In order to protect an mRNA from nuclease activity in the cytosol of a cell, a(n) ________ is added to the 3' end during RNA processing
Fill in the blank with correct word.
Answer: poly (A) tail
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A ____ individual is always part of a testcross
a. heterozygous b. homozygous recessive c. homozygous dominant d. self-fertilized e. dihybrid
Which of the following is not a likely outcome
of global warming? a. Extinction of species. b. Increased human death due to heat exposure. c. Changes in animal migration patterns. d. Increased waterborne illness. e. All of these are likely outcomes of global warming.
Some restriction enzymes create blunt DNA ends, without the complementary single-stranded overhangs of sticky ends. What is the advantage of using restriction enzymes that create sticky ends vs. blunt ends for creating recombinant
DNA molecules? What will be an ideal response?
Which of the following is an example of homeostatic failure?
A) A pH balance of 7.37 with a respiratory rate of 28 breaths/min B) Severe vomiting and diarrhea and a heart rate of 120 beats/min C) Salt and water retention and a blood pressure of 170/98 mm Hg D) Core body temperature of 98.2°F and an ambient temperature of 28°F