Summarize the three requirements for cloning once a source of DNA has been selected
What will be an ideal response?
Once a DNA source has been selected, cloning requires (1) a way to cut the DNA at specific sites to produce consistent, manageable pieces; (2) a carrier molecule to hold the DNA for transfer to a host cell for cloning; and (3) a host cell in which many copies of the selected DNA molecule can be produced.
You might also like to view...
Compared to mammals and reptiles, what characteristic prevents amphibians from surviving far from water?
A. Their limbs are too weak to support their weight on land. B. Their cartilaginous endoskeleton would dry out on land. C. They do not have any lungs and cannot breathe out of the water. D. Their eggs do not have an amnion to prevent them from drying out.
A single cell in a smoker's lung has become cancerous. It doubles its DNA and divides much faster
than a normal lung cell. The most likely change that would have caused this condition took place inthe:a. nucleus. b. nucleolus. c. microtubule. d. mitochondria. e. lysosome
What process allows evolution to "experiment" with genes to create novel functions? How is this manifested in extant genes (presently existing) and their relationships to each other?
What will be an ideal response?
Lignified, tube-like structures that branch throughout the body of some plants, conducting water and
solutes, are called ____.
a. vascular tissues b. apical meristems c. root systems d. rhizomes e. shoot systems