The first Archaea were found in extreme environments

1.True
2.False


1

Biology & Microbiology

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Mobile bits of DNA that can jump from one location on a chromosome to another location are called  

A.  simple sequence repeats. B.  transposons. C.  exons. D.  introns. E.  pseudogenes.

Biology & Microbiology

Association of histone H1 with linker DNA is required to form ____

a. heterochromatin b. the 10-nm chromatin fiber c. nucleosomes d. the solenoid e. euchromatin

Biology & Microbiology

What is the hormone produced by the seminiferous tubules that inhibits FSH from stimulating the production of sperm cells

Biology & Microbiology

A functional advantage of having human testes in the scrotum rather than in the abdomen is

A. a shorter sperm duct. B. lower temperature. C. greater protection to the testes. D. lack of room in the abdomen. E. more direct blood supply.

Biology & Microbiology