Select the correct answer from each drop-down menu. The backbone of DNA and RNA is composed of _ groups. DNA is double stranded due to interactions between adenine, cytosine, guanine, and thymine, which are _. Uracil is a _.

Answers:
1. sugar and phosphate groups
2. bases
3. base found in RNA

All organisms contribute some water to the water cycle by conducting

How are fungi more like an animal? they have a cell wall. they are heterotrophs that absorb their food. they produce seeds and have membrane-bound nucleus. they use sunlight for photosynthesis.

Graded assignment lab report answer the questions below. which combinations of substances resulted in a chemical change? for each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. make a general statement about the reactivity of the metals in this experiment.