Explanation

Infected cells produce and release interferons, a type of cytokine.

These proteins interfere with viral replication and activate both innate and adaptive immune defenses.

It helping other cells boost their antiviral responses.

Explanation

In Excel, each row of a table corresponds to a record.

It is a complete set of data.

Field corresponds to columns in Excel.

Each column represents a field or a specific type of data within the records.

Explanation

The two week long Durzbha-V was conducted at Tarbela and NCTC Pabbi.

The first-ever joint exercise between Pakistan and the Russian military took place in 2016.

Explanation

Receiver's email address is required to send an email.

Without it, the email has no destination and cannot be delivered.

Explanation

Thomas Jefferson wrote the Declaration of Independence.

Originally published: July 4, 1776

The Declaration of Independence, formally titled The Unanimous Declaration of the Thirteen United States of America 

Explanation

150 kilometers is the correct length of Praia do Cassino Beach in Brazil.

It is the longest beach in the world.

Explanation

The expression "6n + 5" alone does not provide enough information to determine a specific value for "n."

Explanation

Yemen is the country where Saudi Arabia, along with Qatar, Bahrain, and the USA, led a military intervention.

This intervention began in 2015, targeting Houthi rebels to support the Yemeni government.

Explanation

Subsequent means اس کے بعد

Following means پیروی کرنا

Explanation

Afghanistan is close to the Godray Pass.

This pass is located near the Pakistan-Afghanistan border.

It is one of the many routes through the mountainous region.