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Q1. Healthy individuals of Paramecium bursaria contain photosynthetic algal endosymbionts of the genus Chlorella. What time within their hosts, the algae are referred to as zoochlorellae. In aquaria with light coming from only one side, P. bursaria gathers at the well-lit side, whereas other species of Paramecium gather at the opposite side. The zoochlorellae provide their hosts with glucose and oxygen, and P. bursaria provides its zoochlorellae with protection and motility. P. bursaria can lose its zoochlorellae: (1) if kept in darkness, the algae die, and (2) if prey items (mostly bacteria) are absent from its habitat, P. bursaria will digest its zoochlorellae.
Which term precisely describes the behavior of Paramecium species that lack zoochlorellae in an aquarium with light coming from one side only?
a. negative chemotaxisb. positive chemotaxisc.negative phototaxisd.positive phototaxis
Q2. Assume that, during biological research, it became possible to incorporate fully functional chloroplasts into the basal layer of our epidermal skin cells. Knowing the structure and function of chloroplasts, how will this influence our body?
After reading these articles, do you believe that it is the industry's fault or should the burden of responsibility be on the consumer who is making the food choices? You should provide a specific opinion to earn full credit.
discuss the biodiversity in the temperate forest biome and discuss what factors make the biodiversity different from other biomes.
determine the genotypes of the two parents: A) a walnut crossed with a single produces offspring that are ¼ walnut, ¼ rose, ¼ pea, and ¼ single.
Describe a suitable control you could use for testing the specificity of the Bradford assay for specific amino acids.
At 45C, the vapor pressure of water for a glucose solution in which the mole fraction of glucose is 0.080 is 65.76 mmHG. Calculate the activity and activity coefficient of the water in the solution.
A protein was purified to homogeneity. Determination of the mass by gel-filtration chromatography yields 60kd. Chromatography in the presence of 6 M urea yields 30-kd species.
Demonstrate are F2 results of two of Mendel's monohybrid crosses. State a null hypothesis that you will test using chi-square analysis. Calculate the x2 value and determine the p value for both crosses
Discuss and explain the relative contributions of developed and developing nations to the global footprint
An amphibian that lives in a swamp has thirty fold more DNA than a human who lives on the forty-eight floor of luxury apartment apartment complex.
Using the Nernst equation (V=58 log [C1] [C2]) and assuming solution 1 is 100 mM and solution 2 is 33.3 g/mol, determine the membrane potential V.
What is the importance of oxygen as relates to the ATP tally? Generally overall the point is that aerobic respiration is far more productive than anaerobic?
why aren't the results reported in the Hebblewhite et al.2005 paper also correlative.
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