Apoptosis

What is apoptosis?

• Programmed cell death

• Uncontrolled cell growth

• Cell division

• Cell differentiation

Which of the following is a key feature of apoptosis?

• Cell swelling

• Cell shrinkage

• Inflammation

• Necrosis

Which organelle is primarily involved in the intrinsic pathway of apoptosis?

• Nucleus

• Mitochondria

• Endoplasmic reticulum

• Golgi apparatus

Tags

NGSS.HS-LS1-7

Which protein family is crucial for the execution of apoptosis?

• Caspases

• Kinases

• Phosphatases

• Ligases

What role do Bcl-2 proteins play in apoptosis?

• Inhibit apoptosis

• Promote apoptosis

• Repair DNA

• Facilitate cell division

Which of the following is a characteristic of apoptotic cells?

• Membrane blebbing

• Cell fusion

• Cell proliferation

• Cell migration

How does apoptosis differ from necrosis?

• Apoptosis is a controlled process, necrosis is not

• Apoptosis causes inflammation, necrosis does not

• Apoptosis results in cell swelling, necrosis in cell shrinkage

• Apoptosis is a form of cell growth, necrosis is cell death

Which of the following is an example of apoptosis in development?

• Formation of fingers and toes

• Growth of hair

• Increase in muscle mass

• Expansion of lung capacity

Tags

NGSS.HS-LS1-4

What is the role of cytochrome c in apoptosis?

• Activates caspases

• Inhibits DNA replication

• Promotes cell division

• Blocks protein synthesis

Which assay is commonly used to detect apoptosis?

• TUNEL assay

• ELISA

• Western blot

• PCR