Bi101 Chapter 4

to make up for missed pop quiz

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Across

2. rounded mass of proteins and copies of genes for ribosomal RNA used to construct ribosomal units

3. (2 words) Modifying new polypeptide chains; sorting, shipping proteins and lipids (2 words)

5. Intracellular digestion

7. Transporting, storing, or digesting substances in a cell; other functions

10. Making ATP by sugar breakdown

Down

1. (2 words) Routing, modifying new polypeptide chains; synthesizing lipids; other tasks (2 words)

4. keeps DNA separated from cytoplasm; makes ribosome subunits; protects and controls access to DNA

6. (2 words) In the nucleus: type of ribonucleic acid that carries a protein-building message between DNA and protein synthesis (2 words)

8. Making sugars in plants, some protists

9. total collection of all DNA molecules and associated proteins in the nucleus; all of the cell's chromosomes

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