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Tryin to determine the independent and dependent variables for a biology question and the control group. Here is the question. You decide to clean the bathroom. You notice that the shower is covered in a strange green slime. You try to get rid of slime by adding lemonade juice. You spray 1/2 of shower with lemonade juice and other 1/2 with water. After 3 days of spraying equal amts 3 x a day, there is no change in appearance of green slime on either side of the shower. Need to identify DV, IV and control group
Wild-type E. coli grow best at 37 but can grow efficiently up to 42 . An E. coli strain has a mutation of the sigma subunit that results in an RNA polymerase holoenzyme that is stable and transcribes at wild-type levels at 37 .
Water at room temperature is placed in flask connected through rubber tubing to a vacuum pump and the pump is turned on.
Two Hfr strains are isolated from a prototrophic coli strain. Both Hfr strains are mated with a Str(r) F- E. coli strain that is mutant for all the genes listed.
Explain the role of chemicals as messengers in regulating the body homeostasis.
1) What is the general purpose of photosynthesis? 2) describe the anatomy of a chloroplast and where they are found. 3)What are the sources of carbon, oxygen, and hydrogen in the photosynthetic reaction?
Cyanide binds to complex IV of the electron transport system, preventing the reduction of oxygen to water. Explain the ultimate effects of cyanide on electron transport, oxygen consumption, and ATP production. How can these in turn affect a person.
If the light-dependent reactions in photosynthesis produce ATP and the mitochondria produce ATP during respiration, why do cells in the leaves of plants have both mitochondria and chloroplasts.
Imagine the "hairy ear" gene is X-linked and dominant (H), to hairless ears (h). If you were a man w/hairless ears about to marry a woman whom you discover has hairy ears.
Explain why a mutation of DNA from A-C-C to A-C-T would be more serious than other examples?
One of the reasons that people also sleep with their mouthsopen-causing snoring- is sleep apnea. This can also be a very dangerous condition requiring some sort of treatment.
1. Hypothesize why some substances were not metabolized, while others were. Research the chemical formula of Equal and Splenda and explain how it would affect respiration.
Life arose in water. Explain w hy do you think colonization of land represented a major evolutionary step in the history of life?
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