<span>helicase<span>DNA helicase is the enzyme that unwinds the DNA double helix by breaking the hydrogen bonds down the center of the strand. It begins at a site called the origin of replication, and it creates a replication fork by separating the two sides of the parental DNA.<em /></span></span>
Answer:
El medio ambiente es el entorno que afecta a los seres vivos y que condiciona sus circunstancias vitales. Las condiciones (físicas, económicas, culturales, etc.) de un lugar, un grupo o una época. ... Conjunto de características típicas de un determinado marco histórico o social: ej ambiente medieval.
Explanation:
Answer:
A: stands for “adenosine triphosphate”
B: is an energy molecule
D: contains energy in phosphate bonds
Explanation:
ATP molecule is the energy currency of cells. It can be converted to Adenosine diphosphate (ADP) when it loses one phosphate molecule or Adenosine Monophosphate (AMP) when it loses another phosphate molecule. It is composed of the three phosphates, a sugar and an Adenine nitrogenous base.
The same principle apply to stereo microscopes, a 10X eye piece combined with a 4X objective lens will produce 40X magnification.