Actinomycetes differ from fungi in that actinomycetes
A) are chemoheterotrophs.
B) lack a membrane-bounded nucleus.
C) require light.
D) are decomposers.
E) cause disease.
B
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Molecular sequencing suggests that mitochondria arose from a group of prokaryotic organisms within the
A) Crenarchaeota. B) cyanobacteria. C) iron-oxidizing bacteria. D) Proteobacteria.
The accumulation of new mutations in a population is usually a ______ factor against the fitness of the population
A. Negative B. Positive C. Neutral
All of the following are tenets of the cell
theory EXCEPT that a. all organisms consist of one or more cells. b. the cell is the smallest unit that retains the characteristics of life. c. since the first cell, each new cell is descended from previous cells. d. each cell is composed of products that it manufactures. e. cells may arise spontaneously under certain laboratory conditions
What did Mendel experiment with to learn more about hereditary traits?
What will be an ideal response?