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10-24
Question | Answer |
---|---|
What does DNA look like in prokaryotes? | Single and circular |
What does DNA look like in Eukaryotes? | Multiple and straight |
What is binary fission? | Splitting of bacteria from 1 to 2 |
What happens when a cell splits? | Replicate DNA (Origin of replication is where replication starts) Separate DNA Elongate cell Septum- building cell membrane/cell wall |
Who first saw cell division in eukaryotic cells? | Walter Flemming |
What is a chromosome made of? | Chromatins and Protein |
What is a nucleosome? | Protein with DNA wrapped around it |
What is a solenoid? | Nucleosomes folded back and forthe |
Wbat are the range of compactions/what do they mean? | High-during replication mid- normally low-needs replication |
What is a karyotype? | chromosomes all laid out to see |
What are 3 distinguishable properties of chromosomes? | 1. Size 2. Staining properties 3. Centromere location |
What is the simatic 2n state? | diploid state with pairs |
What is the G1 phase responsible for? | growth |
What is the S phase for? | synthesis of DNA |