Answer:
C. Organs are composed of tissues , which are composed of cells .
The animals are generally organized in a fashion that, the organism is composed of organs, which are composed of tissue, and tissues are composed of cells. So, option C is correct.
The cells are called the building block of life and come last under this hierarchy.
The hierarchy which follows the organization structure of cells, tissues, and organs follows the given criteria :
The cells are made up of cellular organelles, which are organized in a fashion that is required for the specific function of a cell.
The collection of a group of cells having the same physiological structure and function makes up the tissue.
The tissues with the same function and structural organization collectively make up the organs.
The different kinds of organs, contributing to myriads of functions of the body, make up a human body, live and well functioning.
Therefore, option C is correct.
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Which of the following is NOT true of Fungi?
A: Includes molds, mushrooms, and yeasts.
B: Fungi have cell walls made of chitin.
C: Fungi are a kingdom in the domain Protista
D: Most fungi are multicellular.
Fungi is a separate kingdom which include all the species such as molds, mushrooms, and yeasts. Fungi have a cell wall which is made up of chitin. Most of the fungi are multicellular. Thus, the correct option is C.
What are Fungi?Fungi is a separate kingdom of the five kingdom classification. A fungus is any member of the eukaryotic organisms which includes microorganisms such as yeasts and molds, as well as the mushrooms.
Fungi are the eukaryotic, non-vascular, non-motile, and heterotrophic organisms. Fungi may be unicellular or filamentous. Fungi reproduce through the means of spore formation. Fungi exhibit the phenomenon of alternation of generation. Fungi lack chlorophyll pigment and hence cannot perform photosynthesis like plants.
Therefore, the correct option is C.
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Which of the following is NOT a behavior of parental care?
A. Feeding
OB. Courtship displays
C. Protection from predators
D. Incubation of eggs
Parental care is the energy investment in looking after the progeny to ensure reproductive success, at the sacrifice of feeding, mating, and being save. The option is B. Courtship displays.
What is parental care?Parenting is a caring behavior chosen by some species in which parents invest energy in looking after their offspring to ensure their survival and hence, their reproductive success.
K-strategists are the species that perform parenting.
Animals must optimize the invested energy in growing, surviving, reproducing, and leaving fertile offspring. They must ensure the perpetuity of the species. The best way to do it is by reaching sexual maturity, mating, and leaving progeny that also reaches their fertile age. So species choose how to do it and where to invest more energy.
K strategists take care of their offspring and invest too much energy in doing it.
Parents must feed them, an activity that requires most of their energy to produce food or look for it. They must protect their progeny from potential opportunistic predators, so they need to be near the whole time. They need to teach behaviors and habits.And so many other things that require energy investment.
So, when parents take care of their offspring, the energy usually destined for survival and mating activities is now destined for parenting.
Often, parents can not feed because they can not leave their offspring alone. They face predators putting themselves in danger of being hurt. They can not mate even if they are in the reproductive season.
According to this framework, the correct option is Courtship displays. Option B. This is a typical pre-mating behavior in which sexual selection plays a significan role.
The behaviors of parental care are
A. Feeding
C. Protection from predators
D. Incubation of eggs
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How does mitochondrial structure contribute to aerobic metabolism, particularly in the integration of the citric acid cycle and electron transport?.
The reduced electron carriers generated by the citric acid cycle are restricted to the matrix by mitochondrial structure. There, they are adjacent to the respiratory complexes of the electron transport chain, which will transfer the electrons from the carriers made by the TCA cycle to oxygen, the final recipient of electrons and hydrogens.
What is the role of mitochondria in the citric acid cycle and electron transport chain?
Citric Acid Cycle:
The pyruvate molecules generated at the conclusion of glycolysis are carried into mitochondria, which are locations of cellular respiration, in eukaryotic cells. By eliminating a carbon dioxide molecule in the mitochondria, pyruvate is converted into a two-carbon acetyl group, which is then taken up by the carrier substance coenzyme A. (CoA). The end product is known as acetyl CoA.
The citric acid cycle occurs in the matrix of the mitochondria in eukaryotic cells. The eight phases of the cycle are a sequence of chemical processes that result in the production of two molecules of carbon dioxide, one molecule of ATP, and the reduced versions of NAD+ and FAD+, known as NADH and FADH2, which are crucial coenzymes for cell function. Because the NADH and FADH2 generated must transport their electrons to the system's next pathway, which uses oxygen, part of this is regarded as an aerobic pathway. This transmission is not possible without oxygen.
Electron Transport Chain:
However, the majority of the ATP produced during the aerobic breakdown of glucose does not come from these mechanisms. Instead, it results from a procedure that starts with the transfer of electrons through a series of chemical events to an ultimate electron acceptor, oxygen. Both eukaryotic organisms' mitochondrial inner membranes and prokaryotic organisms' inner cell membranes contain specific protein complexes where these processes occur. A gradient of electrochemistry is produced across the inner mitochondrial membrane by harnessing the energy of the electrons. ATP is produced using the potential energy of this gradient. This entire procedure is known as oxidative phosphorylation.
The sole aspect of metabolism that employs ambient oxygen is the electron transport chain, which is the final stage of aerobic respiration. The electron transport chain is made up of the aggregation of the four protein complexes I through IV as well as any related mobile, accessory electron carriers.
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look at the picture
What has compounded the tremendous increase in human population in the last few decades?
houses
technology
tools
agriculture
The tremendous increase in human population in the last few decades is as a result of agriculture. That is option D.
What is the causes of over population?The population of a particular area can increase over a period of time due to the following reasons:
increased birth rates, decreased death rates,increased immigration, and decreases emigration.But if a population is given unlimited amounts of food, moisture, and oxygen, and other environmental factors, it will show exponential growth.
Therefore, the tremendous increase in human population in the last few decades is as a result of agriculture.
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why are there multiple controlled variables but only one independent variable
Four individuals presented to the ER with several signs and symptoms (see table 1). While taking their history, you ask if they've recently ingested anything. At first, they didn't claim anything but then one remembered they went mushroom hunting and added it to a stew. You're truffle hunting skills paid off when you identified the mushroom from their photo of it as Amanita Muscaria, a mushroom containing the neurotoxin muscarine.
Three three signs or symptoms that provided the needed clue to the signs of autonomic nervous system (ANS) are:
A neurotoxin called muscarine binds to the muscarinic receptors. A subset of cholinergic receptors are muscarinic receptors. The parasympathetic nervous system is stimulated by them.
What neurotransmitter usually binds to the receptor?Muscarinic receptors are occupied by muscarine. They would attach to the parasympathetic nervous system's receptors since they displayed the indicators and signs of parasympathetic activation.
Normally, the neurotransmitter acetylcholine would attach to these receptors. Muscarinic and Nicotinic receptors are the two categories to which acetylcholine binds.
Instead of nicotinic receptor activation symptoms, they had evidence of muscarinic receptor stimulation.
What is cholinergic and determine why should it be used it in this case?Drugs known as cholinergics bind to cholinergic receptors, including nicotinic and muscarinic receptors, and mimic their effects.
Drugs that block cholinergic receptors are known as anticholinergics. Anticholinergic medications are used because they bind to cholinergic receptors and prevent them from activating.
Therefore, the effects of consuming muscarine will be eliminated.
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Full Question:
Scenario/Summary
Four individuals presented to the ER with several signs and symptoms (see table 1). While taking their history, you ask if they've recently ingested anything. At first, they didn't claim anything but then one remembered they went mushroom hunting and added it to a stew. You're truffle hunting skills paid off when you identified the mushroom from their photo of it as Amanita Muscaria, a mushroom containing the neurotoxin muscarine.
Deliverables
Review the article above, answer the following questions and save your responses in a Microsoft Word document. Provide a scholarly resource in APA format to support your answers.
Looking at the signs and symptoms, you notice that one of the two branches of the autonomic nervous system (ANS) is highly upregulated. Which one is it? N ame three signs or symptoms that clued you in on it and why.
What receptor do you think muscarine binds to in the ANS? What neurotransmitter usually binds to the receptor?
At first, It seemed odd that three out of four of your patients were sweating. It makes sense now that you know what they ate. Why?
Treatment for this issue includes the use of atropine. Atropine is anticholinergic. Define cholinergic and determine why you would use it in this case.
Sunlight is the ultimate source of energy in the ecosystem.
Answer: yup. That, and water or air.
Explanation:
why is abortion important?
Briefly explain the stages involved in the healing of fractures.
The stages that are involved in the healing of fractures include the following:Hematoma formation, Fibrocartilaginous callus formation, Bony callus formation and Bone remodeling.
What is fractures?Fracture is a type of injury that occurs in the bone which causes the discontinuity of the lining of the bone.
The healing of fractures bone takes place through the following stages:
Hematoma formation: The formation of hematoma occurs due to the rupture of blood vessels surrounding the site of injury.Fibrocartilaginous callus formation: The development of fibrin-rich granulation tissue begins at this stage.Bony callus formation: Cartilaginous callus begins to undergo endochondral ossification.Bone remodeling: The hardened callus undergoes repeated remodeling.Learn more about bone here:
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Inflammatory, reparative and remodeling are the stages involved in the healing of fractures.
What are the stages of fractures healing?Three stages of bone healing are the inflammatory, reparative, and remodeling stages. Fracture healing in children is same as the adults in which the same stages as that of adults but occurs at a very faster rate. Healing of fractures occur by producing callus that follows three phases which are inflammatory, reparative and remodeling.
So we can conclude that Inflammatory, reparative and remodeling are the stages involved in the healing of fractures.
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What animal was moving in the bushes of one of the canals when the narrator was alone at xochimilco
In the underbrush of one of the canals, the narrator had a terrifying encounter with a panther.
3. Humans need food to provide energy. What other necessary component does food provide for the body? O A. Hormones OB. Raw materials to build structures • C. Digestive enzymes O D.Oxygen
DDDDDDDD DDDDDDDD DDDDDDDD
Explanation:
DD
Why is photosynthesis considered a light-dependent reaction?
Answer: Light reactions of photosynthesis are light dependent reactions. They are light dependent because for the process to start, a light ray should impinge on the chlorophyll and only then the reactions of photosynthesis begin.
Explanation:
You collect individuals from different allopatric populations of a leaf-eating beetle. In the laboratory, you conduct mate-choice experiments to assess levels of reproductive isolation among beetles from different populations. Assuming that ecological speciation occurred in the wild, which pattern should you expect?.
Less reproductive isolation among populations that share similar habitats.
What is ecological speciation?The process through which new species arise as a result of divergent natural selection between dissimilar ecological habitats is known as ecological speciation. Ecological speciation happens when reproductive isolation evolves as a result of adaptation to various habitats or resources.
The brief history of a gene flow barrier in the population that leads to environmentally based divergent selection in the development is known as ecological speciation. The Charles Darwin theory of evolution is connected to this one. It offers the world's population diversity. The species frequently occurs through natural selection. Additionally, the speciation happens in two ways:
Ecological speciationNatural selectionThe genetic diversity in the population does contribute to ecological speciation.
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Dr. Chen's patient has a severe phobia of crowded places. Dr. Chen plans to use systematic desensitization to help the patient. Is Dr. Chen's treatment plan likely the best one for the patient?
Yes. Systematic desensitization is considered an effective treatment to reduce anxiety in individuals when exposed to fearful situations.
Yes. Systematic desensitization will help the patient unlock the unconscious reasons for his or her phobia.
No. Light exposure therapy is the most effective treatment for phobias and should be ruled out first.
No. Electroconvulsive therapy should be considered, as it is known to be an effective treatment for phobias.
Based on the fact that Dr. Chen's patient has a severe phobia of crowded places and he plans to use systematic desensitization to help the patient, Yes. Systematic desensitization is considered an effective treatment to reduce anxiety in individuals when exposed to fearful situations.
This is an effective treatment as the fear of crowded places and would help Dr. Chen's patient to overcome his/her fears.
What is Systematic desensitization?This refers to the treatment for phobias that is used when a patient is exposed to phobic-triggering events and then taught to face it in a more relaxed manner to desensitize the patient to the phobia.
Hence, we can see that Dr. Chen's treatment plan is likely the best one for the patient because systematic desensitization is considered an effective treatment to reduce anxiety in individuals when exposed to fearful situations
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50 POINTS! HELP :D!!!
Carbohydrates are associated with several organelles in eukaryotic cells, particularly the Cell Wall, Cell Membrane, Chloroplast, Vacuole, and Smooth ER. Explain the relationship between each of the organelles listed above and carbohydrates.
The cell wall is composed of cellulose and pectin, cell membrane glycolipids and glycoproteins, chloroplast synthesize glucose, vacuole starch, and Smooth ER glycolipids.
What is the cell wall?The cell wall is a structure in plant cells that contain different carbohydrates such as cellulose and pectin, while the cell membrane contains glycolipids and glycoproteins.
Moreover, the chloroplasts synthesize a simple carbohydrate called glucose via photosynthesis, while vacuole stores starch and smooth ER is the processing center of glycolipids.
In conclusion, the cell wall is composed of cellulose and pectin, cell membrane glycolipids and glycoproteins, chloroplast synthesize glucose, vacuole starch, and Smooth ER glycolipids.
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Which is not a water quality monitoring parameter?
Select one:
a. habitat
b .turbidity
c. salinity
d. pH level
9. What does each letter in the diagram below represent?
A.
B.
C.
D.
E.
F.
F
G.
H.
I.
J.
C
The layers composing the Earth are the core, mantle, and Crust. A) Internal core, B) External core, C) Mesosphere, D) Astenosphere, E) Lithosphere, F) Oceanic crust, G) Continental crust, H) Litosphere, I) Superior mantle, J) Astenosphere
What are the layers of the Earth?Three main layers compose the Earth.
The crustThis is the most external layer.
It is located right upon the mantle and is divided into many plates, that move over it.
It is composed of the oceanic basaltic plate (6-12 km) and the uppermost continental granitic plate (25-70 km).
The mantleThis is the second layer that composes the Earth.
It is a very hot and dense rock that is capable of flowing.
Convection currents occur in this layer, rising hot melted material from the deepest region and sinking cold solid material from the surface.
Three layers compose the mantle,
Upper mantle (40-400km)Transition zone (400-670km)Inner mantle (2285 km)The coreThis is the third layer and is divided into two sublayers,
- the solid inner core (1216 km)
- the liquid outer core (2270 km)
The core is mainly composed of Ferrum and nickel, and its temperature is about 6000ºC.
The extremely high temperatures are closely involved in material circulation, keeping the Earth's surface temperature, and electromagnetic field.
The core composes the EndosphereThe Internal mantle composes the MesosphereThe Transition zone and superior mantle compose the AstenosphereThe Crust composes the LithosphereA) Inner core
B) Outer core
C) Mesosphere
D) Astenosphere
E) Lithosphere
F) Oceanic crust
G) Continental crust
H) Litosphere (Crust)
I) Upper mantle
J) Astenosphere
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Describe and explain how blood flows from the foot to the lungs.
Answer:
lungs:
The blood first enters the right atrium.
The blood then flows through the tricuspid valve into the right ventricle.
When the heart beats, the ventricle pushes blood through the pulmonic valve into the pulmonary artery.
The pulmonary artery carries blood to the lungs where it “picks up” oxygen.
It then leaves the lungs to return to the heart through the pulmonary vein.
The blood enters the left atrium.
It drops through the mitral valve into the left ventricle.
The left ventricle then pumps blood through the aortic valve and into the aorta. The aorta is the artery that feeds the rest of the body through a system of blood vessels.
Blood returns to the heart from the body via two large blood vessels called the superior vena cava and the inferior vena cava. This blood carries little oxygen, as it is returning from the body where oxygen was used.
The vena cavas pump blood into the right atrium and the cycle begins all over again.
Which describes a transplant using healthy bone marrow cells from a compatible donor?
Answer:
Allogeneic transplants involve the use of cells from a donor.
What is the purpose of the classification system?
A. to group living organisms from largest to smallest
B. to classify and better understand organisms
C. to organize living organisms into the order they were discovered
D. to understand the uses living organisms can have to society
The only people with Rh negative blood are people who have inherited two recessive alleles for this trait. But some people who are colorblind have inherited only one recessive allele for this trait. Explain why these traits are different in terms of how many recessive alleles are needed to produce the recessive phenotype. Hint: Think about the above problem and sex chromosomes versus autosomes.
The difference is due to the inheritance pattern. Blood type needs two recessive alleles to express Rh-. Color-blindness needs only one.
What are the blood type and Color-blindness inheritance patterns?
⇒ Blood type is coded by a diallelic Rh gene that expresses complete dominance.
The allele Rh+ dominates over the allele Rh-.
Genotyopes and Phenotypes are as follows,
Individuals Rh+Rh+ express the possitive phenotypeIndividuals Rh+Rh- express the possitive phenotype Individuals Rh-Rh- express the negative phenotype.To express Rh-, a person must inherit two recessive alleles from their parents.
⇒ Color-blindness is an X-linked condition coded by a recessive allele.
As most sex-linked genes, it is transmitted together with the X chromosome.
The phenotype depends on the number of recessive alleles and the sex of the person.
Genotyopes and Phenotypes are as follows,
X⁺X⁺ women have normal sight.X⁻X⁻ women are completely color-blinded X⁺X⁻ women are partially color-blinded. X⁺Y Men are not color-blinded X⁻Y Men are color blinded.In this case, only one recessive allele is enough to express the affection.
In conclusion, Blood type needs two recessive alleles to express Rh-. Color-blindness needs only one recessive allele.
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High heels of girls hurts more than elephant`s leg when steeped in someone. Give reason.
Answer:
because they wear high heels.
Explanation:
Which of the following is an example of conservation by sustainable land use?
A. Reducing use of chemical fertilizers and pesticides.
B. Removing a dam and allowing water to flow naturally.
C. Using plants to remove toxins from the ground in an environment.
OD. Creating a new ecosystem equal in size to the one that was damaged.
Using plants to remove toxins from the ground in an environment is an example of conservation by sustainable land use.
In order to meet human needs both now and in the future, sustainable land use provides a fair and balanced distribution of land, water, plants, biodiversity, and other environmental resources among the numerous competing claims.
In order to protect, conserve, and use resources (soil, water, and biodiversity) sustainably, as well as to restore degraded natural resources and their ecosystem functions, sustainable land management (SLM) entails measures and practices that are tailored to biophysical and socioeconomic conditions.
SLM practices include:
Control soil erosion, boost soil fertility, manage soil organic matter for soil carbon sequestration, avoid land conversion and safeguard vulnerable areas; prevent land degradation; and recover degraded soils.
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Q
What is an acceptable practice in a food facility?
a) washing a cutting board in a food preparation sink when changing
from raw food to ready-to-eat foods
b) using a clean, damp wiping cloth to polish customer utensils and
glassware
c) storing serving utensils at a buffet with the food contact surface
directly in the food
An acceptable practice in a food facility is option b) using a clean, damp wiping cloth to polish customer utensils and glassware.
What does food safety mean?In order to avoid contamination and food-borne illnesses, food safety refers to the conditions and procedures that maintain the quality of food. The United States Department of Agriculture's (USDA) Food Safety and Inspection Service informs people about the value of handling food safely and offers advice on how to lower the likelihood of contracting foodborne illnesses.
The Five Keys to Safer Food's main takeaways are to always keep things clean, to always keep raw and cooked food separate, to always cook fully, to always maintain food at a safe temperature, and to always use safe water and raw materials. A preventable and underreported public health issue is foodborne infections. These conditions have a negative impact on public health and greatly raise the price of medical care. They also provide a significant obstacle for some groups of people.
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what is the outer wall of a cell
3. Compare the advantages and disadvantages of disposing of municipal solid waste in sanitary landfills and by incineration.
Lowers population of pest is the advantages of disposing of municipal solid waste in sanitary landfills whereas high cost and damage to health are the disadvantages of disposing of municipal solid waste in sanitary landfills
What are the advantages and disadvantages of disposing waste in sanitary landfills?The main advantage of disposing of municipal solid waste in sanitary landfills is that it minimizes pests such as rodents and insects that can carry many diseases. The disadvantage disposing of municipal solid waste in sanitary landfills is that it can be costly and can cause problems with a sanitary landfill is the environmental hazard.
So we can conclude that lowers population of pest is the advantages of disposing of municipal solid waste in sanitary landfills whereas high cost and damage to health are the disadvantages of disposing of municipal solid waste in sanitary landfills.
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Incineration has the advantage of reducing the volume of the final waste that should be disposed thereby helping in the process of waste disposal.
What is a landfill?A landfill is an area that has been set aside for the disposal of refuse. It is a large area that could consist of an open pit into which refuse could be poured from time to time.
Now, incineration has to do with the burning of waste materials. The sanitary landfills tend to protect the environment from the possible release of harmful fumes and carbon wastes. On the other hand, the disadvantage of the sanitary land fills is that there is the possibility of ground and surface water contamination by toxic materials.
Incineration has the advantage of reducing the volume of the final waste that should be disposed thereby helping in the process of waste disposal.
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Why is the cell membrane made of two layers?
Answer:
When cellular membranes form, phospholipids assemble into two layers because of these hydrophilic and hydrophobic properties. The phosphate heads in each layer face the aqueous or watery environment on either side, and the tails hide away from the water between the layers of heads, because they are hydrophobic.
Explanation:
Which of the following factors would you expect to affect the rate of photosynthesis? Choose all that apply. You will be deducted for incorrect answers.
Select one or more:
a.
Amount of solar energy available
b.
Carbon dioxide concentration
c.
Amount of oxygen available
d.
Water availability
Answer:
Carbon dioxide concentration
Explanation:
Even if there is plenty of light, a plant cannot photosynthesise if there is
insufficient carbon dioxide.
The process that your kidneys use to filter excess fluid and waste products out of the blood into the urine collecting
tubules of the kidney, so they may be eliminated from your body is called:
O a. Excretion
Ob. Elimination.
Oc. Glomerular filtration
Od. Electrolyte filtration
Answer:
C
Explanation:
Hope this helps! :)
