All of the Following Occur in Both Prokaryotes and Eukaryotes

question 28

Multiple Choice

All of the following occur in both prokaryotes and eukaryotes except:

• A)there is DNA transcription
• B)there is alternative splicing of genes
• C)in RNA,uracil replaces thymine
• D)translation occurs on a ribosome
• E)tRNA carries the amino acid to the mRNA to make polypeptides

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Definitions:

Helium

Helium is a chemical element with symbol He and atomic number 2, known as the second lightest and second most abundant element in the observable universe, primarily used in cryogenics and as an inert gas shield in arc welding.

Lewis Structures

Diagrams that represent the valence electrons of atoms within a molecule, showing how they are bonded together.

Double Bond

A chemical bond in which two pairs of electrons are shared between two atoms.

Lewis Structure

A representation of molecules where symbols for elements are used to represent nuclei and inner-shell electrons, and dots or dashes between symbols represent electron pairs forming covalent bonds.