In a monohybrid cross, f2 refers to
a)the original mating pair
b)the grandparents of the 1st generation
c)the 1st filial generation
d)the second filial generation, or the "grandchildren" of the original mating pair

If the nucleus of a cell was removed the cell wouldn’t be able to make proteins because

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.

Which of the following is a true statements about viruses? viruses have no nucleus. viruses are alive. viruses have a cell membrane. all viruses are deadly.