Answer:
stratified squamous epithelium
Explanation:
Functions include protection against microorganisms and protection against water loss
What changes in jim's muscles promote unloading of o2 from hemoglobin for use by the muscle cells?
The correct answer for this question is,
The affinity of hemoglobin for oxygen decreases due to increased acidity (lower pH) and increased temperature.
The pH in working muscle decreases due the increases production of both CO2 and lactic acid.
Because the muscles require oxygen to produce ATP, the oxygen is released from hemoglobin and utilized by the muscles to carry out aerobic reactions within their cells. His body could thereby maintain equilibrium. The O2 from hemoglobin is what causes the burning sensation in muscles and cells when these cells are used excessively. He rowed the boat hard to its top speed, burning up his hemoglobin. In order for the body to maintain homeostasis, this leads the muscles to utilize his oxygen within the cells.
The O2 from hemoglobin is what causes Jim's muscles and cells to feel like they are burning when these cells are being used excessively. He rowed the boat hard to its top speed, burning up his hemoglobin. In order for the body to maintain homeostasis, this leads the muscles to use their oxygen within the cells.
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Which ig antibody is found abundantly is secretions but has very low circulating levels?
Answer:
IgA is an antibody that is present in great amounts in secretions but in extremely low amounts in plasma. A significant circulating antibody called IgG. IgE is often not found in secretions and its concentration in plasma varies. IgD is not produced and is present at low amounts in plasma.
After IgG, immunoglobulin A (IgA) is the second most prevalent antibody. Blood, lymphatic, as well as other bodily fluids including spit, tears, and even milk all include IgA. Additionally, the vaginal, pulmonary, and intestinal linings all contain it. To allow the newly produced IgA molecule to be released through epithelial cells lining numerous ducts and organs, 2 IgA molecules are bonded together and linked to a unique protein. Whereas IgG represents the most prevalent form of immunoglobulin, the human body produces more IgA compared to any other antibody upon a regular basis. IgA, though, is less stable than IgG, and as a result, it is always present in smaller proportions.
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The view that human development is multi-directional, multi-contextual, multi-cultural, multidisciplinary, and plastic is known as?
Baltes' lifespan perspective that development is lifelong, multidimensional, multidirectional, plastic, contextual, and multidisciplinary.
Many disciplines are capable of make a contribution critical ideas that combine knowledge, which can also additionally in the end bring about the formation of a brand new and enriched expertise of improvement throughout the lifespan.
Baltes is regarding the truth that a complicated interaction of things impact improvement throughout the lifespan, such as biological, cognitive, and socioemotional changes. Baltes argues that a dynamic interplay of those elements is what affects an individual’s improvement.
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The molecular mass of propanoic acid is 74.1 amu . calculate the molecular mass of methyl ethanoate, an isomer of propanoic acid. express your answer with the appropriate units.
The structures of propanoic acid and methyl ethanoate are as follow below:
Formula Weight:74.07854
Formula Weight: methyl ethanoate
Molecular Formula: C3H2O2
They have same molecular formula C3H602; thus they are isomers and isomers have same molar mass also. Hence the molar mass of methyl ethanoate is 74.1 amu.
Are methyl ethanoate and propanoic acid isomers?An atom or group of atoms that gives the chemical its distinctive features is known as a functional group. For instance, the hydroxyl group is the functional group in ethanol (-OH). In contrast to its parent hydrocarbon, ethane, which is a gas and insoluble in water, ethanol is a liquid and soluble in water because of its functional group.
Compounds with distinct functional groups but the same chemical formula are known as functional group isomers. Methyl ethanoate and propanoic acid are functional group isomers.
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In a given homologous chromosome pair, how many recombinant chromatids are generated by a single crossover event?
In a given homologous chromosome pair, two recombinant chromatids are generated by a single crossover event.
Homologous chromosomes are the chromosomes that possess the same genes at the same loci and also have the same structure. One chromosome of the homologous pair is paternal while the other is maternal. Crossing over even takes lace between homologous chromosomes only.
Crossing over is the event that involves the interchange of genetic material between homologous chromosomes. Due to this event, the offspring receives genes from both the parents. The exchange of genetic material occurs between two non-sister chromatids in crossover, hence two recombinants are obtained.
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The invaginations of the mitochondria, which increase the surface area of the inner membrane, are called.
Answer:
Crista/Cristae
Explanation:
The name is from Latin.It gives the inner membrane it's wrinkled shape which provides huge space for chemical reactions to occur on.
Which molecule is translated into an amino acid sequence?
a. ribosomal rna
b. messenger rna
c. transfer rna
d. primer rna
e. ribozymes
b. messenger RNA molecule is translated into an amino acid sequence.
The central dogma is a process through which information from DNA is converted into proteins via messenger RNA. Central dogma comprises the process of transcription and translation.
Through the process of transcription, information from the DNA is transferred into the messenger RNA.
Through the process of translation, information from the mRNA is translated to form an amino acid sequence for proteins.
Each mRNA transcript acts as a codon. This codon is complementary to amino acid sequences required for the formation of proteins. Hence, the correct option is messenger RNA.
The process of translation occurs in the ribosomes where the tRNA brings the amino acids which will form the complementary anti-codons.
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A hypothesis may be considered what?
Answer:
a tentative, testable explanation
Explanation:
Answer:
A hypothesis is a testable assumption/prediction that you make based on some basic evidence. It is the starting point for further investigation.
Explanation:
:D
What is one way that insects can indicate that an animal was killed by a hunter as opposed to disease or illness?.
Answer: it sticks to it
Explanation:
Hypothesis: if iodine is placed on sourdough bread then it will have an instant color change from ____________ to____________ indicating that ___________ is the major organic molecule in bread.
Iodine can instantly change the color of sourdough bread from white to blue-black, suggesting that starch is the main organic molecule in bread.
To check for starch in food, an iodine solution is employed. A bright orange-brown hue can be seen in a solution of potassium iodide (KI) and iodine (I2) in water. if starch-containing samples, such as bread, are included in the sample.
The bread's colour transforms into a rich blue.The starch and the iodine do exchange some electrical charges.The spacings between energy levels are altered as a result, changing the electron configurations. The complex gets its vivid blue colour from the additional spacings, which preferentially absorb visible light.Iodine is frequently used as an indication to check for starch. When starch reacts with the light orange-brown iodine solution, the colour changes to blue-black. This implies that the food item contains carbs.Learn more about Starch here:
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Why do plants have both chloroplasts and mitochondria but animals only have mitochondria?
The answer to the question is-
A plant requires sunshine, carbon dioxide (CO2), and water for photosynthesis to occur. The mitochondria then break down the sugar once it has been produced through photosynthesis to produce energy for the cell. Animals only need mitochondria, not chloroplasts, because they obtain their sugar from the food they eat.
What is mitochondria?Most eukaryotic organisms contain a mitochondrion, a double-membrane-bound organelle. Adenosine triphosphate (ATP), which is used as a source of chemical energy throughout the cell, is primarily produced by mitochondria using aerobic respiration.
In some multicellular organisms, certain cells lack mitochondria. Numerous unicellular organisms, including microsporidia, parabasalids, and diplomonads, have diminished or changed the structure of their mitochondria.
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Gemstones are commonly found in pegmatites, which are igneous rocks that are _____. group of answer choices
Gemstones are commonly found in pegmatites, which are igneous rocks that are exceptionally coarse grained.
Pegmatite are the igneous rocks which are crystalline in nature and are exceptionally coarse grained. It is composed of 33.6 percent albite, 30.4 percent quartz, 21 percent perthite and 14 percent muscovite.
They contain exceptionally large crystals and are also called as architectural stones.
Gemstones are pieces of mineral crystals which is cut and polished to form jewelry and other ornamental items.
Gemstones are commonly found in pegmatites like topaz, tourmaline, kunzite, blue aquamarine, pink morganite.
Pegmatite are mined for both gemstones and rare earth minerals.
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The nucleus, mitochondria, endoplasmic reticulum, and golgi complex are examples of what type of organelles?.
The nucleus, mitochondria, endoplasmic reticulum, and golgi complex are examples of membraneous organelles.
This means that they are organelles which are found in the in any eukaryotic cell. Other organelles found in eukaryotic cells include ribosomes, centrosome, centrioles, chloroplast, lysosomes and others
Cytoplasmic organellesThe protoplasm of all living organisms are made up of both nucleus and cytoplasm. All the organelles which are embedded in nucleus of bitg plants and animal cells are known as cytoplasmic organelles.
Organelles found in the cytoplasm include the following:
Mitochondria: This is referred to as the power house of a cell. Ribosomes: It is the site of protein synthesis Golgi complex or golgi apparatus or golgi bodyEndoplasmic reticulumLysosomes and othersSo therefore, the nucleus, mitochondria, endoplasmic reticulum, and golgi complex are examples of membraneous organelles
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The process by which an endospore rehydrates and begins cellular metabolism is termed _____.
The process by which an endospore rehydrates and begins cellular metabolism is termed germination.
Endospore is the dormant form of asexual reproductive structure. It has a tough outer layer that is resistant to various unfavorable conditions, harmful chemicals, therefore protecting the inner contents. The endospore's tough layer breaks off only when the favorable conditions arrive.
Germination is the process where the dormancy of a seed or a spore breaks off and the enzymes present inside get activated. The outer protective payer of the endospore breaks off. After that the spore regains all its functionalities and the cell division begins.
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What is one reason the presence of iridium leads scientists to hypothesize that a meteorite impact caused the mass extinction of dinosaurs?.
Iridium content in asteroids and comparable extraterrestrial entities is higher than that of the Earth's crust.
One reason the presence of iridium leads scientists to hypothesize that a meteorite impact caused the mass extinction of dinosaurs and Iridium content in asteroids and comparable extraterrestrial entities is higher than that of the Earth's crust.
Asteroids and other such extraterrestrial bodies have higher iridium contents than the Earth's crust, therefore the Alvarez team reasoned that the iridium layer must be made of the dust from the vaporized meteor. This led them to believe that an asteroid impact caused the extinction.What is one explanation for iridium's presence?The Earth's crust contains an extremely small layer of iridium. This is supposed to have been brought on by a big meteor or asteroid striking the planet. Iridium concentrations are higher in meteors and asteroids than in the crust of the Earth. The iridium would have been dispersed over the earth by the impact's massive dust cloud.To learn more about extinction of dinosaurs visit:
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Selective precipitation of a protein from a crude extract is most effective by which molecule?
Selective precipitation of a protein from a crude extract is most effective by ammonia sulfate.
Selective precipitation :A method of separating ions in an aqueous solution known as selective precipitation involves using a reagent that precipitates one or more of the ions while leaving the rest in solution. Metallic element qualitative analysis.
What is selective precipitation used for?Protein selective precipitation can be used to recover the majority of the proteins from a crude lysate in bulk form, to separate a group of proteins from a protein solution selectively, or to recover a particular protein of interest from a purification step extremely precisely.
What is precipitation method of separation?Precipitation is a method for separating a mixture according to how easily its constituent parts can be dissolved. A compound's solubility is influenced by the temperature, pH, and ionic strength of the solution. A chemical may become an insoluble solid and leave solution if certain parameters are changed.
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Genes inherited from biological parents, height and weight gains, advances in motor skills, and hormonal changes of puberty reflect ______ processes.
Genes inherited from biological parents, height and weight gains, advances in motor skills, and hormonal changes of puberty reflect biological processes.
These are changes in an individual's thinking, intelligence, and language.Biological methods produce adjustments in an individual's bodily nature. and weight gains, adjustments in motor skills, the hormonal adjustments of puberty, and cardiovascular decline are all examples of organic methods that have an effect on development.
Genes inherited from parents, weight gain, cardiovascular decline, hormonal modifications of puberty, and mind development.
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The restriction endonuclease ecori cleaves the dna sequence 5'-gaattc-3' in such a way as to leave a 5' overhang, which is often referred to as a "sticky end". to what does this sticky end adhere?
The restriction endonuclease EcoRI cleaves the DNA sequence 5'-GAATTC-3' in such a way as to leave a 5' overhang, which is often referred to as a "sticky end". To 5' overhang with the complementary sequence this sticky end adhere.
The palindrome EcoRI restriction site breaks DNA after G and creates sticky ends with AATT. G/corresponding AATTC's DNA sequence is CTTAA/G, where "/" designates the location of the peptide bond break.When the ssDNA sequence 5'-GAATTC'-3 is recognised by the restriction endonuclease EcoRI, a single-strand cut is made between the G and A nucleotides.At the ultimate end of double-stranded DNA, an overhang is single-stranded DNA. This can occur on either strand, and if it does, there will either be a 5' overhang on the 5' end of the strand or a 3' overhang on the 3' end of the strand.To learn more about DNA.
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The main energy source for the oxygen system during exercise of 2 hours of length would be?
Adenosine Triphosphate main energy source for the oxygen system during exercise of 2 hours of length would be. Adenosine triphosphate (ATP) is the cellular energy source. ATP is a nucleoside triphosphate composed of a nitrogenous base, a ribose sugar, and three serially linked phosphate groups. ATP is an energy-carrying chemical found in all living creatures' cells.
When food molecules are broken down, ATP Adenosine creates chemical energy and uses it to fuel other cellular processes. In the mitochondria of a cell, the process of cellular respiration also results in the production of ATP. Anaerobic respiration, which doesn't require oxygen, or aerobic respiration, which does, are both options for doing this.
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The organelle within the cytoplasm that is involved in the oxidative conversion of foodstuffs into usable cellular energy is the _____.
The cell organelle in the cytoplasm involved in the oxidative conversion of foodstuffs into cellular energy is the mitochondria.
Mitochondria are sausage-shaped, double- membrane bound cell organelles in the cytoplasm of eukaryotic organisms responsible for producing energy for the cell in the form of Adenosine Triphosphate (ATP). They are also called the powerhouse of the cell.
The mitochondrion is filled with many folds that form a layered structure called the cristae. This is to increase surface area to aid in the production of more ATP molecules.
Mitochondria produce energy through a process called oxidative phosphorylation.
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The anatomy in the female genital system subsection starts with the vulva and progresses upward to the:_________
a. perineum
b. ovary
c. uterus
d. fallopian tube
The anatomy in the female reproductive system subsection starts with the vulva and progresses upward to the: perineum.
What is the Female reproductive system?The female reproductive system is made up of the bodily parts used for sex, both inside and outside, that are important for birthing.In order to produce gametes and bring a pregnancy to term, the female reproductive system in humans reaches maturity throughout puberty.The uterus, vagina, Fallopian tubes, and ovaries are the internal sex organs of a female who is born with an underdeveloped reproductive system.It is possible to give birth and engage in sexual activity thanks to the cervix, which joins the vagina and the uterus.In the uterus, which is also called the womb, the embryo develops into the foetus.Furthermore, the uterus secretes chemicals that help sperm travel to the Fallopian tubes, where they fertilise ova (egg cells) made by the ovaries.To learn more about female reproductive system, refer to the following link:
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The best description of the bonds that form polypeptides and the difference between polypeptides and proteins is.
Answer:
Explanation:
A peptide is two or more amino acids joined together by peptide bonds, and a polypeptide is a chain of many amino acids. A protein contains one or more polypeptides. Therefore, proteins are long chains of amino acids held together by peptide bonds.
hope this helps :)
Polypeptides are collections of amino acid chains linked by what are known as peptide bonds. The carboxyl group of one amino acid and the amino group of another amino acid condense, forming these peptide bonds and releasing a water molecule in the process.
The size and complexity of polypeptides and proteins primarily differentiate them from each other. Polypeptides are amino acid chains that are usually less than 50 amino acids long. On the other hand, proteins are larger and more complex molecules made up of one or more polypeptide chains folded into certain three-dimensional (three-dimensional) structures known as tertiary and quaternary structures of proteins .
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Natural fibers, such as wool or cotton, will give a better protection when welding than synthetic fibers like polyester. True or false?.
Natural fibres will not give better protection during welding than synthetic fibres. So the statement is false.
What are synthetic fibres?Only the polymers contained in natural gas and petroleum byproducts are used to make synthetic fibres. Synthetic fibres are man-made fibres, and the majority of them are manufactured from petrochemicals, a byproduct of the processing of petroleum.
Fibers are the basis for all textiles, and they come from artificial or man-made sources. They have formed up either a tiny unit or a polymer that is constructed from several repeating monomeric building blocks. They consist of polypropylene, nylon, acrylics, and polyurethane. These fibres are manufactured in massive quantities annually all around the world.
Therefore, the statement is false.
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T who is at 41 weeks gestation is concerned when the primary care provider decides to induce labor. which reason does the nurse explain as the most important need for this procedure?
Risk for placental dysfunction.
The reason the nurse should explain as the most important need for this procedure is Risk for placental dysfunction.
The main goal of inducing labor in post-mature fetuses is to reduce problems caused by placental malfunction. The placental function declines with post-maturity, altering food and oxygen transport and raising the risk of hypoxia and hypoglycemia during the start of labor. The main justification for labor induction is this.What is placental dysfunction?A pregnancy problem known as placental dysfunction occurs when the placenta, which is responsible for supplying nutrients and oxygen to the baby' bloodstream, is unable to adequately nourish the growing fetus.Why does the placenta malfunction?If you smoke or use some types of illegal substances while you are pregnant, placental insufficiency may result. Your risk is further increased by medical disorders like diabetes, preeclampsia, and blood clotting issues.To learn more about inducing labor visit:
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When two species compete, the niche that each species ultimately occupies is its?
When two species compete, the niche that each species ultimately occupies is its realized niche.
Niche is the functional area of a species. This is the region where an organism actually lives, interacts with its biotic and abiotic factors and most importantly reproduces. Niche is a smaller part of the large habitat. Niche is of two types: Fundamental niche and realized niche.
Realized niche is the niche which an organism lives in due to restrictions. This restriction is usually in terms of competition with another species. Realized niche is the real-world phenomenon. Realized niche can be smaller than or equal to fundamental niche, but it can never be larger.
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To help understand immunostimulant drug therapy, the client has come to the clinic for a class on thrombopoiesis. the nurse explains that the term means the formation of which types of blood cells?
Answer:
Глупый америкос , глупые вопросы задаёт , а мы русские все сами решить можем!
Explanation: Тупой америкос
A common technique that encourages partners to rebuild their sexual repertoire through a gradual progression from non-sexual touching to sexual contact is:____
A common technique that encourages partners to rebuild their sexual repertoire through a gradual progression from non-sexual touching to sexual contact is sensate focus. Sexual repertoire refers to the activities (both unpartnered and partnered) about which adolescents learn, gain experience, and make decisions.
A doctor can only detect if you're common sexually active if you're scheduled for a pelvic or rectal exam and have recently had a partner ejaculate inside of you during . Because sperm can live inside the body for up to 5 days, your doctor may notice it during your exam. with coitus as the sine qua non of sexual activity.
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If the diploid body cells in a giraffe contain 30 chromosomes each, how many chromosomes would a giraffe sperm cell contain?
If the diploid body cells in a giraffe contain 30 chromosomes each, then 15 chromosomes would a giraffe sperm cell contain.
Sperm Cell/Gametes contains the "n" number of chromosome which equals to the half of the diploid cell/somatic cells.
[tex]n=\frac{number of chromosome}{2}[/tex]
Chromosome- A component that can be found in a cell's nucleus. Proteins and DNA are arranged into genes on a chromosome.
Gametes- A gamete is an animal or plant reproductive cell. Animals' male and female gametes are referred to as sperm and ova, respectively. Each ova and sperm cell has one copy of each chromosome, making them haploid cells. A sperm and an ovum combine during fertilization to create a fresh diploid creature.
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Suppose that an equal amount of each polysaccharide was placed in a landfill. which polysaccharide should last the longest before it is decomposed?
Cellulose polysaccharide should last the longest before it is decomposed.
Cellulose polysaccharide- A molecule called cellulose is made up of hundreds, and occasionally even thousands, of carbon, hydrogen, and oxygen atoms. The primary component of plant cell walls, cellulose, keeps plants rigid and erect. Although cellulose cannot be digested by humans, it is essential for the diet as fiber.
Fiber- Fruits, vegetables, legumes, and whole grains all include fiber, which the body cannot process. Cancer prevention may be aided by dietary fiber. Fiber, such as muscle fiber or nerve fiber, is a term used to describe tissue that is formed of long, threadlike cells in the body.
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Amphipathic phospholipids arrange themselves into a(n) ______ to form the plasma membrane multiple choice question.
Amphipathic phospholipids arrange themselves into a bilayer to form the plasma membrane
Amphipathic refers to holding property of both water affinity and it's phobia. Thus, amphipathic compound will have structure suitable for both. Same is the condition with lipids. Lipids have hydrophobic tail that are made up of fatty acids. They also have hydrophilic head which is phosphate group. It is polar in nature and hence easily interacts with water.
The two layers of lipid come together to form plasma membrane. Here, the hydrophilic head remains outside while the hydrophilic tails remain inside the bilayer. Both phosphate and fatty acids are attached to glycerol. Other carbohydrates may attach to lipids forming glycolipids, which play different significant roles in functioning of cell.
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