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Summary
This document provides an overview of three topics related to biology: chromosome
structure and reproduction, energy flow and life's needs, and the Calvin cycle.
Chromosomes are the structures that carry genetic information in cells. They are
composed of DNA and proteins, and can undergo different types of division to
produce new cells. Energy flow and life's needs describe how living organisms obtain
and use energy from their environment, and how they maintain homeostasis. The
Calvin cycle is a biochemical pathway that converts carbon dioxide into organic
molecules, using the energy from light reactions in photosynthesis.
PART 1
Energy Flow and Life’s Needs
Metabolism
All of the chemical reactions that occur within an organism that arenecessary for
the maintenance of life.
ï‚· Catabolic reactions
o Breakdown complex molecules and release energy
ï‚· Anabolic Reactions
o Use energy to build complex muscles
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