Evidence That Synaptotagmin Is the Ca²⁺ Sensor for Exocytosis of Neurotransmitters

question 11

Multiple Choice

Evidence that synaptotagmin is the Ca²⁺ sensor for exocytosis of neurotransmitters includes:

• A)Ca²⁺ binding by synaptotagmin.
• B)partial loss-of-function mutations of synaptotagmin in Drosophila and C.elegans that result in neurons that are defective in Ca²⁺-stimulated vesicle exocytosis.
• C)uncoordinated embryonic muscle contractions in Drosophila and c.elegans mutants that lack synaptotagmin.
• D)all of the above

Comprehend the construction and significance of life tables in determining population dynamics.

Identify characteristics of species prone to extinction and understand factors contributing to their vulnerability.

Distinguish between K-selected and r-selected species based on their reproductive strategies and offspring characteristics.

Explain the effects of dispersal patterns on population distribution.

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Definitions:

Cell Fractionation

The technique used to separate the components of cells by subjecting them to centrifugal force. See differential centrifugation and density gradient centrifugation.

Biochemical Techniques

methods used in biology to study the structure and function of macromolecules like proteins and nucleic acids.

Physical Separation

The process of establishing a distance or barrier between objects or individuals, often for safety, privacy, or organizational purposes.

Smooth ER

The smooth endoplasmic reticulum is a membrane-enclosed organelle found in eukaryotic cells, involved in lipid synthesis, detoxification, and calcium ion storage.