________ and ________ BOTH contain inverted repeats and encode transposase
a. F plasmids / R plasmids
b. Bacteria / Archaea
c. Temperate phages / defective phages
d. Insertion sequences / transposons
Answer: D
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Steroid hormones bind to receptors inside the cell and alter their conformation. The hormone-receptor complex is then transported into the nucleus, where it can directly affect gene expression. To get from the location where the receptor binds the hormone to its site of action, the hormone-receptor complex must _____.
A) undergo another conformational change B) become water soluble by binding to a carrier molecule C) be transported through the nuclear pore complex D) enter the smooth endoplasmic reticulum
Homologous chromosomes pair along their length during prophase I of meiosis. While two homologues are paired, genetic exchange may occur between them in a process called ________.
A. syngamy B. synapsis C. independent assortment D. crossing over
A sheep eating by pulling the plant out of the
ground is an example of
a. parasitism. b. predation. c. commensalism. d. mutualism. e. competitive exclusion
If you skip a meal, ____
a. insulin levels will rise b. glucagon levels will rise c. glucose will be taken up by cells d. both insulin and glucagon levels will rise e. glucose will be converted to glycogen