Answer:
The correct answer is -
1. right-handed
2. right-handed
3. positive
4. left-handed
5. negative
6. negative
Explanation:
In a circular bacterial chromosome, the structure of DNA is a right-handed double helix In a circular bacterial chromosome.
If DNA is twisted in the right-handed direction, it becomes overwound. Overwinding results in positive supercoiling takes place. If DNA is twisted in the left handd direction, it becomes underwound. Underwinding results in negative supercoiling.
f. One effect negative supercoiling in bacterial chromosomes is to promote separation of the two strands of DNA in the double helix
The instructions on a chromosome are called-DNA
-Steel jelly
Answer:ECG measures the electrical activity of the heart and how the I pluses travel through the heart... There by showing when the heart is beating normally or abnormally.. It can show an informed mind all this.
2.There are many causes of these but hyperkalemia ie high amounts of potassium in the blood can be a cause
Explanation:
Http://www.ncbi.nlm.nih.gov/pubmedhealth/PMH0072434/
There is a website with some info. Hope it helps! :)
