Molecular Biology Quiz on Proteins, DNA, Membrane Structure, and Receptors
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Questions and Answers

Nucleotides are the building blocks of proteins.

False

Nucleotides are composed of a nitrogen-containing ring linked to a 6-carbon sugar.

False

Ribonucleotides contain deoxyribose as their sugar component.

False

Deoxyribonucleotides carry a phosphate group.

<p>True</p> Signup and view all the answers

Proteins can be either ribose or deoxyribose.

<p>False</p> Signup and view all the answers

Nucleotides consist of a base, a sugar, and an amino group.

<p>False</p> Signup and view all the answers

A capacitor is a primary type of physical component used in electronic circuits.

<p>True</p> Signup and view all the answers

Capacitance is measured in ohms (Ω).

<p>False</p> Signup and view all the answers

Electrons can flow through the dielectric of a capacitor in a DC circuit.

<p>False</p> Signup and view all the answers

An alternating voltage causes a capacitor to repeatedly charge and discharge.

<p>True</p> Signup and view all the answers

Capacitors are primarily used to block alternating current (AC).

<p>False</p> Signup and view all the answers

AC coupling is a function where capacitors block AC and pass DC.

<p>False</p> Signup and view all the answers

Antigens are glycoproteins produced by the immune system to identify and neutralize foreign substances in the body.

<p>False</p> Signup and view all the answers

Minor changes in the chemical structure of an antigen do not affect its affinity for an antibody.

<p>False</p> Signup and view all the answers

Antibodies bind to antigens with low specificity.

<p>False</p> Signup and view all the answers

The interaction between antibodies and antigens must be weak for a stable connection.

<p>False</p> Signup and view all the answers

Antibodies must be able to detect the target analyte at any concentration range to ensure the sensitivity of an immunosensor.

<p>False</p> Signup and view all the answers

Immunosensors rely on antibodies that are not specific to the target analyte.

<p>True</p> Signup and view all the answers

In a P-type semiconductor, boron atoms are doped into the silicon crystal.

<p>True</p> Signup and view all the answers

Each boron atom in a P-type semiconductor has four valence electrons.

<p>False</p> Signup and view all the answers

Holes in a P-type semiconductor move around to produce a current.

<p>True</p> Signup and view all the answers

Donor atoms in a semiconductor acquire a negative charge when they give up an electron.

<p>False</p> Signup and view all the answers

P-type semiconductors carry most of their current through free electrons.

<p>False</p> Signup and view all the answers

Boron-doped silicon is an example of an N-type semiconductor.

<p>False</p> Signup and view all the answers

Current flows between the source and the drain in a MOSFET without the application of a gate voltage.

<p>False</p> Signup and view all the answers

The gate voltage in a MOSFET repels free electrons between the source and the drain.

<p>False</p> Signup and view all the answers

MOSFETs are exclusively used in amplifier circuits.

<p>False</p> Signup and view all the answers

A fixed gate voltage in a MOSFET results in a variable current flow between the source and the drain.

<p>False</p> Signup and view all the answers

The channel in an N-type MOSFET is P-type.

<p>False</p> Signup and view all the answers

The abundance of free electrons between the source and the drain in a MOSFET is controlled by the drain voltage.

<p>False</p> Signup and view all the answers

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