________ is the polysaccharide most commonly found in highly fibrous foods such as celery.
A. Chitin
B. Cellulose
C. Glycogen
D. Starch
Answer: B
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With the advent of tools to incorporate molecular data, phylogenetic analysis can be used to:
A. reconstruct the evolutionary history of a group of organisms over millions of years. B. track the spread of a pathogen, such as a fungus or virus, from place to place. C. identify the origin of invasive pest species. D. track shipments of endangered species or their products (such as elephant ivory or bushmeat). E. All of the answer options are correct.
Deoxyribonucleotidesare included in the Sanger sequencing reaction mix to _____
a. provide a substrate forRNA polymerase b. enhance the activity of the dideoxyribonucleotides c. allow longer DNA fragments (up to 300 additional base pairs)to be sequenced d. allow the production of multiple DNA fragments of different lengths e. prevent the DNA polymerase from making too many errors
Meteorites seem to come from both the asteroid belt and the comets
a. True b. False Indicate whether the statement is true or false
Which tissues are found in a sample of skin?
What will be an ideal response?