Which of the following steps, in order, were used to determine what receptor in the hypothalamus
binds NPY?
a. clone gene; sequence gene; Northern blotting experiment
b. sequence gene; Northern blotting experiment; clone gene
c. Northern blotting experiment; clone gene; sequence gene
d. clone gene; Northern blotting experiment; sequence gene
e. sequence gene; clone sequenced gene; Northern blotting experiment using cloned gene
A
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The bacterium Bacillus tumefaciens has been harnessed in biotechnology because it can insert a gene from one species of plant into another. This can also occur in nature and is referred to as
A. vestigial transfer. B. homology. C. horizontal gene transfer. D. vertical evolution. E. exon shuffling through endocytosis.
Some strategies for protecting endangered species include the use of DNA profiling to identify illegally traded animal
parts and assisted reproduction techniques to help boost population numbers. These techniques are examples of _____. a. biotechnology b. gene pooling c. biosynthetics d. environmental forensics e. DNA cloning
Why is only one strand of DNA transcribed into mRNA?
a. Because mRNA is only required in small quantities. b. Because transcribing both DNA strands would produce different amino acid sequences. c. Because the other strand would produce the same amino acid sequence in reverse order. d. Because all genes are located on the same DNA strand, while the other strand acts as protection. e. Because the other strand is transcribed directly into amino acids.
Some ________ use group translocation as a means of transport
A) eukaryotes B) bacteria C) archaea D) protozoa E) eukaryotes and prokaryotes