Cheese manufacturing involves enzymatic or microbial processing of the milk protein ________ to form a coagulated mixture called curd
A) chymosin
B) rennin
C) malt
D) lactic acid
E) casein
E
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Regulation of physiological drives is controlled by the:
A. medulla. B. temporal lobes. C. hippocampus. D. limbic system.
Cells may need to respond to changes that occur rapidly in their environment. Which of the following is the most rapid response that cells can use to change the activities of gene products?
A. covalent modification of proteins B. alter the transcription levels of genes C. change the rate of protein transport D. modify the chromatin structure around genes
The most common isotope of carbon has an atomic number of 6 and a mass number of 12, while the most common
isotope of oxygen has an atomic number of 8 and a mass number of 16. A molecule of CO2 made up of these common isotopes has a molecular weight of ____.
a. 28 b. 44 c. 56 d. 14 e. 22
Gene expression is the same in both prokaryotes and eukaryotes; they are just regulated differently. What is gene expression?
a. discontinuation of the production of a gene due to an excess of the product b. a form of positive feedback where the product induces additional production of a protein c. the process of turning on a gene to produce RNA and protein d. a form of remote sensing similar to chemotaxis