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Answer:
We can determine if the solution is acidic or basic by using the pH scale. If the pH level fall from 0-6 (lower than 7), it is acidic. On the other hand if the solution fall from the scale higher than 7, it is basic. The pH level 7 means neutral. It is not acidic nor basic.
Related Questions
A control can be best defined as:
A) a variable that is kept constant in an experiment
B) an experiment where the final results are known ahead of time
C) a hypothesis that regulates the results of an experiment
D) an experiment that is undertaken both in the field and in the laboratory
E) a variable that changes during the course of an experiment
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Answer:
A) a variable that is kept constant in an experiment
The portion of the trna molecule that binds to the codon on the mrna is called the _________.
a) c-codon
b) anticodon
c) complementary codon
d) paracodon
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Which is a biotic factor?
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Answer:
a living organism that shapes its environment
Explanation:
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A crane has a sharp and pointed beak while the duck has a flat beak.Explain why
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Answer:
The crane has a sharp and pointed beak adapted for catching and grasping prey. The sharp beak allows the crane to effectively stab and pierce its prey, such as fish, frogs, or small animals. The pointed shape helps the crane to accurately target its prey and secure a firm grip.
On the other hand, the duck has a flat beak, which is better suited for its specific feeding habits. Ducks are primarily filter feeders, and their flat beak enables them to sift through water or mud to collect small organisms, insects, and plants. The flat beak acts like a sieve, allowing the duck to strain out food particles while retaining water.
The difference in beak shape between the crane and the duck reflects their distinct feeding strategies and ecological roles. Each species has evolved its beak shape to optimize its ability to capture and consume the specific types of food sources available in their respective habitats.
How could the call membrane then be important for homeostasis
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How has the atomic model changed over time ?
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Answer:
This atomic model has changed over time. Scientists used the model to make predictions. Sometimes the results of their experiments were a surprise and they did not fit with the existing model. Scientists changed the model so that it could explain the new evidence. The discovery of electrons. Atoms can be broken down into smaller parts.
Explanation:
44. Recombinant DNA is a newly generated DNA molecule containing DNA regionsfromA. different sources.B. RNA.C. only one source.
Answers
The answer is the letter A. Different sources
*Recombinant DNA is DNA molecules that came from two different species. These DNA molecules are inserted into a host organism producing new genetic combinations.
Describe how light energy is transformed into chemical energy during photosynthesis
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Answer:
Light energy is converted to chemical energy when a photochemically excited special chlorophyll molecule of the photosynthetic reaction center loses an electron, undergoing an oxidation reaction.
Explanation:
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Explain the link between climate change and population growth
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Answer:
when there are changes in climatic condition for example if the sun becomes to harsh ,unbearable and unfavorable this might cause certain population to migrate from their habitat to a more suiting one
What are the 3 domains and 6 kingdoms
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3 domains:
Bacteria, Archaea, Eukaryota.
6 kingdoms:
Protist, fungi, animalia, plantae, bacteria and archaea.
The three domains are Archaea, Bacteria, and Eukarya, and the six kingdoms are Archaea, Bacteria, Protista, Fungi, Plantae, and Animalia.
In biological classification, the three domains are the highest level of organization for categorizing living organisms. They represent broad groups based on fundamental differences in cell structure, biochemistry, and evolutionary history.
Archaea: This domain includes prokaryotic microorganisms known as archaea. They are distinct from bacteria and eukaryotes, and often live in extreme environments like hot springs, deep-sea vents, and salt flats. Archaea have unique molecular and genetic features that distinguish them from other organisms.
Bacteria: This domain consists of prokaryotic microorganisms called bacteria. They are found in a wide range of habitats and exhibit diverse metabolic capabilities. Bacteria play important roles in various ecological processes and have both beneficial and harmful impacts on humans.
Eukarya: This domain includes all eukaryotic organisms, which are characterized by having cells with a membrane-bound nucleus and other membrane-bound organelles. Eukarya encompasses a wide variety of organisms, including protists, fungi, plants, and animals.
The six kingdoms further classify organisms within the Eukarya domain:
Archaea: This kingdom consists of archaea, which are prokaryotic microorganisms that live in extreme environments.Bacteria: This kingdom includes bacteria, which are prokaryotic microorganisms found in various habitats.Protista: This kingdom encompasses diverse eukaryotic organisms that do not fit into other kingdoms. It includes unicellular organisms like amoebas, paramecia, and algae.Fungi: This kingdom comprises multicellular eukaryotic organisms that obtain nutrients through absorption. It includes organisms like mushrooms, yeasts, and molds.Plantae: This kingdom includes multicellular eukaryotic organisms that are capable of photosynthesis. It consists of plants, including mosses, ferns, gymnosperms, and flowering plants.Animalia: This kingdom encompasses multicellular eukaryotic organisms that are heterotrophic and capable of locomotion. It includes a vast array of animals ranging from sponges to insects, fish, birds, mammals, and humans.These domains and kingdoms provide a hierarchical framework for classifying and organizing the incredible diversity of life on Earth based on shared characteristics and evolutionary relationships.
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In a diploid species of plant, the genes for plant height and fruit shape are syntenic and separated by 18 m.u. Allele D produces tall plants and is dominant to d for short plants, and allele R produces round fruit and is dominant to r for oval fruit. The expected percentages of progeny phenotypes are listed below:
tall oval = 41%
short round = 41%
tall round = 9%
short oval = 9%
(a) What proportion are expected to be tall and produce round fruit?
Answers
In a diploid plant species, the proportion of progeny expected to be tall and produce round fruit is 32%.
In a diploid species of plant, the genes for plant height and fruit shape are syntenic and separated by 18 m.u. The expected percentages of progeny phenotypes are tall oval = 41%, short round = 41%, tall round = 9%, and short oval = 9%.To determine the proportion of progeny expected to be tall and produce round fruit, we need to consider the alleles for each trait. Allele D produces tall plants (dominant) and allele d produces short plants (recessive). Allele R produces round fruit (dominant) and allele r produces oval fruit (recessive).From the given percentages, we can deduce that tall ovals and short ovals combined make up 9%. Since tall oval is 41% and short oval is 9%, the proportion of progeny expected to be tall and produce round fruit is 41% - 9% = 32%.Therefore, the proportion of progeny expected to be tall and produce round fruit is 32%.For more questions on diploid plant
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Male and female ____ are brought together by _____ and result in fertilization.
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Answer:
ttyyyfuydyrueueyyeyryrrr
The interior of the phospholipid bilayer is _______ meaning it repels polar molecules, such as water
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The cell membrane's inside is hydrophobic, meaning that water won't cling to it. In order to effectively separate fluid inside the cell from fluid outside the cell, phospholipids form a two-layer cell membrane.
Why do polar molecules repelled by the phospholipid bilayer?Large hydrophilic polar or ionic molecules find it difficult to pass through the phospholipid bilayer. The cell membrane prevents the passage of any size charged atoms or molecules.
What component of the phospholipid bilayer is water-repellent?While the tails (the lipid component) are non-polar, the heads (the phospho part) are polar. The tails, which face the inside of the cell membrane, are "hydrophobic" (fearful of water), whereas the heads, which make up the exterior and inner linings, are "hydrophilic" (lovers of water).
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To which biomolecular group h2o belongs?
Answers
Answer: I believe its the symmetry group C2v
Explanation:
:)
100 POINTS AND BRAINLEST
You are an employee for an advertising agency representing a (made up) alternative energy company that wants to bring in new customers. Your task is to make an advertisement that includes the following features:
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company name: (yourname) energy
location: whatever city your home is
reasons: we will help you in any and every way we can
we are a very trustworthy business
we guarantee a refund if you're not satisfied
The state of a medium helps determine the speed of sound passing through medium
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True. The speed at which sound travels through a medium is determined by the properties of that medium.
What do you mean by sound?
Sound is a type of energy made by vibrations that travel through the air or another medium, like water. It is sensed by our ears and interpreted by our brains. Sound is made up of waves that have different frequencies, which determine the pitch and loudness of a sound.
Factors such as temperature, pressure, composition, and density can all affect the speed of sound in the medium. For example, sound travels faster through warmer air than through colder air, and faster through denser materials than through less dense materials.
Hence, the statement is True.
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Complete question:
The state of a medium helps determine the speed of sound passing through medium.
State True or False.
When jaw become large enough to hold the permanent teeth . The milk teeth fall and permanent teeth appear
Answers
The "exfoliation" or "shedding" of milk teeth is the name of the procedure.
What is the Dentition of Humans?The primary and permanent tooth sets make up the human dentition. Maxillary (upper) and Mandibular (lower) are the two opposing arches in which teeth are arranged. These can be split into their left and right halves along the midline (mid-sagittal plane).
Four Different Teeth Types and Their Purposes
The majority of individuals have 32 permanent adult teeth, which can be classified into four groups:
Incisors, Canines, Premolars, and Molars.Learn more about Dentition here:
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Glucose is a large molecule that comes into the cell, where there are high levels of glucose outside our cell and low concentrations inside our cell. Which type of cell transport would glucose use to travel across the cell membrane?
Simple Diffusion
Osmosis
Facilitated Diffusion
Active Transport
Answers
Answer:
2345rtyhjnbvcdfgvsdfg
Explanation:
A front refers to?HURRY
Answers
Answer:
A. Where to air masses meet
Explanation:
Answer:
A. the location where two air masses meet.
Explanation:
e Sciences NSC MDE/June In certain plants, an oval shape is dominant (H) over round shape (h) and thick cell walls (B) are dominant over thin (b) A cross was carried out between two heterozygous plants for both characteristics. 2.3.1 Give the: (a) Allele for round shape.
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The allele for round shape in this case would be lowercase 'h' (h), as it is recessive to the dominant oval shape allele (H).
In this scenario, the dominant allele for oval shape is represented by 'H,' while the recessive allele for round shape is represented by 'h.' Since the oval shape is dominant, an individual with one copy of the dominant allele (H) and one copy of the recessive allele (h) will display the oval shape phenotype. The round shape phenotype will only be expressed when an individual carries two copies of the recessive allele (hh). In the given cross between two heterozygous plants (Hh), there is a 25% chance of producing offspring with the round shape phenotype if both parents pass on their recessive allele (h) to the offspring.For more such questions on Allele:
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Study the reactions below:
1. PEP + ADP → Pyruvate + ATP ∆G = -14.8 kcal/mol
2. ATP + H2O → ADP + Pi ∆G = -7.3 kcal/mol
3. Glutamic acid + NH3 → Glutamine ∆G = +3.4 kcal/mol
Which reaction is non-spontaneous?
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The spontaneity of a reaction is determined by the change in Gibbs free energy (∆G) of the reaction. If ∆G is negative, the reaction is spontaneous (i.e., it can occur without an external input of energy), whereas if ∆G is positive, the reaction is non-spontaneous (i.e., it requires an external input of energy to occur).
From the given reactions:
PEP + ADP → Pyruvate + ATP ∆G = -14.8 kcal/mol (Negative ∆G)ATP + H2O → ADP + Pi ∆G = -7.3 kcal/mol (Negative ∆G)Glutamic acid + NH3 → Glutamine ∆G = +3.4 kcal/mol (Positive ∆G)We see that reactions 1 and 2 both have negative ∆G values, indicating that they are spontaneous reactions. However, reaction 3 has a positive ∆G value, indicating that it is a non-spontaneous reaction.
Therefore, reaction 3 (Glutamic acid + NH3 → Glutamine) is the non-spontaneous reaction among the given reactions.
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How do we conserve and protect biodiversity?
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Protecting and conserving biodiversity is important because our life is an interconnecting web and has a domino effect if a certain species go extinct. Biodiversity is an important indicator that we have a healthy ecosystem.
We can protect and conserve biodiversity by preventing deforestation, proper utilization of resources, and preventing the poaching and hunting of animals mainly the wildlife because this might lead to extinction. The natural habitat of flora and fauna should remain protected. Humans should also practice discipline such as proper waste segregation because it will also affect our ecosystem.
When large masses of magma solidify far below Earth’s surface, they form igneous rocks that have a _____.
Answers
Answer:
coarse-grained texture
Explanation:
Igneous rocks come from magma of volcanos and they cool and end up becoming hard. A perfect example of this is granite, which contains a lot of minerals such as quartz and feldspar. Igneous rocks contain a lot of minerals hence why they have a coarse-grained texture.
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Farming techniques such as slash and burn, could result in ___ if the land is not left to fallow long enough.
Word choices are:
Deforestation
Creep
Mudflows
Top soil
Salinization
Soil depletion
Answers
Farming techniques such as slash and burn could result in soil depletion if the land is not left to fallow long enough. Slash and burn agriculture involves cutting down and burning vegetation to clear land for farming. If the land is not left to fallow for a sufficient amount of time, the soil can become depleted of nutrients, making it less fertile and less productive for farming.
MARK ME BRAINLEISTSimilarities and differences between Archaeopteryx and birds
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Answer:
Unlike modern birds it had a full set of teeth, a long bony tail and three claws on its wing which may have been used for grasping branches. It lacked the fully reversed toes which enable many modern birds to perch. However, Archaeopteryx did have a wishbone, wings and asymmetrical 'flight' feathers, like a bird.
Which fraction represents 25% of the offspring in a genetic cross?
Answers
Answer:
1/4
Explanation:
1/4 is 25℅ of 100. so you just divide 100
Answer:
1/4
Explanation:
Each 4th is 25%
Describe the impact of technology on the environmental today
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Explanation:
Other detrimental effects include diseases such as typhoid and cholera, eutrophication and the destruction of ecosystems which negatively affects the food chain. Resource depletion is another negative impact of technology on the environment. It refers to the consumption of a resource faster than it can be replenished
A Potassium-Argon
(K-Ar) age measures which of the following
the time since last cooling below the gas retention temperature - Potassium is the gas
the time since last cooling below the gas retention temperature - Argon is the gas
the time since the tree containing the Potassium died
the time since crystallization of a mineral containing Potassium
Brouiquc
Answers
A Potassium-Argon (K-Ar) age measurement is a dating technique used in geochronology to determine the age of rocks and minerals. It relies on the radioactive decay of potassium-40 (K-40) into argon-40 (Ar-40) over time. The correct answer to the given question is (D) The time since crystallization of a mineral containing Potassium.
When a mineral containing potassium crystallizes, it starts accumulating K-40. Over time, K-40 decays into Ar-40. By measuring the ratio of K-40 to Ar-40 in a mineral sample, scientists can estimate the time elapsed since the mineral's crystallization.
The process of crystallization occurs when molten rock, or magma, cools and solidifies. During this crystallization process, minerals with potassium incorporate the K-40 isotope into their crystal lattice. From that point forward, the K-40 atoms in the mineral begin to decay, producing Ar-40 as a byproduct. By comparing the amounts of K-40 and Ar-40 in a mineral, scientists can calculate the age of the mineral.
It is important to note that the K-Ar dating method is most suitable for dating minerals that have formed from volcanic activity or have been subjected to high temperatures. The technique is commonly used to date rocks and minerals in the range of thousands to billions of years old.
In summary, a Potassium-Argon age measurement determines the time since the crystallization of a mineral containing potassium. It relies on the accumulation of potassium-40 and the subsequent decay into argon-40 in the mineral over time. This dating method provides valuable insights into the age and geological history of rocks and minerals.
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Why is carbon the first element of life?
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Answer:
Explanation:
The main reason that life on Earth is carbon-based is because of the unique properties of the carbon atom. Carbon atoms can form strong bonds with other atoms, including other carbon atoms, which allows for the formation of complex molecules like DNA and proteins. Additionally, carbon atoms are relatively small, which makes them ideal for forming the millions of intricate chemical bonds and reactions that are necessary for sustaining life.
what happens when fats are bieng oxidised
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Answer:
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Fats are digested through conversion into free fatty acids, which are stored in a form known as triglycerides in the adipose tissue. ... In the mitochondria, the fatty acids are oxidized in the process that creates adenosine triphosphate (ATP), the energy-producing fuel.
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