Which of the following correctly describes a plant structure that contributes to a function SPECIFIC to plant cells? a. nucleus:
holds water in the cell b. nucleus: controls cell activities c. cell membrane: provides support d. cell wall: helps shape the cell explain for every answer PLEASE I NEED IT IT IS DUE TODAY!!!!!!!!!!!!!!!!!!!!!!!
Students were asked to draw a concept map of changes in matter at the molecular level. An incomplete sample is provided here. Which of the following labels ...
Gel electrophoresis is a process or a technique in which fragments of DNA are separated in terms of their sizes.
<em><u>The restriction enzyme is mixed with a DNA sample before the process. The restriction enzyme cut DNA at specific points into fragments which can then be separated based on their sizes on an agarose gel.</u></em>
When current is applied to the gel DNA move towards the positively charged electrode since DNA is negatively charged, with shorter fragments migrating faster through the gel in comparison with large fragments.
