Before puberty, growth hormone excess causes gigantism

TLS Online TPP Program

#Id: 8206

#Unit 2. Cellular Organization

Plant vacuole act as

a storage organelle for nutrients and waste products

a degradative compartment

an economical way of increasing cell size

a controller of turgor pressure

TLS Online TPP Program

#Id: 8207

#Unit 2. Cellular Organization

Anthocyanin pigments stored in vacuoles

Color the petals of many flowers so as to attract pollinating insects

TLS Online TPP Program

#Id: 8208

#Unit 2. Cellular Organization

There are 4 paths from different sources feed substances into lysosomes for digestion:

• Endocytosis

• Phagocytosis

• Macropinocytosis

• Autophagy

TLS Online TPP Program

#Id: 8209

#Unit 2. Cellular Organization

TLS Online TPP Program

#Id: 8210

#Unit 2. Cellular Organization

Autophagy (“eating oneself”)

When cells are placed under stressful conditions, they have the capacity to recycle macromolecules for use as nutrients in a process of lysosomal degradation.

TLS Online TPP Program

#Id: 8211

#Unit 2. Cellular Organization

Autophagosome, or autophagic vesicle

formation of a flattened double-membrane cup-shaped structure that envelops a region of the cytosol or an entire organelle.