The correct answer is: B) decreased chromatin condensation
Histone modifications which include phosphorylation, methylation, acetylation and their reverse processes are post-translational modifications that can regulate gene expression. Their effect depends on the amino acid (protein) that is modified, and the combination of the other modifications.
These modifications regulate gene expression by organizing the genome into active form-euchromatin, where DNA is accessible for transcription, or inactive-heterochromatin, where DNA is less accessible for transcription.
Lets see if I can help
The second questions is D.
The third answer is A
Thats all the answer I know
Answer:
B) Pure culture.
Explanation:
Obtaining a pure culture involves culturing the organism on the bacteriologic agar. Initially blood agar is used because it supports the growth of many bacteria and the type of hemolysis can be observed.
In order to obtain pure cultures, following steps are done :
1)The bacteria are normally streak onto solid media.
2) Inoculating loops are used for streaking.
3) Then the plate is incubated at desired temprature.
4) Then after sometimes , colonies are visible wherever <u>a microbial cell capable of growth on particular medium was deposited on the agar surface.</u>
As in the above scenario , a bit of isolated colony is taken and is inoculated in a separate medium thus a pure culture is formed.
Hence option B) Pure culture is the right answer.
A saturated, because there is "excess" in the question.
The parasite can live<span> in the environment for many months and contaminate soil, water, fruits and vegetables, sandboxes, grass where animals graze for food, litter boxes, or any place where an infected cat may have defecated. </span>Toxoplasmosis<span> is an infection caused by a microscopic parasite called </span>Toxoplasma<span> gondii.</span>
