How did schleidenis research differ from
schwann's research?
© each used a different procedure to examine
cells.
© each used a diferent type of instrument to
examine cells
one examined single-celled organisms and
the other examined multicellular organisms.
one examined plant cells and the other
examined animal cells

If we compare and contrast electromagnetic waves with sound waves, all but one statement is true. that is a) sound waves require a medium to travel while electromagnetic waves do not. b) electromagnetic waves can travel through the vacuum of space while sound waves cannot. c) electromagnetic waves must have a medium in which to travel, but sound waves can travel anywhere. eliminate d) sound waves must bounce off of matter in order to travel while electromagnetic waves do not require matter to be present.

Which of the following represents the ester functional group? a. -coo- b. -cho c. -cooh d. c=o

What is the wavelength of a 3*10^12 hz infrared wave a 3*10^20m b 1* 10^4m c 3*10^-3m d 1*10^-4 m