Our species is called Homo sapiens. The first word refers to which taxonomical grouping?
A. Kingdom.
B. Phylum.
C. Order.
D. Genus.
E. Species.
D. Genus.
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Teichoic acids, mycolic acids, peptidoglycan, and disaccharide-pentapeptide subunits are all building blocks of which bacterial structure?
a. Outer cell membrane b. Flagella c. Inner cell membrane d. Cell wall
Alterations in DNA, whether they occur by mistake during replication, or as a result of some type of damage, can lead to mutations. Mutations, however, are rare in terms of leading to actual damage to a cell. Why?
What will be an ideal response?
Epithelial tissues are attached to the underlying tissues by a basement membrane
____________________ Indicate whether the statement is true or false.
What useful information can you derive from the protein/lipid ratio of the following?nerve cell plasma membrane 0.23inner mitochondrial membrane 3.54
A. Nerve cell plasma membrane requires relatively more lipid that the inner mitochondrial membrane for its function B. Nerve cell plasma membrane probably use the lipid as insulation C. The inner mitochondrial membrane is probably involved in considerable metabolic activity D. The nerve cell plasma membrane and the inner mitochondrial membrane have widely different functions. E. all of the above