Answer: cola-flavored soda: 2.6
cranberry juice: 2.9
pickle juice: 5.5
Explanation:
The substances given are:
cola-flavored soda: 2.6
cranberry juice: 2.9
dish soap: 7.3
pickle juice: 5.5
seawater: 8.0
lye soap: 13.0
Based on a pH scale, an acidic solution is one that has a pH that is below 7, a solution is neutral if the pH is 7 while a basic solution has a pH of above 7.
Therefore, the acidic substance will be:
cola-flavored soda: 2.6
cranberry juice: 2.9
pickle juice: 5.5
The signs used depend on the species being surveyed and include the presence of runways and tracks on *
1 point
(a). soft substrates
(b) hard substrate
(c) dry mud
(d) rocks
Answer:
(a). soft substrates
Explanation:
Mobile organisms can be measured by both direct and indirect methods. Direct methods may involve observing the actual behavior (e.g., scoring via timing). Moreover, indirect methods are those where the technique used depends on the species being examined, collecting information such as through recording of tracks in the soft substrate (e.g., mud, sand, snow), presence of fur/feathers, droppings (mammals), etc. For example, indirect observation of insects may involve the determination of exoskeletons, sounds, etc.
can someone help me with this question?
Answer:
research question: how do different humidity levels affect the heights of different types of trees
independent variable: humidity level
dependent variable: tree height
constants: temperature, light, duration of time
control group: tree left outside in normal conditions
Explanation:
what is difference between biology and chemistry
biology is about cells and the body
chemistry is more elements and molecules
Answer:
Biology is the study of life or to precise, living organisms and how they react whilst chemistry is the study of the reaction of substances and their properties.
Explanation:
Biology is more of organisms like humans and how they react to things
Chemistry is more of how substances react and their properties
what level of biological organization is illustrated by the image? click the correct box
Answer: Ecosystem
Explanation: This image shows multiple species interacting with their environment: human and rabbit within waterfall and tree.
The level of biological organization that is illustrated by the image is called Ecosystem.
An ecosystem is defined as a self supportiung unit that is made up of a living part (biotic factors) like plants and animals; and non-living part (abiotic factors) like water, soil, air.
In an ecosystem, the biotic community includes population of:
Food producers: That is the autotrophs like the green plants which are seen in the attached diagram.Food consumers : That is the heterotrophs such as animals and human beings.The non-living part of an ecosystem is its abiotic component. this consist of:
Abiotic resources: These are what organisms need to stay alive. they include a source of energy (sunlight as seen in the diagram) and inorganic nutrients ( carbon dioxide, water).Learn more here:
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When performing the streak for isolation technique, your result is unexpected: There is only growth obtained in quadrant 1. The growth observed in quadrant 1 is as expected, heavy with no isolated colonies. However, no growth is visible in any other quadrants.
Which of the following errors could explain this unexpected result?
A) The loop did not cross into quadrant 1 when streaking quadrant 2
B) You forgot to flame the loop in between quadrants
C) All of the errors listed here could be responsible for this unexpected result
D) Not enough bacteria was obtained from the starting culture when streaking quadrant 1
Answer:
A) The loop did not cross into quadrant 1 when streaking quadrant 2
Explanation:
The streak for isolation technique is a method used to get isolated bacterial colonies. This technique consists of, in a petri dish with culture medium, where, with the help of an inoculation loop, the bacteria are scratched on one side of the dish. This side is called the first quadrant. This inoculation loop must then cross with the first quadrant and be dragged to the second quadrant, where new lines must be made. This allows a part of the bacteria from the first quadrant to be carried over to the second. The inoculation loop must cross the second quadrant again to inoculate the third quadrant, and so on.
In this case, we can see that for bacterial colonies to grow in all quadrants, it is essential that the loop crosses in the first quadrant to cross out the second quadrant. If not, only the first quadrant will have bacterial colonies.
Answer:
A) The loop did not cross into quadrant 1 when streaking quadrant 2
Explanation:
There are many different techniques to isolate bacteria populations. Using solid media such as agar, you can perform the streak for isolation technique.
What you want to do by using this technique is to get an isolated colony of the bacteria of interest. And to get it, you need to dilute a sample or inoculum of bacteria as much as possible by streaking it. Every time you do it, you take fewer amounts of cells from the original sample, separating them each time more, to the point of having only one single cell apart by a few millimeters from another cell. The isolated cell divides and forms a new pure colony.
So basically, you need to imaginary divide the agar plate into four quadrants.
You sterilize the loop carefully and take a sample of bacteria, trying to get the smallest amount of inoculum. You will apply the loop with the sample in quadrant one and spread it. You close the plate and turn it, placing the second quadrant in front of you. You sterilize the loop again on the flame and let it cool. You perform the same motion in quadrant two but carefully touching the edge of quadrant one, so you can take some of the cells that you have already spread on it. Once you spread quadrant two, you close the plate and turn it again, so quadrant three is in front of you. You sterilize the loop again on the flame and let it cool. You perform the same motion in quadrant three but carefully touching the edge of quadrant two. Close and rotate the plate. You sterilize the loop and repeat the same motion in the last quadrant. Close the plate and take it to incubation. Finally, you put the loop on the flame for the last time.The importance of extending the streaks into the anterior quadrant is to take a few cells from there and to spread them in the following quadrant. In this way, you are diluting the original inoculum, and separating the cells each time more. The fourth quadrant should have a few isolated cells that will reproduce and form a pure colony. If you do not touch the anterior quadrant while streaking, you will not have any cell in the quadrant, and you will not observe any colony after the incubation. The importance of sterilizing the loop every time you change the quadrant is to avoid contamination with other species. If you do not flame the loop, the result will be too many colonies of different species, probably touching themselves, in each quadrant.what system produces most of the hormones in the human body
The hormones created and released by the glands in your body's endocrine system control nearly all the processes in your body
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Answer:
The endocrine system.
Explanation:
It's a group of glands that produce and secrete hormones that the body uses for a variety of purposes.
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Why doesn't cloud formation take
place until the dew-point temperature is
reached?
Answer:
Clouds form when air reaches its dew point, the temperature when the air is saturated. This can happen in two ways. First, the air temperature can stay the same while the humidity increases. This is common in locations that are warm and humid.
Explanation:
Answer: The moisture in the cloud affects the weather.
Explanation:
thats why
The branch shown below has FOUR individual leaves. Use the dichotomous key to identify the tree’s genus and species.
A.Albizia julibrissin
B.Cornus florida
C.Juglans nigra
D.Pinus taeda
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From what you know of tonicity, what can you say about the plant cells and the solutions in the test tubes
Answer:
Tonicity is the relative amount of solutes that is dissolved in solution which determine the direction and level of diffusion.
Explanation:
Tonicity is the relative amount of solutes that is dissolved in solution which determine the direction and level of diffusion. There are three types of tonicity i.e. hypertonic, hypotonic and isotonic solution. If a cell is placed in a hypertonic solution, water will leave the cell, and the cell will shrink due to more solute in the external environment. In an isotonic environment, there is no water movement occurs, so there is no change in the size of the cell. When a cell is placed in a hypotonic environment, water will enter the cell, and the cell will swell. due to lower amount of water present inside the cell.
The given statements concern the relationship between mitochondrial hydrogen ion concentration and energy storage as ATP during oxidative phosphorylation. Classify each statement as either accurate or inaccurate.
a. Hydrogen ions cannot freely pass through the inner mitochondrial membrane.
b. H+ concentration is lower in the mitochondrial matrix than in the intermembrane space.
c. Energy is generated as a result of the difference in hydrogen ion concentration between the mitochondrial matrix and the cytoplasm.
d. ATP synthase uses energy from ATP to move H + into the mitochondrial matrix.
Solution :
The following statements regarding the relationship between the mitochondrial hydrogen ion concentration and energy storage in the form of ATP during the process of oxidative phosphorylation are :
ACCURATE :
a. Hydrogen ions cannot freely pass through the inner mitochondrial membrane.
b. H+ concentration is lower in the mitochondrial matrix than in the intermembrane space.
INACCURATE :
c. Energy is generated as a result of the difference in hydrogen ion concentration between the mitochondrial matrix and the cytoplasm.
d. ATP synthase uses energy from ATP to move H + into the mitochondrial matrix.
A traumatic injury to the inferior angle of the mandible severs the hypoglossal nerve. Which of the following muscles would be affected?
a. Geniohyoid
b. Mylohyoid
c. Genioglossus
d. Stylohyoid
The muscle that would be affected is the Genioglossus. That is option C.
The hypoglossal nerve is the also known as cranial nerve XII.
This nerve arises from the nuclei in the medulla oblongata.
They supply:
the muscles of the tonguemuscles surrounding the hyoid bone andcontribute to swallowing and speech.The muscles of the tongue includes
genioglossus, hyoglossusstyloglossus, and palatoglossusThe genioglossus is a flat triangular muscle that forms the base by which the tongue is attached.
Since the hypoglossal nerve supplies the the tongue muscle (genioglossus), it would be must affected when mandible severs the hypoglossal nerve.
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fungsionalisme adalah?
Answer:
Teori adalah suatu pendapat bagaimana dan kenapa sebuah fakta terjadi. (Macionis, 1997:15). Sedangkan Scupin dan De Corse (1995)mendefinisikan teori adalah kumpulan hipotesis yang tidak berhubungan yang menawarkan penjelasan secara umum untuk fenomena natural atau sosial. Salah satu teori Antropologi adalah fungsionalisme.
Teori fungsionalisme adalah teori dominan dalam antropologi. Teori ini memandang budaya sebagai satu kesatuan, dan mencoba untuk menjelaskan bagaimana hubungan antara bagian-bagian masyarakat yang tercipta dan bagaimana bagian ini fungsional (bermakan memiliki konsekuensi yang menguntungkan pada individu dan masyarakat) dan disfungsional (bermakna memiliki konsekuensi negatif). Teori ini memandang masyarakat sebagai sistem yang kompleks yang mana bagian tersebut bekerja bersama untuk mempromosikan solidaritas dan stabilitas; ini menandakan bahwa kehidupan sosia kita dituntun berdasar pada struktur sosial, yang pola perilaku sosialnya secara relatif stabil (Macionis, 1997)
Seluruh struktur sosial berkntribusi pada operasi masyarakat. Dua antropolog inggris terkemuka Radcliff Brown dan Bronslaw Malinowski, menggambarkan dua standar teori: Struktural fungsionalisme, yang menekankan pada keunggulan dari masyarakat dan menyusun para individu, dan bagaimana berbagai macam elemenfungsi struktur sosial untuk memelihara permintaan sosial dan keseimbangan. Dan Psikologi strukturalisme, yang mana menekankan pada kbutuhan individual untuk bertemu dengan masyarakat.
Kelemahan teori fungsional adalah gagalnya menjelaskan kenapa masyarakat itu berbeda atau justru memiliki kesamaan. Ontropolog fungsionalisme menganggap dunia tertib, memberi sedikit perhatian atau bahkan tidak memberi perhatian pada kompetisi dan konflik (Howard dan Dunaif-Hattis, 1992). Teori ini tidak berhubungan dengan sejarah, mengabaikan proses sejarah. (Scupin dan De Corse, 1995) teori ini juga tidak dapat menjelaskan perubahan sosial dan budaya, sebagaimana ia dulu memandang masyarakat sebagai sesuatu yang stabil dan tetap. meskipun memiliki kelemahan, teori fungsionalisme mempengaruhi perjanjian besar penelitian empirik dalam antropologi.
Explanation:
three constitutional limitations to the right to freedom of expression?
Answer:
(1)limitation must be within the constitutional power of government; (2) the limitation must further an important or substantial governmental interest; (3) the governmental interest must be unrelated to the suppression of the freedom of expression; and
………………………………………………………………….
whats with the dots ._.
If a human has an X and a Y chromosome pair, they are
Humans are not the only animals that pollute the air.
Please select the best answer from the choices provided
A. True
B. False
Answer: Its True
Explanation: Cows and othere animals burps acctually have a green house gas called methane that is acctually bad for the envirment.
Which clastic sedimentary rock is made of the smallest grains?
1) Conglomerate
2) sandstone
3) siltstone
4) shale
Answer:
Shale
Shale has the smallest grain size. Shale is made mostly of clay-sized particles and hardened mud.
Explanation:
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Which lists the correct order of evolutionary history?
crabs, jellyfish, reptiles
mammals, amphibians, crabs
vertebrate fish, crabs, mammals
jellyfish, reptiles, mammals
Answer:
jellyfish, reptiles, mammals
Explanation:
I took a test on edg in 2021
The lists in the correct order of evolutionary history is jellyfish, reptiles, mammals.
What is Evolution?
This is the process which involves the modification of structures in
organisms as a result of natural selection thereby making them more fit in
the environment.
The jellyfish has less complex and specialized and mammals has the most
which is why option D is the most appropriate.
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difference between enzyme and inorganic catalysts
Answer:
Enzymes catalyze a reaction which in presence of a catalyst proceeds the reaction faster. Inorganic catalysts promote a chemical reaction between many different reactants. Enzymes are proteinaceous in nature whereas inorganic catalysts are not proteinaceous in nature.
Explanation:
Which of the following statements about the use of synthetic polynucleotides in cracking the genetic code is true?
a) Particular codons are generated in predictable ratios with random RNA polymers containing specific ratios of different nucleotides.
b) Poly(A) RNA directs the synthesis of only polylysine in vitro.
c) Three different amino acids are incorporated into peptides when synthetic polymers of only one nucleotide are used to synthesize the RNA primer.
d) The codon table was completed by using RNA polymers of defined sequences.
Answer:
a) Particular codons are generated in predictable ratios with random RNA polymers containing specific ratios of different nucleotides.
b) Poly(A) RNA directs the synthesis of only polylysine in vitro.
d) The codon table was completed by using RNA polymers of defined sequences.
Explanation:
A polynucleotide molecule is defined as the biopolymer which is composed of thirteen nucleotide monomers or more monomers which is covalently bonded in the chain.
While using the synthetic polyneuclitide in the cracking of the genetic code, the translation of a [tex]\text{poly(A) RNA tail}[/tex] that results in synthesis of the poly-lysine in the lab.
Some of the particular codons are produced by some specific ratios of a different nucleotides. This can be present in the different RNA polymers. Codon table includes the RNA polymers that contains nucleotides in some specific ratios.
Thus, the options (a), (b) and (d) are correct.
what are the three strategies that the community could place to work with governmental structures to stop illegal dumping
Answer:
Illegal Dumping has gotten out of hand. According to the Los Angeles County Public Works, “People usually dump illegally to avoid collection and disposal fees, or because they believe proper disposal is just ‘too much trouble’.” This is very unfortunate for our communities who receive the negative consequences of higher taxes for cleanup, environmental hazards, and a breeding ground for rats.
The cost of a one-time cleanup and detoxing of an area can cost thousands of dollars. But to leave the mess is just not an option. The best option is to stop the illegal dumping before it happens, preventing the cost of cleanup, preventing the chemicals and toxins from entering the ground water, and preventing the rats and mosquitoes from breeding. The best areas to live are communities that care about their community! So, what can a community do to prevent illegal dumping?
Here are some key points to help deter illegal dumping:
Educate the public through the schools and through community awareness groups about the costs, chemical hazards and dangers incurred by illegal dumping
Create safe, public-friendly waste disposal options and advertise them
Create laws that impose stiff fines for the perpetrators and advertise these stiff fines
Use Illegal Dumping Cameras to catch the perpetrators in the act
Use Social Media to ask the public to identify the perpetrators
Follow through with quick clean up
These steps will invite the citizens to be involved and help deter the criminal activity of illegal dumping within your community.
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Reproduction is important for every type of living thing. Without it, species would die out. To ensure their survival, animals have developed unique adaptations to improve their chances of reproducing. Behavioral adaptations are behaviors an organism performs to help it survive. Structural adaptations are physical features that help an organism survive.
The image below shows two peacocks. The male peacock is large and brightly colored. The female peacock is not as colorful. The size and color of the male's feathers attract females. This is an example of a structural adaptation intended to help with reproduction. Another structural adaptation is when male deer grow large antlers to attract females. Animals also use behavioral adaptations to attract mates. For example, male frogs sing to attract females and male spiders dance to attract females.
Plants also have adaptations to help with reproduction. While animals use behavioral and structural adaptations to improve reproduction, plants only use structural adaptations. For example, brightly colored flowers attract butterflies. Certain flowers also have nectar or give off an odor to attract insects. Attracting butterflies and other insects is important because they play a role in reproduction by pollination.
Which of the following describes an adaptation that relates to reproduction?
A. Hawks have sharp beak to help them quickly catch their prey
B. Elks attach leaves and grasses to their antlers to help them appear larger
C. Polar bears have white fur to help them blend into their surrounding environment
D. Whales have a thick layer of fat called blubber
Answer:
B. Elks attach leaves and grasses to their antlers to help them appear larger
Explanation:
The above option is the correct answer.
As elks appear larger, it tend to make other male elks to be scared to fight that particular elk for a female elk. Also, the female elk becomes more attracted to larger male elk.
Male elk are known to actually retain their antlers for more than half the year. Such elks do not likely group themselves with other males when they have antlers.
What are the parts of the chloroplast? What does each part do?
what is a reasonable measurement for the distance across the milky way galaxy ?
Answer:
Between 100,000 and 150,000 light-years
Explanation:
According to BBC, "the Milky Way Galaxy is probably between 100,000 and 150,000 light-years across"
Biological concepts began with the Greeks,romans,Egyptians, or Americans?
Answer:
Egyptians
Explanation:
The earliest of roots of science, which included medicine, can be traced to ancient Egypt and Mesopotamia in around 3000 to 1200 BCE.[14][15] Their contributions later entered and shaped Greek natural philosophy of classical antiquity
The movement of organic materials(food) takes place through
A. Xylem
B. Vessels
C. Tracheids
D. Phloem
Explanation:
everything can be found in the picture
the correct answer is (D) = phloem
what kind of molecule is represented in the diagram?
Answer:
The answer is D, a nucleotide
Explanation:
Answer:
A carbohydrate or (carb)
Explanation:
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8. Why are the proteins produced by a GMO crop monitored and evaluated? O A. To determine whether the organism will cause an allergic reaction O B. To evaluate whether the Bt toxin is produced O C. To measure hormones present in dairy products O D. To examine the need for additional fertilizers
Answer:
C. To evaluate whether the Bt toxin is produced
Explanation:
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To determine whether the organism will cause an allergic reaction.
Proteins have roles as toxins, anti nutrients, or allergens, which have great impact on human health.What is GMO?A genetically modified organism (GMO) is an animal, plant, or microbe whose DNA has been altered using genetic engineering techniques.Bio fortified GM crops have been adopted, increasing micronutrient availability.GMO foods are as healthful and safe to eat as their non-GMO counterparts.Genetically modified organisms (GMOs) are produced using scientific methods that include recombinant DNA technology and reproductive cloning.To know more about GMO here
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The part of the atom that carries a negative charge is the _____, and the part that carries a positive charge is the _____.
neutron; proton
proton; neutron
neutron; electron
electron; proton
The part of the atom that carries a negative charge is the [tex]\sf\purple{electron}[/tex], and the part that carries a positive charge is the [tex]\sf\pink{proton}[/tex].
D. electron; proton ✅
The nucleus of an atom contains the protons, which are positively charged, and neutrons, having no charge. Their outermost region contain electrons, which are negatively charged.[tex]\bold{ \green{ \star{ \orange{Mystique35}}}}⋆[/tex]
Which of the following is not true regarding the establishment of a neuron's resting membrane potential?
a. Resting membrane permeability to Na+ is very low.
b. Ion pumps in the plasma membrane eject sodium ions as fast as they cross the membrane.
c. Electrical forces do not push sodium ions into the cell.
d. Chemical and electrical forces both favor sodium ions entering the cell.
e. The chemical gradient for potassium ions tends to drive them out of the cell.
Answer:
c
Explanation:
