Answer:
at the heart
Explanation:
hope this helps ya
I need help please ASAP?!!!!!
Answer: Here is the answer ^^
Explanation: I have my ways ;>
Among molluscs, which of the following traits is associated with cephalization? A) a complete gut B) segmentation C) active predation D) radial symmetry
Among molluscs. the trait associated with cephalization is active predation.
Thus, the correct option is C.
What is cephalization?Cephаlizаtion is the process in аnimаls by which nervous аnd sensory tissues become concentrаted in the "heаd." The evolution of а heаd аllows scientists to distinguish between the heаd end, or аnterior end of аn аnimаl's body, аnd the opposite end, the posterior. Аlthough cephаlizаtion is аssociаted primаrily with bilаterаlly symmetricаl species, even some of the more primitive, rаdiаlly symmetricаl аnimаls show some degree of cephаlizаtion.
All of the members of the mollusc phylum displаy bilаterаl symmetry. So, among molluscs, the trait associated with cephalization is active predation. Because generаlly molluscs do not hаve cephаlizаtion but certаin members gаined this trаit due to their аctive predаtory lifestyle.
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. Predict which of the following compounds are ionic and which are covalent, based on the location of their constituent atoms in the periodic table:
(a) Cl2CO (b) MnO (c) NCl3 (d) CoBr2 (e) K2S
Based on the location of the constituent atoms of the given compounds in the periodic table:
(a) Cl₂CO is a covalent compound
(b) MnO is an ionic compound
(c) NCl₃ is a covalent compound
(d) CoBr₂ is an ionic compound
(e) K₂S is an ionic compound
What are ionic and covalent compounds?Ionic compounds are compounds that are formed from the electrostatic attraction between two oppositely charged ions. The ions are formed as a result of one element in the compound giving out electrons while the other accepts the electrons.
Ionic compounds formed between metals and non-metals.
Covalent compounds are formed when atoms of very close or similar electronegativities share electrons between their atoms. Covalent compounds are formed between non-metals or metalloids.
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Can someone answer all the questions?!! Please !!!!
1. The organisms in the community that is autotrophic are green plants.
2. The organisms in the community that are heterotrophic include insects, worms, carp, etc.
3. A food chain in order using any five organisms selected from the food web is given below:
Green plants ---> insects ---> sunfish --> bass ---> Heron
4. Suppose fishermen catch a large number of bass, the sunfish population will increase because their natural predator population has reduced.
5. If insecticides decrease the insect population, the turtle population will decrease because they would have limited food sources.
6. If the number of worms and crayfish is decreased, the frog population will decrease because the frogs depend on the worms and crayfish for food.
What are autotrophic organisms?Autotrophic organisms are organisms that are producers in a food web or food chain.
Autotrophic organisms are able to use chemicals to manufacture food using various energy sources. Some types of autotrophs are plants.
Plants are the primary autotrophic organisms in many food webs.
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A gorilla eats 13,000 calories of energy a day4,000 calories are lost as bodily waste 3,000 calories are converted to heat metabolism What PERCENT of the Calories eaten are used to biomass growth by the gorilla. (Round to the nearest tenth place. (Example 0.134=0.13)
The percentage of calories converted to biomass growth is 46.15%.
What percentage of the calorie intake of the gorilla is converted to biomass?Biomass is the biological mass of an organism consisting of the body parts and structures found in the organism.
A percentage of the energy intake of organisms is converted to biomass while the rest is converted to waste and/or is lost as heat energy.
The percentage of the calorie intake of the gorilla converted to biomass is calculated as follows:
Percentage of calories converted to biomass = (energy converted to biomass/ total energy intake) * 100%
The energy converted to biomass = 13000 - 4000 - 3000
The energy converted to biomass = 6000 calories
Percentage of calories converted to biomass = 6000/13000 * 100%
Percentage of calories converted to biomass = 46.15%
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Label A
DONE
Label B
DONE
Label C
DONE
Label D
DONE
Answer:
A: nucleus
(cant see the rest of the image so, the green circle at the top right of the image is a peroxisome, the line closest to A is either a nuclear envelope or nuclear pore, im not sure about the last one but my best guess is, centriole
Explanation: meh, i like bio
Fish and shell fish production advantage?
explain a nervous impulse
The term "action potential" also refers to the nerve impulse. It speaks of the electrical signal that an activated neuron sends out. Afterward, synapses, or connections between the cells, send this signal.
What is a nervous impulse?The term "action potential" also refers to the nerve impulse. It speaks of the electrical signal that an activated neuron sends out. Afterward, synapses, or connections between the cells, send this signal.
A neuron is in a resting state when it is not actively delivering a nerve impulse, ready to do so at any time. The sodium-potassium pump keeps a differential in charge across the neuron's cell membrane while it is at rest.
The sodium-potassium pump is an active transport system that transports potassium ions (K+) into cells and sodium ions (Na+) out of cells. Using energy from ATP and carrier proteins in the cell membrane, the sodium-potassium pump transports both ions from regions of lower to greater concentration.
The resting potential is an electrical gradient that results from these concentration changes across the cell membrane. Nerve impulse transmission requires precise control of membrane resting potential.
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When an organism’s ecosystem experience a disruption of some kind ,the organism may respond in one of three ways, which are?
A natural disaster, the neighborhood experiences ecological succession and reverts to its pre-event condition. Ecosystems will recover since there have been natural disasters on earth for a very long period.
How can an ecology that has been damaged be repaired?Helping the recovery process can be as easy as getting rid of an invasive species, reintroducing a lost species, or restoring a lost function (like fire); or it can be as complex as changing the hydrology, planting vegetation, or changing the landforms.
What is a disruption, exactly?The invention of personal computers and, later, cellphones are two examples of new-market disruption mentioned in Disruptive Strategy. Together, they show how disruptors develop into incumbents who can be overthrown by fresh innovation.
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Ahmad is explaining to his classmate Liza that home-conservation of water is the most important way to address water stress and water scarcity. Liza however disagrees and explains to Ahmad that large-scale agriculture strategies are also needed. She continues to outline specific agriculture strategies that are important. What is one of those strategies?
A.limit water for animal consumption
B. smart irrigation systems
C. limit dam development
D. develop fertile soil
Answer:
The answer is B smart irrigation
Explanation:
Because I got it right on Edmentum
what major part of a typical food chain is more or less missing from the galapagos islands
One of the major food chain missing in galapagos Islands are nutritious food such as fruits and vegetables and this may be blame due to climate change.
What is food chain?Food chain can be defined as transfers of matter and energy in the form of food from organism to organism. Most food chains start with green plants making food energy from the sun then an animal eats the plant and another animal eats that animal.
There are 2 types of food chains:
Grazing food chain Detritous food chain.Therefore most of the major food chain with less missing in galapagos islands are nutritious food such as fruits and vegetables and this may be cause due climate change.
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Which of the following is NOT. A result of the Krebs cycle?
A.) The yield of 3 NADHs and 1 FADH2s per pyruvate
B.) The exhalation of remaining CO2 from the breaking down of citric acid
C.) The yield of 19 ATP Molecules per pyruvate, or 38 per glucose.
D.) The production of the building blocks for the electron transport chain
Answer:
the answer is D thats what it says
Slides: Are there striations across the width of the muscle cells? Number of Nuclei? What are the size, shape, and arrangement of fibers? What function occurs as a result of the contractions in the selected muscle? (see page 3 of the lesson) What is the relationship between structure and function in the selected muscle? (see page 3 of the lesson)
Muscle - Human Cardiac
Intestines - Outer Wall Detail (smooth muscle)
Slide 1: Muscle- Skeletal Longitudinal Section
and
Slide 2: Muscle-Skeletal Cross Section
Answer:In slides 1 and 2, the muscle cells are skeletal muscle cells, which are known for their characteristic striations. These striations are visible when looking at the cells in both a longitudinal and cross-sectional view, indicating that the striations run across the width of the muscle cells.
Number of Nuclei:
Skeletal muscle cells typically have multiple nuclei, which are visible in both slides 1 and 2. The number of nuclei in a skeletal muscle cell can vary, but it is typically between 1 and 20.
What are the size, shape, and arrangement of fibers?
In slides 1 and 2, the fibers of the skeletal muscle are elongated and cylindrical in shape. They are arranged in parallel bundles, with the fibers running parallel to each other. The size of the fibers can vary, but they are typically between 10 and 100 micrometers in diameter.
What function occurs as a result of the contractions in the selected muscle?
The function of skeletal muscle is to produce movement. When the skeletal muscle fibers contract, they shorten and pull on the bones they are attached to, causing movement at the joints. This is the function that occurs as a result of the contractions in the selected muscle.
What is the relationship between structure and function in the selected muscle?
The structure of skeletal muscle, specifically the size, shape, and arrangement of the fibers, is directly related to its function. The elongated, parallel arrangement of the fibers allows for efficient and coordinated contractions, which are essential for producing movement. Additionally, the size of the fibers is related to the strength and power of the muscle, with larger fibers being able to produce more force than smaller fibers. Overall, the relationship between structure and function in the selected muscle is one of interdependence, with the structure of the muscle enabling it to perform its specific functions.
Explanation:
Organisms are classified by shared characteristics. They are
based on their cell
first classified into three
structure and where they can live. The three domains are
Bacteria, Archaea, and Eukarya.
The domain:
can be broken down further into
four kingdoms. The kingdom Fungi are typically multicellular
and are decomposers, such as mushrooms. The kingdom
are unicellular eukaryotes, such as algae.
The kingdom Plantae are multicellular autotrophs, such as
flowers. The kingdom Animalia are all multicellular
such as humans.
Answer:Learning Objectives
Define phylogeny.
Name the 3 Domains of the 3 Domain system of classification and recognize a description of each.
Name the four kingdoms of the Domain Eukarya and recognize a description of each.
Define horizontal gene transfer.
The Earth is 4.6 billion years old and microbial life is thought to have first appeared between 3.8 and 3.9 billion years ago; in fact, 80% of Earth's history was exclusively microbial life. Microbial life is still the dominant life form on Earth. It has been estimated that the total number of microbial cells on Earth on the order of 2.5 X 1030 cells, making it the major fraction of biomass on the planet.
Phylogeny refers to the evolutionary relationships between organisms. The Three Domain System, proposed by Woese and others, is an evolutionary model of phylogeny based on differences in the sequences of nucleotides in the cell's ribosomal RNAs (rRNA), as well as the cell's membrane lipid structure and its sensitivity to antibiotics. Comparing rRNA structure is especially useful. Because rRNA molecules throughout nature carry out the same function, their structure changes very little over time. Therefore similarities and dissimilarities in rRNA nucleotide sequences are a good indication of how related or unrelated different cells and organisms are.
There are various hypotheses as to the origin of prokaryotic and eukaryotic cells. Because all cells are similar in nature, it is generally thought that all cells came from a common ancestor cell termed the last universal common ancestor (LUCA). These LUCAs eventually evolved into three different cell types, each representing a domain. The three domains are the Archaea, the Bacteria, and the Eukarya.
Explanation: copy right
Which sphere of the earth are minerals the building blocks of?
Responses
hydrosphere
lithosphere
biosphere
atmosphere
natural phonology tendency to look at individual substitutions or deletions rather than patterns of errors
Yes, this is a tendency of natural phonology to look at individual substitutions or deletions rather than patterns of errors.
Natural phonology tends to focus on individual substitutions or deletions rather than the overall pattern of errors. This approach is useful in understanding how different speech sounds are processed and produced, and how they are affected by a variety of factors.
Additionally, it can help to identify which sounds are more difficult for a speaker to produce, allowing for targeted practice and intervention.
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over time, tumors tend to grow faster and become more invasive of other tissues, a phenomenon known as tumor
Over time, tumors tend to grow faster and become more invasive of other tissues, a phenomenon known as tumor Malignant tumor
What type of tumour shows rapid and invasive growth ?Malignant tumours can metastasize, or grow and spread to different parts of the body. Malignant tumours don't all grow quickly though, some can develop more slowly over time. The cancer cells that spread to other parts of the body are identical to the ones that started it, but they have the ability to attack other organs.
A benign tumour is made up of cells that do not spread to unrelated body tissues or organs, despite the possibility that it will continue to enlarge abnormally. A malignant tumour is made up of cells that spread or invade other body parts after penetrating the basement membrane.
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SOLVED How does cell division differ in prokaryotic unicellular organisms vs. eukaryotic unicellular organisms?
A cell type without a genuine nucleus or membrane-bound organelles is referred to as prokaryotic.
What are prokaryotes?All other forms of life are eukaryotic, whereas organisms in the domains Bacteria and Archaea are based on the prokaryotic cell.
Prokaryotic species, on the other hand, are exceedingly prevalent and account for a large portion of the biomass on Earth. Unicellular organisms are those that have prokaryotic cells. We refer to them as "prokaryotes."
A prokaryotic cell can function as a live organism thanks to a number of factors. Prokaryotes have a cell membrane covering them at first. With the help of this membrane, they may engineer a particular environment for metabolic reactions within the cytosol. Second, these cells contain both ribosomes and free DNA.
Therefore, A cell type without a genuine nucleus or membrane-bound organelles is referred to as prokaryotic.
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At the knee joint the articular capsule only covers the anterior, medial, and lateral portions of the joint. A. TrueB. False
At the knee joint the articular capsule only covers the anterior medial and lateral portions of the joint True.
Each synovial joint consists of a double-layered capsule called the articular capsule. The knee joint capsule is the broad, loose joint capsule of the knee. It is thin on the front and sides and contains the patella ligaments meniscus and the bursa of the knee.
To reduce this friction all joint surfaces involved in movement are covered with a white shiny lubricating layer called articular cartilage. The articular surfaces of the femoral condyles, the tibial plateau, and the underside of the patella are covered with this cartilage. The knee joint is surrounded by a joint capsule consisting of an outer fibrous capsule and an inner synovial membrane.
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single-cell rna-sequencing reveals widespread personalized, context-specific gene expression regulation in immune cells
A single population's stochastic changes in gene expression that may be responsible for complicated immunological responses can be found using scRNA-seq.
In order to determine the cell fate choices made by various cell subpopulations, developmental "trajectories" can be reconstructed using scRNA-seq.Identification of novel cell types and gene regulatory networks, as well as analysis of the kinetics of gene expression and patterns of allele-specific expression, are all made possible by single-cell RNA-sequencing (scRNA-seq).Different immune cell subsets can be recognised and characterised in health and disease using single-cell RNA sequencing (scRNA-seq). These immune cells' transcriptional fingerprints make it possible to identify new pathogenic drivers and biomarkers.To know more about scRNA-seq
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A(n) __ is the male cell sex
Answer: A sperm is the Male cell sex
a scientist investigates two types of cells located in different parts in the human body. cell a contains more mithochondria than cell b.what is the best conclusion to make from this observation?
Answer: cell a is a skeletal or cardiac muscle.
Explanation:
Question 3 of 10
Which of these factors makes nuclear energy unsustainable?
A. Nuclear power plants last the longest.
B. Nuclear energy generates too much toxic waste.
C. Nuclear energy requires wind turbines.
D. Nuclear power plants cost the most to build.
differential water permeability is a crucial to nephron feature. the loop of henle limbs' permeability to water is ____
Differential water permeability is a crucial to nephron feature. the loop of Henle limbs' permeability to water is Descending limb .
Water can pass through the loop of Henle's descending limb. The hyperosmolar medullary interstitium is filled with water. In antidiuresis, osmolarity can reach 1200 mOsm/L at the apex of the medullary interstitium. The ascending limb (where loop diuretics function) is watertight.
The thin descending limb of the loop is permeable to water, and the liquid reaching the bend of the loop is substantially richer in salt and urea than blood plasma.
The thin descending limb is impervious to ions and urea but extremely permeable to water.
A steep curve in the renal medulla transitions the loop from descending to ascending thin limb. Water cannot pass through the narrow ascending limb.
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During times of relaxation, the ______ division of the autonomic nervous system utilizes discrete and localized innervation, stimulating only one or a few structures at the same time.
parasympathetic
During times of relaxation, the parasympathetic division of the autonomic nervous system utilizes discrete and localized innervation, stimulating only one or a few structures at the same time.
What happens when the autonomic nervous system unwinds?When the parasympathetic nervous system (PSNS) is active, it reduces blood pressure, stimulates digestion, and slows our pulse and breathing rates. Our bodies start to relax, and relaxation encourages healing. We get healthier the more time we spend in a PSNS condition.
The smooth and cardiac muscles and glands are under the control of the parasympathetic nervous system (PSNS), a portion of the autonomic nervous system (ANS). It supports PSNS function by working in concert with the sympathetic nervous system (SNS).
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if the antimicrobial agent causes the cell to lose its ability to regulate what enters and exit, then the agent has _____ .
If the antimicrobial agent causes the cell to lose its ability to regulate what enters and exits then the agent has disrupted cell membrane function.
Antimicrobial agents are either bactericidal agents that kill the target bacteria or fungi or bacteriostatic agents that inhibit their growth. Bactericides are more effective, but bacteriostats are very useful because they allow the host's normal defenses to destroy the microorganism.
Antimicrobial agents can be classified into groups based on the mechanism of antimicrobial activity. The main groups are drugs that inhibit cell wall synthesis depolarize cell membranes inhibit protein synthesis inhibit the nucleic acid synthesis and inhibit bacterial metabolic pathways.
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the extent to which a test, measurement, or classification system produces the same scientific observation each time it is applied
The extent to which a test, measurement, or classification system produces the same scientific observation each time it is applied is called reliability.
The consistency with which a method assesses something is known as reliability. The measurement is regarded as accurate if it can consistently get the same result by applying the same techniques under the same conditions. You repeatedly take temperature readings of a liquid sample while maintaining the same settings.
A product, system, or service's reliability is determined by the likelihood that it will run well in a given environment for a predetermined amount of time or perform as intended. In order to assess the overall validity of a scientific experiment and strengthen the conclusions, reliability is a crucial component.
Reliability is a topic of intense and continuous debate among social and physics scientists.
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Some bacteria cause diseases in humans and other organisms, but
A. antibiotics can always be used to treat bacterial infections.
B. we don't know of any archaea that are harmful.
C. diseases caused by bacteria aren't serious.
D. viruses are unable to infect humans.
Some bacteria cause diseases in humans and other organisms, but antibiotics can always be used to treat bacterial infections. That is option A.
What is bacteria?Bacteria is defined as the microorganism that is capable of causing infection in other living organisms and they cannot be seen with the nãked eyes.
Some of the examples of bacteria microorganisms include the following:
Listeria monocytogenes, Listeria monocytogenes, Pesudomonas maltophilia, Listeria monocytogenes, Pesudomonas maltophilia, Thiobacillus novellus, Listeria monocytogenes, Pesudomonas maltophilia, Thiobacillus novellus, Staphylococcus aureus, Listeria monocytogenes, Pesudomonas maltophilia, Thiobacillus novellus, Staphylococcus aureus, Streptococcus pyrogenes,When an individual is affected by bacteria the infection is called bacterial infection and can only be treated with antibiotics.
The action of antibiotics can either be bactericidal or bacteriostatic. The bactericidal antibiotics are capable of killing the bacteria while the bacteriostatic antibiotics are capable of stopping the action of the bacteria in human host.
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Drag each label to the appropriate position to identify whether the given vessel directly arises from the aorta or from another (other) named vessel. Aorta Other
The main artery that transports blood from your heart to the rest of your body is called the aorta.
Explain about the aorta?The aortic valve, blood is expelled from the heart. It then passes through the aorta, forming a cane-shaped curvature that enables other major arteries to carry oxygen-rich blood to the brain, muscles, and other cells.
Your heart, lungs, brain, arms, and legs may all be impacted by the tear in the long run. This depends on where in your aorta the tear occurs. The location of the tear will also affect the course of treatment. If the tear is on the ascending aorta, surgery is very certainly required.
Massive internal bleeding from a burst aneurysm can be deadly. Approximately 8 out of 10 persons with a rupture either pass away before they reach the hospital or don't make it through surgery.
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Arrange the levels of the taxonomic hierarchy from the group containing the most species to the group containing the fewest. a) Family b) Class c) Order
A) Family b) Class c) Order a) Domain e) Kingdom d) Phylum b) Class c) Order a) Genus
Seven levels make up Linnaeus' hierarchical categorization scheme. They are kingdom, phylum, class, order, family, genus, & species, in order of largest to smallest. 2. Each level is referred to in taxonomic nomenclature as a taxon (plural: taxa) as well as taxonomic group. Kingdom, phylum as well as division, class, order, family, genus, & species are the seven major taxonomic ranks. Additionally, although not being listed in any nomenclature regulations, domain (proposed by Carl Woese) now is frequently used as a fundamental rank and is a synonym of dominion (lat. Eight levels of taxa make up the Linnean system, which is still widely used today. From most broad to most particular, these levels include domain, kingdom, phylum (plural, phyla), class, order, family, and genus (plural, genera),
(Arrange the levels of the taxonomic hierarchy from the group containing the most species to the group containing the fewest.
a) Family
b) Class
c) Order
d) Phylum
e) Kingdom
f) Genus)
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