Which of the following is an advantage of cDNA libraries?
A. cDNA libraries are easy to make.
B. cDNA libraries utilize genomic DNA, which is easy to obtain.
C. cDNA lacks introns and therefore reflects all the genes expressed by a particular tissue or organism.
D. cDNA lacks exons.
E. cDNA libraries are more stable than other DNA libraries.
C. cDNA lacks introns and therefore reflects all the genes expressed by a particular tissue or organism.
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The rumen is an ________ habitat that depends on ________ to digest cellulose for ruminant animals
A) aerobic / cellulolytic fungi B) aerobic / cellulolytic and fermentative bacteria C) anaerobic / methanogens D) anaerobic / cellulolytic and fermentative bacteria
Annelids are characterized by serial ________.
Fill in the blank(s) with the appropriate word(s).
Which of the following is incorrectly paired?
A) intrauterine insemination; donated sperm is placed in the woman's reproductive tract B) in vitro fertilization; fertilization occurs in a laboratory dish C) ICSI; DNA from an immobile sperm is injected into an oocyte D) GIFT; fertilization occurs in a laboratory dish
Most microbial contaminants of food are killed or inactivated at freezing temperatures.
Answer the following statement true (T) or false (F)