Yellow-seeded pea plants may be homozygous or heterozygous. To find out which, cross the plants with
A) true-breeding green-seeded plants.
B) heterozygous green-seeded plants.
C) the same genotype.
D) true-breeding yellow-seeded plants.
E) heterozygous yellow-seeded plants.
A
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Self-assembly has been utilized or potentially may be used for all of the following applications except
A) nanotechnology. B) electrical conductivity. C) biosensors. D) drug delivery systems. E) All of the above are examples.
The tangled mass or tissue-like aggregation in a mold is called a ________.
A. thallus B. hypha C. mycelium D. hyphae
What property of phospholipids makes them suitable for the formation of the double layer found in membranes?
A. They have both a hydrophobic and a hydrophilic end. B. They are uncharged. C. They can interact with proteins. D. They serve as an attachment site for carbohydrates. E. They are composed of fatty acids.
Thymine dimers
A. involve mutations in purines. B. involve adjacent nucleotides in the DNA. C. result from exposure to chemicals. D. do not alter the structure of DNA. E. are formed by exposure to hydroxyurea