The factor which makes the permeability of the plasma membrane a main reason for the cells existence is that this condition makes the cell a to take in important required substances and throw out waste. Thus, the life of the cell is based the fact that the plasma membrane is selectively permeable.
Further Explanation:
Eukaryotic cells are the cells which have membrane-bound organelles, membrane-bound nucleus, and several chromosomes. They have a true nucleus and have some similarity with prokaryotic cells like plasma membrane, cytoplasm, and ribosomes.
Plasma membrane is selectively permeable as they allow only certain molecule to pass through them. This permeability is dependent on many factors one of them being the need of the molecule by the cell. The membrane of the cell is made up of following components;
1. Phospholipid bilayer
2. Transmembrane proteins
3. Interior protein network
4. Cell surface markers
Out of these components the one responsible for maintaining the movement of the chemicals or molecules across the membrane is the phospholipid bilayer and the transmembrane proteins. The major component which acts as an permeability barrier is the phospholipid bilayer.
Learn more:
1. Learn more about which structure is unique to eukaryotic cells brainly.com/question/4493579
2. Learn more about the purpose of transfer RNA brainly.com/question/236807
3. Learn more about translation brainly.com/question/273550
Answer Details:
Grade: High School
Subject: Biology
Chapter: Cell biology
Keywords:
Eukaryotic cell, DNA, cell membrane, ribosomes, nucleus, plasma membrane, cytoplasm, chromosomes, endoplasmic reticulum, nucleolus, phospholipid bilayer, transmembrane proteins.
an animal that starts with the letter n is a narwhal
a. True
b. False
Answer;
The above statement is True.
Explanation;
-Biotic factors are the living components of an ecosystem and are sorted into three groups: producers or autotrophs, consumers or heterotrophs, and decomposers or detritivores.
-Producers are living things within an ecosystem that make life possible for all other organisms. This is because they produce something very important. They are important parts of an ecosystem. Producers are the green plants. They make their own food. Consumers on the other hand are animals and they get their energy from the producers or from organisms that eat producers.
Producers, like plants and algae, are the most important biotic factors in an ecosystem. They convert sunlight into glucose through photosynthesis, forming the basis of the food chain. They are critical to survival of all other organisms, as all organisms either directly or indirectly depend on producers for energy.
The statement is True. Producers, like plants and algae, are indeed the most important biotic factors in an ecosystem. They play an essential role in every ecosystem because they convert sunlight, via photosynthesis, into glucose. This forms the basis of the food chain, as this energy is passed onto other organisms when they consume producers. Without producers, no other organisms could survive, because all organisms, either directly or indirectly, get their energy from producers. Therefore producers are the most critical part of any ecosystem.
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Answer:
Red blood cells are the most common formed element and they contain hemoglobin which is a respiratory pigment that can transport both oxygen and carbon dioxide throughout the body.
Explanation:
Red blood cells are the most common formed element in the blood and contain hemoglobin, a respiratory pigment that can transport both oxygen and carbon dioxide throughout the body.
Red blood cells are the most common formed element in the blood. They contain a respiratory pigment called hemoglobin, which is responsible for transporting oxygen andcarbon dioxidethroughout the body.
Hemoglobin binds to oxygen in the lungs, forming oxyhemoglobin, and carries it to the body's tissues. In the tissues, oxyhemoglobin releases oxygen, allowing it to be used by cells for various metabolic processes. At the same time, hemoglobin picks up carbon dioxide, a waste product of cellular respiration, and carries it back to the lungs for exhalation.
This process of oxygen and carbon dioxide transportis crucial for maintaining the body's overall oxygen levels and removing waste carbon dioxide. Without red blood cells and hemoglobin, the body would not be able to efficiently deliver oxygen to all cells and remove carbon dioxide.
Learn more about formed elements and respiratory pigment here:
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B) the random nature of the fertilization of ova by sperm.
C) the random distribution of the sister chromatids to the two daughter cells during anaphase II.
D) the relatively small degree of homology shared by the X and Y chromosomes.
E) the random and independent way in which each pair of homologous chromosomes lines up at the metaphase plate during meiosis I, the random nature of the fertilization of ova by sperm, the random distribution of the sister chromatids to the two daughter cells during anaphase II, and the relatively small degree of homology shared by the X and Y chromosomes.
Answer:
its c : When blood sugar concentration is above normal, the endocrine system releases hormones that lower the blood sugar concentration until it reaches a normal level, and the release of the hormones slows.
Explanation:
A) Positive feedback loop
B) Positive feedback loop
C) Negative feeback loop