D. Unlimited flow of water into or out of the cell
Further explanation
Cell membranes are a universal feature shared by all types of cells in the form of interface layers called plasma membranes, which separate cells from the environment outside the cell, especially to protect the cell nucleus and the survival system that works inside the cytoplasm.
In eukaryote cells, the cell membrane that encloses the organelles in it, is formed from two kinds of compounds namely lipids and proteins, generally of phospholipid type such as compounds between phosphatidyl ethanolamine and cholesterol, which form structures with two layers with certain permeability so that not all molecules can pass through cell membrane, but on the sidelines of the phospholipid molecule, there is a transporter which is a pathway in and out of substances that are needed and not needed by the cell.
Water permeability values in multiple membranes of various lipid compositions range from 2 to 1,000 × 10−5 cm2 / s. The highest rates are found in plasma membranes in renal epithelial cells, some glia cells and some cells that are affected by membrane proteins of the type of aquaporin. Aquaporin-2 allows the presence of water transporters that are sensitive to vasopressin, while the expression of aquaporin-4 is found to be very high in some glia and ependimal cells.
The components of cell membranes include phospholipids, proteins, oligosaccharides, glycolipids and cholesterol.
One of the functions of cell membranes is as molecular and ionic traffic in both directions. Molecules that can pass through cell membranes include hydrophobic molecules (CO2, O2), and very small polar molecules (water, ethanol). Meanwhile, other molecules such as polar molecules with large size (glucose), ions, and hydrophilic substances require special mechanisms to be able to enter the cell.
The large number of molecules entering and leaving the membrane causes the creation of membrane traffic. Membrane traffic is classified into two ways, namely by passive transport for molecules capable of passing through the membrane without special mechanisms and active transport for molecules that require special mechanisms. Membrane traffic will make a difference in ion concentration as a result of two different processes namely diffusion and active transport, known as ion gradient. Furthermore, the ion gradient makes the cell has a cellular electrical voltage.
Learn More
Cell membranes : https://brainly.com/question/6676567
Details
Class: middle school
Subject: social studies
Keywords : cell membranes, functions, organelles
What is patriots view on the effects on business if the colonies separate
!HELP NEEDED !!!What was true about African slaves in the Southern colonies in 1700?
A
They produced rum to be shipped to Britain.
B
They outnumbered free whites.
C
They could work for several years to secure their freedom.
D
They owned their own rights.
According to the image, which mechanism is moving the water? \
A.
wind
B.
Coriolis effect
C.
convection
D.
condensation
The movement is in fact in the water so it is C. convection
four ajectives that can be used to describe the slave trade are
collective noun for , there are four people in my family.
Jeanette is contemplating the purchase of a new mailbox. What is one factor she should consider when making this purchase that she would not need to consider if she were simply buying dinner? (1 point) Select one: a. Durability b. Quality c. Price d. Total cost
The correct option is " Durability "
The idea of durability refers to the condition of durable or durable: that is, it can last a great amount of time. Durability, therefore, is linked to duration (permanence, subsistence).
In this case we see that food is not an object that lasts a long time. Therefore I should only think about the durability of them.
Which number represents the time period in which the Civil War ended?
A) 2
B) 3
C) 4
D) 5
Answer: The number that represents the time period in which the Civil War ended is (C) 4.
Explanation: The number 4 in the picture represents the time period that extends from 1860 to 1870. At the same time, this time period includes the year in which the Civil War ended: 1865. The Civil War, which was fought between the Union (the forces in the North) and the Confederacy (the forces in the South), started in 1861 and ended in April 1865, when General Robert E. Lee, the commander of the Confederate States Army, finally surrendered after the Appomattox campaign.
Why did the British impose new taxes on the colonists? How did the colonists respond to these new taxes?
Answer:
b
Explanation:
b
The U.S. became involved in conflict in Vietnam after the surprise bombing of a U.S. naval base.
Answer:
If this is true or false, then the answer is true.
Explanation:
Which of these events happened most recently BEFORE the Treaty of Indian Springs was signed by Chief William McIntosh?
A) The War of 1812 had ended.
B) The Revolutionary War had ended.
C) The Union had won the Civil War.
D) South Carolina seceded from the United States.
EDIT the answer is A)
The Nile River’s flooding could be described as
a.
cataclysmic.
c.
gentle and dependable.
b.
destructive.
d.
rare.
Please select the best answer from the choices provided
Answer:
I took the test it is gentle and dependable. C
Explanation:
Who wrote a legal code that covered most areas of daily life? A. Hammurabi B. Gilgamesh C. Nebuchadnezzar D. Nineveh
What principle of perception is at the heart of the Gestalt theory?
Invaders of Mesopotamia include all of the following except_____
a. The Hittites, c. The Assyrians
b. The Kassites d. The Phoenicians
Answer:
Answer: D is correct. Phoenicians did not invade Mezopotamia
Explanation:
Persian King Cyrus the Great conquered Phoenicia in 539 BC. The Persians then divided Phoenicia into four vassal kingdoms: Sidon, Tyre, Arwad, and Byblos. They prospered, furnishing fleets for Persian kings. Phoenician influence declined after this.
PLEASE ANSWER QUICK
Describe Shays Rebellion.What grievances led to work?What action did Shay and the other Farmers take?what did the militia do?what was its result?
What describes using organisms that were only alive during a specific time period to estimate the unknown age of items?
The correct answer is index fossils. A fossil index is a paleontological or archaeological remain whose presence can be used to date with some precision the stratigraphic unit in which it is found because they are particular or exclusive of a certain period of geological history, or of Prehistory, or indicators of a certain paleoenvironment.
In general, the taxa or cultural modes of the past that gave rise to the guide fossils had a very short duration on a geological -or historical- scale, which means that their presence is limited to chronological -or cultural- coordinates, in the case of prehistoric cultures-, very limited. That is, if a guide fossil appears in a stratum, that stratum can be dated with enough accuracy.
Answer: the answer is index fossils
How are the federal appellate courts and the United States Supreme Court alike? A. Both must accept the rulings of district court judges B. Both Go to hear the testimony of witnesses and decide upon the guilt or innocence of accused persons C. Both can overrule the findings of state supreme courts D. Both decide whether cases originating in federal district courts were handled fairly and constitutionally
it's d both decide whether cases originating in federal district courts were handled fairly and constitutionally
Both the Federal appellate courts and Supreme Court decide whether the cases originating in federal district courts were handled fairly and constitutionally.
Basically, the District court are the court which judges the trial of a defaulting defendant.
If the defaulting defendant does not agree with the verdict, then, the option of appeal can be use for reassessment of the case.
The case of the defendant can also be transferred to the Supreme court whose judgment will be final.
Therefore, the Option D is correct because both the Federal appellate courts and Supreme Court decide whether the cases originating in federal district courts were handled fairly and constitutionally.
Read more about this here
https://brainly.com/question/14029436
One thing that was unusual about the rule of Thumose III was that he______ .
a.
treated those he conquered with mercy
c.
had a strong army
b.
united lower and upper Egypt
d.
expanded the Egyptian empire
Please select the best answer from the choices provided
Answer:
a.treated those he conquered with mercy
Explanation:
Many egyptian pharaons expanded the empire and egyptian reign beyond its borders, Thumose conquered and created the largest Egypt empire on history, and he did by conquering part of asia, and after he conquered he would leave a local regent, that would rule over the land and pay annual tribute to the Egyptian crown, and would take all of the offspring of the current leaders and kings to be egyptianized and educated in the egyptian court so they´d eventually come back to rule what they inherited.
· Located at the mouth of a major Georgia river · Fastest growing port in the United States · Owned and operated by the Georgia Port Authority · Located in Georgia's fifth-largest city .
All of these are describing the....
A) Port of Columbus
B) Port of Savannah
C) Port of Brunswick
D) Port of Charleston
Answer is b to this question
What was the importance of the battle of bloody marsh
The Battle of Bloody Marsh was a decisive victory for the British over the Spanish forces in the War of Jenkins' Ear. It ended the Spanish threat to the British colonies in Georgia and contributed to the expansion of British colonial power.
Explanation:The Battle of Bloody Marsh was a significant event in the history of the British colony of Georgia during the War of Jenkins' Ear in 1742. It took place on St. Simons Island and resulted in a decisive victory for the British over the Spanish forces. The importance of this battle lies in its outcome, as it effectively ended the Spanish threat to the British colonies in Georgia.
The Battle of Bloody Marsh was a turning point in the conflict between the British and the Spanish. The victory boosted the morale of the British colonists and demonstrated their ability to defend their territory against a powerful adversary. Additionally, it solidified British control over Georgia and protected their interests in the region until the end of the war.
In the broader context of American history, the Battle of Bloody Marsh is significant as it contributed to the expansion of British colonial power and the eventual establishment of the United States. By securing their presence in Georgia, the British were able to maintain a stronghold in the southern colonies and exert influence over the region.
Learn more about Battle of Bloody Marsh here:https://brainly.com/question/11095730
#SPJ12
how did english settlements in america effect indians?Help
In what direction had Europeans traders normally gone to reach Asia
Approximately how large are mini-fundia estates? Question 7 options: less than 10 acres less than 50 acres less than 100 acres less than 500 acres
Mini-fundia estates are typically less than 10 acres in size. They are small agricultural land holdings in Latin America and the Caribbean, commonly used by small-scale farmers.
Explanation:Mini-fundia estates are typically <10 acres in size. These estates are small agricultural land holdings in Latin America and the Caribbean. They originated during the colonization period when large tracts of land were divided into smaller plots and distributed among local farmers. Today, mini-fundia estates are still commonly found and utilized by small-scale farmers to cultivate crops and raise livestock.
Learn more about Mini-fundia estates here:https://brainly.com/question/8530791
#SPJ12
Should hospitals be allowed to use and share your genomic information collected in blood samples without your consent?
Final answer:
Ownership and privacy of genomic information remain complex issues, with GINA providing some protections against discrimination while not fully ensuring the privacy of such data. Informed consent is considered crucial, and society must engage in ongoing discussions to navigate the ethical implications of genomic sequencing and data use.
Explanation:
Who Controls Genetic Information and Its Privacy?
The question of whether hospitals should be allowed to use and share your genomic information collected in blood samples without your consent touches on several ethical, legal, and social issues surrounding the control and privacy of genetic data. Currently, the ownership of an individual's genomic information is a subject of significant debate and concern. There are established legal safeguards like the Genetic Information Nondiscrimination Act of 2008 (GINA), which prohibits discrimination by health insurers and employers based on genetic information, but does not cover life, disability, or long-term care insurance policies. This implies that while some protections are in place, gaps remain, and it is widely considered unethical for hospitals to use or share genomic information without informed consent. Furthermore, the increasing affordability and reliability of genomic sequencing bring to fore ethical questions concerning the use of such data, potential increases in insurance rates, and how an individual's predisposition to disease might affect their employment or insurance coverage.
It is critical for society to continue dialogues on these topics to ensure that genomic data are used to improve health care and protect individual rights. The need for ongoing conversation implies that questions of consent, data use, and oversight are not fully resolved, and community engagement is essential in shaping policies and practices that uphold both the advancement of medical science and the safeguarding of privacy rights.
how could a strong central government help georgians facing an indian war
why is science a never-ending process?
Some scientists hypothesize that icy debris arrived on other terrestrial planets in a similar manner to how it arrived on Earth. On Earth, the ice eventually turned to water and water vapor, forming extensive oceans and a life-sustaining atmosphere. But the same is not exactly true for the other terrestrial planets. What are two reasons why?
A. Temperatures on Earth are ideal for water to exist in solid, liquid, and gaseous forms.
B. Magnetic forces generated in Earth’s mantle are directly responsible for Earth’s oceans.
C. The absence of life forms on other terrestrial planets didn’t require a need for water.
D. Earth’s gravity holds the water vapor in Earth’s atmosphere close to its surface.
E.Earth’s solid outer core is sufficiently rigid to keep water above its surface.The Answer is More than 1! thx
Many billions of years ago the conditions on the surface of the Earth and some planets of the Solar System were similar, for example, the planet Mars had similar conditions, as on Earth. There were some initial cellular forms of life on Mars. Due to the formation of the atmosphere on Earth, the evolution of the original organisms has evolved to this day. It was not the case on Mars, because of the lack of an atmosphere similar to the Earth, where organisms would develop. The reasons for this are the size of Mars, which has a double smaller diameter than the Earth, incomparably smaller gravity, less tolerance for retaining a favorable atmosphere, and then a devastating impact of solar and cosmic rays on organisms, which is a direct consequence of drying the surface of Mars - the lack of water. It is similar to some other planets, although some of them have other reasons for not forming favorable conditions for developing a life.
The correct answers are A. and D.
What scientific advancement did the chaldeands make?
Answer:
They studied astronomy.
Explanation:
What factor influenced the migration patterns of early humans?
Factors that influence the migration pattern of early humans like the availability of resources as well as Climate conditions.
What is migration?
When people from one location move or transferred to another location in search of livelihood and seeking better opportunities for the future to have financial stability in life along with security is considered migration.
Early humans are the people who reside in caves and does not have permanent shelter. They depend on hunting and animal gazing to manage their livelihood as agriculture does not develop at that time.
They created equipment that helps them in hunting the animals as well s protecting them from their attacks and invent fires to cook food and save them from cold winds.
They migrated from one place to another due to adverse climatic conditions as they live in caves as well as the availability of food resources to make their survival possible.
Learn more about migration, here:
https://brainly.com/question/12719209
#SPJ2
Read Isaiah 7:13-14. List the verse and complete the key phrase which indicates Jesus' First Advent. Verse , key phrase: house of .
Answer: chapter 7 verse 14
Explanation: i hope this help please give me a good rating