Q: What are the organized instructions within dna for making proteins called? Read this paragraph and choose the correct option from the provided answers: The DNA of a chromosome is encoded with genetic instructions for making proteins. These instructions are organized into units called genes . Most genes contain the instructions for a single protein. There may be hundreds or even thousands of genes on a single chromosome. Choices: - clones - genomes - replicants - genes A:
genes

Q: When warm air rises up to the tropopause, where does it flow? Read this paragraph and choose the correct option from the provided answers: Earth is hottest at the equator and gets cooler toward the poles. The differences in heating create huge convection currents in the troposphere. At the equator, for example, warm air rises up to the tropopause. It can't rise any higher, so it flows north or south. Choices: - east or north - west or south - east or west - north or south A:
north or south

Q: What system includes lymph organs, lymph vessels, lymph, and lymph nodes? Read this paragraph and choose the correct option from the provided answers: The immune system includes lymph organs, lymph vessels, lymph, and lymph nodes. Choices: - nervous - immature - digestion - immune A:
immune

Q: What is the term for the slow wearing down of rocks on earth's surface? Read this paragraph and choose the correct option from the provided answers: Weather makes life interesting. Weather also causes weathering. Weathering is the slow wearing down of rocks on Earth's surface. Wind-blown sand scours rocks like sandpaper. Glaciers of ice scrape across rock surfaces like a file. Even gentle rain may seep into rocks and slowly dissolve them. If the water freezes, it expands. This eventually causes the rocks to crack. Without the atmosphere, none of this weathering would happen. Rocks at the surface would be pristine and unaltered. Choices: - slipping - evaporation - experiencing - weathering A:
weathering