All genes are active at the same time in a prokaryotic cell and controlled by positive regulation, but not in a eukaryotic cell.
Answer the following statement true (T) or false (F)
False
All genes are not active at the same time in a prokaryotic cell or eukaryotic cell. Many genes are controlled by negative regulation as well as positive regulation.
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Which one of the following pairs is mismatched?
A. lysosome-protein synthesis B. cytoskeleton-microfilaments C. nucleus-DNA replication D. cell membrane-lipid bilayer E. Golgi apparatus-modification, processing, and sorting of macromolecules
Which age structure is common in developed countries with zero population growth?
a. High percentage of middle-aged and older individuals b. High percentage of young individuals of reproductive age c. High percentage of individuals who do not live to old age d. High percentage of young and middle-aged individuals
The process of mineral particles such as clay and salts accumulating in the B layer of soils is referred to as ________
Fill in the blank(s) with correct word
In estimating the effect of price on sales (Salesi = ?0 + ?1Pricei + Ui), you are attempting to find an instrumental variable that will solve the endogeneity problem caused by the confounding factor of number of competitors being within Ui, which is correlated with price. Which of the following statements would suggest that wholesale costs would satisfy the exogenous condition to be a potential instrument variable?
A. Wholesale costs are uncorrelated with price. B. Wholesale costs are uncorrelated with number of competitors. C. Wholesale costs are uncorrelated with sales. D. Wholesale costs are correlated with price.