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Biology Ch 2+3 quiz
| Question | Answer |
|---|---|
| label rough endoplasmic reticulum | one closest to the nucleus with ribosomes |
| label a mitochondrion | looks like half a peanut shell with a zigzag line in it |
| which organelles contain digestive substances? | lysozomes |
| which structures carry out protein synthesis? | ribosomes |
| T/F Prokaryotes | Prokaryote cells do not have organelles and do not have a true nucleus |
| a proton has a charge of | +1 |
| an ion with a positive charge is called... | cation |
| how many electrons are there in the valence shell of a neutral carbon atom (group IV) | 4 |
| which of the following pairs of atoms (group number is given) will form a covalent bond? | C (IV) and O (VI) |
| which of the following has the highest concentration of [H+]? pH 2, pH 5, pH 10, pH 12 | pH 2 |