Two complementary strands of the DNA can accommodate only three nitrogen rings between them. More or fewer nitrogen rings will not fit because of space issues. Thus, purine-purine cannot pair with each other due to the unavailability of the required space to bond together in the DNA double helix. IsRead More →

A base pair is two chemical bases bonded to one another forming a “rung of the DNA ladder.” The DNA molecule consists of two strands that wind around each other like a twisted ladder. Each strand has a backbone made of alternating sugar (deoxyribose) and phosphate groups. What makes upRead More →

The base of the ladder should be placed so that it is one foot away from the building for every four feet of hight to where the ladder rests against the building. This is known as the 4 to 1 rule. Can you put a ladder against gutter? SHORT ANSWER:Read More →

It should be tall enough that you don’t have to step onto the top rung to accomplish your task. Place ladder on firm, level ground. The ladder should never be placed on uneven or slippery ground. Do not place ladder in front of a closed door. Can a gutter holdRead More →

Are short ladder attacks a real thing? Put simply, a short ladder attack is when both sides of the buying and selling of stocks are played (by traders) in an attempt to devalue the stock in question. Shorts manipulate the laws of supply and demand by flooding the offer sideRead More →