Which possible use of reproductive cloning is still considered by most to be an unresolved ethical issue?
A) the production of genetically identical animals for experimentation
B) cloning mammals for the production of potentially valuable drugs
C) the production of organs in cloned pigs for transplant into humans
D) the reproductive cloning of humans
Answer: D
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Transcription continues until:
A. all bases in the DNA are copied. B. a stop codon is encountered. C. a terminator sequence is encountered. D. a ribosome pulls RNA polymerase off the DNA. E. a transcription factor signals the end of the gene.
Which of the following is NOT a unique
angiosperm adaptation that allowed them to outcompete gymnosperms to become the dominant land plants?
a. they grow faster than gymnosperms b. pollination is assisted by insects and other animals c. animals assisted in seed dispersal by consuming their fruits d. angiosperms have non-flagellated sperm and thus can reproduce in dry areas e. more than one of these is NOT a unique angiosperm adaptation that allowed them to become the dominant land plants Chapter Fourteen 233
Plant species in the Santa Catalina Mountains have moved to higher ________ due to the effects of climate change
Fill in the blank(s) with correct word
By definition, an animal having a(n) closed circulatory system will also have a hemocoel
____________________ Indicate whether the statement is true or false.