Surfactant protein a promoter directs the expression of CRE recombinase in brain microvascular endothelial cells of transgenic mice Matrix Biol. Inflammation, tumor metastasis, and wound healing all rely on microvascular Endothelial cells.
Methods for studying these processes in vitro utilizing cells obtained from adult skin, the inner and outer segments of neonatal foreskin, and experimental animals are discussed. The endothelium is a thin membrane that lines the lining of blood protein arteries and the heart. Endothelial cells secrete chemicals that regulate vascular relaxation and contraction, as well as enzymes that regulate blood clotting, immunological function, and platelet adhesion (a whitish substance found in the blood).
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Many foods, for example, bacon and salt cod, are preserved with high concentrations of salt applied to the outside of the meat. how can high concentrations of salt inhibit the growth of bacteria?
High concentrations of salt can inhibit the growth of bacteria by causing the bacteria to shrink because water leaves the bacterial cell.
What is a Hypertonic solution?This is defined as a type of solution which has a large amount of particles which are dissolved thereby making it have a high concentration.
High concentrations of salt applied to the outside of the meat means it is hypertonic and therefore causes the bacteria to shrink because water molecule leaves the cells thereby destroying their structure preventing metabolic reactions from occurring which leads to their death.
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The movement of oxygen and carbon dioxide between the alveoli and circulating blood is called:________
The movement of oxygen and carbon dioxide between the alveoli and circulating blood is called: respiration
The process in the human body that consists in the movement of oxygen and carbon dioxide between the alveoli and circulating blood is called respiration this process takes place in the respiratory tract.
What is the respiratory tract?Is the set of organs and ducts that form the structure in which the process related to human respiration takes place. It is divided into lower and upper, the lower respiratory tract is formed by the trachea, the bronchi and their branches inside the lungs, the bronchioles, and the upper respiratory tract is formed from the nose, the mouth to the vocal cords, and includes the pharynx and the larynx.
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I need help and fast.
Who coined the term "artificial intelligence"?
A. Bill Gates
B. John McCarthy
C. Steve Jobs
D. Jeff Bezos
Which component of the membranous labyrinth is used to transmit auditory information?
The cochlea is the component of the membranous labyrinth used to transmit auditory information.
The cochlea is a hollow, spiral-shaped structure of the internal ear that plays a key role in hearing. The spiral structure of the cochlea enables it to detect various sound frequencies and helps in the transduction of the electrical impulse which is interpreted by the brain.
The sound vibrations are carried through a fluid known as endolymph. The hair cells in the organ of Corti, inside the cochlear duct, then transmit the mechanical vibrations into electrical impulses. The electrical nerve impulses are then carried by the vestibulocochlear nerve from the cochlea to the brain for interpretation.
Auditory vibrations are transmitted by the tympanic membrane and through the labyrinth, the fluid inside the cochlea. This fluid then activates the organ of the corti which then processes the vibrations to produce electrical impulses and then send them to the brain.
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A location on a chromosome that codes for biochemical variations in the phenotype is called:_________
A gene is a region on a chromosome that codes for phenotypic biochemical differences.
Gene, what do you mean?The fundamental structural and operational component of heredity is a gene. DNA is the component of genes. Some genes serve as blueprints for the synthesis of proteins. Many genes do not, however, code for proteins. A few hundreds DNA bases to more than 2 million bases make up a gene in a human.A gene example is what?You might acquire the characteristic for green eyes from your parents, for instance, if both of them have them. Alternatively, if your mother has freckles, you may also have them if you received the freckle gene from her. All animals and plants contain genes in addition to human beings.
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Animals are able to conductphotosynthesis:____.
A. not cellular respiration.
B. net o 2 consumers and co 2producers.
C. net o 2 and co 2producers.
D. net o 2 producers and co 2consumers.
E. net o 2 and co 2consumers.
Animals are :
B. net o 2 consumers and co 2producers.
All living organisms produce energy through cellular respiration, which is found in both plants and animals. Food is broken down and absorbed by the cells as glucose molecules when it is consumed and digested by an animal. They simultaneously take in oxygen, which enters the cells through the bloodstream, lungs, and other organs. The components and environment are ready for cellular respiration to begin once glucose and oxygen enter the cytoplasm of the cells.
The bodily processes that are powered by ATP include breathing, blood circulation, digestion, reaction to stimuli, muscle movement, and cell division, repair, and growth (matter). Energy is used in everything an animal does.
Animal Cellular Respiration (Human Example):
1) Digest a piece of pie and begin.
2) Pie is broken down into carbohydrate molecules during digestion.
3) Glucose molecules are created when carbohydrate molecules disintegrate.
4) In the mitochondria of the cells, glucose molecules are transformed into ATP along with oxygen from breathing (energy).
Cellular respiration is a multi-stage process that releases carbon dioxide and water while converting glucose and oxygen into ATP, the cellular form of energy. The equation:
C6H12O6 (1 glucose molecule) + 6 O2 ---> 6 CO2 + 6 H2O + 36 ATP (Energy)
carbohydrate + oxygen ---> carbon dioxide + water + ATP (Energy)
In animals, 1 molecule of glucose and 6 molecules of oxygen are converted into approximately 36 molecules of ATP, 6 molecules of water, and 6 molecules of carbon dioxide during cellular respiration.
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Meiosis is the process that produces sperm and eggs by reducing the gamete cell's number of chromosomes from _____to _____.
Select one:
a.
diploid to haploid
b.
haploid to polyploidy
c.
diploid to monoploidy
d.
haploid to diploid
it's not b
Answer: Your answer my boy is A.) diploid to haploid.
Explanation: I just did this assignment .It would be great if I could get Brainliest.
The skeletal muscle fibers that fatigue most easily are:_______
1. red muscle fibers.
2. slow oxidative (type i) fibers.
3. fast glycolytic (type iib) fibers.
The skeletal muscle fibers that fatigue most easily are fast glycolytic (type iib) fibers.
What is skeletal muscle fibers ?Flexible muscle fibers that range in diameter from less than half an inch to just over three inches make up skeletal muscles. Typically, these fibers run the entire length of the muscle. You may perform a wide variety of actions because to the muscles' ability to move bones when their fibers contract (tighten).
What are the characteristics of skeletal muscle fibers?Skeletal muscle is striated, similar to cardiac muscle; it has long, thin, multinucleated fibers that are crossed is covered by tiny red and white lines that give the muscle its distinctive appearance. Connective tissue holds skeletal muscle fibers together while allowing them to communicate with blood vessels and neurons.
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True or false: osteocytes and osteoclasts develop from the same type of stem cell.
Osteocytes and osteoclasts develop from the different type of stem cell. Thus, the give statement is False.
What is an Osteocytes?
Osteocyte, a cell that exists in the substance of full fledged bone. It possesses a little chamber called a lacuna, which is contained in the calcified framework of bone. Osteocytes get from osteoblasts, or bone-shaping cells, and are basically osteoblasts encircled by the items they emitted.
Cytoplasmic cycles of the osteocyte expand away from the phone toward different osteocytes in little channels called canaliculi. Through these canaliculi, supplements and side-effects are traded to keep up with the suitability of the osteocyte.
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Which cell participates in cell-mediated immunity and is antigen specific and directly cytotoxic for target cell?
Th1 cells and Cytotoxic T cells participates in cell-mediated immunity and is antigen specific and directly cytotoxic for target cell.
What is an antigen?An antigen (Ag) is a molecule, molecular structure, foreign particle, pollen grain, or any other foreign substance that can attach to a particular antibody or T-cell receptor. An immunological response may be triggered by antigens present in the body. A chemical that produces antibodies was formerly referred to as an antigen. Antigens can be proteins, peptides (amino acid chains), lipids, nucleic acids, polysaccharides (chains of monosaccharides/simple sugars), or polypeptides.
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What is an Hypothesis
What sentence represents a hypothesis?
Answer:
2
Explanation:
A hypothesis uses "IF" and "THEN"
A field technique for evaluating various plants growth ability in a standardized environment would be?
A field technique for evaluating various plants growth ability in a standardized environment would be evaluation of the root-to-shoot ratio.
Plant growth is the phenomenon that can be measured through various parameters. It can be done by observing the length of the plants and its leaves, by the calculation of biomass, wet weight, dry weight, etc. When the plants increase in volume and biomass, and form new cells and tissues, they are said to be growing,
Root-to-shoot ratio is the measure of the functional amount of root tissues and the functional amount of the shoot tissues. For a plant to be considered as growing, it must have high amount of root ratio than the shoot. This is because then the plant can extract more water and nutrients from the soil and therefore grow properly.
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Biomedical research has led to the development of technology that can keep ill or incapacitated. patients
alive. How does this technology affect the decision on when they should be used on patients?
how can inheriting new characteristics be helpful for an organism?
Answer:
It will essentially help the organism for when it evolves whether it inherits good or bad characteristics.
Explanation:
Because it will have to evolve, it will either die out or thrive through those new characteristics. Which is a part of life.
The principle that describes the technique of having body parts and appendages dragged behind the rest of the body and continue to move when the body stops, like a cape, is called:__________
The principle that describes the technique of having body parts and appendages dragged behind the rest of the body and continue to move when the body stops, like a cape, is called Follow Through and Overlapping Action.
Difference between follow through and overlapping actionThe concept of "Follow Through" states that an item or its loosely coupled elements will keep moving even after the character has stopped. Similar to overlapping action, which describes how various sections of an object or body typically move at various rates.
What is the overlap principle?The concept of overlapping action states that various bodily components will move at various velocities. As a result, when you walk, your arms will move more slowly than your head. Animation may have believable motion by using both overlapping action and follow-through.
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a group of similar cells that perform a specific function
Characteristics such as race, religion, national origin, or sex, which are protected by government assurances of civil rights, are called:_______
Characteristics such as race, religion, national origin, or sex, which are protected by government assurances of civil rights, are called inherent characteristics.
inherent characteristics are something that a person have acquired from inherently since his or her birth. It can be race, religion, national origin, sex, etc.
Civil rights are the personal rights that are guaranteed by the government of america to its citizens. It is protected by US constitution as well as by the various laws enacted by the congress like Americans with disabilities act of 1990, civil rights act of 1964.
Civil rights movement occurred in 1950-60s led by Martin luther, Malcolm X, Little rocky, etc.
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Aspirin, like many pharmaceutical drugs, can access the cell because it is a weak acid. this occurs because:_________
Aspirin can access the cell because it can cross the membrane, as a weak acid, in its unchanged form.
Aspirin is a non-steroidal anti-inflammatory drug, commonly referred to as NSAID. Aspirin is a common drug (or a weak acid) that is used to treat minor ailments like headaches, mild fever, body aches, etc. It is also used as an anti-inflammatory drug and also to reduce the risk of blood clots after heart attacks. It can be purchased from a medical store without the prescription of a doctor.
Aspirin is not recommended for children below 18 years of age. If a child takes it with the flu or cold, it may have adverse effects. It can cause Reye's syndrome in children which can cause permanent brain injury.
Minor symptoms in the human body are caused by prostaglandins. Prostaglandins are substances produced by certain proteins, called cyclooxygenases. Aspirin inhibits this protein and thus prevents symptoms like pain, inflammation, headache, cardiovascular events, etc.
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Proteins and carbohydrates are built up from their basic building blocks by a process known as:_________
Proteins and carbohydrates are built up from their basic building blocks by a process known as Dehydration synthesis reactions.
The crucial procedure known as Dehydration Synthesis Reactions brings together the constituent parts of carbohydrates, proteins, lipids, and nucleic acids. With the removal of water, these processes combine two or more monomers to create a sizable component of a macromolecule.
Dehydration synthesis reactions include the combining or synthesis of the same or distinct monomer units while removing the water molecules from the reaction. It is a specific type of condensation reaction in which two additional molecules cause the elimination of two water molecules.
During dehydration synthesis, a water molecule is either released when the hydrogen of one monomer reacts with the hydroxyl group of another monomer or when two hydrogens from one monomer join with one oxygen from the other monomer.
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The resolving power of the earliest electron microscopes was at least ten times higher than that of the light microscopes, mainly because?
The resolving power of the earliest electron microscopes was at least ten times higher than that of the light microscopes, mainly because the wavelength of electrons is much shorter than the wavelength of light.
The electron microscope uses a beam of accelerated electrons to magnify the object whereas the light microscope uses visible light for this purpose. Unlike the light microscope, the electron microscope uses electromagnets as lenses.
The magnification of the electron microscope is much higher as compared to the light microscope and it produces high-resolution images. However, the Specimen preparation of an electron microscope takes several days while the Specimen preparation of the light microscope takes only a few minutes.
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Using nitrogen-fixing sobean crops to add nitrogen to degraded soils is an example of?
Biological augmentation
Using nitrogen-fixing soybean crops to add nitrogen to degraded soils is an example of Biological augmentation.
What is biological augmentation?The process of accelerating the breakdown of a pollutant through the addition of archaea or bacterial cultures is known as biological augmentation. It's possible that organisms from contaminated locations can already break down garbage, but possibly slowly and inefficiently.What is an example of biological enhancement?Systems that use biofiltration are frequently employed to remove toxins from soil or groundwater. Treatment ponds, slow sand filters, and bioswales are a few types of biofilters.What purpose does biological enhancement serve?The best part of this addition is that it is natural and enhances the quality, clarity, and reduction of organic sediments (muck) that build up over time on the bottom of a body of water. Clean-Flo is a pioneer in the stimulation of native microorganisms in addition to the addition of microbes.
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The parent cell that enters meiosis is diploid, whereas the four daughter cells that result are haploid. True or false?.
True
The parent cell that enters meiosis is diploid, whereas the four daughter cells that result are haploid.
In both meiosis I and meiosis II, the DNA content is cut in half. In meiosis I, the ploidy level transforms from diploid to haploid, and it stays haploid in meiosis II.Which of these is a meiotic function?Gametes, or sex cells, are created during meiosis. There are four haploid daughter cells formed during meiosis (containing half as many chromosomes as the parent cell).Which four primary stages of meiosis are there?Since meiosis involves two rounds of cell division, a beginning cell can generate four gametes (eggs or sperm). Cells move through prophase, metaphase, anaphase, and telophase with each round of division.To learn more about meiosis visit:
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why do the hottest days and coldest days of summer and winter occur about one month after the longest day or night?
The hottest days and coldest days of summer and winter occur about one month after the longest day or night because the land and oceans have to warm up, too, before the truly hot summer heat can begin.
What is Summer?This is a type of season which is characterized by the sun being very hot at that time of the year. There is usually very little precipitation and the temperature is usually high during this period.
Winter on the other hand, is the coldest time of the season and is characterized by low sunlight and a very low temperature.
However, the hottest days and coldest days of summer and winter occur about one month after the longest day or night because of the time taken to warm up the land and oceans before the season starts before the summer heat begins to be felt.
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Which technique of studying the brain involves injecting the patient with radioactive glucose?
PositivePositive emission tomography (PET) scan technique of studying the brain involves injecting the patient with radioactive glucose.
What is a PET technique?Positron emission tomography (PET) is a type of nuclear medicine procedure that measures metabolic activity of the cells of body tissues. PET is actually a combination of nuclear medicine and biochemical analysis.
A PET technique can be used to find the malignant tumor cells or diagnose condition like epilepsy.
A small amount of radioactive glucose is injected into the veins.
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Metabolic rate of alcohol is unaffected by exercise. group of answer choices true false
Metabolic rate of alcohol is unaffected by exercise TRUE.
The basal metabolic rate (BMR) calculates the bare minimum of calories required for a person to maintain their essential bodily functions over the course of a 24-hour period of rest. Such processes include breathing as an example. circulation. digestion as well as nutrient absorption
The three elements that make up the metabolic rate are the baseline metabolic rate, the energy expended during physical activity, as well as the thermic effect with food.
Alcohol reduced shivering metabolic rate by an overall mean of 13%, insufficient to affect cooling rate.
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The enzyme that catalyzes the addition of a phosphate to adenosine diphosphate is?
Answer: phosphotransferase or kinases
Explanation:
The enzyme that catalyzes the addition of a phosphate to adenosine diphosphate is Pyruvate kinase.
What is Pyruvate kinase?Pyruvate kinase is an enzyme that is involved in the final step of glycolysis.
It catalyzes the transfer of a phosphate group from phosphoenolpyruvate (PEP) to adenosine diphosphate (ADP), resulting in one pyruvate molecule and one ATP molecule.
The ATP synthase is a mitochondrial enzyme that catalyzes the synthesis of ATP from ADP and phosphate.
This is driven by a flux of protons across a gradient generated by electron transfer from the proton's chemically positive to negative side.
Catalysis is a term that describes a process in which the presence of a substance (the catalyst) that is not consumed during the reaction influences the rate and/or outcome of the reaction.
Thus, pyruvate kinase is the enzyme responsible for the given reaction.
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The process of engulfing particles (such as bacteria) by surrounding the particle and drawing it into the cell is referred to as?
The process of engulfing particles (such as bacteria) by surrounding the particle and drawing it into the cell is referred to as phagocytosis.
In the field of immunology, phagocytosis can be described as a process of endocytosis where foreign particles, such as bacteria, are engulfed. Phagocytosis is a part of the immune response that is generated by the body.
In order for a cell to engulf a particle, the cell membrane surrounds the foreign particles, various enzymes are then secreted onto the particle, and then it is engulfed. The process of phagocytosis helps in removing infectious agents and dead cells from the body.
Cells such as neutrophils and macrophages are referred to as professional phagocytes as they actively carry out the process of phagocytosis.
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2. During an activity, a teacher labeled the following scenario as hypertonic. Is she correct? Why or why no
%H₂0
15%
solute
80% H₂O
% solute
It is a hypotonic solution because the solute concentration is more than the soluion.
hypotonic solution is the solution that has a lower solute concentration than the cell so water moves into the cell causing plant cells to swell and animal cells to swell and burst whereas hypertonic solution is the solution that has a higher solute concentration than the cell so water moves out of the cell and into the solution causing the cell to plasmolyze.During hypotonic solution, the plant cell fills up and become more rigid causes (turgor pressure) on the other hand animal cell The cell would burst (hemolysis).To know more about hypotonic solution visit :
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Under what circumstances might the plates of the earth stop moving?
For the earths core to cool enough for convection to stop, then the plates would have no convection current to move them.
What do you mean by convection?Convection is single or multiphase fluid flow that occurs spontaneously due to the combined effects of material property heterogeneity and body forces on a fluid, most commonly density and gravity.
Convection occurs on a large scale in atmospheres, oceans, planetary mantles, and it provides the mechanism of heat transfer for a large fraction of the outermost interiors of our sun and all stars.
Fluid movement during convection may be invisibly slow, or it may be obvious and rapid, as in a hurricane.
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