An Electron Moving with a Velocity = 5

question 22

Multiple Choice

An electron moving with a velocity = 5.0 × 10⁷ m/s
Enters a region of space where perpendicular electric and a magnetic fields are present.The electric field is
=
) What magnetic field will allow the electron to go through the region without being deflected?

• A) = +2.0 × 10^-4 T
• B) = -2.0 × 10^-4 T
• C) = +2.0 × 10^-4 T
• D) = -2.0 × 10^-4 T
• E) = +5.0 × 10^-4 T

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Definitions:

Polypeptide Chains

Sequences of amino acids linked by peptide bonds, forming part of or the whole protein molecule.

Quaternary

A level of protein structure where multiple polypeptide chains, referred to as subunits, come together to form a functional protein complex.

Acidic Group

A functional group within a molecule that commonly donates protons (H+) and displays acidic properties, often containing oxygen and hydrogen.

Fatty Acid

Long hydrocarbon chains that are a major component of lipids, which can be saturated or unsaturated, serving as important sources of energy.