Unit 1 Flashcards
Nucleic acid that stores genetic information
DNA
nucleic acid that is involved in gene expression and regulation
RNA
cellular structure that synthesizes proteins
Ribosomes
biological macromolecule made of amino acids; essential for cellular function
proteins
passing on traits to offspring
Heredity
flow of genetic information – DNA makes RNA, RNA makes proteins.
Central Dogma
Form follows function. Things have structures that complement its function.
complimentarity
ability of an organism to maintain relatively stable internal conditions
Homeostasis
Negative Feedback Loop Process
stimulus > Receptor - Sensor > Control center > Effector > Response
_______ are single-celled or colonial organisms that do not have membrane-bound nuclei.
Prokaryote
do have membrane-bound organelles and a membrane-bound nucleus.
Eukaryote
chemical structure consisting of two or more atoms held together by chemical bonds
Molecule
groups of similar cells carrying out similar or related functions.
Tissue
_______ are collections of tissues grouped together performing a common function.
Organ
a higher level of organization that consists of functionally related organs.
Organ System