous tissue that carries electrical messages throughout the body? Choices: - respiratory system - circulatory system - lymphatic system - nervous system A:
(Answer)
nervous system

Ques: Q: All living things need air and this to survive? Choices: - stimuli - habitat - ecosystem - water A:
Ans: water

(Q).
Q: The group 18 gases that have 8 valence electrons are referred to as what type of gases? Choices: - novel - important - metal - noble A:
(A).
noble

Ques:Q: Nutrition and diet affect your metabolism. more energy is required to break down fats and proteins than this? Choices: - vitamins - electrolytes - minerals - carbohydrates A:

Ans:carbohydrates

Question: Q: Wave amplitude and wavelength are two important measures of what? Choices: - wave sound - wave speed - wave harmfulness - wave size A:
Answer:
wave size