Why Would an Increased Level of Calcium Ions Be Observed

question 5

Multiple Choice

Why would an increased level of calcium ions be observed in a newly fertilized sea urchin egg?

• A)Calcium facilitates the binding of bindin to the bindin receptor.
• B)Increased calcium allows the sperm and egg nuclei to join efficiently,resulting in the formation of a zygote nucleus.
• C)Calcium promotes release of proteases from the egg,which digest the egg-cell receptor and prevent polyspermy.
• D)Calcium promotes an influx of water that results in a fertilization envelope.
• E)Answers C and D

Recognize different types of hallucinations and their characteristics.

Understand the treatment-seeking behavior of individuals with psychotic disorders.

Identify the cognitive deficits associated with schizophrenia.

Understand the historical context and development of the term schizophrenia.

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Definitions:

Dependent Variable

In experimental and observational studies, it is the variable being tested and measured, which is hypothesized to be affected by one or more independent variables.

Self-Esteem

An individual’s subjective evaluation of their own worth or value.

Hypothesis

A proposed explanation made on the basis of limited evidence as a starting point for further investigation.

Generate Hypotheses

The process of formulating testable assumptions or propositions about a phenomenon or relationship between variables.