Test
UMHS Cell Bio- Lecture 5 (easy)
Preguntas del test (15)
1Which of the following tissues contain insulin receptor?
- ANeurons
- BSkeletal myocytes
- CAdipocytes
- DHepatocytes
- ENone of these
2When insulin binds to its receptor, it stimulates the translocation of _____________ - containing vesicles from the ____________ to the plasma membrane.
- AGLUT1; early endosome
- BGLUT3; active zone
- CGLUT4; recycling endosome
- DGLUT5; late endosome
- ENone of these
3Insulin stimulates the translocation of glucose permeases, leading to their insertion into the plasma membrane, in which tissues?
- AMusle
- BWhite Adipose
- CNeurons
- DNone of these
4Almost all protein synthesis begins here.
- AOn ribosomes
- BIn the nucleus
- CIn the nucleoulus
- DIn the smooth ER
- ENone of these
5Which of the following organelles are involved in the biosynthetic pathway?
- AThe ER
- BGolgi
- CSecretory Vesicles
- DEarly endosome
- ENone of these
6Which of the following organelles is a part of the endocytic pathway?
- AThe plasma membrane
- BThe ER
- CLate endosome
- DGolgi
- ENone of these
7Which of the following coat proteins is a part of the retrieval pathway?
- ACOPI
- BCOPII
- CClathrin
- DNone of these
- ECOPI and COPII only
8Formation of a clathrin-coated vesicle requires which of the following?
- ACaveoilins
- BAdaptor proteins
- CARF 1
- DDynamin
- ENone of these.
9In which organelle is ceramide synthesized?
- ArER
- BsER
- CGolgi
- DEndosome
- ENone of these
10Which of the following statements about glycolipids and sphingomyelins are true?
- ABoth are synthesized from ceramide.
- BBoth contain saccharides.
- CGlycolipids are synthesized in the sER whereas sphingomyelins are synthesized in the golgi.
- DBoth contain a glycerol molecule.
- ENone of these is correct.
11Which of the following is a means by which the cell tags and targets proteins for inclusion in transport vesicles?
- ASpecific amino acid sequences
- BOligosaccharide modifications
- CHydrophobic domains
- DNone of these
12How is calcium transported into the sER?
- AFacilitated diffusion
- BLigand-gated channel
- CDirect active transport
- DNone of these
13How is calcium transported into a cell (across the plasma membrane)?
- APassive diffusion
- BFacilitated diffusion
- CDirect active transport
- DNone of these
14Which of the following is correctly arranged in order of INCREASING pH (i.e. from acid to alkaline)?
- ALysosome, cytosol, early endosome, late endosome
- BCytosol, synaptic vesicle, recycling endosome, ER
- CLate endosome, early endosome, lysosome, cytosol
- DNone of these
15Proteins targeted to the lysosome contain a __________________ tag.
- AKDEL
- BMannose-6-P
- CPhosphatidylinositol
- DSAR-1
- ENone of these
Información
- Descripción
- A conceptually basic quiz covering eukaryotic organelle structure and function.
- Autor
- howcontrived
- Idioma
- English
- Visitas
- 62
- Etiquetas
- Valoración
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