The duplicated chromosome is composed of two sister chromatids held together at a

What will be an ideal response?


centromere

Biology & Microbiology

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This type of RNA is typically found as a strand about 75?90 bases long that folds into a structure with

four double-helical segments.

a. snRNA b. pre-mRNA c. rRNA d. tRNA e. mRNA

Biology & Microbiology

__________ behavior is altered by experience. Fill in the blank(s) with the appropriate word(s)

Biology & Microbiology

Periosteum

What will be an ideal response?

Biology & Microbiology

Which of these organs is in the thoracic cavity?

a. Esophagus b. trachea c. thymus d. all of these

Biology & Microbiology