Biology Questions and Answers

(Greg DeLong) #1

Biology Questions and Answers



  1. What is autophagic
    intracellular digestion? Why is
    this type of intracellular
    digestion intensified in an
    organism undergoing
    starvation?


Autophagic intracellular digestion is the


cellular residual materials. Iinternal digestion on general it is donef waste and (^)
by lysosomes.
Autophagic intracellular digestion is
intensified in situationsbecause in such condition th of starvatione cell tries (^)
to obtain from its own constituent
materials thstay alive. e nutrients necessary to



  1. What are some biological
    examples in which lysosomic
    enzymes play a fundamental
    role?


The remodelationthe function of acrosom of the osseous tissue,es in sperm cells (^)
and the elimination of the tadpole tail
are examwhich lysosomicples of biological pr enzymes are keyocesses in
factors.
The bone is a tissue madcontaining matrix (osteoblastse of osteo are theblast-
secretory cellsosteocytes (matur of the osseous matrix),e bone cells) and
osteoclasts (the remodeling cells).
Osteoclastscontinual re are responsible fnovation of the osseor theous (^)
tissue since their lysosomic enzymes
digest the osseous matrix.
The sperm acrosome, for carrying
digestive enzymes within, is responsible
for the perfuration of the egg cell
membrane in the fertilizationThe acrosome, located in the anterior process.
end of the sperm cell, is a specialized
region of the Golgi aaccumulates a great ampparatus thatount of
digestive enzymes.
In tadpoles the tail regresses while theorganism develops into an adult frog.
This tissue destruction is a digestion othe tail's own cells and extracellular f
materials and it is made by lysosomes
and their enzymes. The completedigestion of a cell by its own
mechanismsof apoptosis (cell suicide). is called autolysis, a type
http://www.biology-questions-and-answers.com

Free download pdf