Collagen fibers are to the extracellular matrix as ________ is to the cell wall
Fill in the blank with correct word.
Answer: cellulose
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When there is no arabinose available in the environment, the AraC protein acts as a(n) ________ for the E. coli ara operon.
Fill in the blank(s) with the appropriate word(s).
Sumatra is home to one species of orangutan, a species of critically endangered elephant, and the Sumatran tiger, but half of Sumatra’s forest is now gone. The neighboring island of Borneo, home to the other species of orangutan, has lost a similar area of forest. Forest loss continues in protected areas of Borneo. All three species of orangutan are now listed as endangered by the International Union for Conservation of Nature (IUCN), but they are simply the most visible of thousands of species that will not survive the disappearance of the forests in Sumatra and Borneo. This is an example of which type of threat to biodiversity?
a. introduction of exotic species b. global climate change c. habitat loss d. overharvesting
Why are shelled eggs evolutionarily advantageous?
What will be an ideal response?
We often refer to the host of genetic factors in the genome that have an influence on a particular gene's expression as its genetic background. What influence does genetic background have over the phenotype of the organism?
What will be an ideal response?