Save
Upgrade to remove ads
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account. Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

BI220 E1 L2

lecture 2 slides

QuestionAnswer
characteristics of life cellular organization, reproduction, heredity, growth + development, metabolism, response to stimuli, homeostasis, evolutionary adaptation
cells definition simplest units of life which can replicate
identified + named cells robert hooke
first witness of live cell under microscope antonie van leeuwenhoek
modern cell theory 1. all organisms are composed of cells 2. cells are the smallest living things 3. cells arise only from pre-existing cells year: 1838
basics of cell structure (4) 1. plasma membrane 2. cytoplasm / cytosol 3. chromosomes of dna 4. ribosomes
domains bacteria, archaea, eukarya
kingdoms eubacteria, archaea, protista fungi plantae animalia
prokaryote characteristics unicellular, no nucleus, have cell walls (bacteria, archaea)
virus characteristics non-living, obligate intracellular parasites, NOT CELLS
eukaryote characteristics uni or multicellular, have nuclei, have organelles, some have cell walls
tropism / host range spectrum of cells of a host that a virus may infect
virions virus particles outside of a host
glycocalyx sugar coat around prokaryotic cell
fimbriae small hair like projections for attachment
flagella long filaments used for taxis
pili long hairlike projection used for motility and DNA transfer between bacteria mating pair (sex pili)
cell wall maintains cell shape, provides bacteria w structure and protection from lysis
gram positive cell wall thick peptidoglycan layer
gram negative cell wall thin peptidoglycan layer
plasma membrane phospholipid bilayer underneath cell wall, controls biomolecule entry
cytoplasm contents inside cell structure
cytosol cytoplasmic fluid: nutrients, salts, proteins
ribosomes rRNA & protein complexes, used in translation
genetic material chromosomal DNA and plasmids
nucleoid bacterium genome, circular piece of DNA (chromosome)
plasmid bonus DNA. non-essential genes. acquired from other cells or enviro, freq. copied like chromosome, confer beneficial traits (darwinism)
archaea differences from bacteria no peptidoglycan in cell walls, use histones in DNA packaging, use Met not fMet during trans initiation, extremophiles
eukaryotic kingdoms protista, fungi, plantae, animalia
Created by: knorrod
Popular Biology sets

 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards