Which of the Following Is the Most Plausible Explanation for Why

question 5

Multiple Choice

Which of the following is the most plausible explanation for why an animal cell would be unable to reduce the Ca²⁺ concentration in its cytosol compared with the extracellular fluid?

• A) inactivation of calcium-gated ion channels in the cell membrane
• B) excessive transport of calcium from the cytosol into the endoplasmic reticulum
• C) insufficient ATP levels in the cytosol
• D) insufficient levels of protein kinase in the cell

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Definitions:

Participant Observation

A qualitative research method where the researcher immerses themselves in a group or setting to observe and participate in the activities being studied.

Ethnographers

Researchers who study human cultures by observing and often participating in the daily life of the communities they study.

Autoethnography

A form of participant observation where the feelings and actions of the researcher become a focal point of the ethnographic study.

Life History

An approach to interviewing that asks for a chronological account of the respondent’s entire life or some portion of it.