Explain the sa node cardiac muscle cells, Biology

Assignment Help:

Which of the following is true for SA node cardiac muscle cells?

A. An increase in the binding of norepinephrine to beta-adrenergic receptors in SA node cells will lead to an increase in intracellular levels of cAMP in these cells.

B. A decrease in intracellular levels of cAMP in SA node cells will lead to a decrease in the amount of time between two successive action potentials in SA node cells.

C. An increase in the binding of acetylcholine to muscarinic ACh receptors in SA node cells will lead to an increase in heart rate.

 


Related Discussions:- Explain the sa node cardiac muscle cells

When the carbon dioxide concentration is increased, Why is the carbon dioxi...

Why is the carbon dioxide concentration a limiting factor of the photosynthesis process? When the carbon dioxide concentration is increased indefinitely is photosynthesis also incr

What are hormones, What are hormones? Hormones are chemicals secreted b...

What are hormones? Hormones are chemicals secreted by the body to create changes in physical appearance, reproductive behavior, and emotions. Hormones are organic chemical m

Explain about the food spoilage, Explain about the Food Spoilage? Foods...

Explain about the Food Spoilage? Foods gradually undergo deterioration or spoilage from the time they are harvested, caught, slaughtered or manufactured. Therefore, delay in th

What are passive and active immunization, What are passive and active immun...

What are passive and active immunization? According to the duration of the protection how do these types of immunization differ? Active immunization is that in which an antigen

Define pacinian corpuscules, Q. Define Pacinian corpuscules? Pacinian ...

Q. Define Pacinian corpuscules? Pacinian corpuscules are an example of sensory receptors scattered deep in the subcutaneous tissue underlying skin or in viscera.  These mech

What do you mean by post-herbal period, What do you mean by Post-Herbal Per...

What do you mean by Post-Herbal Period ? Ans. It is difficult to draw a sharp line of demarcation between the transition period, marked by various attempts of classificati

What do you mean by polyester, Q. What do you mean by Polyester? Polyes...

Q. What do you mean by Polyester? Polyester (ES) or polyethylene terephthalate (PET): PET is a very strong transparent glossy film, which has good moisture and gas barrier p

Fructose-1, Fructose-1,6-bisphosphate  and Fructose-6-phosphate : The  conv...

Fructose-1,6-bisphosphate  and Fructose-6-phosphate : The  conversion of  fructose-1,6- bisphosphate  to fructose-6-phosphate is  catalysed by fluctose-1,6-bisphosphatase  which  i

Physiological adaptation of parasites for infectioness, physiological adapt...

physiological adaptation of parasites for infectiousness?

Brain thinking, in what form brain stores thinking or past experiences?

in what form brain stores thinking or past experiences?

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd