Which of the following is not true of genomic and cDNA libraries?
A. Genomic libraries contain fragments of genomic DNA that are generated by partial digests with restriction enzymes.
B. cDNA libraries contain cDNAs made from mRNA.
C. cDNA libraries only contain sequences from transcribed genes.
D. Genes represented in cDNA libraries contain control sequences that direct transcription.
E. Genomic libraries usually contain large fragments and are likely to be constructed in YAC or BAC vectors.
D
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The entire complement of RNA produced under a given set of conditions is called a(n)
A) array. B) genome. C) proteome. D) transcriptome.
Planktonic foraminifera often have smaller photosynthetic protists such as diatoms or algae ____
a. living inside them b. living on their shell c. living near them on the ocean floor d. aiding in the building of their shell e. providing carbon dioxide for them
An oral contraceptive pill contains ____
a. estrogen only b. progesterone only c. FSH d. LH e. estrogen and progesterone
When Mendel crossed plants that were purebred purple-flowered with plants that were purebred white-flowered, the resulting offspring all had purple flowers. When allowed to self-pollinate, this F1 generation gave rise to white-flowered plants as well as purple. As a result, Mendel determined that individual traits are
A. inherited as discrete units. B. diluted in offspring C. merged with successive generations. D. lost in the pollination process.