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ASTRONOMY

CHARLES HEFLIN

Astronomy quiz 3

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Across
1.Cell boundary with the outside environment
5.Carbohydrates are also called this
9.Organisms that get their carbon by "eating" organic compounds
10.Storage of information for cell molecule
20.Ribonucleic Acid
21.Cytoplasm is 80%
22.The controlled release of chemical-bond energy from large, organic molecules
24.Get energy from sunlight (very rare)
25.6 protons and neutrons
26.Carbon compounds dissolve easily in this
27.Nucleus, organelles that perform specific functions
28.Organisms that get their carbon from Carbon Dioxide
Down
2.Source of Raw Materials and Source of Energy
3.Chemoautotrophs were likely this lifeform on Earth
4.Main structural components of cell membanes
6.Also get energy from organic compounds (bacteria, fungi)
7.Part of a chemical reaction in which one reactant loses electron
8.Process that forms the 3-D structure of proteins
11.Carbon compound with water or an attached hydroxl group
12.Proteins that act as catalysts of metabolism
13.Use energy from oxidation of inorganic chemicals
14.Proteins are chains of this
15.The set of chemical processes that occur in cells to provide energy or nutrients
16.Use energy from sunlight
17.Process used by prokaryotic organisms to use inorganic chemical reactions as a source of energy to make larger organic molecules
18.2 electrons complete this
19.Deoxyribonucleic Acid
23.No Nucleus, free flowing strands of DNA

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