Microbiology Answers

Difference between drug binging and drug affinity

A certain population of hamsters, 300 out of 1600 hamsters demonstrate a recessive purple coat colour( the dominant coat colour is pink). This hamsters breed and the following generations, 375 out of 2000 has a purple coat colour.

A. What is the homozygous recessive genotype frequency in an original population? Show your work

The student sees the following and measures the length of the amoeba specimen as shown by the red line on the image below:

The student has recorded the number of ocular divisions measured as 35. Show how the true size of the specimen would be calculated in terms of micrometres.  

4.1Discuss the dynamics of drug dependence and provide examples to substantiate your answer

Describe the role of photosynthetic pigments in oxygenic and anoxygenic 

photosynthetic bacteria

Discuss the life cycle of Human immunodeficiency virus type 1 (HIV-1) in relation to drug targets for antiretroviral therapies used to treat HIV-1 infected patients: 

Compare the dietary requirements of vitamin A and C in relation to the following headings in table format:

• RDA for a 36-year-old male

• UL for a 3-year-old girl

• Two examples of food sources

Explain the form in which end-products of protein digestion is excreted and describe how these products are formed.