Answer the question using the accompanying figure. The structure labeled “B” forms at the ____
a. junctions of A bands and I bands
b. H zone
c. junctions of A bands and H zones
d. M line
e. junctions of I bands and M lines
ANSWER: a
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The genetic code is translated in groups of ________ bases.
A. four B. five C. two D. three
A(n) ____________________ between chromosome 9 and chromosome 22 in chronic myelogenous leukemia results in a Philadelphia chromosome
Fill in the blank(s) with correct word
The origin of the mitochondrion and chloroplast by endosymbiosis, hypothesizes that these organelles originated by
A. the fusion of two archean cells to form an early eukaryote. B. the absorption of RNA from prokaryotic cells. C. prokaryotic cells that became internal symbionts within an early eukaryotic cell. D. the uptake of free DNA from the environment. E. prokaryotic cells being engulfed and becoming external symbionts within an early bacteria cell.
Answer the following questions true (T) or false (F)
1. The three domains proposed by Carl Woese and George Fox are the Archaea, the Eukarya, and the Protista. 2. Gram staining of bacteria provides all the physical characterization necessary to identify bacterial species. 3. A single basic dye is used in simple stains.