Answer:
Less concentrated as, by osmosis, the water moves up the concentration gradient into area of most concentration.
a 25 year-old patient presents complaining of a sore throat and swollen glands in the back of her neck. upon exam, erythema and white purulent exudates are noted in the tonsillar region. results of streptococcal antigen tests were negative and the patient’s monospot test is pending. cbc with differential normal blood values with the exception of 60% lymphocytes on the differential, 30% of which are "atypical."which is the most likely cause of the patient’s condition?
Answer:
The reason why they have a sore throat is because they most likely have mono
Explanation:
If your throat is sore and based on the information listed the only possible reason would be is that they have mono
the same bees that pollinate the flowers of the brazil nut trees pollinate orchids, which are epiphytes (plants that grow on other plants); however, orchids cannot grow on brazil nut trees. these observations explain
The observations explain about the why Brazil nut trees do not set fruit in plantations.
In a short amount of time, plantation forestry may generate large amounts of wood. Authorities in charge of state forestry, such as the Forestry Commission in Britain, as well as the paper and wood businesses, as well as other private landowners, grow plantations (such as Weyerhaeuser, Rayonier and Sierra Pacific Industries in the United States or Asia Pulp & Paper in Indonesia). In southern and southeastern Asia, teak plantations have recently supplanted the native forest. Christmas trees are frequently cultivated on plantations.
For the commercial production of forest products, industrial plantations are actively managed. Industrial plantations are frequently very vast. Individual blocks typically have an even age distribution and are composed of just one or two species. They may be native or invasive species.
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what is the chance that among the three children in generation ii who have the dominant phenotype, one of them is aaaa and two of them are aaaa ? (hint: consider all possible orders of genotypes.) express your answer to two decimal places.
This question's correct answer is 0.44.
A dominant phenotype is one that manifests itself in one of two ways: the inheritance of two dominant alleles (homozygous dominant) or the inheritance of one dominant and one recessive allele (heterozygous dominant).
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Which of the following statements is true of the food web pictured?
Answer:
the algae is a primary consumer
For certain breeds of cattle, a bull with solid red fur and a cow with solid white fur will make a roan calf that has both red and white hairs in its coat. What is this genetic inheritance pattern?.
The genetic inheritance pattern is Codominance.
What is Codominance?
Co-dominance can be said to be a genetic scenario whereby the alleles of a gene are neither dominant nor recessive over one another, hence, they are both simultaneously expressed in the hybrid phenotype. It is one of thee non-mendelian inheritance.
In this case, involving a gene coding for fur colour in the cattle. One of the alleles code for red hair while the other allele for white hairs. Both alleles can be said to be co-dominant because no one is dominant over the other, hence, they produce an hybrid phenotype called Roan where both red and hair phenotypes are seen/expressed.
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Compare Why is a quarter a better electric conductor than a rubber
eraser?
Answer:
a quarter is a metal while an eraser is a rubber.
Explanation:
it is simply a difference between conductor and insulators.
The corolla of a morning glory forms a shape called
Answer:
Explanation:
The collection of all the petals of a flower is known as the corolla. It can be of different shapes like clawed, fimbriate, laciniate, spurred, and saccate. They can be irregular or regular.
the requirements of biosynthesis are carbon and other essential elements, as well as which of the following? choose one: a. reducing agents and energy for catabolic enzymes b. oxidizing agents and energy for catabolic enzymes c. oxidizing agents and energy for anabolic enzymes d. reducing agents and energy for anabolic enzymes
The requirements of biosynthesis are carbon and other essential elements as well as (d) "reducing agents and energy for anabolic enzymes."
The question asks for the conditions necessary for biosynthesis. Biosynthesis describes the processes that result in the production of complex polymers from simple monomers.
It indicates that anabolic reactions are being discussed. (Catabolic reactions are those that cause polymers to disintegrate into monomers.) Complex polymers are created by anabolic reactions, which are defined as those processes.
Polymer synthesis is a reduction process. For instance, carbon dioxide is converted to generate glucose during photosynthesis. It implies that reducing agents that convert monomers into polymers are necessary.
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through green community practices the members can propose which projects
The members can propose:
Sustainable Purchasing.Electronic Management.Transportation.pollinator protection.Waste Diversion.Pollution prevention.A good way to start is to save water drive less walking use less energy buy recycled products eat locally grown vegetables and go green to combat air pollution. These include joining organizations generating less waste and planting more trees.
You are one of twenty-four companies accredited by the United Nations to provide advisory services on climate change. The main goals of the green initiative include offsetting greenhouse gas emissions from human activities and reforestation projects in riparian areas in need of restoration. They act as catalysts for expanding social and economic opportunities and improving quality of life.
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gerlach used a stain called carmine to stain body tissues, but had a very difficult time staining a certain tissue type. he was finally able to stain the tissue section when he mistakenly left the sample in the stain overnight. what type of tissue type was gerlach finally able to visualize due to his "error"?
Neural tissue is the type of tissue type that gerlach was finally able to visualize due to his "error.
Nerve cells, also known as neurons, and their ancillary cells, such as neuroglia cells, make up neural tissue, also known as nervous tissue. The nerve cells are specialized cells that communicate between nerve cells by sending and receiving nerve impulses, also known as action potentials. Dendrites and axons, two types of distinctive cellular projections, are found on nerve cells. The electrochemical signals are picked up by the dendrites (from another nerve cell). The following nerve cell receives the action potential from the axons.
The axon terminal, which resembles a bulb, is the termination of the axon. The nerve impulse is eventually transmitted from one nerve cell to the next by neurotransmitters that are produced from the axon terminal. The nervous tissue also contains neuroglia cells in addition to nerve cells. These cells assist in nourishing and defending the nerve cells. They create myelin and aid in preserving homeostasis
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place the following list of steps into the correct sequence for creating a genetically modified organism. a) the gene is transferred to the target organism. b) the bacteria containing the recombinant dna are allowed to reproduce. c) the gene of interest is inserted into a plasmid. d) a plasmid is isolated from a strain of bacteria. e) the plasmid containing the recombinant dna is inserted into bacteria. f) the gene of interest is isolated from the cell of an organism.
DFCEBA : A plasmid is isolated from a strain of bacteria, the gene of interest is isolated from the cell of an organism,the gene of interest is inserted into a plasmid, the plasmid containing the recombinant dna is inserted into bacteria.
Bacteria and certain other microscopic species contain plasmids, which are tiny circular DNA molecules. Physically distinct from chromosomal DNA, plasmids multiply on their own. They typically include a small number of genes, some of which are transferred from cell to cell and are linked to antibiotic resistance. Recombinant DNA techniques are used by scientists to splice the genes they want to research into a plasmid. The inserted gene is duplicated along with the plasmid as it duplicates itself. Molecular biotechnology has benefited greatly from the development of plasmids. They serve as vectors, or delivery systems, for introducing foreign DNA into bacteria. Beginning in the 1970s, DNA from other creatures was initially "cut and pasted" into particular locations within plasmids.
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The new strain of covid is spreading at the rate of 12% a week. Currently, there are 100,000 people infected with the virus. How long will it take before the virus has infected 800,000 people?.
The time that it would take the disease to spread is exponential function.
What is the infection rate?We know that a disease spreads rapidly and that it is possible to make use of a mathematical model to tell the rate at which the infection would spread across board. We have that;
Number of infected people Po = 100,000
Number of people infected after time t = 800,000
Time taken = t
Infection rate = 12%
We then have that;
P(t) = P(o)e^rt
800,000 = 100,000e^0.12t
800,000/100,000 = e^0.12t
8 = e^0.12t
ln 8 = 0.12t
t = ln 8/0.12
t = 17 days
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in giraffes, long necks (n), long legs (l), dark spots (d), and the ability to digest maize (m) are all dominant traits. what possible genotype could a long-necked, short-legged, light-spotted, maize-digesting giraffe have? nnllddmm nnllddmm nnllddmm nnllddmm
NnllddMM is the correct answer. A genotype is a classification of the type of variant found at a specific location (i.e., a locus) in the genome.
In a broad sense, the term "genotype" refers to an organism's genetic makeup; in other words, it describes an organism's entire set of genes. In a narrower sense, the term can refer to the alleles, or variant forms of a gene, that an organism carries. A genetic test is an obvious way to determine our genotype. Companies like 23andMe can do this fairly cheaply these days. To make this work, scientists must first identify the genetic difference that causes a trait.
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Assume that two characters are controlled by genes we will generically label as A and B. In one instance A and B will be on different chromosomes and in another instance they will be located close to each other on the same chromosome (linked). Using this information, fill in the following table.
Independent genes are inherited according to the law of independent assortment, while Linked genes are inherirted together. Linked genes: 1) 3:1. 2) No. 3) AB, ab. Independent genes: 1) 9:3:3:1 2) Yes. 3) AB, Ab, aB, ab.
What are independent assortment, linked genes and independent genes?Independent assortment is a law that states that the alleles from two or more different genes distribute independently from each other in gametes.
A gamete receives an allele from a gene that does not depend on nor influence the allele of another gene in the same gamete. This can only be applied to independent genes.
These genes segregate independently after crossing over because they are located far away from each other.
Some other genes, however, are too close to each other and do not segregate independently. These are the linked genes, and they do not exhibit an independent distribution, and they inherit together more frequently.
In the exposed example,
Diallelic Gene ADiallelic Gene BWe will assume these genes express complete dominance.
Linked genes
1)
Parentals) AaBb x AaBb
Gametes) AB ab AB ab
Punnett square) AB ab
AB AABB AaBb
ab AaBb aabb
F1) 1/4 AABB + 2/4 AaBb : 1/4 aabb
2/4 of the progeny is exprected to express the dominant traits, while 1/4 is expected to express the recessive traits.
Phenotypic ratio ⇒ 3:1
2)
No, the law of independent assortment does not apply
3)
Since the parents of these individuals are both true breeding, the gametes are AB and ab.
Independent genes
1)
Parentals) AaBb x AaBb
Gametes) AB Ab aB ab AB Ab aB ab
Punnett square) AB Ab aB ab
AB AABB AABb AaBB AaBb
Ab AABb AAbb AaBb Aabb
aB AaBB AaBb aaBB aaBb
ab AaBb Aabb aaBb aabb
F1)
9/16 individuals are expected to express the two dominant traits, A-B-
3/16 individuals are expected to express one of the dominant traits, A-bb
3/16 individuals are expeected to express the other dominant trait, aaB-
1/16 individuals are expected to express the recessive trait, aabb
Phenotypic ratio ⇒ 9:3:3:1
2)
Yes, the law of independent assortment does not apply
3)
Since the parents of these individuals are both true breeding, the gametes are AB, Ab, aB, and ab.
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need help filling this graph
The graph representing number of deer's vs deer population is plotted and discussed below.
What is graph plotting?A graph plotting is a process of plotting the coordinates given that represent a relation between two quantities and gives an idea of how one quantity varies with respect to other.
Given are the coordinates of Deer population from 1905 to 1939.
We can plot the given coordinates on the graph very easily. Along the x - axis, we will plot the deer population and along the y - axis we will plot number of deer's. The plotted graph is attached with the answer. For a given coordinate say (x, y), the x - coordinate is plotted on x - axis and the y - coordinate is plotted on y - axis.
Therefore, the graph representing number of deer's vs deer population is plotted and discussed above.
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In addition to being used to
construct exoskeletons, chitin is
found in the cell walls of
A. animals
B. plants
C. fungi
Describe the nucleus of an atom
Answer:
The nucleus of an atom contains the atom's protons and neutrons. It is the higher concentrated region of the atom that contributes to most of its weight. It has a positive charge because the protons are positively charged and the neutron is uncharged.
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Which best describes where the scientists who have contributed to our scientific knowledge were located
The answer is
D. They were from all parts of the world
Why does the upper cells of nail become keratinized?
Answer:
Explanation:
Keratin is a type of protein that forms the cells that make up the tissue in nails and other parts of your body. Keratin plays an important role in nail health. It protects nails from damage by making them strong and resilient.
In an experiment, a scientist decides to study the effect of exercise on cholesterol levels in people. He studies two set of people—those who exercise every day for an hour and those who don’t exercise at all. In this case, the statement that people who exercise for an hour may have lower cholesterol levels is
. To test this statement, the scientist would measure cholesterol levels in exercisers and non-exercisers. The cholesterol levels would be
.
The statement that people who exercise for an hour may have lower cholesterol levels is a hypothesis. The cholesterol level would be the dependent variable.
What are hypotheses?In science, hypotheses are tentative statements made regarding natural phenomena. These statements are untested. They can be tested using relevant experiments.
Thus, hypotheses are usually made before relevant experiments are conducted.
Thus, in the illustration, the statement that people who exercise for an hour may have lower cholesterol levels is considered a hypothesis.
Also, in experiments, there are different types of variables:
Independent variablesDependent variablesIndependent variables are supplied by researchers and can be manipulated to produce different outcomes.
Dependent variables are a measure of the effects of the independent variables.
Thus, in the illustration, the level of exercise is the independent variable. The variable that the exercise was hypothesized to affect is the cholesterol level. Meaning that cholesterol level is the dependent variable.
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How could we safely capture & grow bacteria in the classroom? What precautions do we need to take so we don’t get an infection from our experiment?
Bacteria can be grow best in warm, moist and protein rich environment. The following precautions we need to take while growing of bacteria:-
use glovesuse lab coatuse safety goggleslong hair should tieafter experiment use sanitizerBacteria are small single-celled organisms. Bacteria are found nearly anywhere on earth and are vital to the planet's ecosystems. some species can stay beneath intense situations of temperature and strain. The human frame is complete of bacteria, and in reality is expected to contain more bacterial cells than human cells.
The ancestors of bacteria were unicellular microorganisms that were the primary forms of lifestyles to seem in the world, about four billion years in the past. For about three billion years, maximum organisms have been microscopic, and bacteria and archaea were the dominant forms of life.
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As ocean waves approach shore, their velocity decreases. How does a decrease in velocity affect the frequency and wavelength of the waves
entering the shallow water?
Velocity is the rate at which something moves in a specific direction. as the speed of a car driving north on a highway or the pace at which a rocket takes off. Because the velocity vector is scalar, its absolute value magnitude will always equal the motion's speed.
Sea waves slow down as they get closer to land. The following equations explain how a wave's velocity, wavelength, and frequency are related:
v= f x λ
the frequency f
equals wavelength
f = 1/λ ..............(1) (1)
In this way, as the wave expands in speed, the wavelength and frequency also rise depending on the circumstance (1). When the velocity drops, the frequency and wavelength both start to get smaller.
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For every one glucose molecule, which step in cellular respiration produces the greatest amount of atp?.
The electron transport system
The stage that produces most of the ATP during cellular respiration is the electron transport system (ETS).
What is Electron transport system ?
The ATPase enzyme and ETS complexes are housed in the inner mitochondrial membrane.The function of ETS in mitochondria generates an electrochemical gradient between the matrix and the inner mitochondrial space (High at inner mitochondrial space and low at matrix).ETS gets electrons from the oxidation of NADH and FADH2The ATPase enzyme situated in the inner mitochondrial membrane allows protons to flow down their electrochemical gradient.This proton motive force is utilized for phosphorylation of ADP into ATP.Thus the production of ATP through ETS is called oxidative phosphorylation as both oxidation and phosphorylation take place.Adenosine triphosphate (ATP) is the cellular energy source for use and storage. ATP is a nucleoside triphosphate with the structure of a nitrogenous base (adenine), a ribose sugar, and three serially bonded phosphate groups. Adenosine triphosphate is an organic compound that supplies energy to many processes in living cells, including muscle contraction, nerve impulse propagation, condensate dissolution, and chemical synthesis. In the absence of catalysts, ATP is stable in aqueous solutions between pH 6.8 and 7.4. At higher pH levels, it rapidly hydrolyzes to ADP and phosphate. Living cells keep the ATP/ADP ratio ten orders of magnitude higher than equilibrium, with ATP concentrations fivefold higher than ADP concentrations.
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Identify the bacteria that are responsible for turning nitrogen from the atmosphere into usable nitrogen for plants. Streptomyces, Yersinia pestis, Lactobacillus acidophilus, or Rhizobium.
The bacteria that are responsible for turning nitrogen from the atmosphere into usable nitrogen for plants are commonly called as Rhizobium.
What are Rhizobium bacteria?Rhizobium bacteria are a particular taxonomic group of bacteria that are well known because they are able to fix important amounts of nitrogen present in leguminous plants. These bacteria can generate nodules capable of fixing nitrogen in the air which is then employed by the plant to synthesize biomolecules.
Therefore, we can conclude that Rhizobium represents bacteria that can use the nitrogen in the air to fix it into leguminous plants.
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Listed in the Item Bank are some important labels for sections of the image below. To find out more information about labels, some have more details available when you click on them. Drag and drop each label to the corresponding area it identifies in the image.
The given image is of fermentation. Fermentation is an anaerobic chemical process that breaks down molecules like glucose.
What is fermentation?These pathways for fermentation are simply more complex versions of glycolysis. Yeast undergoes more reactions than your muscles do, which results in alcohol being produced instead of lactic acid.
Although it's a frequent process, fermentation isn't the sole way to anaerobically extract energy from fuels (in the absence of oxygen).
Anaerobic cellular respiration relies on the movement of electrons from a fuel molecule through an electron transport chain to power the production of ATP, much like aerobic cellular respiration does.
Therefore, The given image is of fermentation. Fermentation is an anaerobic chemical process that breaks down molecules like glucose.
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A student obverse’s a cell under a microscope. She sees a cell wall and a nucleus. What type of cell is she observing?
Answer:
Pretty sure it's a Eukaryotic plant cell!
PLEASE HELP ME WITH THIS QUESTION ASAP!!!
The question is “ approximately how many clams would be developing in 10°C water?”
Use the picture to help you answer! :)
Answer:
52 clams would be in 10 degree Celcius water. The clams that survived in the 21°C and 25°C water are used in each the biomarker and genetic analysis.
A researcher is interested in the structure of the flagellar motor, a series of proteins embedded in the cell wall and plasma membrane of E. coli and many other prokaryotes. Which microscopic technique would be appropriate to determine which proteins of the flagellar motor are associated with the cell wall?
A.
scanning electron microscopy (SEM) because it would generate a 3D image of the surface of the cell wall at high magnification
B.
phase-contrast microscopy because it would introduce contrast between the flagella and the bacterial cell
C.
transmission electron microscopy (TEM) because it would provide a cross section of the cell wall at high magnification
D.
brightfield microscopy because it would show where the flagella are attached to the cell
The technique that could be used in order to study which proteins of the flagellar motor are associated with the cell wall is the scanning electron microscopy (SEM) because it would generate a 3D image of the surface of the cell wall at high magnification
What is the cell?The cell is the smallest unit of a substance which is the lowest level of life. We know that all cells come from pre existing cells and the study of the cells can only be made possible using the microscope. The microscope is a device that can be able to probe.
The scanning electron microscope is the kind of microscope that could be used to see into the interior portions of the cells and this is essential for study as all the structures that are connected to the cell wall can be see quite clearly when we are using this very method.
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What type of photoreceptor enables pricilla to maneuver and see basic shapes in her room in the middle of the night?.
Pricilla uses Rods to move around and recognize simple shapes in her room in the middle of the night.
How do photoreceptors work?
which convert light into signals that are sent to the brain. Photoreceptors give us both color vision and night vision. The two different types of photoreceptor cells are rods and cones. Numerous eye problems may affect photoreceptor cells.
The initial stage of vision is carried out by specialized neurons known as rod and cone photoreceptors. In the back of the retina, close to the retinal pigment epithelium (RPE), which is a cell layer necessary for photoreceptor survival, are these light-sensitive cells.
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which one of the following correctly matches the organelle with its function
A. cell wall produces energy for the cell
B. nucleus: control center of the cell
C. cell membrane gives rigid structure that supports the other organelles
D. chloroplasts: colorless, jelly-like substance that supports the other organelles
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