The actions of Xist result in an organism that is a phenotypic mosaic.
Answer the following statement true (T) or false (F)
True
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Choose the true statement about genome size and gene number in animals.
A. There is a strong correlation between the number of genes and genome size. B. Much of the extra DNA in humans is in the form of exons. C. The pufferfish has a larger genome than humans and more genes. D. Genome size differences depend to a large extent on the amount of retrotransposon DNA present.
If during a chemical reaction, a molecule loses hydrogens, it could be described as being oxidized
Indicate whether the statement is true or false.
Early one morning in a microbiology class, a student examining his cheek scraping slide with a light microscope, spots an unusual bunch of cells mixed in with the large nucleated cells from his cheek. His instructor takes a look and informs him that they are bacteria. Would those be prokaryotic or eukaryotic cells?
a. both b. neither c. prokaryotic d. eukaryotic
Monosaccharides are water soluble because:a
they contain a large number of methyl groups. b. they have a large number of polar hydroxyl groups. c. they have at least one double bond between adjacent carbons. d. they have large numbers of nonpolar carbons in their backbones. e. they can form ring structures.