A person whose cells all contain a chromosome number of 2n+1 most likely has what type of condition?
A. trisomy
B. monosomy
C. cancer
D. obesity
E. None, this is the normal chromosome number for humans.
Answer: A
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Mercury is NOT used in
A) electronics. B) neurotoxins. C) pesticides. D) paper pulping.
You have macrophage white blood cells that can respond to injury and infection by moving to the site of the wound. They can ingest infectious bacteria or viruses, and digest the organic molecules of what they take in. The digestion organelle they have is the
A. Golgi apparatus. B. peroxisome. C. vacuoles. D. lysosome. E. smooth endoplasmic reticulum.
Which one of the following is a function of a protein?
A) stores genetic material and enables its transmission to the next generation B) acts as a catalyst, speeding up chemical reactions C) is a major subunit of cellulose D) is a primary structural component of a cell membrane E) provides energy for a muscle contraction
There are individuals who are missing one of their sex chromosomes and are designated as XO individuals. These individuals
A. develop as males. B. develop as females. C. are unusually tall. D. are easily recognizable.