Biology: Chapter 2 Chemistry Of Life

Anapase – shortest part of mitosis
1. two sister chromatids split
2. these chromatids, now chromosomes, move toward opp. poles of the cell
3. this is because the microtubules are pulling them
Chemosynthesis – the chemical reaction that captures energy from environmental chemicals and stores it in the chemical bonds of organic molecules
Cell Theory – The theory that cells form the fundamental structural and functional units of all living organisms
fitness – the ability to survive and reproduce
Deoxyrobose – five-carbon sugar which makes up part of the backbone of DNA
crossing over – Nonsister chromatids exchanging DNA segments.
Describe the main function of the human body system – Nervous. – To conduct and receive signals from the body and from the external environment
valence electrons – electrons in the outermost electron shell of an atom
Vagina – transports unfertilized eggs out of body/ facilitates sperm transport into body
isotope – one of two or more atoms with the same atomic number but with different numbers of neutrons
A prefix for together, joined is
Needham – Believed that spontaneous generation could occur; his experiment included heating, not boiling, flasks of broth. After sealing the flask, living things formed within.
Glycogen – Animal polysaccharide used for energy storage
Overexpression – the creation of more protein than normal from a gene
Where in the loop of Henle does water passively diffuse out? – …
Name and describe what happens during interphase

10.2 – G1 phase – cell growth: cells increase in size and synthesize new proteins and organelles
S phase – DNA replication: chromosomes are replicated and the synthesis of DNA takes place
G2 phase – preparation for mitosis: shortest of the 3 phases of interphase, many of the organelles and molecules required for cell division are produced

A prefix fоr tоgether, jоined is
What are the 4 organic compounds? – carbs, lipids, proteins, nucleic acid

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