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Biological Science 1


Definition of Biology. Understanding the Characteristics of Living Things. Determining the Steps in the Scientific Method. Understanding Cell, Tissue, Organ, and Organ Systems as part of the Organism.

Biological Science Practice Quiz

Welcome to your Bio Quiz 1

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The Bond that forms when there is sharing of electrons between atoms.
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.
It is the smallest of all atoms. It consists of single proton and no neutrons.
It is the type of protein structure that is determined by the sequence of the amino acids bound by peptide bonds.
RNA is structurally related to DNA, and three types of RNA also play important roles in protein synthesis. What does RNA mean ?
These are atoms of the same element that have different atomic masses.
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.
This are relatively weak attractive forces acting between nonpolar atoms and molecules to clump together.
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 the structural polysaccharides found mostly in plant cell walls
This compounds may contain hundreds or thousands of simple sugars covalently linked into chains. Example includes starch, cellulose,
It consist of two or more organs working together in the execution of specific body function.
Living things reproduce themselves through the molecular blueprint called DNA. What does DNA mean ?
It is a substance that cannot be separated into simpler substances by purely chemical means.
These are compounds consisting of three fatty acid chains attached to a molecule of glycerol.
_________ are organic molecules that tend to be fat-soluble rather than water-soluble.
These are large molecules composed of repeating units of structure. They have the empirical formula (CH2O)n
This are the building blocks of proteins.
The number of protons in a single atom.
It is the principal constituent of the exoskeletons (shells) of insects and other arthropods, including lobsters and crabs.
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.
Some examples of this type of Fat are olive and peanut oils.


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