The superior border of the ear lies on the same transverse plane as the
Answers
The superior border of the ear lies on the same transverse plane as the eyebrows. This means that if you were to draw an imaginary line across the forehead, it would intersect with the superior border of the ear.
The ear is a complex structure that sits on the side of the head, and its superior border is just one aspect of its anatomy. The transverse plane is a horizontal plane that divides the body into upper and lower sections. It is used to describe the position of various structures in the body, including the ear. The superior border of the ear is the top edge of the ear, which runs along the curve of the auricle. The anatomy of the ear is important for various reasons, including diagnosing and treating ear-related conditions.
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Related Questions
Is Helicase functional in elongation?
Answers
Answer:
Proteins with seven conserved "helicase domains" play essential roles in all aspects of nucleic acid metabolism. ...
Explanation:
Known or putative helicases are required for general transcription initiation and for transcription-coupled DNA repair, and may play important roles in elongation, termination, and transcript stability.
if anyone knows an answer please help!
1. What do enzymes do?
2. What macromolecule are enzymes made from?
3. Why are enzymes like "keys"?
4. What is a substrate?
Answers
Answer:
1 - Enzymes help create/speed up chemical reactions in the body.
2 - Enzymes come frome proteins.
3 - Enzymes are one of the very few molecules that can allow the binding of molecules that can fit in there active site.
4 - A substrate is the surface on which an organism lives.
Select the correct answer.
What is the benefit of an uneven production of gametes in oogensis?
Answers
Answer:
I'm not sure: To have children,
and produce sperm
Explanation:
It is the process of producing female gametes and called the creation of ovum
the benefit of an uneven production of gametes in oogensis is
One haploid cell receives the majority of the nutrients from the cytoplasm
so I conclude option A is correct
hope it helps
How can changes in trophic levels affect an ecosystem’s health and stability?
Answers
Answer:
Changes in the basal levels that are on the bottom of the food chain.
Explanation:
Trophic levels are represented by steps in the food chain. In a simplified diagram, the first basal level is represented by primary producer organisms that include plants and algae. The herbivores are localized in the second place, while in the final levels it is possible to find carnivores and predatory species. It is well known that the changes in the basal trophic levels of this chain (i.e., changes in the first and the second levels) may alter the equilibrium of the food chain and consequently have effects on the stability of the ecosystem.
if oncogenes are______,cancer can result
Answers
How is binary fission in prokaryotic organisms similar to and different from mitosis and cytokinesis in single-celled eukaryotic organisms?
Plzz Help so confused. due today !!!!
Answers
Answer:
In binary fission the organism divides itself into two through the nucleus and in mitosis, the parent cell divides into two daughter cells
Fluorine uranium carbon potassium bismuth technetium helium sulfur germanium thulium oxygen yttrium
Answers
The list of elements in the question comprises the periodic table of elements. It consists of the basic elements that exist in the universe. It comprises the simplest type of chemical substance, such as oxygen, which is essential for breathing. Fluorine is a highly reactive non-metallic element, Uranium is a silvery-grey metal that is denser than lead.
Carbon is a non-metallic chemical element with atomic number 6, Potassium is a silvery-white metal that is soft and easily cut, Bismuth is a chemical element that has a low melting point, Technetium is a metal that has a silver-gray appearance, Helium is a colorless and odorless gas that is non-toxic.
Sulfur is a yellow non-metallic element, Germanium is a metalloid that has a grayish-white appearance, Thulium is a chemical element that is the least abundant of the rare-earth elements, and Yttrium is a metal that is similar to aluminum but is more ductile and malleable.
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TRUE/FALSE. adna evidence supports speculation that hybridization occurred between modern humans and neanderthals/denisovans.
Answers
DNA evidence lends credence to the idea that modern people and Neanderthals have hybridized.
Explain about the DNA?A molecule that can be found inside cells and which contains the genetic material needed for an organism to grow and perform. DNA molecules allow for the transmission of this knowledge from one generation to the next.DNA, commonly referred to as deoxyribonucleic acid, is how humans and nearly all other organisms carry their genetic information. Almost every cell in a person contains their unique DNA.A molecule called DNA contains the biological code that gives each species its distinctiveness. During reproduction, mature organisms pass on their DNA and the instructions it contains to their offspring.The linear molecule is composed of four different types of smaller chemical molecules known as nucleotide bases: adenine (A), cytosine (C), guanineTo learn more about DNA refer to:
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All of the following may be found in the walls of the respiratory bronchi except:
A. Smooth muscle
B. Surfactant-producing glands********
C. Goblet cells
D. Ciliated cells
Answers
Respiratory bronchi are the smallest branches of the bronchial tree and are responsible for transporting air to the respiratory zone of the lungs. "Surfactant-producing glands," is the correct answer to this question.
They differ from terminal bronchioles in that they contain alveoli in their walls. All of the following may be found in the walls of the respiratory bronchi except surfactant-producing glands. The respiratory bronchioles have smooth muscle, ciliated cells, and goblet cells in their walls.
The respiratory bronchi are the first set of tubes that carry air into the lungs. The respiratory bronchioles are the tiniest and final branches of the bronchial tree, with the alveoli contained within them. Therefore, the option B, "Surfactant-producing glands," is the correct answer to this question.
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what would happen if the Krebs cycle was interrupted?
Answers
In a scenario where Krebs cycle was interrupted, there will be an inhibition of normal energy production in the organism.
What is Kreb's cycle?This is also known as citric acid cycle and it is the series of chemical reactions which releases stored energy through the oxidation of acetyl-CoA which are derived from biomolecules such as carbohydrates, fats, etc.
In a situation whereby Kreb's cycle is interrupted then there will most likely be an inhibition of normal energy production and results in various types and range of metabolic disturbances due to insufficient energy being available to ceklls fir their optimal functioning.
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Hi can someone please help me with this!!
Answers
Section A;
Hypothesis - If birds seed A is used then more cardinals are attracted.
Prediction - Bird seed A attracts cardinals the most
Section B;
Hypothesis - If a chemical spray is used, then the number of mosquitoes decreases
Prediction - Chemical sprays are the most effective mosquito repellants
Section C;
Hypothesis - If snickers candy is used, then kids are happiest
Prediction - Snickers candy makes kids happiest
What is an experiment?An experiment is an interlay of variables- the independent variable and the dependent variable. The independent variable is the variable that we have to manipulate in the experiment while the dependent variable is the variable that changes as we change the independent variable.
Let us now try to write the hypothesis in each case;
Section A;
Hypothesis - If birds seed A is used then more cardinals are attracted.
Prediction - Bird seed A attracts cardinals the most
Section B;
Hypothesis - If a chemical spray is used, then the number of mosquitoes decreases
Prediction - Chemical sprays are the most effective mosquito repellants
Section C;
Hypothesis - If snickers candy is used, then kids are happiest
Prediction - Snickers candy makes kids happiest
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Which of the following is a direct negative consequence of aquaculture?
Multiple choice question.
A)
Intensive production of food organisms
B)
Job security for workers
C)
Production of biofuel
D)
Relieving fishing pressure on overfished species
E)
Decomposition of fecal matter causes oxygen depletion in water
Answers
Can a fetus be removed?
Answers
The answer is yes. You can remove fetus by surgical abortion treatment.
What is surgical abortion?Surgical abortion define as a procedure which ends an unwanted pregnancy by removing the placenta and fetus from the uterus (mother's womb). Surgical abortion is different from miscarriage. Miscarriage define as a condition when a pregnancy ends before the 20th week of pregnancy by its own. As to reminder, surgical abortion has to operate by the expert or several serious side effect will occur, such as:
Heavy bleeding Infection to female reproductive organdamage the womb that can cause infertilityLearn more about surgical abortion here
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which of the following is not a zoonosis? puerperal sepsis hantavirus infection anthrax brucellosis tularemia
Answers
Among the given alternatives, puerperal sepsis is not a zoonosis. So, the First option is correct.
Puerperal sepsis is not a zoonosis. It is an infection that occurs in women after giving birth, usually as a result of bacteria entering the uterus. The other four diseases listed are zoonoses, meaning they are infectious diseases that can be transmitted from animals to humans.
Hantavirus infection is caused by rodents, such as mice and rats.Anthrax can be contracted by handling infected animals or their products.Brucellosis is typically transmitted through contact with infected animals or their secretions, such as milk.Tularemia, also known as rabbit fever, is a bacterial infection that can be transmitted through contact with infected animals, such as rabbits and rodents.To know more about Puerperal sepsis
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These plants have free-living gametophytes and free-living sporophytes. The sporophyte generation is dominant and larger than the gametophyte generation. There is one type of spore, and the gametophyte generation grows outside of the spore wall. Which plant or plants am I describing? (SELECT ALL THAT APPLY) 000000000 Ferns Cycads Selaginella Lycopodium Conifers Ginkgo Hornworts Mosses Angiosperms 3 pts Liverworts
Answers
The correct answers are: Ferns, Hornworts, Mosses, and Liverworts.
The plants that fit the given description are:
Ferns: Ferns have free-living gametophytes and free-living sporophytes. The sporophyte generation is dominant and larger than the gametophyte generation. Ferns produce one type of spore, and the gametophyte generation grows outside of the spore wall.Horworts: Hornworts also have free-living gametophytes and free-living sporophytes. The sporophyte generation is dominant and larger than the gametophyte generation. Hornworts produce one type of spore, and the gametophyte generation grows outside of the spore wall.Mosses: Mosses have free-living gametophytes and free-living sporophytes. The sporophyte generation is dominant and larger than the gametophyte generation. Mosses produce one type of spore, and the gametophyte generation grows outside of the spore wall.Liverworts: Liverworts also have free-living gametophytes and free-living sporophytes. The sporophyte generation is dominant and larger than the gametophyte generation. Liverworts produce one type of spore, and the gametophyte generation grows outside of the spore wall.Therefore, the correct answers are: Ferns, Hornworts, Mosses, and Liverworts.
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Which statement best summarizes describes cell theory?
A) Living things can form from cells or other materials.
B) All living things are made up of cells that can come from non-living matter.
C) Not all living things are made from cells, and some animal cells come from plants.
D) All living things are made up of cells, and each cell comes from another living cell.
Answers
Answer:
d
Explanation:
just took the quiz
All living things are made up of cells, and each cell comes from another living cell.
What is cell theory?Schwann and the kids explained the concept of the cell. The foundation of life, according to cell theory, is the cell. It is the basic building block of life.
This idea states that cells develop from existing cells. Every living thing descends from a different live cell.
It was established by the middle of the nineteenth century. In both unicellular and multicellular organisms, it is the fundamental unit.
Therefore, All living things are made up of cells, and each cell comes from another living cell.
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PLEASE HELP!!
Which statement describes how nuclear fusion and nuclear fission differ?
Answers
Answer:
The main difference is that fission is the splitting of a heavy, unstable nucleus into two smaller nuclei, while fusion reactions involve combining two light nuclei together.
(c) Joseph puts a small amount of water into a flat dish in Diagram 1.
Diagram 1
He then leaves the dish outside in the warm sunshine. After a while the water disappears. Explain what happens to the water particles.
Answers
How many molecules of ATP are pro
duced by substrate-level phosphorylation from one turn of the Krebs cycle?
Answers
Answer:
1 mole of ATP per Krebs cycle
Explanation:
it's produced when
succinlycoa ---> succinate
( succinlycoa dehydrogenase)
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If the nuclear DNA in the sample is degraded, mtDNA can be used, but it cannot be linked to an exact person.
True
False
Answers
Answer:
True
Explanation:
I, myself, took this class and got this question correct.
Answer:
true
Explanation:
mtDNA dosent contain enough information to find one person
What is mean by photosynthesis?
Answers
Answer:
the process by which green plants and some other organisms use sunlight to synthesize nutrients from carbon dioxide and water.
Hey there!
Photosynthesis is the reaction that converts light energy to chemical energy in sugar and carbohydrates. Humans can't eat sunligh, so we eat the plants. Plants convert the energy in the sunlight into chemical energy using chlorophyll. Chlorophyll is a molecule produced by plants, algae and cyanobacteria, which aids in the conversion of light energy into chemical bonds. It is the reen pigment found in the chlorookasts of higher plants. They are a part of our ecosystem, and they are lower on the food chain.
Hope this helps! I promise I did not copy or anything like that from the internet.
Have a great day! :)
Which of the following is involved in maintaining lysogeny in phage λ? PRE PRO PRM PRL
all of the choices are correct.
Answers
All of the choices, PRE, PRO, PRM, and PRL, are involved in maintaining lysogeny in phage λ.
What is lysogeny?
Lysogeny is a stage in the life cycle of temperate bacteriophages in which the virus's genome is integrated into the host cell's chromosome rather than being expressed immediately upon infection. It's also called the lysogenic cycle, and it's a period of dormancy in which the viral genome is replicated in sync with the host cell's genome, rather than killing the host cell.The maintenance of lysogeny in phage λ involves PRE, PRO, PRM, and PRL:PRE (promoter for repressor establishment) and PRM (promoter for repressor maintenance) are involved in controlling the expression of the cI gene. cI encodes for a repressor protein that controls the lysogenic cycle of phage λ.PRO (promoter for replication and maintenance of the prophage) controls the expression of a number of genes that are required for phage λ DNA replication and prophage maintenance.PRL (promoter for late transcription) is a promoter that is essential for the transcription of late genes during the lytic phase of the phage life cycle.
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The active site of an enzyme (mark ALL that apply}: changes to conform to the substrate: is compatible with many different substrates; depending on the situation lasts only long enough to catalyze only one reaction: is the part that binds to the substrate: is the part that is permanently altered by the reaction:
Answers
The active site of an enzyme changes to conform to the substrate and is the part that binds to the substrate.
Both these statements are true regarding the active site of an enzyme. The active site of an enzyme is the portion of an enzyme molecule that binds substrates, where the chemical reaction occurs. As the substrate approaches the enzyme, the active site changes its conformation to accommodate the substrate's shape.
The substrate molecules are then held in place by various non-covalent interactions such as hydrogen bonding, electrostatic interactions, and van der Waals interactions. The specificity of the active site guarantees that only particular substrates will fit properly into it. This specificity is mainly determined by the enzyme's tertiary structure.
The following statements are false regarding the active site of an enzyme: It is compatible with many different substrates. Depending on the situation, it lasts only long enough to catalyze only one reaction. It is the part that is permanently altered by the reaction.
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Doctors finally understood why a child had difficulty sleeping. They discovered that she had a large tumor located in the part of her hindbrain called the _____
Answers
Answer:
The correct answer is - Pons.
Explanation:
The pons is located t below the midbrain and below the midbrain. It is a group of nerves that function as a connection between the cerebrum and cerebellum.
It is related to the various functions of the body such as sleeping, respiration, swallowing, bladder control, hearing, and many more. These functions
please answer ill give brainliest :)
Answers
Answer:
it's vertebrate because it's a mammal.
D Eso creo, lo siento si me equivoco
“Water covers 75 percent of Earth. 97 percent of water on Earth is salt water. Only 3 percent of water is available as fresh water, but most of this water is locked up in solid glaciers and polar ice caps.” Based on this information, which is the best approximation of the amount of water on the planet that is available for animals to drink? 1 percent 3 percent 10 percent 75 percent
Answers
Answer:
Only about 1%
Explanation:
According to the given condition, the earth is comprised of nearly 75% of water and only 25% of land.
Out of this total amount of water on earth, the water in the oceans and seas makes up 97% of it that are saline and not good for drinking purpose. The remaining 3% of water includes the fresh water such as the glaciers and ice caps on earth, groundwater and others.
Out of this total fresh water, only about 1% of water is available for drinking, which covers significantly very less amount of water on the entire earth.
33. Some power plants produce energy by burning coal. In these power plants, the heat from
burning that
occur when burning coal and boiling water?
A Burning coal and boiling water are both physical changes.
B. Burning coal and boiling water are both chemical changes.
C. Burning coal is a chemical change, and boiling water is a physical change.
D. Burning coal is a physical change, and boiling water is a chemical change.
Answers
In power plants that burn coal, the process involves two distinct phenomena: the burning of coal and the boiling of water. The correct answer is C.
The burning of coal is a chemical change. It involves the combustion of coal, which is a reaction between the carbon in coal and oxygen from the air. This chemical reaction releases heat energy as well as byproducts such as carbon dioxide, water vapor, and various pollutants.
On the other hand, the boiling of water is a physical change. It occurs when heat is applied to water, causing it to change from a liquid state to a gaseous state (water vapor) through the process of vaporization. Boiling water does not involve any chemical reactions or changes in the composition of the water molecules.
Therefore, the correct answer is C. Burning coal is a chemical change, and boiling water is a physical change. It is important to understand the distinction between chemical and physical changes when studying the processes involved in power generation from coal.
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Three presynpatic neurons, X, Y and Z, synapse on a postsynaptic neuron via a chemical synapse. Draw out this situation. When presynaptic neuron X is stimulated, the postsynaptic cell membrane becomes slightly depolarized. When presynaptic neuron Y is stimulated, the postsynaptic cell membrane becomes slightly hyperpolarized. When presynaptic neuron Z is stimulated, the postsynaptic cell becomes more positive
Answers
The synapse between neuron X and the postsynaptic neuron is most likely a cholinergic synapse. Neurotransmitters from neuron X bind to the postsynaptic membrane receptors that are connected to sodium channels. Positive sodium ions(Na+)enter the cell but are not enough to make the membrane potential reach the threshold. This is an excitatory synapse.
The synapse between neuron Y and the postsynaptic neuron is an inhibitory synapse. The most common inhibitory neurotransmitter is GABA(Gamma amino butryric acid). When GABA binds to the postsynaptic receptor, chlorine channels are open. Chlorine(Cl-) is an anion that is negatively charged. When chlorine enters the cell it makes the potential go below the resting membrane potential.
The synapse between neuron Z and the postsynaptic neuron has pretty much the same mechanism as the synapse between neuron X and the postsynaptic neuron but more sodium ions enter the cell so an action potential can be generated.
Arrows have different meanings in different contexts in biology. Which phrase does the best job of describing the meaning of the arrows in this model? O a feedback loop Nest the flow of energy and nutrients the transformation of one thing to another O movement of an organism through space O the passage of time
Answers
Among the given options, the phrase that best describes the meaning of the arrows in this model is "The flow of energy and nutrients".
In biology, arrows are often used to represent the directional movement or transfer of energy and nutrients within biological systems. These arrows indicate the flow of energy from one organism to another, or the movement of nutrients through various trophic levels in food webs or metabolic pathways.
They depict the direction of energy transfer or the movement of molecules, emphasizing the interconnectedness and dynamic nature of biological processes. Therefore, "The flow of energy and nutrients" is the most appropriate phrase to describe the meaning of the arrows in this context.
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complete Question:
Arrows have different meanings in different contexts in biology. Which phrase does the best job of describing the meaning of the arrows in this model?
A feedback loopThe flow of energy and nutrientsThe transformation of one thing to anotherMovement of an organism through spaceThe passage of timeWhy might lymph nodes swell if a person has an infection?
Answers
Answer:
more blood cells come to that area to ward off infection
Explanation: