Which of the following statements about the nuclear envelope is false?

a) nuclear pores are made up of a group of proteins that are collectively called the nuclear pore complex.
b) the nuclear envelope is continuous with the golgi apparatus.
c) the nuclear envelope is composed of two lipid bilayers.
d) molecules pass into and out of the nucleus through nuclear pores.

What advantages does a pedigree have over a written passage?

What are the student's observations and inferences before he starts his investigation?

This is a typical grassland food web. it is also a small picture of an important cycle on earth: the carbon cycle. describe how the carbon gets into this food web. a) bacteria and fungi, the decomposers, recycle carbon from dead organisms. b) carbon is found in the grass and is passed from one level to the next in this food web. eliminate c) all living things give off carbon dioxide as a by-product of respiration and it is released into the atmosphere. d) plants use carbon dioxide as a reactant in photosynthesis, to make usable chemical energy in the form of a sugar.