The ability of DNA-binding proteins to initiate transcription can be hindered by the presence of ________ on the promoter regions of the DNA
Fill in the blank(s) with correct word
nucleosomes
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A process where different microbial taxa work in cooperation to degrade a compound that neither can perform entirely on their own is called
A) allotrophy. B) ammensalism. C) commensalism. D) syntrophy.
The partial pressure of oxygen is higher in the capillary blood than the interstitial fluid surrounding cells. Therefore oxygen moves from ____ to ____
a. blood; air b. blood; interstitial fluid c. air; interstitial fluid d. interstitial fluid; blood e. interstitial fluid; air
The high diversity of pigeons in Papua New Guinea’s tropical rain forests is possible because:
1.They occupy very different niches, so have different forms.
2.Predation of one species by another has diversified their forms.
3.They are able to take advantage of the diversity of food-bearing trees in the forest.
4.They are symbiotic species so size difference does not matter.
Explain what a mutator gene is and give an example
What will be an ideal response?