Immune system cells differentiate healthy versus unhealthy cells in the body by examining the glycocalyx part of the cell.
What is Glycocalyx?The Glycocalyx may be defined as a coat that significantly covers the outside of organisms such as bacteria. It is composed or made up of glycoproteins, glycolipids, and polysaccharides.
The major function of the glycocalyx found on the bacteria is that it is like a protective coat that forms the protection for the bacterial cell from the host reactor, which mediates the part of the immune system.
Therefore, the glycocalyx is the part of the cell that plays an essential role in the immune system while differentiating healthy versus unhealthy cells.
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To cuvier, the differences in fossils from different strata were evidence for __________.
Local catastrophic events, Cuvier was the first to show that. The differences in fossils from different strata were evidence for local catastrophic events such as droughts or floods.
What is strata?Strata, the plural of the Latin term stratum, is another name for rock layers, and stratigraphy is the study of strata. Stratigraphy is the study of the features of stratified rocks, including their relationship to time.
According to the fossil correlation concept, strata that include certain fossils are also the same age since like assemblages of fossils have the same age.
As a result, fossils are highly helpful in correlating, or matching up, rock strata in exposures that are spread apart widely.
Therefore, Local catastrophic event's evidence for differences in fossils from different strata.
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ASAP Please Help
The rate of photosynthesis can be measured as the volume of oxygen released by a
plant per minute. The number of bubbles of gas released per minute from waterweed is
counted.
a. The gas collected in this experiment is not pure oxygen. Suggest a reason for this.
Answer:
The gas will be released.
Explanation:
In this experiment the solution used is sodium bicarbonate to increase the CO2 content for photosynthesis process.
So the gas released will not be only pure oxygen but also CO2 which is provided by the sodium bicarbonate solution.
Binding of neurotransmitters to receptors opens or closes _______-gated ion channels, leading to a local potential (aka postsynaptic potential).
Binding of neurotransmitter to receptors open or closes ligand ion gated calcium channels leading to a local potential.
What do calcium channels do in neurons ?Calcium channels mediate numerous important physiological processes, and are abundant in many in many types of cells . In neurons, Voltage gated Ca+2 channels are expressed in plasma membrane compartment and they are involved in regulating cell excitability ,gene transcription and synaptic transmission.
Ligand gated channels are composed of 3-4 protein subunits that form a pore.
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Air passages such as your trachea (windpipe), which may contain air your body can't use, are known as?
The term "dead air spaces" refers to air passages like your trachea (windpipe) that may contain air your body can't use.
What does trachea mean?Your larynx, or voice box, and your lungs are connected by a long, U-shaped tube called your trachea. The windpipe is another name for the trachea. It is an essential component of your respiratory system. Air enters your lungs through your larynx when you breathe in.
What are the trachea's four purposes?Tracheal ActivityThe airway from the mouth or nose to the lungs should be made strong and secure.Prevent foreign things from entering the respiratory system.control the air entering the lungs' temperature and humidity levels.To know more about Trachea visit:
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The dermis contains blood vessels and nerve fibers while the epidermis does not.
a. true
b. false
It is true that the dermis contains blood vessels and nerve fibers while the epidermis does not.
Epidermis is the outermost payer of the skin. It has no supply of blood vessels hence it gets its nutrients and other requirements from the dermis layer. The function of epidermis is to protect the layers below it from the outer environment, harmful pathogens and also protect the moisture if the skin.
Dermis is the layer present beneath the epidermis and is very thick. This layer is considered to be the real skin. The reason for it is that dermis has all the necessary components of the skin like blood vessels, nerves, hair follicles, glands, etc.
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Hi can someone please help me with this!
Experiment refer to a manner in which we can be able to establish the relationship between a dependent and an independent variable.
What is an experiment?The term experiment refer to a manner in which we can be able to establish the relationship between a dependent and an independent variable. We have two different experiments and we shall treat them individually.
Experiment A
Independent variable - Remedy for the knee problem
Dependent variable - Degree of relief from the knee problem
Control group - Patients that received the placebo
Experiment B
Experimental variable -Effect on the deer
Independent variable - Whether or not tiger urine is used
Dependent variable -Repulsion of deer from tree seedlings
Control group - Tree seedlings not treated with tiger urine
Controlled variables - Type of seedlings, specie of deer and tiger
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Organic deposits are rarely found in areas of extreme wetness or extreme cold.
true/ false
The correct answer for this question is False
Microbial degradation is aggressively destroying important cultural and environmental records that have been stored in archaeological deposits for millennia across the Arctic. Because it is not practicable to examine the many sites in this distant corner of the planet, new approaches for detecting and assessing potential degradation are urgently needed.
Organic-rich sedimentary rock deposits are collectively referred to as fossil fuels because they are made up of undamaged organic tissue of plants and animals preserved in depositional environments with low levels of free oxygen. Fossil fuels are the primary energy sources in the industrial world, and their unequal distribution in time (exclusively Phanerozoic) and space (more than half of proven petroleum reserves are in the Persian Gulf region of the Middle East) has a significant impact on global political and economic stability.
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The most important cell in the acute inflammatory response is an actively phagocytic cell called the ____________.
The most important cell in the acute inflammatory response is an actively phagocytic cell called the polymorphonuclear leukocyte.
What is a polymorphonuclear leukocyte?A polymorphonuclear leukocyte is a specialized immune cell that acts to eliminate and/or remove pathogenic agents by triggering inflammatory immune responses in the human body.
In conclusion, the most important cell in the acute inflammatory response is an actively phagocytic cell called polymorphonuclear leukocytes, which are neutrophils.
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If an atom has 14 protons, 11 neutrons, and 17 electrons, what is the atom's electrical charge?
Answer:
It would be=
14 protons -
17 electrons=
-3 :D
When you subtract protons from electrons, you get the electrical charge.
Explanation:
If this is wrong please report/dislike!! much love <33 | have a nice day!!
The phosphotransferase system is classified as a form of active transport because:________
The phosphotransferase system is classified as a form of active transport Because ATP is hydrolyzed and changes the solute's structure as it enters the cell, the phosphotransferase system is categorized as an example of active transport.
What is ATP?
Adenosine 5′-triphosphate, generally known as ATP and typically written without the 5′-, is an essential "energy molecule" found in all living organisms. In particular, it is a coenzyme that transfers energy to cells by releasing its phosphate groups when it interacts with enzymes like ATP triphosphatase. The molecule is composed of an adenine bicyclic system, a furanose ring, and a triphosphate chain.
In 1929, two research teams claimed the discovery of ATP. At Harvard Medical School, Cyrus H. Fiske and Yellapragada Subbarow isolated it from mammalian muscle and liver (Boston).
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A(n) ______ nutrition state occurs when body tissues have enough essential nutrients from a variety of foods to support metabolic functions.
When bodily tissues have enough vital nutrients from a variety of diets to sustain metabolic processes, this is a desirable nutrition state.
What do we mean by nutrition?A balanced meal should be consumed for good nourishment. You can get the nutrition and energy you need from food and drink. Making better eating decisions may be made simpler for you if you understand these nutrition terminology. Find out more definitions for vitamins, minerals, general health, fitness, and general wellness.
Who was the father of nutrition?In 1770, the father of chemistry and nutrition, Antoine Lavoisier, discovered metabolism, the body's process of converting food and oxygen into heat and water to produce energy.
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ASAP..Will mark Brilliantest
Alex poured some pond water into three beakers. She then put waterweed into each beaker. She put the beakers in different places.
b. In the school pond there were lots of water lilies with large leaves covering the surface. There were not many plants growing below the surface. Suggest a reason for this.
Answer:
I can't see any picture
Explanation:
No because for real?
Cells can adapt to heat stress due to a hot environment by the production of heat shock proteins. the resulting improvement in the body's ability to withstand the stress is called _____.
Answer:
heat acclimation
Explanation:
______ are threadlike structures made up of strands of deoxyribonucleic acid (dna).
According to the research, the correct option is Chromosomes. Chromosomes are threadlike structures made up of strands of deoxyribonucleic acid (dna).
What are Chromosomes?They are filaments or condensed rings of deoxyribonucleic acid that store a large part of the genetic information and appear in a constant number in the cells of each plant or animal species.
In this sense, it is a condensed threadlike structure of DNA featuring the same genes located at the same sites (known as loci).
Therefore, we can conclude that according to the research, the correct option is Chromosomes. Chromosomes are threadlike structures made up of strands of deoxyribonucleic acid (dna).
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What is the difference between heredity and mutation
here is the answer
Explanation:
Once an acquired mutation is transmitted along throughout generations, it becomes hereditary.
Proteins called ________ surround/associate with dna to help organize it. these proteins can be modified to alter gene expression.
Proteins called histones to surround/associate with DNA to help organize it. these proteins can be modified to alter gene expression.
What is DNA?All known animals and many viruses contain genetic information in the form of a polymer called DNA, which is made up of two polynucleotide chains that wrap around each other to create a double helix. Nucleic acids include DNA and ribonucleic acid (RNA). Nucleic acids are one of the four major classes of macromolecules required by all known life forms, along with proteins, lipids, and complex carbohydrates (polysaccharides). Because both strands of DNA are made up of simpler monomer units called nucleotides, they are called polynucleotides. Each nucleotide consists of a phosphate group, a deoxyribose sugar, and one of four nitrogen-containing nucleobases (cytosine [C], guanine [G], adenine [A], or thymine [T]).To learn more about DNA, refer to the following link:
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Thinking of the two major cell types in the world? cells contain organelles, such as the golgi apparatus and mitochondria. however, these organelles are not found in cells.
Prokaryotic cells and eukaryotic cells are two different types of cells. Although prokaryotic and eukaryotic cells have different shapes (see prokaryote, eukaryote), they are quite similar in terms of their molecular make-up and functions. The chief molecules in cells are nucleic acids, proteins, and polysaccharides.
Organelles without membranes: Non-membrane-bound cell organelles include the cell wall, ribosomes, and cytoskeleton. They are found both in the bacterial cell and the eukaryotic cell". A cell's nucleus and organelles like mitochondria and vacuoles make up the cytoplasm. Organelles like the golgi apparatus, ribosome, and mitochondria are found in the majority of cells." There is a genuine nucleus. Cytoplasm is absent from the majority of cellular organelles, however it is present in prokaryotic cells. Eukaryotic cells have cytoplasm and organelles, both of which are present. There is a mitochondria present, which is a cell's powerhouse. A collection of flattened stacked pouches known as cisternae make up the Golgi apparatus, also known as the Golgi complex or Golgi body, an organelle that is membrane-bound and occurs in eukaryotic cells (cells with clearly defined nuclei).
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What four structures are located in the axial portion of the body? multiple select question.
Answer:
Following four structures are located in the axial portion of the body:
Within the center core of the human body, there are 80 bones that make up the central axis of the body. The head, laryngeal skeleton, vertebrae, and thoracic cage are all parts of the axial skeleton. Skeletal bones are separated into two categories. The bones that make up the bony structures along the whole body's long axis are all part of the axial skeleton. The remaining skeleton is made up of something like the appendicular skeleton's bones plus muscles, which are termed that since they are extensions of the axial skeletal system. All bones of the shoulder joint, upper limbs, pelvic bones, and lower limbs make form the appendicular skeleton.
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_____________________ is an individual's genetic heritage; his or her actual genetic material
Genotype is an individual's genetic heritage; his or her actual genetic material.
An organism's genotype is made up of all of its genetic material. The alleles or variations that an individual carries in a specific gene or genetic region are also referred to as the genotype. A blood genotype reveals the complete genetic composition of a person's blood. There are typically five (5) distinct blood genotype types. AA, AS, AC, SS, and SC are their names.
The cells' genetic makeup is deoxyribonucleic acid or DNA. It determines your traits and was given to you by your parents. Another significant turning point in molecular biology was the realization that DNA is the genetic material. Your eligibility for clinical trials, the medications to avoid due to inhibitor development, or your carrier status may all depend on your genotype or genetic mutation.
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The binding of a molecule to a cell-surface receptor may result in the activation of another molecule within the cell which, in turn, causes an alteration in cell function. What is this molecule within the cell called?.
Adjacent cells cling to one another with the aid of cell adhesion molecules, which are present on the cell surface. When a chemical binds to a cell-surface receptor, it may stimulate another molecule inside the cell to become active, which changes how the cell functions.
What function does a cell serve?From bacteria to humans, cells give all living things their structure and functionality. They are regarded as the tiniest form of life by scientists. The cell membrane, the nucleus, and the cytoplasm are the three components that make up a cell. Intricate arrangements of microscopic fibres and hundreds or even thousands of tiny, unique structures known as organelles can be found in the cytoplasm.
The biological machinery that creates the proteins, chemicals, and signals necessary for every process in our body is housed within cells.
The interior of the cell is divided into many organelles that are each surrounded by a distinct membrane. The genetic material required for cell growth and reproduction is stored in the nucleus, a primary organelle. Each cell has a single nucleus and cytoplasmic organelles that are membrane-bound.
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What is the unit of analysis that can be inferred from the following hypothesis? hypothesis: with the introduction of dna evidence, guilty pleas have increased over time.
Guilty plead is the unit of analysis that can be inferred from the following hypothesis.
How do you analyze DNA evidence?The overall method entails: the separation of DNA from a sample of evidence containing DNA of unknown origin; and, typically subsequently, the separation of DNA from a sample (such as blood) from a known individual; the processing of the DNA so that test results may be produced.
How has DNA analysis been used in criminal cases?The analysis of biological evidence from the crime scene and comparison with criminal profiles in DNA databases can be used to identify the perpetrator in situations when a suspect has not yet been named. DNA databases can be used to connect crime scene evidence to other crime scenes.
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Antibiotics that are given intravenously, overtop of a normal saline line, are known as:_____.
Answer:
Antibiotics that are given intravenously, overtop of a Normal Saline line, are known as Piggyback.
Explanation:
A volume of fluid or medicine is injected intravenously over a specified period of time at certain durations, after which the administration is terminated until the next dosage is needed. A piggyback drug, supplementary medication, or mini-bag medicines are all names for intermittent IV injections. Small doses of sterile IV fluid (25 to 250 ml) can be used to provide intravenous drugs over the course of a chosen period of time (for example, 30 minutes every four hours) or in a single dosage. Since this technique of administration lowers the danger of fast infusion, many drugs must be administered gradually to prevent damage to the patient.
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The surfaces of the inner, terrestrial planets of our solar system are composed of ________.
The surfaces of the inner, terrestrial planets of our solar system are composed of volcanoes, craters, canyons, and mountains.
The interstitial planets are made up of rocks, silicates, minerals, carbon or in case of earth water as well. Generally the planets have an inner core made up of iron which is further surrounded by a mantle.
Our earth is the only planet in the universe which is found to have water at its surface while the planet Mars also has polar ice caps which are permanent just like our earth. The inner terrestrial planets consist of mercury, Venus, earth, and Mars.
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A drop of blood is added into a solution and found that red blood cells will hemolyse. what solution it might be?
apply the concept based on the results observed in the lab experiment.
The solution might be hypotonic.
When a drop of blood is added in the hypotonic solution, it may hemolyse Or bursting of cell take place, this is because the solvent comes inside the cell due to lower concentration of solute and it becomes hemolysed.
There are three types of solutions.
Hypertonic condition of the solution occurs when the concentration of solute outside is higher than that inside the cell. Hypotonic condition of the solution occurs, when the concentration of solute outside is lower than that inside the cell. Isotonic condition of solution occurs when concentration of dissolved solute outside is equal to the concentration of solute inside the cell.To learn more about hypertonic and hypotonic solution, refer this link.
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Explain how diffusion provides a steady supply of oxygen and eliminates carbon dioxide for a cell undergoing cellular respiration.
Answer:
Gas exchange takes place in the millions of alveoli in the lungs and the capillaries that envelop them. As shown below, inhaled oxygen moves from the alveoli to the blood in the capillaries, and carbon dioxide moves from the blood in the capillaries to the air in the alveoli.
A woman suffers from ______ if endometrial tissue begins to grow within her abdominopelvic cavity. multiple choice question.
A woman suffers from Endometriosis if endometrial tissue begins to grow within her abdominopelvic cavity.
What is endometriosis?The endometrium, the tissue that normally coats the lining of your uterus, grows outside of it when you have endometriosis. This illness frequently causes pain. Endometriosis frequently affects the tissue lining your pelvis, fallopian tubes, and ovaries. With each menstrual cycle, endometrial-like tissue that has endometriosis acts like endometrial tissue would, thickening, deteriorating, and bleeding. However, because it can only go inside your body, this tissue becomes entrapped. Endometriomas, also known as endometrial cysts, can develop when endometriosis affects the ovaries. Endometriosis can occasionally cause severe pain, particularly during menstruation. Problems with fertility may also develop.Learn more about the endometriosis with the help of the given link:
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What was done to overcome the problem of the MSL landing?
1. A pulley system was created
2. A parachute was used
3. A tether and roper were used
4.More airbags were used
The spacecraft descended on a parachute, then during the final seconds before landing, the final landing system was a tether and rope!
2. A parachute was usedWhat is MSL?Mars Science Laboratory is a designation of a NASA space probe, launched on November 26, 2011, carrying inside a robot named Curiosity, a rover similar to the Spirit and Opportunity vehicles, used in the Mars Exploration Rover space mission for the planet exploration.
To solve the problem, engineers designed the kit to cut the parachute and use rockets for the final part of the landing sequence. About 60 feet (18 m) above the surface, the MSL's "sky crane" was deployed. The landing assembly hung the rover below the rockets using a 6 m rope.
With this information, we can conclude that A parachute was used to overcome the problem of the MSL landing
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Which example illustrates that individuals' lives are not entirely shaped by social structures?
To illustrates that individuals' lives are not entirely shaped by social structures. Oprah Winfrey was born into poverty but rose to become one of the wealthiest people in America.
What are social structures?The social structure. social structure is important from a sociological perspective because it influences how we behave. It can refer to a group's typical patterns, such as the relationships between men and women or students and teachers. Class Social. according to income, level of education, and standing in the field. Status.
Gender roles, the incest taboo, religious and healing rituals, mythology, marriage, language, art, dance, music, cooking, games, jokes, sports, birth and death because they involve ritual ceremonies as an accompaniment, etc. are examples of elements that may be considered cultural universals.
People learn how to function effectively in a society through a process known as socialisation.
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The american alligator is considered a keystone species in the everglades system because its presence leads to an increase in the:_______
The American alligator is a keystone species because its presence leads to an increase in the abundance/diversity of fish, the bioavailability of the aquatic environment, as well as in wading birds.
What is a keystone species?A keystone species is a given species in an ecosystem whose presence is fundamental to maintaining the biodiversity and features of such environment.
In conclusion, the American alligator is considered a keystone species in the everglades system because its presence leads to an increase in the abundance/diversity of fish, the bioavailability of the aquatic environment, as well as abundance/diversity in wading birds.
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Explain active transport.
Explanation:
Active transport is basically like a movement cell because it moves ions or molecules across the cell membrane and into a higher concentration area. It requires energy.
