A type of transport protein found in the plasma membrane of cells lining the inside of the intestine allows sodium ions to diffuse down their concentration gradient. The ions move through the transport protein, and into the cell
These transport proteins will use the kinetic energy of the diffusing sodium ions to bring glucose into the cells as well. This transport protein would best be described as ________.
A) a carrier protein
B) a symporter
C) a pump
D) a channel
B
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Match the cell structure with the product that it produces: nucleolus
A)Cilia and flagella (microtubules) B)Ribosomes C)ATP D)Transport vesicles E)Lysosomes and secretory vesicles
Thrusting the head forward to contact an incoming soccer ball is an example of
_________. Fill in the blank(s) with correct word
Which form of contraception allows fertilization but prevents implantation?
A) pill B) diaphragm C) IUD D) female condom E) sponge
Smoking diminishes ciliary action and eventually destroys the cilia
Indicate whether the statement is true or false