Prentice Hall Biology Chap 12

central vacuole – a large cavity or sac that is found in plant cells or protozoans and that contains air or partially digested food
adaptation – The ability of an organism to thrive in conditions different from their native environment.
reactant – substance that is changed by a chemical reaction.
thallus – A plant or algal body that lacks true roots, leaves, or stems.
What is plasmolysis? – When a cell loses water and the cell contents shrink.
abiogenesis – the idea that long ago, very simple life forms spontaneously appeared through chemical reactions
organic compound – Compounds that contain carbon
mitochondrion – …bean-shaped organelle that supplies energy to the cell and has its own ribosomes and DNA
changes in the gene pool of a population over time which result in relatively small changes to the organisms in the population — changes which would not result in the newer organisms being considered as different species. – Microevolution
amino acid – monomer that makes up proteins; contains carboxyl and amino functional groups
Two types of active transport are:
c) maintain biodiversity of the area –
zygospore – A reproductive structure in some fungi formed by the union of isogametes.
quantitative data – are expressed as numbers, obtained by counting or measuring
Twо types оf аctive trаnspоrt аre:
Molecule – (physics and chemistry) the simplest structural unit of an element or compound
plastid – group of plant organelles that are used for storage of starches, lipids, or pigments
glucagon – A hormone that stimulates the production of glucose, to raise the blood sugar level.

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