Ap Biology Unit 2: The Cell

4.Prokaryotic cell – Cell that does not have a nucleus of other membrane bound organelles.
Excretion – The process by which metabolic waste products and toxic materials are removed from the body of an organism.
Archaebacteria – Kingdom of unicellular prokaryotes whose cell walls do not contain peptidoglycan
metaphase – the second phase of mitosis; chromosomes congregate along the equatorial plane of the cell
the__have a positve charge and are located in the central part of the atom which is called the nucleus – protons
secondary messengers – A small, nonprotein, water-soluble molecule or ion, such as a calcium ion (Ca2+) or cyclic AMP, that relays a signal to a cell's interior in response to a signaling molecule bound by a signal receptor protein.
photoautotroph – organism that uses energy from sunlight to convert carbon dioxide and water to carbon compounds
Seral community – Growing succession
A nuclear medicine test that measures thyroid function is a
Paludismo /I/ – Plasmodium: vivax, ovale, falciparium malariae/ hosts: humans(liver->red cells"destroy them), female anophales
facilitated diffusion – process of diffusion in which molecules pass across a membrane through cell membrane channel
lipid bilayer – Flexible double-layered sheet that makes up the cell membrane and forms a barrier between the cell and its surroundings
biological magnification – Toxins become more concentrated in successive trophic levels.
Climax community – A stable, mature community that undergoes little or no change in species over time
organic chemistry – The branch of chemistry that deals with compounds containing carbon.
What is cytosol? – The cytosol is the fluid component of the cytoplasm
A nucleаr medicine test thаt meаsures thyrоid functiоn is a
nucleic acids – large biomolecules such as DNA and RNA, made from monomers known as nucleotides
mechanism (scientific) – The combination of components and processes that serve a common function.

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