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Q1. 1. A student inherits a recessive phenotype of a particular characteristic. Though, both the parents are phenotypically dominant for the characteristic. Give details.
2. Individuals with a certain heterozygous characteristics are usually called a carrier. What does a carrier mean?
3. What factor determines whether particular phenotype occurs more frequent than others in a certain population?
Q2. Some times in the movie, politics of science were discussed. Explain how politics played a role in the discovery of DNA structure. Do you think the science of today is more or less political than it was during the 1950s? Examine one instance of modern research that is affected by politics, and how it is affected.
Explain how this could be considered a negative feedback mechanism. The amino acid residues at the active site are highly hydrophobic. In designing a drug that would bind to the active site and jam it, researchers must use which type of molecule.
Why can prakaryotes quickly re infect a patient if they are not wiped out? How may this result in the evolution of drug resistant pathogens.
A 40 year old woman was admitted into ER with fever, chills, and a dry cough with little sputum. Epidemiologists isolated pathogen in the cooling system of the air conditioning unit.
Clostridium and Streptococcus are both catalase-negative. Streptococcus grows by fermentation. Why is Clostridium killed by oxygen, whereas Streptococcus is not.
What characteristic of the synthetases explains this discrepancy. Tina is consuming 15 mg of iron per day. Her RDA is 18 mg. She has no condition warranting a greater-than-normal need for iron. Which of the statements is true about her consumption of..
In our population there are 300 red sea stars, 200 pink sea stars and 500 White Sea stars. How numerous total alleles for sea star colour are in this population.
In mid afternoon, they are on it's under surface, each caterpillar hanging by a few legs. Offer a hypothesis to explain this behaviour. How would you test it.
A friend claims that the faster you read, more you remember. Use your information of effortful processing and effective encoding strategies to refute your friend's claim.
Plan a scientific experiment to find out the effect of this environmental factor on the rate of photosynthesis or cellular respiration in your chosen organism (reviews the scientific method, remember hypothesis, control so on.
Due to a spinal injury, a patient has lost pain and temperature sensation on the left half of his body from the waist down. Where is his injury? Where will you expect loss of tactile sensation in this patient.
Those that live in tropical climates like the savannas of Africa are usually much smaller than the ones that live in arctic regions like Lapland.
The altered tRNA translates the UGA as tryptophan. What nucleotide varies has probably occurred in the mutant tRNA molecule? What consequences will the presence of such a mutant tRNA have for the translation of the normal genes in this cell.
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