Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
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
Normal Size Small Size show me how
PerkyPerk Bio Voc
Biology Critical Vocabulary
| Term | Meaning |
|---|---|
| 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:
YoungbloodScience
Popular Science sets