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Q1. An experiment is designed to learn the mechanism of sucrose uptake by plant cells. Cells are immersed in a sucrose solution and pH of the solution is monitored. Samples of the cells are taken at intervals and their sucrose concentration is measured. Their sucrose uptake correlates with the rise in the solution's pH. This rise is proportional to the starting concentration of sucrose in the solution. A metabolic poison that blocks the ability of cells to regenerate ATP is found to inhibit the pH changes in the solution. Recommend a hypothesis accounting for these results. Suggest an experiment to test it.
Q2. Could intelligence be primarily a matter of having plenty of the right neurotransmitter at the correct synapses?
which phylum (named group at the end of a branch) is the most ancient or basal of all animals?
All known human cancers have been demonstrated to be caused by viruses, You have been asked to design a virus that causes cancer in humans. Which of the following cellular functions would this virus have to possess to cause a tumor (select all that..
Why is depth of field important in studying biological structures? How can it affect your ability to find and examine a specimen?
What happens to transcription at the lac operon when lactose is absent and present explain your answer.
Drugs known as nucleoside analogs (NA) act against RT, whereas drugs called protease inhibitors (PI) act against PR.
Identify an animal or plant that you can find somewhere nearby within some hours - it can live in the city, town, country, a lake, ocean, mountain, etc as either an r or a K
A man obtained 30 spotted and 10 solid-colored rabbits from a mating of two spotted rabits. From this information, what are the most likely genotypes of the two parents?
What proportion of theresulting progeny will have genotype AB / ab?
Who is the scientist also credited with the same conclusions as Darwin regarding the origin of species?
Explain how models for bacterial operons such as ara relate to eukaryotic trans-acting proteins and their mechanism of action.
Why is the ocean layered? Explain the PHYSICAL CAUSES of layering, and describe the major layers in the ocean. Feel free to include figures.
You are a technician in a hospital laboratory. Three members of one family, two kids (ages 4 & 8) and their mother, have presented at the local Emergency Room at 5:00PM with symptoms of double vision,
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