all organic compounds contain ______. - ✔️✔️carbon
true/false: cells can only arise from other cells - ✔️✔️true
define cell theory - ✔️✔️basic unit of life
carry out processes
comes from pre-existing cells
what is the outer boundary of the cell which acts as a selectively permeable barrier? -
✔️✔️cell membrane
what is the intracellular fluid packed with organelle? - ✔️✔️cytoplasm
what are organelle? - ✔️✔️Structures within the cell that have specific jobs
what are the major fluid compartments separated by the plasma membrane -
✔️✔️extracellular fluid
which two types of cell junctions would you expect to find between muscle cells of the
heart? - ✔️✔️demoes and gap junctions
what is the energy source of all types of diffusion? - ✔️✔️kinetic energy
what determines the direction of any diffusion process? - ✔️✔️concentration
Membrane junctions that allow nutrients or ions to flow from cell to cell are - ✔️✔️gap
junctions
the nuclear substance composed of histone proteins and DNA is: - ✔️✔️chromatin
the term used to describe the type of solution in which cells will lose water to their
environment - ✔️✔️hypertonic
what keystone bone articulates with all other cranial bones? - ✔️✔️sphenoid
the axial skeleton is made up of _____ bones - ✔️✔️80
3
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