"Adult" stem cells are more accurately called tissue-specific or somatic stem cells because
A) they are also present in the tissues of embryos, fetuses, and children.
B) some adults do not have them.
C) whether they are present or not in an adult depends upon the individual's level of maturity.
D) an adult body also contains embryonic stem cells.
A) they are also present in the tissues of embryos, fetuses, and children.
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Which group includes the simplest of organisms that do not have a nucleus?
A. Archaea B. Protista C. Bacteria D. Archaea and Bacteria E. Fungi
Myrmechochores are ants that are attracted to the seeds of certain plants
Indicate whether the statement is true or false
The kind of vegetation in a tropical rain forest is generally determined by the amount of
A) rainfall. B) organic material in the soil. C) minerals in the soil. D) light.
Through genetic analysis, Jacob and Manod were able to make predictions about the lac operon. However, which of the following techniques confirmed their predictions?
A) PCR B) CRISPR C) crystal structure analysis D) DNA sequencing E) recombinant DNA technology