If a repressor protein attaches to the operator, RNA polymerase cannot proceed to transcribe key enzymes needed by the organism. This can be seen in the trp operon in E .coli bacteria.
Yes it does because how it looks
The correct answer is: check for correct placement of the NG tube.
An adequately functioning nasogastric (NG) tube shouldprevent nausea and vomiting because stomach contents
are continuously being removed. Using the NG after abdominal surgery is a routine postoperative procedure until gastrointestinal tract start tofunction properly. The patency of the tube should be checked together with the amount and character of gastric drainage.
Adenine forms two hydrogen bonds with thymine in DNA while three hydrogen bonds are formed between guanine and cytosine.
Thymine and cytosine are pyrimidines because they have a single ring structure. Adenine and guanine are purines because they have a double ring structure.
Chromosomes are Inherited From Your Parents. One chromosome from each of your 23 pairs came from each of your parents. The two chromosomes of a pair (except for the sex chromosomes) contain the same genes, but the genes have small differences. Things like SNPs make each copy of a gene uniquely Mom's or Dad's.