3. Investigate: Select the cell membrane. Turn on Show closeup. Read the description, watch the animation, and answer the following questions below.
A. What kind of molecules diffuse (go through) the cell membrane directly?
B. How can some large molecules and charged ions get through the cell membrane?

Use this diagram of an animal cell to answer the question. where does the first stage of cellular respiration occur? w x y z

Twind is considered to be an abiotic factor because it.?

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