Biology 100 Final Exam Questions Answered Correctly.
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Bio 100
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Bio 100
What is a scientific theory? - Answer A scientific theory is a well-substantiated explanation of some aspect of the natural world, based on a body of facts that have been repeatedly confirmed through observation and experiment.
What is the correct order of complexity? - Answer Atom, Molecu...
Biology 100 Final Exam Questions
Answered Correctly.
What is a scientific theory? - Answer A scientific theory is a well-substantiated explanation of some
aspect of the natural world, based on a body of facts that have been repeatedly confirmed through
observation and experiment.
What is the correct order of complexity? - Answer Atom, Molecule, Organelle, Cell, Tissue, Organ,
System, Organism, Population, Community, Ecosystem, Biosphere
What is the definition of a population? - Answer Members of a single type of living thing, living
together in a defined area
What is homeostasis? - Answer Maintaining a constant internal environment
What is the definition of a tissue? - Answer A large mass of similar cells that make up a part of an
organism and perform a specific function.
Living things inherit information from their parents encoded in what? - Answer DNA
What are the subatomic particles of an atom? - Answer protons, neutrons, and electrons
Which subatomic particle plays the greatest role in chemical reactions? - Answer electrons
Why will atoms react with other atoms? - Answer their outermost shell of electrons has not been filled
What is the definition of a hydrophobic molecule? - Answer A molecule that is repelled by water or is
"water-fearing".
How many covalent bonds can oxygen make with hydrogen? - Answer two
, What is the definition of a solute? Solvent? - Answer A solute is the substance to be dissolved
(example: sugar). The solvent is the one doing the dissolving (example: water).
What is the definition of an acid (in regards to hydrogen atoms)? - Answer Acids are substances that
can donate H+ ions to bases.
What is glycogen? - Answer a substance deposited in bodily tissues as a store of carbohydrates. It is a
polysaccharide that forms glucose on hydrolysis.
What is a polysaccharide? - Answer a carbohydrate (e.g., starch, cellulose, or glycogen) whose
molecules consist of a number of sugar molecules bonded together
What is a phospholipid? - Answer two fatty acids, attached to a glycerol 'head' and a phosphate group.
they are located in the phospholipid bilayer and have a hydrophilic (or 'water loving') head and a
hydrophobic (or 'water fearing') tail.
What are the functions of proteins? - Answer Quickening chemical reactions, chemical messengers,
repair and maintenance, energy, hormones, enzymes, transportation and storage of molecules, and
forming antibodies, healing, mechanical support, storing nutrients, cell signaling.
What are proteins made up of? - Answer amino acids
What is DNA made up of? - Answer nucleotides
What are the organelles found in an animal cell? - Answer nucleus, nuclear membrane, cytoplasm,
rough and smooth endoplasmic reticulum, mitochondrion, lysosome, Golgi body, ribosome
What is the boundary of an animal cell called? - Answer cell membrane
What is the main function of the nucleus? - Answer Its main function is to regulate gene expression; it
also controls cellular growth and replication.
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