Answers
cervical region
spinal nerves
central canal
Related Questions
List down the female reproductive organs. Describe any three
of them in short.
Answers
Answer:
uterus , ovaries , fallopian tubes.
Explanation:
RNA differs from DNA in three ways. They are
1.
2.
3.
Answers
Answer:
below!
Explanation:
"RNA is single-stranded while DNA is double-stranded.
RNA contains uracil while DNA contains thymine.
RNA has the sugar ribose while DNA has the sugar deoxyribose."
-DNA vs RNA Expii
Hope this helps! :)
Which of the following helps protect biofilms from issues such as drying out and predators
a.) Extracellular polymeric substances
b.) Quorum sensing
c.) Becoming sessile
d.) Autoinducers
Answers
Extracellular polymeric substances help protect biofilms from issues such as drying out and predators. Option A
Biofilms are complex communities of microorganisms that adhere to surfaces and form a protective matrix. They can be found in various natural and artificial environments, such as riverbeds, medical devices, and plumbing systems. Biofilms provide advantages to the microorganisms within them, including protection from environmental stresses and predators.
One of the key components that helps protect biofilms is extracellular polymeric substances (EPS). EPS are complex mixtures of polysaccharides, proteins, and DNA that are secreted by microorganisms within the biofilm. These substances form a matrix that encases the cells, providing structural support and protecting the community.
EPS help biofilms resist drying out by retaining water and preventing desiccation. The polysaccharides in EPS can absorb and retain moisture, creating a hydrated environment within the biofilm even in dry conditions. This is crucial for the survival of the microorganisms within the biofilm.
Additionally, EPS serve as a barrier against predators. The matrix formed by EPS can make it difficult for predators, such as protozoa or grazing organisms, to access and consume the microorganisms within the biofilm. It acts as a physical defense mechanism, limiting the exposure of the microorganisms to predation.
While quorum sensing, becoming sessile (immobile), and autoinducers are all important mechanisms and processes associated with biofilms, they do not directly address the protection of biofilms from drying out and predators. So Option A is correct.
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I really need help for homework Biology 102 and it's Due: Feb 27, 2023 at 11:59 PM EST
Question 8 part 3
Answers
Answer:
1) This happens in the nasal cavity or nostrils. The cilia (nasal hairs) are the ones responsible for this in which the particles are filtered. Then in the back of the throat is where the nasal cavity and mouth meet is the pharynx.
2) This is the correct function. There are four stages of gas exchange that occur when oxygen is breathed into the body: ventilation, pulmonary gas exchange, gas transport, and peripheral gas exchange. The processes of gas inhalation, exhalation, exchange at the alveoli, transportation to the blood, and subsequent diffusion through different cellular membranes situated in body tissues are described. The lungs contain millions of alveoli, which are surrounded by capillaries. Each bronchiole ends with a collection of tiny air sacs known as alveoli. Capillaries, which are very small blood arteries, surround alveoli. These air sacs are filled with oxygen-rich air from the air you breathe in. The exchange of gases takes place here.
3) It travels down both, not just one. The air travels passed the larynx and into the trachea. The trachea is divided into two tubes which are known as the bronchial tubes. The left one leads to the left lung and the other to the right lung. From here the air is brought to even smaller tubes known as bronchioles.
4) Air enters from the outside during inhalation to either these two openings: nostrils or external nares. The cilia serve the purpose of capturing large inhalation particles. The internal nares are the openings between the nasal cavity and the pharynx. Hence, air enters into the nasal cavity.
5) From the pharynx, air flows through the glottis to the trachea and the cycle continues. The glottis and two or three other cartilages form the larynx, a simple tubular structure in most reptiles.
Thanks.
Which statement best describes a reliable source of information?
A source that follows the scientific method.
A source that includes the evidence to persuade a side.
A source that includes opinions to support a claim.
A source that uses pseudoscience to gather evidence.
Answers
The statement best describing a reliable source of information is:A source that follows the scientific method.
A reliable source of information is one that follows the scientific method. The scientific method is a systematic approach to investigating phenomena, which involves formulating a hypothesis, conducting experiments or observations, collecting data, and drawing conclusions based on evidence. By adhering to the scientific method, a source ensures that its information is based on rigorous and objective analysis.
A reliable source of information focuses on providing evidence to support its claims rather than relying on opinions. It presents data, facts, and research findings obtained through scientific studies or credible sources. This evidence-based approach adds credibility to the information presented and allows readers to evaluate the validity of the claims.
On the other hand, a source that includes opinions to support a claim may lack objectivity and can introduce bias into the information. Opinions alone do not necessarily provide a reliable basis for making informed judgments or decisions.
A reliable source also avoids the use of pseudoscience to gather evidence. Pseudoscience refers to claims or practices that are presented as scientific but lack the rigorous scientific methods and evidence required for validation. Such sources often promote ideas that are not supported by credible scientific research and can mislead readers.
In summary, a reliable source of information is one that follows the scientific method, presents evidence to support claims, avoids relying solely on opinions, and does not use pseudoscience to gather evidence. By adhering to these principles, a source can provide trustworthy and accurate information to its audience.
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why are mutations considered important in evolution
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Mutations are considered important in evolution because they are the ultimate source of genetic diversity.
Mutations are alterations in the sequence of an organism's DNA, caused by radiation or toxins in the environment. They can also form spontaneously during DNA replication.Mutations can have a variety of impacts. These are frequently dangerous or have little or no impact. However, changes in DNA sequence can occasionally be helpful to the organism.Beneficial mutations that offer a survival benefit or reproductive success are more likely to be passed on to subsequent generations, increasing their frequency in the population over time. This accumulation of favorable mutations is a driving factor in the process of evolution.Without mutations, there would be no supply of new genetic information, and evolution would be greatly hampered.
Answer:
Mutations are one of the fundamental forces of evolution because they fuel the variability in populations and thus enable evolutionary change.
What is the integrating center in this negative feedback loop?
Answers
25. Type A blood and Type B blood are dominant to type O blood, but codominant to one another. What would
the blood type of a person who inherited a B allele one parent, and an O allele from the other be?
a. Type A
с. Type AB
b. Type B
d. Type o
Answers
Answer:
C.
The offspring of the two parents would inherit type B blood.
Reginald punnett sought to apply the insight obtained by Mendel to explain the laws of inheritance in the structured fashion.
Answers
Punnett squares are representations of crosses between individuals. They show that, by gene-independent assortment, different gametes are produced, and how they combinate. By making punnett squares, genotypic and phenotypic probabilities in the progeny can be predicted.
What is a Punnett square?
The Punnett square is a graphic representation that shows the different types of gamete combinations according to the alleles involved in a cross.
one parent's gametes are placed on the top of the square the other parent's gametes are placed on the vertical left of the squareThere are as many raws and columns as gametes.
The intersections between the raws and the columns determine gamete combinations. These combinations are the genotypes and phenotypes of the progeny.
Punnett square not only shows the probabilities of getting offspring with different genotypes and their consequent phenotypes, but also exhibit the independent segregation of genes during cell division, and the resulting gametes.
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Complete question:
Reginald Punnett sought to apply the insights obtained by mendel to explain the laws of inheritance in structured fashion. What is a Punnett square and how is it used?
Two patients are in a hospital. One has retrograde amnesia and the other has anterograde amnesia. Explain one similarity and one difference between the two types of amnesias. Then predict how these two patients will interact with each other.
(i already know what each amnesia means i just mostly need the 'predict how these two patients will interact with each other' because its confusing to me)
Answers
Answer:
One similarity between retrograde and anterograde amnesia is that they both involve memory impairment. Retrograde amnesia is the inability to recall memories that occurred before the onset of amnesia, while anterograde amnesia is the inability to form new memories after the onset of amnesia.
One difference between the two types of amnesia is the direction of the memory impairment. Retrograde amnesia affects memories that were already stored before the onset of amnesia, while anterograde amnesia affects the formation of new memories after the onset of amnesia.
Given their different types of amnesia, it's unlikely that the two patients will be able to fully understand each other's memory difficulties. The patient with retrograde amnesia may have difficulty remembering events from their past, while the patient with anterograde amnesia may struggle to form new memories. Depending on the severity of their amnesia, the patients may have trouble communicating with each other and forming new memories together. However, their interactions may still be meaningful and they may form a bond based on their shared experiences of memory impairment.
Which statement bestexplains the effect an adaptation has on an organism?
It increases an organism's chance to survive.
It increases an organism's size and weight.
It decreases an organism's chance to reproduce.
It decreases an organism's ability to find food.
Answers
A trait that evolved and was selected by natural selection for its current function is known as an adaptation. Any hereditary traits that improve an organism's likelihood of survival benefit from adaptations. Option C is the appropriate response in this case.
In order to survive in their environment and function better under the conditions there, plants and animals have modified their physical characteristics or behaviours. The strongest and most advantageous traits or adaptations are handed on to the following generation, ensuring the survival of the plants or animals. Examples of adaptations include a camel's capacity for water storage, polar bears' use of their white fur to blend into the ice, and chameleons' capacity to change colour to evade predators. The process of change that occurs to animal and plant species over a long period of time, or how plant and animal species have evolved from one another, is known as evolution.
Therefore, we can conclude that adaptations aid any hereditary traits that improve an organism's chances of survival.
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PLS HURRY!!!!
List two examples of reproductive strategies.
Answers
Deer mice are usually dark brown and live in forests with dark soil. However, the deer mice in the Sand Hills of Nebraska are lighter brown and live in an area with light, sandy soil.
Based on this information, what ,begin emphasis,most,end emphasis, likely caused the change in the Sand Hills deer mice?
Answer options with 4 options
A.
Lighter colored mice were preferred by females.
B.
Lighter colored mice came from snowy habitats in the north.
C.
Lighter colored mice had more dominant genes in their new habitat.
D.
Lighter colored mice were more likely to avoid predators and to reproduce.
Answers
Lighter colored mice were more likely to avoid predators and to reproduce. Therefore, option (D) is correct.
The lighter brown coloration of the deer mice in the Sand Hills of Nebraska is likely an adaptation that provides them with a survival advantage in their specific habitat. The light, sandy soil in the area may offer better camouflage for lighter colored mice, making them less visible to predators and increasing their chances of survival.
As a result, these mice would have a higher likelihood of successfully reproducing and passing on their lighter coloration traits to future generations.
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Describe the transport properties of the loop of Henle and explain the interactions between the ascending and descending limbs
Answers
Answer:
The loop of henle is a part of the renal functional unit.
This handle has an ascending part and a descending part.
In the descending loop, the urine that is formed inside enters a hypotonia, since a large amount of water is absorbed and the concentrations of solutes in the urine decrease, thus generating a hypoosmolar solution, that is, with less molarity.
In the ascending loop of henle, the opposite arises, ionic channels appear that increase the concentration of solutes, this is how the urine that runs through the interior of the ascending loop of henle becomes hyperosmolar.
Hyperosmolarity is the increase in concentrations of solutes, and the increase in molarity of the solution, which in this case would be urine.
Explanation:
A very important fact is that urea is absorbed in the ascending henle loop.
b. What is the role of the loop of Henle in homeostasis?
Answers
Homeostatic mechanisms that serve to regulate extracellular fluid volume are among the functions of the Loop of Henle.
More functions of the Loop of HenleThe Loop of Henle regulates potassium, calcium, and magnesium excretion while using the least amount of energy. It also aids in the regulation of urine protein composition.
The loop of Henle is a second segment of the renal tubule that is U-shaped and placed between the proximal and distal convoluted tubules.
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How do you know the computer you are working on is not alive?
Answers
Which of the following statements about pattern formation are true? Select the four statements that are true.
a. Homeotic genes code for transcription factors that control the development of segment-specific body parts.
b. Homeotic genes establish major body axes.
c. Cells receive molecular signals that communicate their position in relation to other cells.
d. Differential gene expression affects the developmental process in animals.
e. Pattern formation begins in adult animals.
f. The process of pattern formation involves segmentation of the body but does not involve the development of segment-specific body parts.
g. Positional information controls pattern formation.
Answers
d. Differential gene expression affects the developmental process in animals.
g. Positional information controls pattern formation.
b. Homeotic genes code for transcription factors that control the development of segment-specific body parts.
c. Cells receive molecular signals that communicate their position in relation to other cells.
Pattern formation is the development of a multicellular organism's arrangement of tissues and organs. Cells receive molecular signals, collectively called positional information, that inform the cells about their location in relation to other cells and to the body axes. Positional information regulates pattern formation.
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Some processes cycle carbon into the atmosphere, some processes remove carbon from the atmosphere and some cycle carbon both into and out of the atmosphere.
Drag and drop the following processes into the correct category of cycling carbon into or out of the atmosphere. Some choices may be used more than once or not at all.
(2 points)
burning fossil fuels
Cycle carbon into the atmosphere
:: equilibrium with the ocean
4
burning fossil fuels
Cycle carbon out of the atmosphere
equilibrium with the ocean
:: respiration :: photosynthesis
:: limestone formation
Answers
The carbon cycle outlines the transfer of carbon from human sources to the atmosphere, soils, living things, the ocean, and living things.
What steps of the carbon cycle take carbon out of the atmosphere?Trees are particularly effective at storing the carbon dioxide that photosynthesis removes from the environment. Photosynthesis is a natural process that removes carbon dioxide from the atmosphere.The carbon cycle outlines the transfer of carbon from human sources to the atmosphere, soils, living things, the ocean, and living things. The transfer of carbon between living things—plants, animals, and microbes—as well as between the earth's minerals and the atmosphere takes place through the carbon cycle. In the universe, carbon ranks fourth in terms of abundance.Carbon dioxide is taken out of the air by photosynthesis and fixed as organic molecules in the producers. When living creatures consume organic substances, respiration occurs, releasing carbon dioxide into the atmosphere.To learn more about carbon cycle refer to:
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Answer:
I Just did the quick check and it was all right :)
Explanation:
Cycle carbon into the atmosphere -
Burning Fossil Fuels
respiration
equilibrium with the ocean
Cycle carbon out of the atmosphere-
equilibrium with the ocean
Photosynthesis
Limestone Formation
1. Which of the following is NOT a characteristic of life.
A. Being Multicellular
B. Responsiveness to the Environment
C. Growth and Change
D. Maintain Homeostasis
Answers
Answer:
it may be a or d but b and c are a characteristic in life
What Protein Category is Botox?
Hormone
Structural
Contractile
Enzymatic
Defensive
Transport
Receptor
Storage
Answers
structural
Explanation:
because it builds structure
In order for animals to be domesticated, they need to have a flexible diet.
Answers
Answer:
not all the time no
Which part of a plant begins the reproductive process to allow the plant to spread and grow new plants? (1 point)
O stems
O leaves
O flowers
O Roots
Answers
Answer:
The answer would be the flowers
Explanation:
The flowers have pollen in or on them that bees, wasps, and butterflies pick up while drinking nectar. The pollen is eggs and is spread from flower to flower.
Flowers is a part of plant to begins the reproductive process to allow the plant to spread and grow new plants.
What is flower?Pollination, the act of sexual reproduction in flowering plants, is how it happens. Stamens, the male sex organ, and pistils, the female sex organ, are found in flowers.
The portion of the stamen that carries pollen is called the anther. The male gametes are found in pollen. For reproduction to occur, pollen must be transferred to the stigma, a region of the pistil.
When a plant's own pollen nourishes its own ovules, self-pollination occurs. When animals or the wind carry pollen from one plant to another, cross-pollination occurs.
Cross-pollination has the benefit of preserving a species' genetic diversity. When environmental conditions change and organisms must adapt, genetic variety is useful. Some plant characteristics really work to stop self-pollination.
Therefore, Flowers is a part of plant to begins the reproductive process to allow the plant to spread and grow new plants.
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For hypertrophy to occur in skeletal muscle fibers, which subcellular changes must be seen in a muscle cell?
Answers
Answer: at here is selective hypertrophy of type 1 fibers
I think is has something to do with enhancing the strength within the muscle by increasing the number of contractile myofibrils
How can teeth be used in a forensics investigation? Explain
Answers
Answer:
dental records
Explanation:
you can cross check the person you think the body is dental records to see if they match up with the body's teeth
34 POINTS. answer fast please
Argue the significance of the value that comes from economic uses of forests, including at least two examples of the different types of economic forest use, and explain how a forest's economic value relates to its ecological value.
Answers
Answer:
racist
Explanation:
give me the points
Question 1 of 10
Which element of the scientific process includes the greatest amount of
information about living things?
OA. A hypothesis
OB. A theory
OC. A conclusion
OD. A data record
SUBMIT
Answers
According to the research, the correct option is B. A theory is the element of the scientific process that would include the greatest amount of information about living things.
What is a theory?It is a set of ideas or proven hypotheses that explain some phenomenon studied or a scientific description based on a set of observations or experiments.
In this sense, it is a logical system that is established from observations, axioms and postulates, and is formed by the set of concepts, propositions and definitions that are related to each other with the aim of explaining the given phenomenon.
Therefore, we can conclude that according to the research, the correct option is B. A theory is the element of the scientific process that would include the greatest amount of information about living things.
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this is the term for the weather patterns that an area experiences over a long period of time
Answers
Climate is defined as an area's long-term weather patterns. The simplest way to describe climate is to look at average temperature and precipitation over time.
Can you explain to me the acholic energy reaction (atp) you get from yeast
Answers
Fermentation is a way to obtain energy from carbohydrates when there is no oxygen available. Fermentation can be realized for many organisms, even when is not the main source of energy. For example, humans can realize lactic fermentation.
There are different types of fermentation depending on what substance is produced. In ethanol or alcoholic fermentation, the organisms take the carbohydrates and produce ATP, ethanol, and carbon dioxide. An example of organisms that perform alcoholic fermentation is yeast.
Body Planes, Directions, Quadrants and Regions
Draw and label the following:
HELP ME PLEASE
Answers
Labelled diagrams of body planes, directions, quadrants and regions are attached below:
What is body plane?A body plane is an imaginary geometric plane used to divide a body into sections. They are commonly used in both human and animal anatomy to describe the position or orientation of body structures.
The three planes of the body are:
Coronal (frontal) plane that separates the front (anterior) and back (posterior) of the body. Sagittal (longitudinal) plane that separates the left and right sides of the body. Transverse (axial) plane that separates the upper (superior) and lower (inferior) halves of the body.Four Abdominal Quadrants of the body are:
Right Upper QuadrantLeft Upper QuadrantRight Lower QuadrantLeft Lower QuadrantNine Abdominal Divisions
Right HypochondriacLeft HypochondriacEpigastricRight LumbarLeft LumbarUmbilicalRight IliacLeft IliacHypogastricThe five regions of the body are head, neck, torso, upper extremities, and it is the lower extremities. The body of the is also divided by the three imaginary planes and it's known as the sagittal of the plane, coronal plane, and transverse plane.
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The phylogenetic tree below has been used both to support and to contest the hypothesis that an intermediary species was responsible for the zoonosis of SARS-CoV-2 from bars to humans. Discuss. (6 marks)
Answers
The theory of the new corona virus's transfer from bats to people is covered in the explanation that follows.
The severe acute respiratory syndrome coronavirus 2 was produced as a result of cross-species transmission and is the culprit behind COVID19 (SARS-CoV-2). Coronaviruses are a large family of viruses that may infect a variety of hosts.
The host ACE2 protein and TMPRSS2 cleavage of the surface (S) protein are required for SARS-CoV-2 entrance. ACE2, a species-specific barrier, may prevent the bat-to-human coronavirus from spreading across species boundaries. Bats were confirmed as SARS-natural CoV's hosts by a molecular analysis, and they were also linked to the genesis of MERS-CoV.
A novel coronavirus called the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) evolved as the cause of COVID19 as a result of interspecies transmission.
Coroviruses are a large family of viruses that may infect a variety of hosts. For SARS-CoV-2 entrance, the surface (S) protein must interact with the host ACE2 protein and TMPRSS2 must be cleaved.
The species-specific barrier ACE2 may stop the bat-to-human coronavirus from spreading. A molecular analysis established bats as the SARS-natural CoV's hosts and linked them to the establishment of the MERS-CoV. Given the genetic resemblances between the SARS-CoV-2 strain and the bat RaTG13 CoV strain, it is believed that the most recent outbreak was caused by bats.
Compared to the human TMPRSS2 sequence, the pangolin ACE2 amino acid sequence has a greater evolutionary distance from bats and a lower evolutionary distance from humans. When comparing SARS-CoV and SARS-CoV-2 origins, the civet, the main intermediate host of SARS-CoV, has lesser ACE2 evolutionary divergence with humans than pangolin. The pangolin has evolved into an appropriate host for intermediate SARS-CoV-2 leap and entrance from bat to human as a result.
Phylogenetics: What is it?The study of links and evolutionary histories between or among groups of species is known as phylogenetics. These links are inferred using phylogenetic inference methods that focus on heritable traits that can be observed, including DNA sequences, protein amino acid sequences, or morphology.
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