a group of cells that have a common function are called?
tissue
the skin is a major organ of a
integumentary system
in a homeostatic system, the organ that measures a particular parameter is called
receptor
In a negative feedback system initiated by a very cold environment, the effector in a mammals belongs to which class of tissue
muscle
Proteins are made of sequences of
amino acids
the organelle that packages proteins to ship them to the plasma membrane is called
the golgi apparatus
the substrate that enters the citric acid cycle
Acetyl CoA
Communicating junctions between neighboring cells are
tight junctions
What are channels?
they are integral proteins, the allow diffusion of ions, they form pores un the membrane, the diameter of their pore is slightly larger than that of the ion the permeate
Voltage gated channels open and close when
there is a change in charge or potential
Movement of water is called
osmosis
When cells are submerged in water they will
burst
engulfing of large molecules is known as
endocytosis