click below
click below
Normal Size Small Size show me how
ANP Test 1
human Structure
Question | Answer |
---|---|
Atoms that gain or lose electrons become electrically charged and are called: | Ions |
The mechanism in which molecules or ions spread randomly from areas of higher concentration to areas of lower concentration | diffusion |
The hand is_____to the shoulder | distal |
An example of this process is the exchange of oxygen and carbon dioxide in the lungs. | Diffusion |
The head is _____ to the feet | superior |
An atom represents the smallest substance of | elements |
In human body the condition of a stable internal environment is called | homeostasis |
Which is the maximum number of electrons that occupy the 3rd electron shell of an atom? | 8 |
Which occurs through a membrane because of gravity or pressure? | filtration |
Organelles are usually found within the; | cytoplasm of the cell |
Which refers to a lengthwise plane that divides the body into right and left | sagittal plane |
Atom with a complete (maximum no. of allowable electrons)outer shells are referred to as | inert |
An atom consisting of 3 protons, 4 neutrons, and 3 electrons has an atomic weight of | 7 |
The "work bench of the cell"these maze-like structures are the surface upon which proteins and lipids are made; | Endoplasmic reticulum |
Which structures contain digestive enzymes, a type of acid: | lysosomes |
Which wrap proteins and lipids in a saran wrap like package | Golgi Bodies |
Consisting primarily of water, it is the gel-like intracellular fluid within the cell membrane. All organelles float in this | cytoplasm |
Within the cell there are structures that are necessary for the cell to live. They are called | organelles |
Which are considered to be the cell's power plant or energy generator | mitochondria |
Small granules of Rna and protein produce larger protein molecules to be used by the cell and the body | ribosomes |
Levels of biological organization | atom, molecule, macromolecule, organelle, cell, tissue, organ, systems,organism |
Chains that form a carbohydrate from smallest | monosaccharide, disacharides, polysacharides. |
Chains that form protein | amino acids, peptides , polypeptides |