Base Your Answers to the Questions Below on the Following

question 25

Multiple Choice

Base your answers to the questions below on the following information:
A cell biologist interested in the transport of calcium ions (Ca2+) across the plasma membrane of bacterial cells made the following measurements on bacterial cells at 25°C:
Vm = - 150 mV [Ca2+] inside = 20 mM [Ca2+] outside = 0.4 mM
-Assuming no change in either the internal or external calcium ion concentration, at what membrane potential would there be no net movement of calcium across the membrane?

• A)0 mV
• B)+50 mV
• C)+25 mV
• D)- 50 mV
• E)- 25 mV

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Definitions:

Sex Differences

Biological differences between males and females, in organs, hormones, and body shape.

Permissive Parents

A parenting style characterized by low demands with high responsiveness, where parents are very lenient and mostly allow their children to do what they want.

Child Maltreatment

Physical, sexual, emotional abuse, or neglect of a child by a parent, caregiver, or another person in a custodial role.

Physical Punishment

A form of discipline that involves causing physical discomfort or pain to an individual, often used as a corrective measure.