Apoptosis

To start the process of apoptosis, proteins called ______ are activated.

• p53

• Ligase

• Caspases

What is the primary role of apoptosis in multicellular organisms?

• Cell growth

• Cell death

• Cell differentiation

• Cell migration

Which of the following proteins is directly involved in the execution phase of apoptosis?

• Caspases

• Kinases

• Phosphatases

• Ligases

Apoptosis is often referred to as:

• Necrosis

• Programmed cell death

• Cell proliferation

• Cell mutation

Which organelle is primarily responsible for initiating the intrinsic pathway of apoptosis?

• Nucleus

• Mitochondria

• Golgi apparatus

• Endoplasmic reticulum

Tags

NGSS.HS-LS1-7

The extrinsic pathway of apoptosis is initiated by:

• DNA damage

• Death receptors

• Mitochondrial signals

• Cytokine release

Which of the following is a characteristic feature of apoptotic cells?

• Cell swelling

• Cell shrinkage

• Inflammation

• Cell fusion

What is the role of Bcl-2 family proteins in apoptosis?

• Promote cell division

• Regulate mitochondrial membrane permeability

• Inhibit DNA replication

• Facilitate protein synthesis

Which of the following is NOT a hallmark of apoptosis?

• DNA fragmentation

• Cell membrane blebbing

• Inflammatory response

• Chromatin condensation

In the context of apoptosis, what is the function of cytochrome c?

• Inhibits apoptosis

• Activates caspases

• Binds to DNA

• Promotes cell division