crude oil is composed of B. Hydrocarbons
The answer is B - neap tides
A) Deoxyribose + phosphate group + thymine
DNA is deoxyribonucleic acid, which is insoluble in ethanol. In the process of centrifugation the addition of ethanol can aid to separate protein from its DNA.
<h3>What is centrifugation?</h3>
Centrifugation is a process of separating different molecules in a given sample that have different densities by rotating them in solution around an axis at high speed.
It is the frequently applied techniques in the molecular biology laboratory.
The addition of alcohol or ethanol to the sample followed by centrifugation can separate the proteins from its DNA.
Thus, the substance used to separate the proteins from the DNA is alcohol or ethanol.
For more details regarding centrifugation, visit:
brainly.com/question/12954017
#SPJ4
German roaches have flat bodies with six legs, two antennae projecting from their heads, and flat bodies, just like their American cousins and other cockroach species. Contrarily, American cockroaches are typically reddish-brown in appearance and develop to a length and width of around an inch and a half.
<h3>What is Cockroach?</h3>
Cockroaches are an insect paraphyletic category that includes all Blattodea members with the exception of termites. Only about 30 of the 4,600 cockroach species have any connection to habitations by people. Some species are infamous for developing pest problems.
To learn more about Cockroach visit:
brainly.com/question/17283807
#SPJ4
