Avid

What is the primary function of avidin in biological systems?

• To bind biotin

• To transport oxygen

• To catalyze reactions

• To store energy

Which vitamin is avidin known to bind with high affinity?

• Vitamin A

• Vitamin B12

• Vitamin C

• Biotin

In which type of organism is avidin most commonly found?

• Plants

• Animals

• Bacteria

• Fungi

What is the molecular weight of avidin approximately?

• 66 kDa

• 44 kDa

• 16 kDa

• 68 kDa

Avidin is a protein that is often used in which type of laboratory technique?

• Western blotting

• ELISA

• PCR

• Mass spectrometry

What is the structural form of avidin?

• Monomer

• Dimer

• Tetramer

• Pentamer

Which of the following is a characteristic property of avidin?

• High thermal stability

• Low solubility

• High pH sensitivity

• Low binding affinity

Avidin is often used in conjunction with which of the following for detection purposes?

• Fluorescent dyes

• Radioactive isotopes

• Biotinylated molecules

• Enzyme substrates

What is the role of avidin in the egg whites of birds?

• To provide nutrition

• To protect against bacterial infection

• To aid in digestion

• To store calcium

Which of the following best describes the avidin-biotin interaction?

• Weak and reversible

• Strong and irreversible

• Weak and irreversible

• Strong and reversible