lecture 1 Flashcards
what are the 3 similarities inside cells
same molecular building blocks
same chemical reactions
same flow of genetic information
what are the basic functional units of life
cells
what are the 3 features that cells share
common genetic code
plasma membrane
ribosomes
do plant cells have a nucleus
yes
difference between cytosol and cytoplasm
Cytosol is fluid component - cytoplasm is basically everything within the cell
why are eukaryotic genomes bug
++ regulatory dna
how many different cell types does the human body contain
200
what is eukaryotic reproduction end in
2 identical daughter cells
what are the 2 daughter cells separated by
mitotic spindle
what does prokaryotic division result in
one copy of a single chromosome
what is prokaryotic devision called
binary fission
what causes locomotion in prokaryotes
flagellum
what is the composition of a flagella
protein filament
what causes locomotion in eukaryotic cells
flagella
which classes flagellum is more complex
eukaryotes
bacteria and archaea are what?
prokaryotic
what lives in extreme inhospitable environments (extremophiles)
Archaea
whats the only prokaryote without a cell wall
mycoplasma
what bacteria is involved in photosynthesis
cyanobacteria
what are protists
a complex eukaryote that’s similar to a whole organism
what is differentiation
formation of specialized cells
what are model organisms
non human species that are studied extensively
whats an example of a prokaryotic model organisms
E coli
what an example of a eukaryotic model organism
yeast, plant, worm, fly, mouse
