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Specific sequence of nucleotides - a discrete unit of information
part of DNA, four different types
DNA - long cable like molecule. each molecule formed from two long chains of building blocks - nucleotides - wound around eachother
Cell Theory - a
all living organisms consist of cells. all cells come from preexisting cells. basic idea to understand reproduction and growth of all organisms
Matthias Schlediden and Theodor Schwann (country, date) goal:
Germany 1839 - concluded all living organisms consist of cell
Anton Van Leeuwenhoek -dutch
used microscopes capable of magnifying 300 times and discovered single-celled life in a drop of pond water
Robert Hooke England 1665 discovered..
cells by using first microscopes that magnified 30 times
Cells are basic..
units of life
all organisms are composed of
Continuity of life depends on faithful copying of _____
cells DNA into daughter cell
entire set of DNA instructions that specifies a cell, sequence of human genome. 3 billion nucleotides long and decoded in rough draft form in 2001
Function in molecules is dependent on..
particular nucleotide changes in gene sequence. Represents evolutionary history of the gene the "family tree". Agrees well with those derived from the fossil record.
Genes show relationships between...
Similar function - different evolutionary origins
same evolutionary origin but differ in structure and function
many vertebrates share same ___ that show their common evolutionary past
Earth is how many billion years oldq
We all evolved from... to ...
simple to complex
natural selection predicts ...
relative positions in time of transitional forms of creatures
Darwin predicted fossil record would yield links between ...
groups of organisms
how old is the theory of natural selection
120 years old
- animal breeders selected certain varieties of pigeons and other animals to produce certain characteristics that produced:
- Variety of traits
characteristics of living things
order, organization, reproduction, reaction to stimuli, homostasis, adaptation, use of energy
hierarchical organization of life?
- Boy. biosphere
- Every. Ecosystem
- Child. Community
- Spies. Species
- Pies. Population
- Orange.Organ system
- Octate. Organ
- oliver. organelle
- make. macromolecule
- more. molucule
- adam?. atom
What is an emergent property?
characterists that aren't utilized or shown until used with others. A tire I just a tire until it is put on a car then it is part of the car.
What is an emergent property of humans?
Our consciousness is not in any one cell, but when all our cells come togeather, we form consciousnesss
Deductive reasoning example
- This bread has peanut butter and jam.
- This other bread has peanut butter and jam.
- this other OTHER bread has peanut butter and jam.
- = Bread has peanut butter and jam.
Inductive reasoning example
- This bread has peanut butter on it.
- = All bread has peanut butter on it.
begins with an observation of things then a guess why that happens then testing to see if you were right. if not, you go to another hypothesis. and make the loop around till you find a hypothesis that is continually correct