Topic to review before exam Flashcards
Common characteristic 1 that define life
Actively maintain organized complexity
Common characteristic 2 that define life
Acquire and use materials and energy
Common characteristic 3 that define life
Sense and respond to stimuli
Common characteristic 4 that define life
Grow
Common characteristic 5 that define life
Reproduce
Common characteristic 6 that define life
Evolve
Organisms are made of cells,
the basic units of life
Contain a variety of organelles, structures that carry out a different functions
Eukaryotic
Cells that lack membrane bound nucleus and organelles
Prokaryotic
Ability of an organism to maintain its internal environment
homeostasis
Control of body temperature in humans is a good example of
homeostasis
Binary fission
an asexual type of reproduction
Bacterial cell division occurs by a process known as
binary fission
Are viruses living?
No
Some atoms called what are so reactive that they can tear other molecules apart
Free radicals
hydrolysis
use water to break down molecules
dehydration
take water out to build up molecules
organic molecules
contain carbon backbones
Important function groups
OH, PO4, NH2
hexose
6 carbon
pentose
5 carbon
glycosidic bond
carbohydrates
peptide bond
proteins
R group
gives each amino acid distinctive properties