There are 4 molecules racing to get across a typical cell membrane.
(a) c6h12o6
(b) co2
(c) cl -
(d) ch3ch2ch2cooh (a fatty acid).

predict the order they make it across.
(a) a, b, c, d
(b) b, d, a, c
(c) c, a, b, d
(d) d, c, d, b
(e) b, c, a, d

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils

What is the average speed of a car that traveled 300.0 miles in 5.5 hours

Which part of the neuron below is indicated by the arrow, and what is its function? hormones send chemical signals throughout the body to regulate other body processes. hormones are chemical signals that are sent throughout the body to regulate other body processes. hormones send electrical signals throughout the body to regulate other body processes. hormones are electrical signals that are sent throughout the body to regulate other body processes.