The rate of diffusion through a semipermeable membrane will be lowest when ____
a. molecules are small
b. there is a concentration gradient
c. there is a difference in charge
d. there is high pressure
e. temperatures are low
e
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Leuconostoc species have the ability to grow in high concentrations of sugar, making them a major problem in sugar refineries during the production of heavy syrup.
Answer the following statement true (T) or false (F)
Explain how radiometric dating allows scientists to determine the age of a particular fossil
What will be an ideal response?
Plasmodesmata are
a. only found in root cells. b. connections between xylem and phloem. c. incapable of structural change. d. able to be opened and closed. e. only found in leaf cells.
Filtration slits are located between adjacent podocytes
____________________ Indicate whether the statement is true or false.