CAMPBELL BIO ETXT+ACCESS >IC<
CAMPBELL BIO ETXT+ACCESS >IC<
11th Edition
ISBN: 9781323770689
Author: Reece
Publisher: PEARSON C
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Chapter 6.3, Problem 3CC
Summary Introduction

To explain: The process at molecular level as the chromosomes becomes shorter and thicker during cell division.

Concept introduction: Cell division is a natural process in which a parent cell divides into two daughter cells. In cell nucleus, DNA is present as chromosomes.

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How to write the methodology? I have a practical of HOMOGENIZATION AND FREEZE-DRYING, I need to do a lab report, but I don't know how to write the methodology. Here is the introduction:  HomogenizationHomogenization is a process that involves breaking apart cells to release theircytoplasm and its contents. When the purpose is to extract organelles, it is frequentlydone in two steps; first, using a blender to break the tissue up, and then with anultrasonic or mechanical tissue disruptor. The organelles are then generally separatedusing differential centrifugation.Freeze-dryingFreeze-drying also known as lyophilization, and it is a dehydration process typicallyused to preserve perishable material or make the material more convenient fortransport. It works by freezing the material and then reducing the surrounding pressureto allow the frozen water in the material to sublimate directly from the solid phase tothe gas phase.
WHAT IF? A chicken has 78 chromosomes in its somaticcells. How many chromosomes did the chicken inheritfrom each parent? How many chromosomes are in eachof the chicken’s gametes? How many chromosomes willbe in each somatic cell of the chicken’s offspring?
Animal and plant cell prophase similarity? Animal and plant cell Metaphase similarity? Animal and plant cell Anaphase similarity? Animal and plant cell Telophase similarity? 1. Explain why we used these particular cells to map the phases of mitosis (Whitefish blastula and Onion Root Tip).  Why do these cells best demonstrate the phases of mitosis?

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The Cell Cycle and its Regulation; Author: Professor Dave Explains;https://www.youtube.com/watch?v=eqJqhA8HSJ0;License: Standard YouTube License, CC-BY
Cell Division - Mitosis and Meiosis - GCSE Biology (9-1); Author: Mr Exham Biology;https://www.youtube.com/watch?v=w7vp_uRA8kw;License: Standard YouTube License, CC-BY