A ventricular depolarization wave when traveling 60° in the frontal plane will cause a large positive deflection in which of the following leads?

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#Question id: 13123

#Unit 2. Cellular Organization

Match the correct one?

A- COPI                           i- vesicles transport proteins from the ER to the Golgi.

B- COPII                          ii- vesicles mainly transport proteins in the retrograde direction between Golgi cisternae and from the cis -Golgi back to the ER.

C- Clathrin                      iii- vesicles transport proteins from the plasma membrane (cell  surface) and the trans-Golgi network to late endosomes.

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#Question id: 18697

#Unit 13. Methods in Biology

Knockout mice are created by

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#Question id: 2295

#Unit 2. Cellular Organization

The root word "karyon" in the terms "prokaryotic" and "eukayotic" refers to the presence or absence of 

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#Question id: 18868

#Unit 13. Methods in Biology

Prior to staining, which of the following is employed as a fixative in light microscopy?

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#Question id: 2982

#Unit 2. Cellular Organization

Match the following proteins (Column I) with their functions (Column II) during cell cycle.

Column I	Column II
A. Cdc25C phosphatase	i. Activates vertebrate S phase CDKs
B. INK4	ii. Activation of Mitotic CDKs
C. Cdc25A phosphatase	iii. Binds and inhibits G1 CDKs
D. APC/CCdc20	iv. Degradation of securin