He is able to draw conclusions about the sampled populations, but not regarding cause and effect.
How may an inference be justified?Inference is defined as "a conclusion or judgment also supported by facts or evidence." According to our definition, inference is a logical step which enables one to draw a conclusion from data or reasoning. That indicates that it is a reasonable assumption and is comparable to a finding or a deduction.
What is an example of inference in research?Through the process of inference, a conclusion is arrived at with a certain amount of probability in relation to the available evidence, but not with absolute certainty. Estimating population totals, average, and proportions is a descriptive application.
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______ synthesis begins at a site within a chromosome called the origin of replication.
DNA The origin of replication is a location on a chromosome where synthesis starts.
What do you mean by DNA replication?It is crucial that each daughter cell receives an exact copy of the DNA when a cell divides. DNA replication is the process that makes this happen. Before the cell reaches mitosis or meiosis, during the synthesis phase, also known as the S phase, of the cell cycle, DNA replication takes place.
An indication of how DNA gets duplicated was given by the clarification of the double helix's structure. Recall that cytosine pairs with guanine while adenine pairs with thymine. The two strands are so complimentary to one another. For instance, a complimentary DNA strand will have the nucleotide sequence TCAGTACT for a strand of DNA having the nucleotide sequence AGTCATA.
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1. if you used information from two different data sources, the number of cases of bacterial infections were obtained from the local health department, while the data regarding the number and types of fish products sold at local stores were obtained from the epiland fishing and wild game office. what type of epidemiological study would it be if you used two different types of information to test whether the consumption of fish products from epiland lake are associated with a higher risk of bacterial infections? 2. list two potential epidemiologic study types that would be suitable if all of the data came from the same source (i.e. one study) and it was used to test whether the consumption of fish products from the epiland lake are associated with a higher risk of bacterial infections?
Gram staining and observational studies need to be done in order to get the idea of the particular epidemiology.
Bacterial infections have a large impact on public health. Disease can occur at anybody site and can be caused by the organism itself or by the body's response to its presence. Bacteria are transmitted to humans through air, water, food, or living vectors
In order to know more about the bacteria and its pathogenicity, we perform gram staining. Pathogenicity is the ability of a bacteria or virus or any microorganism to cause the disease in an individual.
Gram staining of a bacteria gives the idea of how deadly the bacteria or the virus is. The principal modes of transmission of bacterial infection are contact, airborne, droplet, vectors, and vehicular. Preventive measures have a dramatic impact on morbidity and mortality. Such measures include water treatment, immunization of animals and humans, personal hygiene measures, and safer sex practices. Bacterial resistance to antibiotics is a growing concern mandating their prudent use.
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Which of the following RNA sequences are present in a mature mRNA after RNA processing occurs? (You may choose more than one.) Group II Intron TATA bOX Exons Stop codon polyA tail Introns
PolyA Tail, Exons, Stop codon
Using next-generation sequencing, the method known as (RNA-sequencing) may analyze the quantity and sequences of RNA in a sample (NGS). It examines the transcriptome to reveal which genes encoded in our DNA are activated or inactive, and to what degree.
RNA sequencing (RNA-Seq) makes use of high-throughput sequencing techniques to shed light on a cell's transcriptome. RNA-Seq offers far larger coverage and better resolution of the dynamic dynamics of the transcriptome than earlier Sanger sequencing- and microarray-based approaches.
Finding the precise arrangement of nucleotides—the fundamental building blocks—within a DNA molecule is known as DNA sequencing. DNA sequence knowledge has become essential in cancer research.
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Elisa’s diabetes causes her to have lower than normal numbers of glucose molecules in her cells. You already wrote about how this makes her tired. Now, write an explanation that answers the question how could elisa's diabetes also affect her body’s ability to grow and repair cells? use the following sentence to start your explanation, or use a sentence of your own. Diabetes could affect how well elisa's cells can grow and repair themselves. Word bank glucose oxygen cellular respiration amino acid protein energy.
Diabetes in the disease where cell's ability to uptake glucose efficiently is affected. As a result the cell will not able to produce energy by glucose breakdown and then whole process of performing cellular respiration in the presence of oxygen will shut down. Thus is the reason why the cell will not be able to produce the necessary proteins for body's growth and repair.
Diabetes is of two types. Diabetes 1 is the insulin-dependent diabetes where the body does not produce enough insulin. Diabetes 2 is the inability of the body cells to uptake glucose efficiently.
Cellular respiration is the breakdown of glucose in the presence of oxygen to yield energy for the cells. This energy is essential to perform the various functions of the cell and make it living.
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precentage of each type of base
Answer:
Human DNA is 30.9% A and 29.4% T, 19.9% G and 19.8% C.
Explanation:
The rule constitutes the basis of base pairs in the DNA double helix: A always pairs with T, and G always pairs with C
how does dna code for an organism?
PLS ANSWER
Explanation:
Genetic Code
Each gene's code uses the four nucleotide bases of DNA: adenine (A), cytosine (C), guanine (G) and thymine (T)
explain why having different enzymes for one or more steps is critical for regulation of the two pathways.
To control the entire reaction speed, the activation of these catalysing enzymes must be controlled.
Why does the body need so many different enzymes?Due to its extensive range of intricate metabolic processes and activities, the human body requires a wide variety of enzymes. The different metabolic chemical reactions that occur are catalysed by the enzymes, and once an enzyme has catalysed a reaction, it is no longer functional and must be replaced.
By employing the byproducts of enzymatic processes to block more enzyme activity, cells have evolved to use feedback inhibition to control enzyme activity in metabolism. Anabolic and catabolic processes, for example, must continue in accordance with the needs of the cell.
Enzymes tend to be tightly regulated because they direct and govern a cell's metabolism. We'll examine elements that can influence or regulate enzyme activity in this article.
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describe the use and method of iodine solution test from starch
suppose these two chromosomes are found in a cell nucleus during prophase. what is relationship between chromatids
Suppose those chromosomes are discovered in a cell nucleus throughout prophase. A is equal to B, and C is identical to D in dating among chromatids.
During prophase, the complicated DNA and proteins contained within the nucleus, called chromatin, condenses. The chromatin coils and turns increasingly more compact, ensuing in the formation of visible chromosomes.
In the course of prophase II, the chromosomes condense, and a brand new set of spindle fibers bureaucracy. The chromosomes begin transferring closer to the equator of the cellular. at some stage in metaphase II, the centromeres of the paired chromatids align alongside the equatorial plate in each cell.
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a higher level of hemoglobin in the blood increases the blood's density. this is the basis for a simple test that can be used to see if a prospective blood donor has a high enough hemoglobin level to donate safely. a drop of blood is placed in a copper sulfate solution, and the time for the drop to sink to the bottom is measured. if this time is too long, the hemoglobin level is too low. part a explain how this test works. match the words in the left column to the appropriate blanks in the sentences on the right. make certain each sentence is complete before submitting your answer. resethelp
The density of blood rises as hemoglobin concentrations rise. This serves as the foundation for a quick test that can be performed to determine a potential blood donor high hemoglobin levels donating.
What does hemoglobin do?Red blood cells include a protein called hemoglobin, which distributes oxygen to your body's tissues and organs while returning carbon dioxide to your lungs. A low red blood cell count indicates a low hemoglobin level, which can be determined by a hemoglobin test.
What is the remedy for low hemoglobin?Iron supplementation and dietary changes are typically used as treatment for this type of anemia. Receiving iron thru a vein may be necessary for some persons. The source of the bleeding should be found, and the bleeding must be stopped, if blood loss—other than during menstruation—is the cause of iron deficiency.
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which of the following is a consequence of acid deposition? group of answer choices it increases the likelihood of low-lying ground fogs. it results in offshore eutrophication, damaging coral reefs. it creates rainwater that can damage skin cells or cause cancers. it leaches important minerals from soils.
The answer states that one effect of acid deposition is that it leaches significant minerals from soils. When it rains, the acid that produced in the atmosphere is washed away and absorbed in the lithosphere.
Where does acid differing amounts take place?
If acid or chemical pollution in the atmosphere land on the surface of the Earth, this is known as acid deposition. This can happen from any type of precipitation, including rain, snow, and sleet, as well as from fog, gases, and dry particles.
What substances are present in acid deposition?
Acid deposition is created when sulfur dioxide (SO2), nitrogen oxides (NOx), and atmospheric moisture react to make sulphuric acid and nitric acid, respectively.
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If a cell is no longer able to differentiate into any type of tissue, it has become ________.
If a cell is not able to differentiate into any type of tissue it has differentiated.
Generic embryonic cells become specialized cells through cell differentiation. Gene expression is a process that causes something to happen. The precise combination of genes that are turned on or off (expressed or repressed) determines how a cell functions, and this is known as gene expression. Certain signals in your body, both inside and outside of your cells, cause gene expression.
All multicellular creatures' development, growth, reproduction, and long-term viability depend on the regulation of cell differentiation. Not only neurons but other cells also lose their capacity to divide as they age.
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HELP PLEASE!!! Match the correct term with the corresponding definition or description.
The image below has the solution. To read the text, enlarge it.
Match the correct term with the corresponding definition or description.
1. Matter- anything that has mass and takes up space
2. Rock formation - a region of rock that formed together as a single rock type
3. Rock cycle - Process where any rock type can be changed into any of the other type and back again depending on conditions
4. Erosion- movement of rock pieces and or sail from one place to another by natural processes
5. Deposition - smaller pieces of rocks are spread out across area
6. Compaction- the process of sediment being buried and pressed together
7. Cementation- eventually pieces get stuck together and becomes a rock
8. Energy - the ability to make things move or change
What is Rock?Any naturally occurring solid mass or mineral aggregate is referred to as rock. It is divided into groups based on the minerals it contains, its chemical make-up, and how it is produced.
The region of rocks that formed as a single rock type is known as the rock formation. Any rock type can be transformed into any other type of rock and back again through the rock cycle process, depending on the circumstances. Erosion is defined as the natural movement of rock fragments and/or sail from one location to another.
Thus, matching the correct term with the corresponding definition or description.
1. Matter- anything that has mass and takes up space
2. Rock formation - a region of rock that formed together as a single rock type
3. Rock cycle - Process where any rock type can be changed into any of the other type and back again depending on conditions
4. Erosion- movement of rock pieces and or sail from one place to another by natural processes
5. Deposition - smaller pieces of rocks are spread out across area
6. Compaction- the process of sediment being buried and pressed together
7. Cementation- eventually pieces get stuck together and becomes a rock
8. Energy - the ability to make things move or change
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Even in the absence of any mutations or crossing over, what process would still ensure genetic variability in the gametes produced by a single individual?.
Even in the absence of any mutations or crossing over, option C: independent assortment would still ensure genetic variability in the gametes produced by a single individual.
Each gamete has a unique DNA set because of recombination and independent assortment during meiosis. As a result, the resulting zygote has a unique set of genes. The chromosomes randomly move to different poles during meiosis due to a process called independent assortment. After meiosis, a gamete will have 23 chromosomes, but independent assortment means that each gamete will have one of numerous possible chromosome combinations. Thus, even without mutations, or recombination, or crossing over, genetic variations can be produced in an individual.
This rearrangement of genes into distinctive combinations boosts genetic diversity in a population and accounts for the differences between siblings of the same parents.
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Complete question is:
Even in the absence of any mutations or crossing over, what process would still ensure genetic variability in the gametes produced by a single individual?
None of these.
Random fertilization
Independent assortment
Separation of sister chromatids.
Mitosis
For which of the following conditions would you MOST likely encounter a ventricular peritoneum shunt?
Epidural hematoma
Hydrocephalus
Cerebral palsy
Subdural hematoma
You would most likely come across a ventricular peritoneum shunt if you had hydrocephalus under the conditions listed below.
An explanation of ventricular pleural shuntsIntroduction: Ventriculo-pleural reroutes (VPLS) drain extra cerebrospinal fluid to the pleural cavity as a different method of treating hydrocephalus. Pleural effusion will occur and accumulate as a result of imbalances between CSF production and absorption.
A ventriculoperitoneal shunt lasts how long?After several years, especially among younger children, VP shunts are likely to need to be replaced. The shunt in a newborn has a two-year lifetime on average. A shunt replacement may not be necessary for adults or kids older than 2 for 8 or more years.
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which structure is highlighted? external intercostal muscle sternum internal oblique muscle ribs and costal cartilage
Ribs and coastal cartilage is highlighted.
Costal cartilages are part of hyaline cartilage which serve to drag out the ribs forward and contribute to the elasticity of the walls of the thorax.
Costal cartilage present between your ribs and your breastbone permits the rib cage to be more flexible and also increases the ability to expand when you breathe.
This impact your rib cage that can cause a tear in this costal cartilage. Any damage in Rib cartilage creates a very painful situations. It often leads to severe pain while taking deep breaths, and even more pain while coughing.
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you were provided with two different ssdna oligonucleotides from which you produced dsdna. what procedure did you perform that facilitated the assembly of dsdna? what properties of dna made this possible?
Procedure performed that facilitated the assembly of dsDNA is : Golden Gate Assembly (GGA).
What is Golden Gate Assembly?Golden Gate assembly is also known as Golden Gate cloning and is created by Carola Engler and colleagues in 2008.
Golden Gate Assembly is an efficient way to quickly assemble multiple DNA sequences or parts into a single plasmid.
Golden Gate assembly is a molecular cloning method that allows a researcher to simultaneously assemble multiple DNA fragments into a single piece using Type IIS restriction enzymes and T4 DNA ligase.
Golden Gate assembly utilizes a Type IIS restriction enzyme which cleaves outside of non-palindromic recognition sequence and T4 DNA Ligase in a single-tube reaction.
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The introduction of the automobile in the United States encouraged the creation of what American cultural landscape?
Answer: thousands of miles of highways and roads.
Explanation:
Using hierarchical levels,explain how it is possible to create different types of cells and organisms
Which of the following represents a virus species name?
a. herpes simplex virus
b. herpesviridae
c. picornavirus
d. enterovirus
e. lentivirus
The correct choice is (B) Herpesviridae virus. Herpesviridae is a big or we can say large family of some DNA viruses that may cause infections and may have certain diseases in animals, as well as including humans.
Prevention: A vaccine was recently approved in the United States to prevent infection with the varicella-zoster virus. Vaccines against herpes simplex virus 2 and cytomegalovirus have been extensively evaluated in field trials. Passive immunization with immunoglobulin or hyperimmune globulin is used to prevent infection or as an adjunct to antiviral therapy.
Process: Infections with herpes simplex viruses 1 and 2 and varicella-zoster virus are currently the most treatable. Acyclovir, valacyclovir, and famciclovir are all approved treatments. Ganciclovir is used to treat cytomegalovirus retinitis. The B virus appears to respond to one of these drugs. There is still no cure for Epstein-Barr virus or human herpesvirus 6, 7, or 8 infections.
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the system consists of the heart and blood vessels, which together move blood throughout the body. multiple choice question. pulmonary cardiopulmonary cardiovascular coronary
The blood and lymphatic vessels that circulate through the body make up the vascular system, also known as the circulatory system.
Explain about the circulatory system?
The circulatory system's blood arteries direct blood away from and toward the heart. The arteries carry blood away from the heart, and the veins carry it back. The circulatory system transports nutrients like oxygen and hormones to cells and removes wastes like carbon dioxide.
This system helps tissues get the right amount of nutrients, oxygen, and waste disposal. It is common to refer to the lymphatic system as a part of the circulatory system because it connects to the blood system.
The heart and lungs are located in the thorax, or chest cavity. After passing through the body via the heart, blood is oxygenated in the lungs.
supplying the body's tissues, especially the lungs, with food and oxygen. the coagulation of blood, which contains immune system-supporting cells and antibodies, to limit excessive blood loss.
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how do both jetties and seawalls help manage beach erosion?
which of the following are advantages of using the spanning tree protocol (stp) in network segmented bridges? (select two.)
Advantages of using the spanning tree protocol (STP) in network segmented bridges:
STP lets you provide redundancy by using more than one connection between devices, which makes your network more stable.STP identifies the most efficient path through a bridged network.STP prevents message loops from forming.What is the Spanning Tree Protocol?The Spanning Tree Protocol (STP for short) is a network protocol that guarantees a loop-free network topology for Ethernet LAN links. The basic function of STP is to prevent link loops and the broadcast radiation that results from them. The result of STP is an unrestricted Ethernet frame loop that makes LANs usable.
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Whats the most common animal tested on today?
Answer: Mice and Rats
Explanation:
a researcher has sectioned a mouse embryo and notices that certain muscle components (especially myosin) aggregate around the early-stage cartilage of the ribs. which of the statements is true of these presumptive muscles? please choose the correct answer from the following choices, and then select the submit answer button. answer choices because they associate with the ribs, these muscles are likely components of the diaphragm. because they associate with the ribs, these muscles are likely developing intercostal muscles. these muscles likely only serve a supportive role for the ribs and will play no role in breathing. these muscles (when they are fully developed) will help to maintain a constant volume in the thoracic cavity.
b. Since they associate with the ribs, these muscles are likely developing intercostal muscles.
Intercostal muscles is groups of muscles that found in between the ribs, and helps to move chest wall. Intercostal muscles primary function is helping in mechanical aspect of breathing by expanding and shrinking the chest cavity.
Collagen is a protein that makes skin cells strong and resilient. They provides structural support to the extracellular space of connective tissues. Because of its rigidity and resistance to stretching, it is the perfect combination for skin, tendons, bones, and ligaments.
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Ddt was once considered a silver bullet that would permanently eradicate insect pests. Instead, ddt is largely useless against many insects. Which of these would have prevented this evolution of ddt resistance in insect pests?.
Non of the insect pests would have genetic variations that resulted in DDT resistance.
Dichlorodiphenyltrichloroethane (DDT) is an insecticide used in agriculture. United States banned the use of DDT in 1972. They are responsible for causing many Human health effects. EPA also issued an order for DDT on its adverse environmental effects, to wildlife, as well as on human health .
DDT have been broadly studied for their toxicity and carcinogenicity in animals and humans and shown to have an endocrine abolition potential affecting reproductive system although the effects may vary among animal species in correlation with exposure levels.
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True or False) DNA does not have to break apart to be copied.
Answer:
false
Explanation:
which statement regarding the lymphatic system is true?
a. Lymphatic capillaries possess one-way valves. These valves permit the uptake of fluid from the body but do not allow the fluid to low back out of the capillaries into the intracellular spaces.
b. The pancreas contains lymphocyles and macrophages that monitor the blood for microbes.
c. Lymph nodes are sites of activation of neutrophils, which destroy microbes.
d. The thymus serves as the site for activation of B cells.
The lymphatic system aids in the uptake of interstitial fluid and activation of lymphocytes.
The lymphatic system is a network of thin tubes and lymph nodes located throughout the body. These tubes are known as lymphatic vessels or lymph vessels. The lymph system is an essential component of our immune system. It aids in the fight against bacteria and other infections.
Tissues and organs that generate, store, and transport white blood cells that fight infections and other diseases. The bone marrow, spleen, thymus, lymph nodes, and lymphatic vessels are all part of this system. Lymph fluid flows through lymph vessels and into the bloodstream.
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where do we find high nutrient availability for photosynthesis? the tropics with a strong thermocline, iron rich sediments of the bathyal zones, surface zones of weaker thermoclines/stratification, near the surface at the centers of gyres
The places where we will get high nutrient availability for photosynthesis are the surface zones of weaker thermoclines. So, the third option is the best option.
Gyres are remote areas that are not suitable for photosynthesis at all. Phytoplanktons that fix most of the Earth's oxygen through photosynthesis are scarce in such regions as well. Bathyal zones are also not good for photosynthesis since no light really reaches these spots. They are really deep and dark, which means no sunlight for plants.
Areas with a strong thermocline are no good because they prevent the mixing of nutrients in the water. This means that regions of weak thermocline are what suit nutrient availability the best.
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what advantage might a segmented worm have over a non-segmented worm have in terms of movement?
The advantage of segmentation in segmented worms over non-segmented worms is strong and flexible movement.
Segmented worms are worms that have a segmented body with repeating units. Unsegmented worms are worms that do not have segmentation.
The main advantage of segmented worms over unsegmented worms is that segmentation allows these worms to move freely.
Each segment has its nerve and muscle tissue. Each has bristles called setae. When a worm moves through dirt, the bristles or setae aid in anchoring and controlling it.
While the other portion of the worm's body protrudes forward, the bristles firmly anchor one part of the worm to the ground.
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