Microbiology Answers

Can you differentiate Gram positive and Gram negative bacteria using simple staining procedure? Why?

b.     What is the allele frequency of the recessive allele in the original population? Show all steps used to determine your answer. (1 mark)

c.     What is the allele frequency of the dominant allele in the original population? Show all steps used to determine your answer. (1 mark)

d.      Determine the number of individuals in the original population of hamsters that are heterozygous for coat colour. Show all steps used to determine your answer. (3 marks)

e.     How many individuals in the original population of hamsters possess a pink coat colour? (1 mark)

f.     Determine whether evolution has taken place from the original generation to the new generation. Show all steps used to determine your answer. (3 marks)

 continuation of question 1 of the first question.

1.     In a certain population of hamsters, 300 out of 1600 hamsters demonstrate a recessive purple coat colour (the dominant coat colour is pink). These hamsters breed and in the following generation, 375 out of 2000 had the purple coat colour. Answer these questions: a).   What is the homozygous recessive genotype frequency in the original population? Show all steps used to determine your answer. (1 marks)

 State 2 similarities between the structure of a bacterium and a virus

Mr Smith has blood type AB, select the possible genotype/s that would result in this blood type.

Question 8 options:

A) Io Io

B) Ia Io

C) Ia Ia

D) Ia Ib

E) Ib Io

F) Ib Ib

D?

Mrs Smith has blood type A, select the possible genotype/s that would result in this blood type.

Question 9 options:

A) Io Io

B) Ia Io

C) Ia Ia

D) Ia Ib

E) Ib Io

F) Ib Ib

if a bacterium has a generation time of 30 minutes and you start with 100 cells at time 0, how many cells will you have in 30 minutes

How to make a standard curve for a qPCR on detection of the bacteria N Gonorrhea

How do you determine the amount of 'Complete Media' needed for a cellular culture, is there formula?

Is it dependent on the cell type?

 what is the difference naturally occurring antibiotics and chemically synthesized or semi-synthetic antibioti

. Why is it important that the bacteria thought to be causing an infection be isolated (separated from all other bacteria or cell types by streaking a clinical sample on petri dishes and selecting a single colony) from a clinical specimen prior to doing the antibiotic sensitivity testing?