Boston is colder than Miami.
Therefore, more water is lost in the form of sweat in summer than in winter. In the summer, your body becomes dehydrated, releasing more ADH in your body.
ADH Syndrome of antidiuretic hormone or vasopressin is synthesized by the hypothalamus and released from the posterior pituitary gland to maintain blood osmolality. It increases the reabsorption of water from the kidney nephrons.
Therefore, in a cold environment like Boston, ADH will be low and will increase significantly in Miami.
Several chemicals change ADH levels.
Drugs that raise ADH levels include vasotrict and vasopressin.
Drugs that lower ADH includes alcohol.
Therefore, some chemicals can affect ADH levels in the blood.
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Which organism was the most useful in coming to this conclusion (which is the best index fossil)?
Answer:
ambonychia
Explanation:
there's the answer hope it helped
A species of plants that adapts to become more tolerant of toxic heavy metals produced as a result of human mining activities is an example of _______. a. stabilizing selection b. disruptive selection c. directional selection d. mutation
A species of plants that adapts to become more tolerant of toxic heavy metals produced as a result of human mining activities is an example of C. directional selection.
When those with qualities that are on one side of the population's mean survive longer or reproduce more than those on the other, this is known as directional selection. It has been repeatedly shown in wild populations using both experimental and observational methods. The "heavy lifting" of evolution is done by directional selection, which tends to move the trait mean in the direction of the environmental optimum. Increased adaptability of organisms is the result. It is the fundamental mechanism that Charles Darwin himself thought would drive adaptive evolution. Two of Darwin's own examples were that faster wolves were better at hunting deer and that larger nectar-producing flowers were better at drawing pollinating insects. Both of these suggest directional selection as opposed to other types (or "modes") of selection.learn more about directional selection here: https://brainly.com/question/9761638
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Answer:
c. directional selection
Explanation:
should be correct ed2022
Soha, kesha, and lance work together in the same office and also live in the same apartment building. they travel to their workplace using different modes of transport. arrange their transport choices according to their carbon footprint. begin with the person with the smallest footprint.
Arrangement of transport choices if begin with the person with the smallest carbon footprint is Lance < Kesha < Soha .
The entire amount of greenhouse gases (such as carbon dioxide and methane) produced by human actions is known as a carbon footprint.
Let's first take the example of Lance who rides a bicycle to their workplace.
The amount of carbon emission in riding a bicycle is comparatively very low in comparison to the hybrid electric car and gasoline-powered sedan as the bicycle doesn't emit any fumes.
Cycling emits 84 percent less CO2 on average than driving a car or using public transportation.
So, Lance is the person with the smallest carbon footprint.
Now if we compare Kesha with hybrid electric car and Soha with gasoline-powered Sedan, Kesha will have smaller carbon footprint.
In general, compared to conventional vehicles like gasoline-powered sedan, all-electric, plug-in hybrid electric, and hybrid electric vehicles (HEVs) have reduced exhaust emissions like carbon-di-oxide.
So, the correct arrangement of transport choices if begin with the person with the smallest carbon footprint is Lance < Kesha < Soha.
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________ is a condition in which the oxygen-carrying capacity of the blood is reduced.
Answer:
Anemic Hypoxia.
Explanation:
As per the definition of this condition:
"Anemic hypoxia occurs when the oxygen carrying ability of the blood decreases, and thus, this defect is specifically associated with the blood. This implies that fewer hemoglobin molecules (or oxygen-binding sites) are available for binding oxygen."
Hope this helps!
If you, like mendel, grow plants in the lab, and cross/breed short (tt) pea plants with another (tt) short pea plants, the offspring will be:_________
Cross/breed short (tt) pea plants with another (tt) short pea plants, the offspring will be also a short/dwarf pea plant(tt) due to the Monohybrid nature of the cross.
Monohybrid cross is responsible for the inheritance of one gene. It can be easily shown through a Punnett Square.
(Refer the picture attached for reference)
Thus the Genotype is "tt" and the Phenotype is "small".
"tt" is an example of pure gametes that are haploid. These gametes are always pure and do not possess homologous chromosomes. Instead, they possess one chromosome of each type, either recessive or dominant.
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Which solution is used as a preservative for a blood sample? A. a solution of 0.1 mg sodium citrate plus 0.1 mg mercuric chloride B. a solution of 0.5 mg sodium citrate plus 0.1 mg mercuric chloride C. a solution of 0.5 mg sodium citrate plus 0.5 mg mercuric chloride D. a solution of 0.8 mg sodium citrate plus 0.5 mg mercuric chloride
The solution that is used as a preservative for a blood sample is a solution of 0.1 mg sodium citrate plus 0.1 mg mercuric chloride. Option A
How is blood preserved?Many times, it is important to transport a blood sample from one point to another. In such cases, it becomes important to add a preservative to the blood sample so that it does not coagulate.
The solution that is used as a preservative for a blood sample is a solution of 0.1 mg sodium citrate plus 0.1 mg mercuric chloride. Option A
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Answer:
Its B
Explanation:
B. a solution of 0.5 mg sodium citrate plus 0.1 mg mercuric chloride
I did the test.
A sheet of muscles covering the back of the shoulders that aids in shoulder shrugs is called the:_______
A sheet of muscles covering the back of the shoulders that aids in shoulder shrugs are called the Trapezius muscles.
The muscle known as the trapezius muscles runs from the base of the neck to the middle of the back, passing through the shoulders. You may move your head, neck, arms, shoulders, and torso with the aid of the trapezius muscle.
Additionally, it supports spinal stability and improves posture. The traps may be impacted by muscle strains, which can hurt and limit movement. Both posture and mobility are controlled by the trapezius muscles.
It enables you to turn and tilt your head in all directions. When you lift your arm or throw a ball, the trapezius muscle controls your scapula (shoulder blade).
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If a researcher has a DNA sample with a concentration of 0.2 micrograms per microliter, how many microliters of DNA must be transfered to conduct a 50 microliter reaction if the final concentration should be 2.3 nanograms per microliter
The amount, in microliters, of the DNA that must be transferred to conduct the reaction will be 0.575 microliters
Dilution principleThe problem can be solved by using the dilution equation.
Mathematically, the equation is given as:
m1v1 = m2v2
Where m1 = imitial concentration, m2 = final concentration, v1 = initial volume, and v2 = final volume.
However, the initial and final concentrations, in this case, should first be converted to the same units.
0.2 microgram = 0.2 x [tex]10^{-6}[/tex] grams
2.3 nanograms = 2.3 x [tex]10^{-9}[/tex] grams
Thus, 2.3 nanograms = 2.3 x [tex]10^{-3}[/tex] microgram = 0.0023 microgram
What we are looking for is the initial volume.
v1 = m2v2/m1 = 0.0023 x 50/0.2 = 0.575 microliters
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Which process seems to be the most similar between eukaryotic and prokaryotic genetic regulation?.
Answer:
cell replication since both cells undergo cell replication and hence mitosis
In the following scenario, which question should Marie consider to determine if this career is right for her?
Marie is finishing a degree in animal science and is considering a career as an animal breeder.
What is the role of selective breeding in agriculture?
What degree is most useful for animal breeders?
Does she enjoy working in a hands-on position?
Does she prefer working in a laboratory or office?
If Marie is finishing a degree in animal science and is considering a career as an animal breeder, then she should consider what degree is most useful for animal breeders.
What is selective breeding?Selective breeding is a technique aimed at crossing animals or plants in order to select offspring having better traits/features in the next generations.
Selective breeding is based on the process of genetic selection due to the heritability of phenotypic traits (in this case, in animals).
In conclusion, if Marie is finishing a degree in animal science and is considering a career as an animal breeder, then she should consider what degree is most useful for animal breeders.
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____________________ is a condition in which there is widespread scaling of the skin, often with pruritus, erythroderma, and hair loss.
Erythroderma is a condition in which there is widespread scaling of the skin, often with pruritus, erythroderma, and hair loss.
Erythroderma, also sometimes called exfoliative dermatitis, is a severe and potentially life-threatening condition that presents with diffuse erythema and scaling involving all or most of the skin surface area .
Causes of erythroderma
A complication of atopic dermatitis, psoriasis, pityriasis rubra pilaris, or another skin condition.A reaction to medicines such as penicillin, barbiturates, or sulfonamide.Certain types of cancer such as lymphoma.To learn more about lymphoma, here
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A male is heterozygous for the trait that produces freckles on the skin, and he has freckles. If he marries a woman who is also heterozygous for freckles, ________ of their children are predicted to be freckled. Also, of all their children, ________ are predicted to be heterozygous.
A male is heterozygous for the trait that produces freckles on the skin, and he has freckles. If he marries a woman who is also heterozygous for freckles, 75% of their children are predicted to be freckled. Also, of all their children, 50% are predicted to be heterozygous.
The genotype of a plantThe plant must be homozygous for the trait because the phenotype reflects the genotype. To test if any white plants emerge, cross the red plant with a white plant.A gene region where there are two distinct alleles present. A heterozygous genotype can consist of one normal allele and one mutated allele, or two different mutated alleles.The symbol Tt stands for the heterozygous state, in which a gene's homologous pair has two distinct alleles.Learn more about phenotype here:
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Over time, individuals in hot, arid environments will develop more sensitive forms of sweat glands resulting in the production of more sweat.
Answer: True
Explanation:
A water sample has a pH 10 and contains 56 mg/L HCO3- and 32 mg/L CO32-. Calculate the alkalinity in mg/L as CaCO3.
The alkalinity as CaCO3 in mg/L is 108,23
What is alkalinity?Alkalinity is the total measure of substances present in water, capable of neutralizing acids. In other words, it is the amount of substances present in the water that act as a buffer.
With that being said;
Equivalent weight = {molar mass}*{ion charge/oxidation number}
Molar mass of HCO3- = 61g/molMolar mass of CO3 = 60g/molMolar mass of CaCO3 = 100g/molEq. cot. of HCO3- = 61g/EqEq. cot. of CO3 = 30g/EqEq. cot. of CaCO3 = 50g/EqAlkalinity due to CO3 = {32x50}{30} = 53.33mg/L
Alkalinity due to HCO3- = {56x50}{61} = 54,90mg/L
Total Alkalinity = 53,33 + 54,90 = 108,23 mg/L
In this case, we have to The alkalinity as CaCO3 in mg/L is 108,23 mg/L
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What is the Universal Genetic code?
A) All living things have DNA and RNA
B) All living things have the same size and shape of cells
C) The same type of cell membranes and cell walls are in both plant and animal cells
D) All DNA and RNA are contained in the nucleus of the cell
Answer:
A.
Explanation:
Every living organism needs a way to create energy and new cells, and to do that, they need something to direct that, which is where DNA and RNA come in. So therefore, all living things not only need, but have DNA and RNA.
It is that the living beings all are made up of both DNA and RNA. The correct answer is option A.
What is the full form of DNA and RNA ?It stands for deoxyribonucleic acid and ribonucleic acid.
The genetic code of the universe is universal. That is like the all of the known kind of the living organisms just use same genetic code. It shows by nearly all of the organisms which share a common kind of evolutionary history. The present genetic code is just unambiguous. Each of the codon codes is just one amino acid .
A genetic code that is shared by the diverse organisms which helps to provide important kind of evidence for common origin of the life on the Earth. That is like many of the species on the Earth today are likely just evolved from the same ancestral organism in that the genetic code is already present.
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A chemoorganotrophic bacterium that respires nitrate grows _________ than one that respires oxygen.\
A chemoorganotrophic bacterium that respires nitrate grows slower than one that respires oxygen.
What is a chemoorganotrophic bacterium?A chemoorganotrophic bacterium is a type of microorganism from the kingdom Archaea that uses different chemicals to survive.
A chemoorganotrophic bacterium that uses nitrates has a slower metabolic rate than aerobic bacteria.
In conclusion, chemoorganotrophic bacteria using nitrate grows slower than aerobic bacteria.
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Given this information, which reversion mutation in the gene would restore the normal function of the protein?
The production by further mutation of a premutation gene from a mutant gene. This reverse mutation restores the ability of the gene to produce a functional protein.
By changing a gene’s instructions for making a protein, a variant can cause a protein to malfunction or to not be produced at all.
When a variant alters a protein that plays a critical role in the body, it can disrupt normal development or cause a health condition.
A condition caused by variants in one or more genes is called a genetic disorder.
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What type of organisms do marine scientists believe may provide clues to marine viruses?
bacteria
protozoa
algae
microbes
The type of organisms that marine scientists believe may provide clues to marine viruses are bacteria (option A).
What are marine viruses?Marine viruses are defined by their habitat as viruses that are found in marine environments.
Marine viruses can infect all types of life forms, from animals and plants to microorganisms, including bacteria and archaea.
However, marine viruses tend to bacteriophages that infect marine bacteria often than any other host.
Marine viruses are regarded as microbe killers. Once a virus enters a host cell, it identifies it the surface receptors of the host cell and inserts its genetic material and hijacks the machinery inside the cell in order to replicate.
Therefore, the type of organisms that marine scientists believe may provide clues to marine viruses are bacteria.
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WHAT IS CELLULAR COMPONENTS CHARACTERISATION
If the intake valve is opened too early in the cycle of operation of a four-stroke cycle engine, it may result in:_______.
If the intake valve opens too early in the cycle, vacuum will be reduced and exhaust gasses will be forced into the intake manifold. When exhaust gasses are forced into the intake manifold, vacuum is adversely affected and the intake runners will soot up. This effect is called "reversion".
An internal-combustion engine goes through four strokes: intake, compression, combustion (power), and exhaust. As the piston moves during each stroke, it turns the crankshaft.
The work of is intake valve opens when the piston reaches the TDC; compressed air from high pressure tank rapidly flows into the cylinder. The pressure inside the cylinder rapidly increases to the intake pressure. Meanwhile, the mass and temperature inside the cylinder increase.
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Which of the following is NOT one of the four macromolecules that make up cells?
Answer:
can you give the choices
Which two species are actually the closer relatives in terms of evolutionary history: human, chinook salmon, and great white shark?
The two species that are closer relatives in terms of evolution include chinook salmon and white shark.
What is evolution?Evolution refers to a common origin in different organisms, and the main evolutionary mechanism is natural selection.
Humans, chinook salmons and white sharks belong to Chordate Phylum, but these last two are closer form an evolutionary point of view.
In conclusion, the two species that are closer include chinook salmon and white shark.
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In which of the domains would it be easiest to determine the phylogenetic relationships among organisms?
The study of relationships and the evolutionary history of various groupings of species is known as phylogeny. The goal of phylogeny is to reconstruct the evolutionary course of all species on Earth. A phylogenetic tree also learned as a cladogram, is a schematic diagram used to show the alleged evolutionary relationships between taxa. Diagrams of phylogenetic trees are based on cladistics, or phylogenetic systematics, hypotheses.
Organization of life, according to taxonomy, divides creatures into three domains:
BacteriaEukaryaArchaeaThe Eukarya domain are the most easy because they are large enough for their morphological features to be easily seen.
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Coral in the ocean grows by budding, where the new organism grows out of the old one by mitosis. this form of replication is an example of:____.
Coral in the ocean grows by budding, where the new organism grows out of the old one by mitosis. this form of replication is an example of asexual reproduction.
Asexual reproduction is a type of reproduction that does not involve gamete fusion or changes in the number of chromosomes. Progeny resulting from asexual reproduction from unicellular or multicellular organisms inherits the complete set of genes from a single parent.
Asexual reproduction is a type of reproduction in which a single parent gives birth to new offspring. Newly produced individuals are genetically and physically identical. That is, they are clones of their parents. Asexual reproduction is observed in both multicellular and unicellular organisms.
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what is the difference between mitosis and meiosis
All athe following are present in membrane except globular proteins cholesterol traces of carbs phospholipids
Globular proteins are not present in the membrane.
What is the composition/structure of a cell membrane?The fluid mosaic model, which is the presently accepted explanation for the composition of the plasma membrane, was originally put forth in 1972. The plasma membrane is a mosaic of elements, primarily phospholipids, cholesterol, and proteins, that move fluidly and freely in the plane of the membrane, according to the fluid mosaic model.
Lipids (such as phospholipids and cholesterol), proteins, and carbohydrate groups that are joined to some of the lipids and proteins make up the plasma membrane.
A phospholipid is a lipid composed of glycerol, two fatty acid tails, and a head group that is phosphate-linked. Phospholipid bilayers, two layers of phospholipids with their tails pointing inward, are a common component of biological membranes.In the center of the membrane, next to phospholipids, is cholesterol, a different lipid made up of four fused carbon rings.Membrane proteins can enter the plasma membrane only partially, cross it totally, or remain loosely connected to either the inside or outside face of the membrane.The outer layer of the plasma membrane contains carbohydrate groups, which are joined to lipids or proteins to form glycolipids or glycoproteins.Learn more about plasma membrane here:
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Based on genetic analysis of living primates calibrated by the fossil record, it is estimated that apes and Old World monkeys diverged into separate lineages around __________ mya.
Based on genetic analysis of living primates calibrated by the fossil record, it is estimated that apes and Old World monkeys diverged into separate lineages around 25 mya.
Miocene apes and modern apesThe size of the hands is one way that Miocene primates and modern apes differ.The prehistoric primate genus Sivapithecus, which lived between 23.7 and 5.3 million years ago, is regarded to be the orangutan's closest living relative.Early in the Miocene, primitive catarrhines, apes, and Old World monkeys were confined to Africa, but by the middle and late Miocene, they had expanded to Eurasia as well. Close relatives of living lorises include Nycticeboides and Nycticebus.Proconsul africanus, a species of ape, flourished between 23 and 14 million years ago during the Miocene epoch. It ate fruit, but probably not as much fruit as an ape does now, and had a brain that was larger than a monkey's.
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The novel Parkinson's disease linked mutation G51D attenuates in vitro aggregation and membrane binding of alpha-synuclein, and enhances its secretion and nuclear localization in cells
PD linked mutation may cause neurodegeneration via different mechanism.
What is Novel Parkinson's disease linked mutation ?A novel mutation in the α-Synuclein (α-Syn) gene "G51D" was recently identified in two familial cases exhibiting features of Parkinson's disease (PD) and multiple system atrophy (MSA)
the G51D mutation significantly attenuates α-Syn aggregation in vitro.it disrupts local helix formation in the presence of SDS, decreases binding to lipid vesicles C-terminal to the site of mutation and severely inhibits helical folding in the presence of acidic vesicles.Learn more about Novel Parkinson's disease here:
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What helps determine the properties of certain tissues, particularly connective tissues?
Variations in the composition of the extracellular matrix, determines the properties of the connective tissue. For example, if the matrix is calcified, it can form bone or teeth. Specialised forms of extracellular matrix also makes up tendons, cartilage, and the cornea of the eye.
Please tell me if i am wrong. Hope this helped!
The properties of certain tissues, particularly connective tissues, are determined by the extracellular matrix (ECM). The ECM is a network of proteins and other molecules that surrounds and supports the cells in the tissue.
The ECM determines the strength, flexibility, and other properties of the tissue. The ECM is composed of three main types of proteins: collagen, elastin, and glycosaminoglycans.
Collagen is the most abundant protein in the ECM. It is a strong, flexible protein that gives tissues their tensile strength.
Elastin is a protein that gives tissues their elasticity. It is a rubber-like protein that allows tissues to stretch and return to their original shape.
Glycosaminoglycans are long, sugar-like molecules that give tissues their viscosity. They help to keep tissues hydrated and prevent them from sticking to each other.
The ECM is also home to a variety of other molecules, including growth factors, cytokines, and adhesion molecules. These molecules play a role in the development, maintenance, and repair of tissues.
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Which observation is not evdience that helped identify sodium a s the early current of the action potentioa?
a. The current declined when there was decreased driving force on sodium fluxes.b. The current disappeared near the Nernst potential for sodium.c. The early current was blocked by tetrodotoxin.d. The early current was unaffected by tetraethylammonium.e. When the late current was blocked, the reversal potential of the inward current shifted to a negative membrane potential.
Option e: When the late current was blocked, the reversal potential of the inward current shifted to a negative membrane potential. This observation is not an evidence that helped identify sodium a s the early current of the action potential.
Reversal potential is the potential at which the current reverses direction: it changes from positive to negative.
During a typical action potential, the small resting ion conductance mediated by potassium channels is overwhelmed by the opening of numerous Na+ (sodium ion) channels.
This brings the membrane potential towards the reversal potential of sodium.
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