The small GTPases in vesicle formation is in the pinching off of a completed vesicle from the parent membrane; 

I- Sar1 GTPase

II- ARF GTPase

III- Dynamin GTPase

a-COPI vesicles

b-clathrin-coated vesicles

c-COPII vesicles

find the correct matches GTPases to drives the pinching off vesicles?

#Question id: 8696

#Unit 9. Diversity of Life Forms

There is some evidence that reptiles called cynodonts may have had whisker-like hairs around their mouths. If true, then hair is a shared ________.

#Question id: 5428

#Unit 8. Inheritance Biology

If trait are governed by polygenic. If plant genotype AABB  ( 8 cm height ) were cross with aabb ( 2 cm height ) produced F1 and allowed to selfing . which of the following phenotypic height are not observe in F2 plant if all gamete participate in fertilization ?

#Question id: 11713

#Unit 9. Diversity of Life Forms

Theoretically, which two of the following present the richest potential sources of silica?

1.  marine sediments consisting of foram tests

2.  marine sediments consisting of diatom cases (valves)

3.  marine sediments consisting of radiolarian shells

4.  marine sediments consisting of dinoflagellate plates

#Question id: 8860

#Unit 9. Diversity of Life Forms

A radially symmetrical animal that has two embryonic tissue layers probably belongs to which phylum?

#Question id: 4520

#Unit 3. Fundamental Processes

Interaction of two regulatory proteins is often mediated by domains containing