Rarely, a chromosome's structure becomes altered when part of it undergoes __________,

__________, __________, or __________. Fill in the blank(s) with the appropriate word(s).


duplication; deletion; inversion; translocation

Biology & Microbiology

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A parasite is also a(n):

A. nitrogen fixer B. autotroph C. heterotroph D. methanogen E. mutualist

Biology & Microbiology

The living members of the ____ lineage, the hagfishes, are jawless vertebrates with axial skeletons composed of only a cranium and a notochord.

a. Petromyzontoidea b. Placodermi c. Cephalochordata d. Urochordata e. Myxinoidea

Biology & Microbiology

All proteins are enzymes.

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

Biology & Microbiology

The region of a chromosome where two sister chromatids are held together is called a

A.) Spindle B.) Centromere C.) Nucleosome D.) Centriole

Biology & Microbiology