Q: What molecule is used for most energy functions in organisms? Read this paragraph and choose the correct option from the provided answers: All chemical reactions involve energy. Energy is used to break bonds in reactants, and energy is released when new bonds form in products. Endothermic reactions absorb energy, and exothermic reactions release energy. Choices: - DNA or deoxyribonucleic acid - RNA or ribonucleic acid - ADP or Adenosine Diphosphate - atp or adenozine triphosphate A:
atp or adenozine triphosphate

Q: What does hemoglobin in blood carry to the cells? Read this paragraph and choose the correct option from the provided answers: 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. Choices: - methane - carbon dioxide - nitrogen - oxygen A:
oxygen

Q: Q: What forms when atoms share or transfer valence electrons? Read this paragraph and choose the correct option from the provided answers: A chemical bond is a force of attraction between atoms or ions. Bonds form when atoms share or transfer valence electrons. Valence electrons are the electrons in the outer energy level of an atom that may be involved in chemical interactions. Valence electrons are the basis of all chemical bonds. For a video introduction to chemical bonds, go to this URL: http://www. youtube. com/watch?v=CGA8sRwqIFg . Choices: - replicas - levels - fusion - bonds A:
A: bonds

Question: Q: What is a hole that is dug or drilled through the ground down to an aquifer called? Read this paragraph and choose the correct option from the provided answers: Most groundwater does not flow out of an aquifer as a spring or geyser. So to use the water that's stored in an aquifer, people must go after it. How? They dig a well. A well ( Figure below ) is a hole that is dug or drilled through the ground down to an aquifer. Choices: - moat - ditch - canal - well A:
Answer: well

*Question*
Q: In the tropics what are the prevailing winds called? Read this paragraph and choose the correct option from the provided answers: The major wind belts push the water in the surface currents. The water moves in the direction of :. Choices: - a front - crosswinds - storm winds - tradewinds A:
**Answer**
tradewinds

Q: What continuously monitors and repairs its genetic material? Read this paragraph and choose the correct option from the provided answers: Choices: - ova - nucleolus - proteins - cells A:
cells