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Bio Sci 1

Biology. Living Things. Organism, Organ System, Organ, Tissue, Cell, Organelles , Molecule, Atom, Sub Atomic Particle. Scientific Method. Small and Large Molecules, Atomic Structure. Chemical Bonds.

Welcome to your Bio Quiz 1

It is a substance that cannot be separated into simpler substances by purely chemical means.
These are large molecules composed of repeating units of structure. They have the empirical formula (CH2O)n
It is the structural polysaccharides found mostly in plant cell walls
Which of the subatomic particles are about equal to each other in mass.
This are relatively weak attractive forces acting between nonpolar atoms and molecules to clump together.
Living things reproduce themselves through the molecular blueprint called DNA. What does DNA mean ?
It is the smallest of all atoms. It consists of single proton and no neutrons.
It is the principal constituent of the exoskeletons (shells) of insects and other arthropods, including lobsters and crabs.
It is the type of protein structure that is determined by the sequence of the amino acids bound by peptide bonds.
What are the Steps of the Scientific Method ( in order ) ?
It is sometimes said to be a zwitterion (in German this means “half-breed ion”) since it is both negatively and positively charged.
_________ are organic molecules that tend to be fat-soluble rather than water-soluble.
This are the building blocks of proteins.
It is a supposition, based on previous observations, that is offered as an explanation for the observed phenomenon.
It is the principal component of connective tissue such as tendons, ligaments, and muscle coverings, makes up about 25% of the protein in humans.
The Bond that forms when there is sharing of electrons between atoms.
The number of protons in a single atom.
These are compounds consisting of three fatty acid chains attached to a molecule of glycerol.
This compounds may contain hundreds or thousands of simple sugars covalently linked into chains. Example includes starch, cellulose,
Some examples of this type of Fat are olive and peanut oils.
It consist of two or more organs working together in the execution of specific body function.
It is a unit of chemical substance, consisting of atoms bound to one another by covalent bonds.
RNA is structurally related to DNA, and three types of RNA also play important roles in protein synthesis. What does RNA mean ?
It is the state in which the physical aspects of internal environment is being maintained within ranges suitable for cell activity.
These are atoms of the same element that have different atomic masses.

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