Why can gel electrophoresis separate DNA fragments?

O

A. DNA fragments are positively charged.

O

B. DNA fragments are negatively charged.

O

C. DNA fragments are magnetic.

O

D. DNA fragments are all the same size.

What are 3 polymers made of glucose monomers

The production of which substance by using cell technology allows scientists to make treatments that can target specific types of cancer cells? steroid hormones fat-soluble vitamins monoclonal antibodies complex proteins

How does the human body maintain itself during exercise? It releases sweat to heat up. It releases sweat to cool down. It absorbs sweat to heat up. It absorbs sweat to cool down.

Haircolor eyecolor and height are examples of what type of inheritance

What type of anatomical structure are wisdom teeth

An male animal has a genotype of AaBB. The number of different gene combinations that would be found in the sex cells/sperm of this animal would be: a) 1 b) 2 c) 4 d) 6 e) 8

Which of the following is a human - Made factor that can change climate? A. The solar cycle B. Respiration C. Industry D. Earthquakes

Why does the phylogenetic tree tell you about the evolutionary relationships of animals? A. animals are unrelated to one another. B. Animals have many different ancestors. C. Animals belong to serval different kingdoms. D.

How to increase sodium levels in elderly without causing water retention?

Polar molecules are nonpolar molecules are ---and