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pumpscience
midterm
| Question | Answer |
|---|---|
| genotype | genetic make up of an organism |
| phenotype | physical characteristics of an organism |
| codominance | situation in which both alleles of genes contribute to the phenotype of the organism |
| what are the five steps to the scientific method | observe,ask questions,hypothesis,experiment, and coming to a conclusion. |
| what is a cell | basic unit of life |
| what is DNA | genetic code |
| what are electrons and where are they found | negative charged and found outside the nucleus |
| what are protons and where are they found | positive charged and found inside the nucleus |
| things you can change in an experiment are called what | variables |
| what is metabolism | set of chemical reaction through which an organism builds up or breaks down materials it carries out its life process |
| what is independent variable | factor in experiment that can change |
| what is dependent variable | factor in an experiment that you can observe |
| what did ROBERT HOOKE do | discovered the cell |
| what are monomers | small unit that can join together with other small units to form polymers |
| what are enzymes | protein that acts as a biological catalyst |
| what is covalent bond and what is an ionic bond | bond formed when one or more electrons are transformed.bond formed by the sharing of electrons between atoms |
| what is adhesion | attraction between molecules of different substances in plants attraction between unlike molecules |
| what is eukaryote | organism whose cells contain nuclei |
| what is prokaryote | unicellular organism lacking a nucleus |
| what is an or organelle | specialized structure that performs important cellular functions within a eukaryote cell |
| what is a solvent | substance in which a solute is dissolved to form a solution |
| what is a solute | substance that is dissolved in a solvent to make a solution |
| what is diffusion | process by which molecules tend to move from an area where they are more concentrated to an area |
| what is an autotroph | organism that can capture energy from sunlight and produces its own food |
| what is a heterotroph | organism that obtains energy from the food it consumes |