1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
KIM [24]
3 years ago
5

Given a very unusual cell with an intracellular fluid containing 1 mM calcium phosphate and an extracellular fluid containing 10

0 mM calcium phosphate. If the cell membrane contains open ion channels that are permeable only to calcium ions, what is the membrane potential (Vm) when the system attains equilibrium
Biology
1 answer:
vladimir1956 [14]3 years ago
8 0

Answer:

M.P = 140.46 Vm

Explanation:

Membrane potential can calculated using the following equation:

<em>(61/z) ln ([X]out/[X]in)</em>

where z is the charge of Ca2+ ion and X represent the concentrations By applying necessary calculations…

Membrane potential = (61 / 2) ln (100 x 10^-3 / 1 x 10^-3)

                                  = 30.5 x 4.60 = 140.46 Vm

You might be interested in
Decide what is meant by the statement “science is not limited to the laboratory “?
castortr0y [4]

<u>Answer</u>:

Science is not limited to the laboratory because it has done in a laboratory to study the physical, chemical and biological aspects of the natural system. It mean that science presents everywhere and happening at all times. It also mean that anyone can become a scientist and they can conduct the experiments with the data and a hypothesis.

<u>Explanation</u>:

Science is the study of the physical, chemical, biological, and mathematical study of nature. The science is studied in laboratory conditions to validate the various reaction and principles occurring in natural systems.

In a laboratory, small system or model is made to study the particular aspect of a large system. Thereby, science in the laboratory helps to find out the science of the actual world. Various principles, machines and designs are inspired by the natural systems.

4 0
3 years ago
Which statement is an example of variation within a species? picture attatched.
Alina [70]

Answer: B

Explanation: The other answers are talking about similarities among different species.

4 0
2 years ago
Compared to unmyelinated axons, myelinated axons?
Furkat [3]

Answer:

A. Conduct impulses faster.

Explanation:

Myelinated axons are called that way due to the myelin sheath that surrounds them. Myelin has an insulation property so electrical impulses cannot travel through it, except on certain sites called Nodes of Ranvier. In order for electrical impulses to be conducted on myelinated axons they must "jump" from one Node of Ranvier to the next, and thus conduction is faster. This is called saltatory conduction.

4 0
3 years ago
How much atp is produced from one glucose molecule if no oxygen is available to a muscle cell during contraction?
andrew11 [14]
Production of ATP in the absence of oxygen is called anearobic respiration. Under anaerobic respiration,two molecules of ATP is produced from one molecule of glucose. These ATP are used for energy production by the contracting muscles.
6 0
3 years ago
A very acidic pH level is _____, and a very basic pH level is _____.<br><br> 1; 13<br> 13; 1
Tanya [424]
A very acidic pH level is 1, and a very basic pH level is 13. 
6 0
3 years ago
Read 2 more answers
Other questions:
  • For many years, the evaluation of water quality of North Carolina streams was defined in chemical terms, ignoring the biological
    8·2 answers
  • Which best statement best describes what a thylakoid does during photosynthesis
    5·2 answers
  • a breaker is divided into two halves A&amp;B by a membrane that is freely permeable to the water and naCI but not to protein sid
    10·1 answer
  • The functions of the stomach include: the complete digestion of protein dissolving all the food that enters it killing bacteria
    5·1 answer
  • What is useful for a fast source of energy?
    10·1 answer
  • Hey, can you guys list some important things about the Ring of Fire ( more specifically by Japan ) Thanks !
    6·1 answer
  • Scientists believe that the oldest known fossils discovered to date are that of __________.
    14·2 answers
  • During the first step of cellular respiration, glucose is converted into?
    8·2 answers
  • 2 An astronaut has a mass of 70 kg.
    7·2 answers
  • Which autonomic system is most likely to be dominant while someone is in a stressful situation?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!