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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

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


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