Messenger RNA molecules that direct the synthesis of more than one polypeptide are said to be ________.
Fill in the blank(s) with the appropriate word(s).
polycistronic
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What is a DNA library?
A. A collection of vectors, each containing a fragment of the original genome B. A complete sequence of the genetic material in an organism C. An electronic file that may be used for additional genetic analysis D. A collection of mRNA from a given cell
Cyclic electron transport is different from noncyclic electron transport in that cyclic electron transport
produces NADPH. __________________ Indicate whether the statement is true or false.
What is the main difference between siRNA and miRNA?
A. siRNAs are involved in RNA interference; miRNAs are not. B. miRNAs are encoded by the genome; siRNAsare not. C. miRNAs are processed by Dicer; siRNAs are not. D. siRNAs are double-stranded; miRNAs are not.
Match the following items with the correct phrase.
_______1. Yeasts and molds are examples of ____________________. _______2. All ____________________ are photosynthetic. _______3. ____________________ are classified by their means of locomotion. _______4. The cell walls of ____________________ contain chitin. _______5. The cell walls of ____________________ contain cellulose. _______6. ____________________ rarely cause infectious diseases, but cause a variety of microbial intoxications. _______7. ____________________ are examples of a symbiotic relationship known as mutualism. _______8. ____________________ cause diseases such as African sleeping sickness, babesiosis, cryptosporidiosis, malaria, and toxoplasmosis. _______9. Diseases caused by ____________________ are called mycoses. _______10. Toxins produced by ____________________ are called phycotoxins.