Answer:
the electron microscope
Explanation:
The first strands of DNA were observed through the electron microscope.
Living species are alive and their species still have members, while extinct species no longer are living, and no more of their members exist.
Answer:
True
explanation:
Hexadecimal numerals are widely used by computer system, designers and programmers.
Answer: The building blocks of proteins are amino acids, which are small organic molecules that consist of carbon atoms linked to an amino group, a carboxyl group, a hydrogen atom, and a variable component called a side chain.
Translation:
Los componentes básicos de las proteínas son los aminoácidos, que son pequeñas moléculas orgánicas que consisten en átomos de carbono unidos a un grupo amino, un grupo carboxilo, un átomo de hidrógeno y un componente variable llamado cadena lateral.
I’m not sure but I think DNA
