Back to AI Flashcard MakerBiology /Biology EOC Review Part 7
nuclear membrane
controls what goes in and out of the nucleus
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Key Terms
Term
Definition
nuclear membrane
controls what goes in and out of the nucleus
tissue
group of similar cells that perform a particular function
toxin
a poison that can harm an organism
trait
a characteristic that an organism can pass on to its offspring through its genes.
transcription
process where the DNA sequence in a gene is copied into mRNA
tRNA
transfer RNA; type of RNA that carries amino acids to the ribosome
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| Term | Definition |
|---|---|
nuclear membrane | controls what goes in and out of the nucleus |
tissue | group of similar cells that perform a particular function |
toxin | a poison that can harm an organism |
trait | a characteristic that an organism can pass on to its offspring through its genes. |
transcription | process where the DNA sequence in a gene is copied into mRNA |
tRNA | transfer RNA; type of RNA that carries amino acids to the ribosome |
translation | decoding of a mRNA message into a polypeptide chain |
vacuole | cell organelle that stores materials such as water, salts, proteins, and carbohydrates |
variation | differences between organisms |
vascular tissue | tissue that conducts water and nutrients through the plant body in plants |
vestigial structure | parts of an organism that are no longer functioning and do not affect survival |
virus | package of nucleic acid wrapped in a protein coat that must use a host cell's machinery to reproduce itself |
xylem | the vascular tissue through which water and nutrients move in plants |
zygote | fertilized egg |
osmosis | diffusion of water through a selectively permeable membrane |
parasitism | symbiotic relationship in which one organism lives in or on another organism (the host) and consequently harms it |
passive transport | The movement of materials through a cell membrane without using energy |
pathogen | disease-causing agent |
phenotype | physical characteristics of an organism; like green eyes, bushy tail or sleek tail |
phloem | the vascular tissue through which food moves in plants |
photosynthesis | process by which plants and some other organisms use light energy to convert water and carbon dioxide into oxygen and carbohydrates |
phototropism | Plant growth in response to light |
phylogenetic tree | diagram showing evolutionary relationships of organisms with a common ancestor; resembles a tree |
phylogeny | The study of evolutionary relationships among organisms |
pioneer species | first species to populate an area during primary succession |
pollination | transfer of pollen from the anther to the stigma of a plant |
prophase | first and longest phase of mitosis, during which the chromosomes become visible and the centrioles separate and take up positions on the opposite sides of the nucleus |
protein | macromolecule that contains carbon, hydrogen, oxygen, and nitrogen; needed by the body for growth and repair and to make up enzymes |
protein synthesis | the formation of proteins by using information contained in DNA and carried by mRNA |
protist | single-celled or simple multicellular eukaryotic organisms that generally do not fit in any other kingdom |
punctuated equilibrium | pattern of evolution in which long stable periods are interrupted by brief periods of more rapid change |
Punnett square | a chart that shows all the possible combinations of alleles that can result from a genetic cross |