What is a composite transposon, and in what ways can it transpose?

What will be an ideal response?


Ans: A composite transposon has a central region flanked by two identical or similar insertion sequences. Each of these insertion sequences may transpose independently, or the entire transposon may transpose as a single unit.

Biology & Microbiology

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Mammals may ____ as a response to cold in order to limit the amount of heat lost to the surroundings

a. shiver b. go off to lay alone so that others do not take their heat c. press hair shafts close to the body d. reduce blood flow to the skin e. lose brown adipose tissue

Biology & Microbiology

Which of these statements about hypertension

is false? a. Blood pressure remains above 140/90 even at rest. b. Poor diet and lack of regular exercise puts one at increased risk. c. It may contribute to atherosclerosis. d. Most Americans with the disorder seek treatment. e. It tends to run in families

Biology & Microbiology

Previous experiments have not conclusively demonstrated XFF is the alien epinephrine, so you decide to investigate other XFF properties using radioactive XFF. Which of the following XFF behaviors confirm that XFF is similar to estrogen?

A) XFF binds only to the cell surface. B) XFF diffuses into the cell cytoplasm. C) XFF is internalized by receptor-mediated endocytosis. D) Ryanodine blocks the interaction of XFF with cells. E) Opioids block the interaction of XFF with cells.

Biology & Microbiology

The innate immune system recognizes pathogens by identifying unique microbial sequences not found on host cells. This system of recognition is called

A. AMP B. PAMP C. TLR D. MHC E. ROS

Biology & Microbiology