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Biology exam 1 SCF Dr. Thomas Verified Questions And Answers With Verified Updates

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  • Biology SCF Dr. Thomas
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  • Biology SCF Dr. Thomas

amphipathic molecules - containing hydrophobic and hydrophilic regions. Detergents and phospholipids Levels of complexity - biosphere, ecosystems, communities, populations, organisms, organ systems, tissues, cells, organelles, molecules taxonomic organization - Domain, Kingdom, Phylum, Class, O...

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  • August 10, 2024
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  • Biology SCF Dr. Thomas
  • Biology SCF Dr. Thomas
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Biology exam 1 SCF Dr. Thomas
amphipathic molecules - containing hydrophobic and hydrophilic regions. Detergents and
phospholipids



Levels of complexity - biosphere, ecosystems, communities, populations, organisms, organ
systems, tissues, cells, organelles, molecules



taxonomic organization - Domain, Kingdom, Phylum, Class, Order, Family, Genes, Species



Genomics - the study of whole genomes or total genetic/DNA make up



Proteomics - the study of sets of proteins and their properties



Hypothesis - Tentative answer to a well framed scientific question



Prediction - A logical statement about what will happen if the hypothesis is correct.



Conclusion - a judgement based on the information obtained from data collection



Theory - well-tested explanation that unifies a broad range of observations. A hypothesis that
went through extensive testing.



Control Group - the group that does not receive the experimental treatment.



experimental group - the group in an experiment that receives the variable being tested



Neutron - Largest Mass in the atom, no charge, located in the nucleus

, Proton - quantity is the same as the atomic number, located in the nucleus, positive charge



Electron - Orbit the outer layers of the atom, negative charge



Element - anything that takes up space with mass that cant be broken down into other things.



valence electrons - Outermost electrons, can be found based on elements group, used to find
type of bonds needed



Octet rule - in forming compounds, atoms tend to achieve the electron configuration of a noble
gas meaning they have 8 electrons in the valence level



Polar covalent bond - A covalent bond in which electrons are not shared equally



Nonpolar covalent bond - a covalent bond in which the electrons are shared equally by the two
atoms



Double bond - A chemical bond formed when atoms share two pairs of electrons

Characteristics of life - order and cells, evolutionary adaption, energy processing, growth and
development, response to the environment, regulation, reproduction




Electronegativity - A measure of the ability of an atom in a chemical compound to attract
electrons



hydrogen bond - Attraction between a slightly positive hydrogen atom and a slightly negative
atom, weak bond



Chemical reaction - the process by which one or more substances change to produce one or more
different substances

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