Membranes control whats good or whats bad to get inside the cell, basically it allows good things to pass into the cell and bad things to stay out
<span>a cone formed around a volcanic vent by fragments of lava thrown out during eruptions.</span>
Option D
polymerase chain reaction (PCR) do Makes more copies of a sample of DNA
<u>Explanation:</u>
A procedure to create several portraits of a distinct DNA section is termed as Polymerase chain reaction. In other words, it is a lab routine handled to compose various representations of a portion of DNA. PCR is extremely explicit and can be utilized to increase, or model, a particular DNA destination from a hybrid of DNA particles.
In PCR, the effect is regularly cycled within a range of temperature variations, which deduct countless models of the destination range to be exhibited. PCR intends to obtain sufficient of the objective DNA region that it can be examined or applied in some other way.
Fossils are the preserved remains, or traces of remains, of ancient animals and plants
