Electrons are negatively charged particles while protons are positively charged particles. Electrons have very little mass while protons are massive particles.
The atom is composed of three fundamental particles which are;
ElectronsProtons NeutronsThe electrons are found in orbits. They all exist outside the nucleus. On the other hand, the protons are found inside the nucleus.
Electrons are very light particles. The electron has an infinitesimal mass while the proton is a massive particle. The proton is 1840 times heavier than the electron.
An electron has a negative charge. This can be easily seen when electrons are deflected in an electric field. Protons are positively charged and are deflected accordingly in an electric field.
Learn more: https://brainly.com/question/803445
Which structure in leaves allows the gaseous reactants and products of photosynthesis to move in and out?
Why is dna replication defined as semi conservative?
According to the fluid mosaic model a membrane is composed of
The fluid mosaic model states that a membrane is composed of lipids that form a fluid 'base', with proteins floating in it that are responsible for the functionality of the membrane. Carbohydrates attached to these proteins or lipids serve to identify the cell.
Explanation:According to the fluid mosaic model, a membrane is composed mainly of phospholipids, proteins, and carbohydrates. In this model, the membrane behaves more like a fluid than a solid. The lipids provide the basic structure of the membrane and form a 'sea' in which proteins can float. These proteins are responsible for most of the functionality of the membrane.
The proteins can be either peripheral (on the surface of the membrane) or integral (embedded within the membrane). Carbohydrates, usually attached to proteins or lipids on the outside layer of the membrane, serve to identify the cell to other cells.
Learn more about Fluid Mosaic Model here:https://brainly.com/question/33440799
#SPJ12
According to the fluid mosaic model, a membrane is composed of a phospholipid bilayer with proteins and other molecules embedded in it.
The phospholipid bilayer is a thin, double layer of phospholipid molecules. Phospholipid molecules have a hydrophilic (water-loving) head and a hydrophobic (water-hating) tail. The hydrophilic heads of the phospholipid molecules face the outside of the cell and the extracellular fluid, while the hydrophobic tails face the inside of the cell and the cytosol.
Proteins are embedded in the phospholipid bilayer. Some proteins span the entire bilayer, while others are only partially embedded. Proteins play a variety of roles in membranes, including transport, signaling, and cell adhesion.
Other molecules, such as cholesterol and carbohydrates, are also embedded in the phospholipid bilayer. Cholesterol helps to stabilize the bilayer and prevent it from becoming too fluid. Carbohydrates are often attached to proteins and glycolipids on the outside of the cell membrane. Carbohydrates play a role in cell-cell communication and adhesion.
The fluid mosaic model is a dynamic model of the cell membrane. The phospholipid bilayer is fluid, meaning that the phospholipid molecules can move laterally within the bilayer. This fluidity allows the membrane to bend and fold, which is important for cell movement and division.
The fluid mosaic model is a widely accepted model of the cell membrane. It provides a good explanation of the structure and function of the cell membrane.
To know more about fluid mosaic model
https://brainly.com/question/14871353
#SPJ12
The complete question is:
According to the fluid mosaic model, a membrane is composed of a ______ with______ and other molecules embedded in it.
On the second day of hospitalization a client is discussing with the nurse concerns about unhealthy family relationships. during the nurse–client interaction the client begins to talk about a job problem. the nurse's response is, "let's go back to what we were just talking about." what therapeutic communication technique did the nurse use?
Which of the below animals is the least related to the others, evolutionarily?
what is the the product of pyruvate processing
Answer:
Acentyl CoA
Explanation:
Apex
Proteins attract water and hold it within blood vessels, preventing it from freely flowing into the spaces between the cells. this is an example of how protein is used for:
a. maintaining fluid and electrolyte balance.
b. building antibodies.
c. supporting growth and maintenance.
d. maintaining ph balance.
e. building enzymes, hormones, and other compounds.
Who is most likely to be diagnosed and treated for adhd?
ADHD is likely to be diagnosed in around 8% of children, predominantly in boys, and often continues into adulthood. But ADHD also affects adults, leading to various challenges, including academic, workplace, social, and potential substance abuse issues. The diagnosis and treatment of ADHD have been the subject of substantial debate due to concerns over over-diagnosis and changing diagnostic criteria.
Explanation:Attention-Deficit/Hyperactivity Disorder (ADHD) affects around 8% of children, with approximately 60% of these cases continuing into adulthood. ADHD is characterized by difficulty paying attention, controlling behavior, and hyperactivity, and can lead to significant educational, social, and occupational challenges. On average, boys are three times more likely to have ADHD than girls, although this may partially reflect a greater tendency for boys to show disruptive behavior.
Diagnosis of ADHD is not limited to childhood. While it is true that ADHD is one of the most prevalent childhood disorders, adults can also be affected. Adults who were diagnosed as children or who are diagnosed as adults typically experience varied difficulties, including issues with success in college, challenges in workplace and family life, as well as a higher risk for substance abuse.
Over-diagnosis and the effects of modern technology on attention span have resulted in some social debate about ADHD diagnoses and treatments. Furthermore, the criteria for ADHD diagnosis have evolved over time, and are influenced by a host of factors including age. As such, ADHD remains a complex issue that requires careful consideration for accurate diagnosis and effective treatment.
Learn more about ADHD here:https://brainly.com/question/13719580
#SPJ12
In the cell shown below, which lettered structure is responsible for the excretion of most cellular waste
Well, the answer to this question could be two options, cell wall and lysosomes.
The cell wall works in a way that this waste, can be anything that won't be useful to the cell, will be thrown out of the cell through the membrane, and this can happen because this cell membrane is made out of phospholipids, and they adjust themselves in a way that they can let this waste go through them to get out. This membrane also has transmembrane proteins that could help this process of exocytosis.
The second part, the lysosomes, work in a way that the cell waste goes inside this lysosome, and inside of it, there are multiple different kinds of enzymes that can turn this waste into little molecules that can be used by the cell instead of just throwing it away.
Two parents produce offspring that share their characteristics through ____________ p\reproduction
Areas with little rainfall tend to have basic soils, which have a high pH. Which of the following is an ion known to increase soil pH? A.Sodium B.Oxygen C.Sulfate D.Magnesium
Magnesium ion increase the soil pH and neutralize the basic soil due to little rainfall. thus, option D is correct.
Who less rainfall affects the pH of soil?In warm, humid environments, soil pH decreases over time in a process called soil acidification, due to leaching from high amounts of rainfall. In dry climates, however, soil weathering and leaching are less intense and pH can be neutral or alkaline.
Magnesium ion is vital to plant growth and health. It also increase the pH of the soil as it replace hydrogen ion which resulted in increase of acidity of soil.
Learn more about pH of soil here:
https://brainly.com/question/15408366
#SPJ2
The chemical group that is involved in regulating dna is the __________.
What is the dietary iron of food sources not associated with hemoglobin called?
Why does it make sense that muscle cells would be the best adapted to carry out fermentation?
Final answer:
Muscle cells are best adapted to carry out fermentation because they can operate under low-oxygen conditions, rapidly producing ATP through lactic acid fermentation. This allows them to continue functioning during intense short-term activities. Muscle cells comply with the 'form follows function' principle, possessing specialized structures for their energy needs.
Explanation:
It makes sense that muscle cells would be the best adapted to carry out fermentation because they are often subject to conditions where oxygen supply is limited. During short bursts of intense activity such as sprinting, the demand for ATP (adenosine triphosphate) exceeds the supply of oxygen required for aerobic respiration. In these situations, muscle cells switch to a form of anaerobic respiration known as lactic acid fermentation. This process allows them to produce ATP rapidly, albeit less efficiently than aerobic respiration, from glucose without the need for oxygen. Red muscle fibers are adapted for endurance activities and have a high concentration of mitochondria, whereas white muscle fibers are built for short, sprinting activities and are capable of fermentation due to their glycogen stores and lower oxygen requirements.
In keeping with the theme of form following function, the presence of a high concentration of mitochondria in muscle cells signifies the high energy needs of these cells, particularly during contraction. Lactic acid fermentation becomes crucial when oxygen is scarce and mitochondria cannot perform the Krebs cycle and electron transport chain to produce ATP.
A child with allergic rhinitis is prescribed a nasal antihistamine spray. when advising the parents about the use of the sprays, what should the nurse explain about the rebound phenomenon
Rebound phenomenon refers to the worsening of symptoms once the nasal antihistamine spray wears off, leading to the need for more frequent use of the spray.
Explanation:When advising parents about the use of nasal antihistamine sprays for a child with allergic rhinitis, the nurse should explain the rebound phenomenon. Rebound phenomenon refers to the worsening of symptoms once the medication wears off, leading to the need for more frequent use of the nasal spray. This can occur with prolonged or excessive use of nasal sprays that contain decongestants, but it is less common with nasal antihistamine sprays.
Learn more about Rebound phenomenon here:https://brainly.com/question/28167887
#SPJ12
Why are dna fragments with more base pairs found near the sample wells (origin) and the lower number of bp fragments found near the anode?
An organism that can live in only one particular environment or that can survive on only one type of food would be called a?
An organism that lives in one particular environment or consumes one type of food is called a specialist, like the Karner blue butterfly which is highly dependent on wild lupine.
An organism that can survive only in a particular environment or with a specific type of food is called a specialist. Specialists exhibit adaptations that are suited to very specific conditions; for example, the Karner blue butterfly (Lycaeides melissa samuelis) which lays its eggs exclusively on wild lupine. This contrasts with a generalist organism, which can thrive in a wide variety of environments and make use of different types of resources, like the human species that inhabits diverse climates and ecosystems.
In diabetic patients, what molecule is missing in the transport system
Do all types of helper t-cells bind to all antigens
No not all types of helper T-cells bind to all antigens, between an antigen and B-cell different from the binding between an antigen and helper T-cell, B-cells directly bind to free-floating pathogens, and helper T-cells bind to APCs. The helper T-cell's antibody accepts an antigen from the surface of a B-cell.
Answer: No
Explanation:
T helper cells are the CD4+ T cells which play an important role in the adaptive immune system.The T helper cells are majorly of two types Th1 and Th2. Besides this another category is of Th17 cells.The T helper cells are able to bind the antigens only when they are presented in a complex bound by MHC. The cells which express MHC bound antigens on their surface are referred to as Antigen presenting cells.All types of helper T cells are not able to bind to all antigens because each type of T cell formed in the body is specific for a particular antigen. This specificity for a particular antigen is acquired when the T cell maturation takes place.Further, the T helper cells are not able to bind to soluble antigens that are not bound to MHC. In fact the soluble antigens are bound by the antibodies released by the B cells.Thus, it would be incorrect to say that all types of helper T cells bind to all antigens.
What is the advantage of having the bacterial dna near the center of the cell?
Answer:
The DNA of the bacteria is present in a circular form which can be housed inside the irregularly shaped nucleoid without membrane. The nucleoid contains other biomolecules like proteins, enzymes and RNA along with DNA.
The bacterial DNA is present in the center of the cell as its central location enables it to reach the to all parts of the cell which could facilitate the cell functions easily. Since DNA controls all the functions of the nucleus, therefore, it's central location is necessary to the cell.
What happens when you put aluminum foil in a microwave?
Final answer:
Placing aluminum foil in a microwave can cause sparks and potentially start a fire due to high-energy radiation causing electrons in the metal to move, leading to rapid heating and damage to the microwave. It's not recommended to put metal in a microwave.
Explanation:
What happens when you put aluminum foil in a microwave? When aluminum foil is placed in a microwave, the electric fields in microwaves cause the electrons in the metal to move, creating currents of electricity. This can cause sparks, or arcing, between points of the foil or between the foil and the sides of the microwave. Additionally, microwaves are high-energy radiation that increases the movement of electrons in materials they interact with, which can lead to the foil heating up rapidly. This can damage the microwave's components or even start a fire. It's important to remember that microwaves heat food by causing water molecules to vibrate, but metals reflect these microwaves, leading to uneven heating and potentially hazardous situations. Therefore, it's not recommended to put metal, such as aluminum foil, in a microwave.
Which symptoms are common during the fulminant stage of inhalation of anthrax?
What kind of tissue is found in the iris, hair follicle, and anus?
What are two kinds of evidence used by modern taxonomists to classify organisms based on evolutionary relationship?
In the postanesthesia care unit (pacu), the nurse notes that the patient is having difficulty breathing and suspects an upper airway obstruction. what would the nurse do first?
If you would like the same label to appear in the first ten cells of column a, you should _____.
Answer:
Copy and paste by using special function (ALT+E+S+V)
Explanation:
It is easy to work on excel as it allows to increase efficiency by easing the completion of repetitive work.
In this case when same label is to be copied to ten different cell of a column, then one can do the following -
a) put the cursor on the label that is to be copied
b) Press ctrl + C to copy the label
c) Now select the columns in which the labels are to be copied
d) Press ALT + E+ S+V and select format if only format is to be pasted.
Glycogen is stored in which region of a muscle fiber?
Final answer:
Glycogen is stored in muscle fibers and in liver cells, serving as an important energy reserve that supplies glucose during intense physical activity through glycogenolysis and glycolysis.
Explanation:
Glycogen, a key energy storage molecule, is primarily stored within the muscle cells of the body. As well as being stored in muscle fibers, it is also found in liver cells. The function of glycogen in muscle cells is to provide a readily available source of glucose during intense physical activity, enabling glycolysis and ATP production to continue and thus sustaining muscle contractions.
This process is enabled through glycogenolysis, the breakdown of glycogen into glucose-1-phosphate and its subsequent conversion to glucose-6-phosphate, which enters the glycolytic pathway.
About 70% of the total glycogen in the body is stored in muscle cells. Although the percentage of glycogen (by weight) is higher in the liver, the much greater mass of skeletal muscle stores a greater total amount of glycogen.
How do hydrophilic and hydrophobic relate to the structure of a cell membrane?
The tails, which face the inside of the cell membrane, are "hydrophobic," but the heads, which make up the exterior and inner linings, are "hydrophilic".
What is cell membrane?Cell membrane is defined as the membrane isolates the inside of the cell from the external environment and is present in all cells.
It can also be defined as a biological membrane that keeps all cells' interiors isolated from the outer world and provides protection for it.
Plasma membrane is another name for the cell membrane.
The three main function of cell membrane are:
A cell membrane is made up of lipids and proteins.Transport proteins, glycoproteins, and structural proteins all make up the cell membrane. These preserve the shape and structure of the cell, move materials across the membrane, and communicate between cells.Cell membrane are both hydrophilic and hydrophobic in nature.
Thus, the tails, which face the inside of the cell membrane, are "hydrophobic," but the heads, which make up the exterior and inner linings, are "hydrophilic".
To learn more about cell membrane, refer to the link below:
https://brainly.com/question/13524386
#SPJ2
Briefly describe the five major processes involved in the formation of sedimentary rocks
The sedimentary rocks are the special type of rocks which are formed by the weathering of the pre-existing rocks, lithification, erosion, and deposition of mineral particles, etc.
What are sedimentary rocks?
The most common sedimentary rocks include the sandstone, limestone, and shale. These rocks are often present as sediments which are carried in rivers and deposited in lakes and oceans. When these sediments are buried, they lose water and become cemented to form the sedimentary rocks.
Sedimentary rocks are the product of the basic processes which include weathering of pre-existing rocks, transport of the weathering products, deposition of materials, compaction, and the cementation of the sediment to form a rock. The last two processes are called as lithification.
Learn more about Sedimentary rocks here:
https://brainly.com/question/10709497
#SPJ5
What letters do the names of enzymes usually end in?
Enzymes typically end with the suffix '-ase'. Examples include lactase, amylase, and lipase. This naming convention helps classify and identify the enzymes and their functions.
Explanation:In biology, the names of enzymes usually end in '-ase'. For example, lactase, amylase, and lipase are all enzymes. This suffix is a convention in the naming of enzymes based on the reaction they catalyze. It is a universally followed nomenclature system in biology that allows for the easy classification and identification of enzymes and their functions.
Learn more about Enzymes here:https://brainly.com/question/31561117
#SPJ6