In animal cells, lipid-like steroidal hormones are synthesized in the:
1. Nucleus
2. Rough endoplasmic reticulum
3. Smooth endoplasmic reticulum
4. Golgi apparatus
Which of the following is responsible for the mechanical support, protein synthesis and enzyme transport ?
(1) Cell membrane
(2) Mitochondria
(3) Dictyosome
(4) Endoplasmic reticulum
Endoplasmic reticulumn bearing ribosomes on their surface is called
(1)Rough endoplasmic reticulumn
(2)Smooth endoplasmic reticulumn
(3)Lomasomes
(4)None of these
Which of the following is true about SER (smooth endoplasmic reticulum), except
1. Ribosomes are absent
2. Actively involved in protein synthesis
3. Steroidal hormone synthesis site
4. Both A and C
Which of the following is not a modification of endoplasmic reticulum
1. Sarcoplasmic reticulum
2. Nissl’s granules
3. myeloid bodies
4. None of these
Granular endoplasmic reticulum is associated with which of the following functions?
(1) Synthesis of secretory as well as non-secretory proteins
(2) Synthesis of non-secretory proteins
(3) Synthesis of steroidal hormones
(4) Synthesis of secretory proteins
Vesicles from ER fuse with
(1) Maturing face of golgi body
(2) Forming face of golgi body
(3) Primary lysosome for intercellular digestion
(4) Plasma membrane to remove them out from cell
Which of the following cell organelle is a major site for the synthesis of steroidal hormones?
(1) SER
(2) Golgi bodies
(3) Ribosomes
(4) Peroxisome
2. Protein glycosylation
3. Cleavage of signal peptide
4. Phospholipid synthesis
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