chapter 10 review

chapter 10 review - Lecture 2: Chapter 10 Chromosomes,...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
I. Eukaryotic Chromosomes A. Genes cell’s informational units, made of DNA B. Chromatin consists makes up chromosomes (eukaryotes) C. Chromosomes carriers of genetic information in eukaryotes D. Histone small, positively charged (basic) proteins that bind to the negatively charged DNA E. Nucleosome histone (protein) bead wrapped in DNA organized into coiled loops held together by nonhistone scaffolding proteins each nucleosome bead contains a set of 8 histone molecules this forms a protein core around which the doublestranded DNA winds The DNA surrounding the histone consists of 146 nucleotide pairs another segment of DNA, about 60 nucleotide pairs long, links nucleosome beads A. Interphase 1. First Gap Phase (G 1 phase) growth and normal metabolism occurs enzymes required for DNA synthesis become more active lasts 5 hours nondividing cells are arrested at this stage, known as G 0
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 4

chapter 10 review - Lecture 2: Chapter 10 Chromosomes,...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online