hat is science?
Seeking answer to questions about the natural world
Levels of organization
Cells, tissue, organisms, population,
communities, ecosystem
Three Domains
Archea, Eucarya, Bacteria
binomial
...
hat is science?
Seeking answer to questions about the natural world
Levels of organization
Cells, tissue, organisms, population,
communities, ecosystem
Three Domains
Archea, Eucarya, Bacteria
binomial nomenclature
A system for giving each organism a two-word scientific name that consists of the genus name followed by the species name
DNA
the genetic makeup of a living thing. It is found in the cells and is unique to each person
Cell theory states
that all living things are composed of one or more cells, the cell is the most basic unit of life, and new cells arise from existing cells.
Prokaryotes
microbes that lack membrane enclosed organelles. First inhabitants on earth.
Eukaryotes
characterized by the presence of nuclei which contains DNA
Which of the domains are prokaryotes?
Bacteria and Archaea
Which of the domains are eukaryotes?
Eukarya
Ribosomes
Makes proteins, not surrounded by membrane
Nucleus
contains the genetic information for a cell and are involved in making ribosomes.
Mitochondria
Powerhouse of the cell, harvest energy through cellular respiration
Chloroplast
are used from photosynthesis and enable plants and algae to utilize the energy in sunlight to make sugars from carbon dioxide
parthenogenesis
new individual develops without fertilization
Hypothesis
I expect to observe (blank) because (blank)
Photoautotrophs
organism that is able to make its own food by converting solar energy to chemical energy
Pathogen
organism that causes disease
epidemic
disease that occurs un an unusually high number of individuals in a population at the same time
antibiotic
biological substance that, in low concentration, is antagonistic to the growth of prokaryotes
Autotroph
make their own food
Heterotroph
An organism that cannot make its own
food; a consumer
epidemiologist
studies the frequency and distribution of diseases within human populations and environments.
Cytokine
a chemical messenger that regulates cell differentiation, proliferation, and gene expression to effect immune responses
Host
an organism that is invaded by a pathogen or parasite
Antigen
foreign or "non-self" protein that triggers the immune response
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