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31 Cards in this Set

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  • Back
Cytoplasm
Region of a cell between the nucleus and the plasma membrane
Flagella
Long thin whip-like structures
Sex Chromosome
1 or 2 chromosomes of the 23rd pair of human chromosomes which determines gender
Chromosome
condensed threads of genetic material formed from chromatin as a cell prepares to divide
Cytokinesis
Process which cytoplasm of a cell is divided in 2
Diploid
Having 2 or more homologous sets of chromosomes
Golgi Apparatus
Cellular Organelles that modifies, stores, and routes cell products
Mitochondria
Cellular organelles where cellular respiration occurs (power house)
Cilia
short structures projecting forma cell and containing bundles of microtubules that move a cell through its surroundings or move fluid over the cells surface
ATP
main energy source that cells use for most of their work
Adhesion
Attraction between unlike molecules
Monomers
small molecular unit that is the building block of a larger molecule
Capillary
Blood vessel that carries blood between an artery and a vein, allowing exchange of substances
Lysosome
membrane bound sac containing digestive enzymes that can break down proteins, nucleic acids, and polysaccharides
Ribosome
Cluster of proteins and nucleic acids that constructs proteins in a cell
Mitosis
Nucleus and duplicated chromosomes of a cell divide and are evenly distributed, forming two daughter nuclei
Osmosis
passive transport of water across a selectively membrane
Diffusion
Net movement of the particles of a substance from where they are more concentrated to where they are less concentrated
Active Transport
Movement of molecules across a membrane requiring energy to be expended by a cell
Passive Transport
Diffusion across a membrane requiring only the random motion of molecules with no energy expended by the cell
Autosome
Any chromosome that’s not a sex chromosome
Biogenesis
Living organisms develop only from other living organisms and not from living matter
Binary Fission
Mode of prokaryote asexual reproduction in which each daughter cell receives an identical copy of the parent’s chromosome
DNA Fingerprint
Unique bonding pattern on an electrophoresis gel
Haploid
having a single set of chromosomes
Translation
A sequence of nucleic acids in RNA is used to direct the production of a chain of specific amino acids
Cell Wall
Strong wall outside a plant cells plasma membrane that protects
Chloroplast
Organelle found in small plant cells and certain unicellular organisms where photosynthesis takes place
Natural Selection
Individuals with inherited characteristics well suited to the environment leave more off spring than do other individuals
Transcription
DNA template is used to produce a single stranded RNA molecule
Evolution
generation to generation change in the proportion of different inherited genes in a population