A random change in the DNA nucleotide base sequence is called a ________

Fill in the blank(s) with correct word


mutation

Biology & Microbiology

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Although the intestinal microbiota for most people consists of the same types of organisms, the relative percentages of organisms varies significantly from person to person.

Answer the following statement true (T) or false (F)

Biology & Microbiology

____ are believed to have once existed as independent prokaryotes

a. Bacteriophages b. Chloroplasts c. Slime molds d. Protists e. Nuclei

Biology & Microbiology

Unlike many other animals, sponges lack

a. a digestive tract. b. a symmetrical body plan. c. nerve cells. d. larvae. e. all of these EXCEPT “larvae.”

Biology & Microbiology

The root zone of maturation is immediately above the root apical meristem (RAM).

Answer the following statement true (T) or false (F)

Biology & Microbiology