What Determines the Specificity of Vesicle Fusion to a Target

question 43

Multiple Choice

What determines the specificity of vesicle fusion to a target membrane?

• A)interactions between tethering proteins alone
• B)interactions between Rabs alone
• C)interactions between specific combinations of interacting proteins,including tethering proteins,Rabs and SNAREs assembled at that site in the cell
• D)interactions between SNAREs alone
• E)a single protein in the membrane of the particular vesicle and target membrane

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Definitions:

Phenotypic Ratio

The proportional relationship between the different phenotypes (observable traits) produced by a genetic cross, often expressed in simplest whole numbers.

Heterozygous

Having two different alleles for a specific gene, one inherited from each parent.

Dominant

Relating to a trait that is expressed in an organism's phenotype, even when only one copy of the gene for that trait is present.

Genotype

The genotype is the genetic makeup of an organism, comprising all the DNA sequences that determine its inherited traits.