Which of the following in NOT one of the 4 types of chromosomal aberrations?
A. translocation
B. duplication
C. inversion
D. alternative reversions
D. alternative reversions
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The normal habitat of Clostridium tetani is
A. humans. B. animals. C. plants. D. soil and dust.
Answer the following statements true (T) or false (F)
1. An understanding of cellular biology is helping us find new treatments for many diseases. 2. The reason that mitochondrial DNA in most mammals is inherited from the mother only is because a sperm cell contains no mitochondria. 3. All living cells have a cell wall. 4. The Woese system of classification consists of a broad taxonomic grouping of organisms called the domain. 5. Most living cells are small in size because they need a small ratio of surface area to volume.
At __________, the fusion of two gametes produces a __________
Fill in the blank(s) with the appropriate word(s).
In prophase, the nuclear membrane disappears
Indicate whether the statement is true or false