PBS

This is a(n) ___.

• organ

• organ system

• organism

• tissue

Tags

NGSS.MS-LS1-3

Epithelial, nervous, connective, and muscle are all types of ___.

• organs

• tissues

• organs

• cells

Tags

NGSS.MS-LS1-3

This is a(n) ___.

• organ

• cell

• tissue

• system

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Which tissue type sends and receives messages throughout the body?

• Cardiac

• Nervous

• Epithelial

• Connective

Nerves leaving the spinal cord and extending throughout the body are part of the ___.

• peripheral nervous system

• central nervous system

• appendexterous nervous system

• evolutionary nervous system

Diagnose the brain:

• TBI

• CTE

• Healthy

PBS is commonly used in laboratories as a buffer solution. What does PBS stand for?

• Phosphate Buffered Saline

• Potassium Buffered Solution

• Phosphoric Base Solution

• Polymer Buffered Saline

What is the primary purpose of using PBS in biological experiments?

• To provide nutrients to cells

• To maintain a constant pH

• To act as a disinfectant

• To stain cells

Which of the following is a key component of PBS?

• Sodium chloride

• Glucose

• Ethanol

• Calcium carbonate

PBS is often used in cell culture. Why is it important to use a buffer like PBS in this context?

• To prevent cell dehydration

• To maintain osmotic balance

• To provide energy to cells

• To increase cell growth rate