PBS

If someone is In fight or flight, when heart rate increases, respiratory rate...

• Decreases

• Increases

• Stays the same

Tags

NGSS.HS-LS1-3

Which component of blood is responsible for carrying oxygen?

• red blood cell

• white blood cell

• platelets

• plasma

Liam, Hannah, and William are playing detectives in their school play. Liam, who is playing the role of a forensic scientist, found a fingerprint at a mock crime scene. He needs to match the fingerprint pattern to its type. Can you help him?

• Loop

• Whorl

• Helix

• Arch

Harper, Charlotte, and Avery are playing detectives in their school play. Harper, who is playing the role of a forensic scientist, found a fingerprint at the mock crime scene. She needs to match the fingerprint pattern. What pattern could it be?

• Loop

• Whorl

• Helix

• Arch

What does PBS stand for in a scientific context?

• Phosphate Buffered Saline

• Polymerase Binding Site

• Protein Binding Solution

• Proton Beam Source

What is the primary use of PBS in laboratory experiments?

• To stain cells

• To buffer solutions

• To wash cells

• To fix cells

Which of the following is a key component of PBS?

• Sodium chloride

• Calcium chloride

• Magnesium sulfate

• Potassium iodide

Why is PBS often used in cell culture?

• It provides nutrients to cells

• It maintains pH balance

• It acts as a fixative

• It stains the cells

In which type of experiment would you most likely use PBS?

• DNA sequencing

• Cell washing

• Protein crystallization

• Gas chromatography

What is the typical pH range of PBS?

• 4.0 - 5.0

• 5.5 - 6.5

• 7.2 - 7.6

• 8.0 - 9.0