Welcome to StudyStack, where users create FlashCards and share them with others. Click on the large flashcard to flip it over. Then click the green, red, or yellow box to move the current card to that box. Below the flashcards are blue buttons for other activities that you can try to study the same information.
Test Android StudyStack App
Please help StudyStack get a grant! Vote here.
or...
Reset Password Free Sign Up

Free flashcards for serious fun studying. Create your own or use sets shared by other students and teachers.


incorrect cards (0)
correct cards (0)
remaining cards (0)
Save
0:01
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the Correct box, the DOWN ARROW key to move the card to the Incorrect box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

Correct box contains:
Time elapsed:
Retries:
restart all cards


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

PerkyPerk Bio Voc

Biology Critical Vocabulary

TermMeaning
Homeostasis Ability of a cell or organism to maintain equilibrium or internal balance
permeability rate of flow of a liquid or gas through a porous material
osmosis water moving from an area of high to low concentration
deoxyribonucleic acid double-stranded nucleic acid; contains nitrogen bases A, T, C, and G; found in nucleus of a cell
ribonucleic acid single-stranded nucleic acid; contains nitrogen bases A, U, C and G; mRNA (messenger RNA) tRNA (transfer RNA)
genetic mutation any change in nitrogen base sequence
replication process where genetic material or single-celled organism makes a copy
transcription messenger RNA (mRNA) made from DNA; occurs in nucleus
translation amino acid chain made from mRNA; occurs at ribosome
Taxonomy classifying organisms into natural relationships
monerans bacteria; organized into two kingdoms, Archaebacteria and Eubacteria
protist Eukaryotic unicellular organism divided into 3 groups; animallike, plantlike, and funguslike
virus particle made up of nucleic acid wrapped in protein coat; unable to reproduce without a host cell; not considered living
speciation evolutionary development of a new biological species
phylogeny evolutionary development of an organ or other of an organism
adaptation a change that improves a species ability to survive
mutualism relationship between two living organisms where both species benefit
parasitism relationship between two living organisms; good for one and bad for the other
commensalism relationship between two living organisms; one is helped and the other is unaffected
predation capturing prey to maintain life`
meiosis cell division that makes cells with half number of chromosomes
mitosis cell division where each new cell looks like the parent cell
diploid having a pair of each type of chromosomes; 2n
haploid contains half the normal chromosome number; n
autotrophic organisms that can make its own food from light or chemical energy
heterotrophic an organism that cannot make its own food; must comsume other organisms
prokaryotic organisms with no nucleus
eukaryotic organism that contains nucleus
adenosine triphosphate major source of energy; ATP
organelles a structure within a cell that performs a specific function
Created by: Donna Sue Perkins Donna Sue Perkins on 2009-04-07



bad sites Copyright ©2001-2014  StudyStack LLC   All rights reserved.