PBS Search Methods

This macromolecule has multiple levels of structure but it is also made up of repeating units called amino acids.

• Lipids

• Proteins

• Carbohydrates

• Nucleic Acids

Tags

NGSS.HS-LS1-1

Genotype refers to the ...

• physical expression of the genes

• the possible combination of alleles in a gene

• whether an allele is dominant or recessive

• how an organism will appear

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is the primary purpose of PBS in scientific research?

• To provide a nutrient-rich environment for cell growth

• To maintain pH balance in biological experiments

• To act as a buffer solution in experiments

• To serve as a staining agent in microscopy

Which of the following is a common component of PBS?

• Sodium chloride

• Glucose

• Ethanol

• Acetic acid

In which type of experiments is PBS most commonly used?

• Genetic sequencing

• Cell culture

• Protein crystallization

• Spectroscopy

What does PBS stand for in the context of laboratory solutions?

• Phosphate Buffered Saline

• Protein Binding Solution

• Polymer Based Solvent

• Potassium Bromide Solution

Why is PBS often used in immunoassays?

• It enhances the signal of the assay

• It prevents non-specific binding

• It acts as a substrate for enzymes

• It changes the color of the solution

How does PBS help in maintaining the osmotic balance in cell culture?

• By providing essential nutrients

• By maintaining isotonic conditions

• By altering the temperature

• By changing the pH

What is the typical pH range of PBS?

• 3.0 to 4.0

• 5.0 to 6.0

• 7.2 to 7.4

• 8.0 to 9.0

Which of the following is NOT a use of PBS in laboratory settings?

• Washing cells

• Diluting substances

• Fixing tissues

• Staining DNA