Action Potential Process Quiz

What is the function of Bartholin's Gland?

To produce a fluid secretion (correct)
To assist in the development of the clitoris
To provide sensation to the vaginal opening
To regulate the menstrual cycle

What is the primary function of the clitoris?

To regulate the menstrual cycle
To provide sensation to the vagina
To assist in sexual arousal (correct)
To produce hormones

What is the main role of the vagina?

To regulate the menstrual cycle
To connect the cervix to the outside of the body (correct)
To produce hormones
To house the developing fetus

What is the primary function of the uterus?

To house the developing fetus (D) Signup and view all the answers

What is the main role of the ovaries?

To produce hormones (B) Signup and view all the answers

What is the function of the fimbriae?

To receive the ovum (B) Signup and view all the answers

What happens during depolarization?

It triggers an action potential (B) Signup and view all the answers

What is the primary function of ungated channels during the resting state?

Maintain the resting potential (B) Signup and view all the answers

At what membrane potential does the threshold for triggering an action potential lie?

-55 mV (C) Signup and view all the answers

What is the significance of the falling phase of the action potential?

The membrane returns to its resting state (B) Signup and view all the answers

What happens during the rising phase of an action potential?

Most potassium channels open (A) Signup and view all the answers

What principle states that the power of a stimulus is not proportional to the power of the action potential?

All-or-nothing Principle (C) Signup and view all the answers

What is the role of the enzyme helicase in DNA replication?

Helicase breaks the hydrogen bonds that hold the DNA bases together, unwinding the double helix. (A) Signup and view all the answers

What is the role of the enzyme topoisomerase during DNA replication?

Topoisomerase breaks, swivels, and rejoins the DNA strands to relieve the overwinding strain ahead of the replication forks. (C) Signup and view all the answers

What is the function of DNA Polymerase III (DNA Pol III) during DNA replication?

DNA Pol III uses the parental DNA as a template to synthesize new DNA strands by adding nucleotides to an RNA primer or a pre-existing DNA strand. (D) Signup and view all the answers

What is the role of DNA Polymerase I (DNA Pol I) during DNA replication?

DNA Pol I removes the RNA nucleotides of the primer and replaces them with DNA nucleotides. (B) Signup and view all the answers

What is the function of the enzyme primase during DNA replication?

Primase makes the primer so that DNA polymerase can figure out where to start the replication process. (D) Signup and view all the answers

What is the difference between the leading strand and the lagging strand during DNA replication?

The leading strand is made continuously, while the lagging strand is made discontinuously. (B) Signup and view all the answers

What is the primary function of calcitonin in the regulation of blood calcium levels?

Promotes the uptake of calcium by bones (C) Signup and view all the answers

Which hormone is responsible for raising blood glucose levels when they are low?

Glucagon (D) Signup and view all the answers

In individuals with Type 1 diabetes, what is the underlying cause of their inability to regulate blood glucose levels?

Inability to produce insulin (B) Signup and view all the answers

What is the primary function of the renin-angiotensin system in regulating blood pressure and volume?

Stimulating the kidneys to secrete renin to regulate blood pressure (C) Signup and view all the answers

What is the primary function of DNA in living organisms?

Storing and transmitting genetic information (B) Signup and view all the answers

Which of the following statements about the structure of DNA is correct?

The DNA backbone is composed of phosphate and sugar molecules (D) Signup and view all the answers

During translation, which component determines the order of amino acids in a protein?

tRNA anticodons (B) Signup and view all the answers

What is the role of ribosomes in the process of translation?

Pairing tRNA anticodons with mRNA codons (A) Signup and view all the answers

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