Five students get sick with a cold after a weekend field trip to the aquarium with their classmates. Which best explains why these students became sick?

A contact with an infected fish

B. contact with an infected person

C. contact with contaminated food

D contact with a contaminated water​

Answer:

TGAATGCGGCTA

Explanation:

The complementary DNA codes for A is T and for G its C

Answer:

TGAATGCGGCTA

Explanation:

Remember these are the complementary dna base pairs

adenine with thymine

thymine with adenine

cytosine with guanine

guanine with cytosine

so a would change to t

c to g

t to a

etc

after pairing each letter we would end up with

TGAATGCGGCTA

The following describe the inheritance pattern of autosomal genetic disorders.

Autosomal disorders is a form.of genetic disorders which is as a result of mutations in genes on the autosomes or chromosomes. Each person have two copies of autosomal gene, one of the alleles are inherited from each parent. Autosomal dominant disorders occur when there is a mutation in one copy of the gene.

Therefore, The following describe the inheritance pattern of autosomal genetic disorders.

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To evaluate a cystic mass present within the ovary that contains septations and internal nodularity, there are several methods that can be used to determine the level of suspicion for malignancy. Some of these methods include ultrasound, magnetic resonance imaging (MRI), computed tomography (CT) scans, and biopsy.

The use of ultrasound is a common method for evaluating ovarian cysts. Ultrasound can be used to determine the size, shape, and characteristics of the cyst, as well as the presence of septations and nodules.

Magnetic resonance imaging (MRI) and computed tomography (CT) scans can also be used to evaluate ovarian cysts, and can provide more detailed images than ultrasound.

Biopsy is another method that can be used to evaluate a cystic mass within the ovary. During a biopsy, a small sample of tissue is removed from the mass and examined under a microscope to determine if it is cancerous or benign.

This method is typically reserved for cases where the level of suspicion for malignancy is high, and other imaging methods have been inconclusive.

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Answer:

Descriptive research describes the characteristics of the subject of the study and experimental research manipulates the research and the study using certain variable to come to certain conclusions.

Explanation:

Answer:

descriptive describes the characteristics of the study. Experimental research manipulates the research.

Explanation:

When a sperm and an ovum fuse, a one-celled Zyogte is formed. zygote, the fertilised egg cell produced when a female gamete (egg, or ovum) and a male gamete combine (sperm).

The zygote stage is brief and is followed by cleavage, when the single cell divides into smaller cells, in the embryonic development of humans and other animals. The zygote is the embryonic stage at which a genetically distinct organism emerges. The zygote is diploid because it contains genes from both parents (carrying two sets of chromosomes).

All organisms, with the exception of bacteria, reproduce sexually, and a common characteristic of this process is the combining of haploid gametes to create a diploid zygote.

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Rocks and minerals can be broken down into soil particles by a confluence of physical, chemical, and biological weathering processes, which results in the production of soils.

Physical weathering refers to the mechanical deterioration of rocks and minerals. Chemical weathering is the process through which rocks deteriorate chemically. Biological weathering is the process through which people, animals, and plants deteriorate rock. Mechanical refers to tools or equipment.

Acids that develop as plant roots penetrate rocks can aid in the weathering process. This also took chemical weathering into account. Creatures that tunnel into shards of rock can move the surface. They expose more rock, which is then more vulnerable to deterioration.

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Glycosuria would occur if the Transport maximum and saturation level of the renal glucose transport protein is exceeded.

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The population of beetles in the next three generations, considering the carrying capacity, is y1 = 130 beetles, y2 = 130 beetles, and y3 = 130 beetles.

The population of beetles can be calculated using the formula: y = y0 * (1 + r)^n, where y is the population at a given generation, y0 is the initial population, r is the intrinsic growth rate (expressed as a decimal), and n is the number of generations.

Given that the initial population (y0) is 60 beetles and the intrinsic growth rate (r) is 150% (or 1.5), we can calculate the population for the next three generations.

For the first generation (y1), we substitute y0 = 60, r = 1.5, and n = 1 into the formula: y1 = 60 * (1 + 1.5)^1 = 60 * 2.5 = 150 beetles.

For the second generation (y2), we substitute y0 = 60, r = 1.5, and n = 2 into the formula: y2 = 60 * (1 + 1.5)^2 = 60 * 6.25 = 375 beetles.

For the third generation (y3), we substitute y0 = 60, r = 1.5, and n = 3 into the formula: y3 = 60 * (1 + 1.5)^3 = 60 * 15.625 = 937.5 beetles.

However, since the environment can only sustain a maximum population of 130 beetles, we need to consider the carrying capacity.

To find the population at each generation while considering the carrying capacity, we compare the calculated population with the carrying capacity and use the smaller value as the population.

For y1, the population is 150 beetles, which exceeds the carrying capacity of 130 beetles. Therefore, y1 = 130 beetles.

For y2, the calculated population is 375 beetles, which is also above the carrying capacity. Thus, y2 = 130 beetles.

For y3, the calculated population is 937.5 beetles, which is still above the carrying capacity. Therefore, y3 = 130 beetles.

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Looking at the Punnett Square in the question, the genotype that belongs in the first box with the red question mark is Dd, being a heterozygous for the trait.

Answer:

A specialty store is best defined as offering a narrow range of specialized products or services within a specific industry or niche. These stores typically focus on a particular category or type of product and provide a wide variety of options within that category. The products found in a specialty store are often unique, high-quality, or cater to specific customer preferences. Examples of specialty stores include boutique clothing stores, gourmet food shops, electronics stores specializing in a specific brand, or art supply stores. The key characteristic is that they offer a specialized and curated selection of products or services to cater to a specific target market or customer need.

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After the thalamus, auditory nerve signals reach the **auditory cortex**.

The auditory cortex, located in the temporal lobe of the brain, is responsible for processing and interpreting sound information received from the auditory nerve. After the thalamus, which acts as a relay station for auditory signals, the nerve signals travel to the primary auditory cortex, where they are decoded into specific features of sound, such as pitch and volume. The secondary auditory cortex then interprets these features to recognize and understand the sound. By following this pathway, our brain can effectively process and respond to auditory stimuli. In this process, the **thalamus** plays a crucial role in transmitting the signals to the auditory cortex.

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The structures that determine the flexibility of the extracellular matrix are proteoglycans and fibrous proteins.

Proteoglycans are complex macromolecules composed of a core protein attached to long chains of glycosaminoglycans (GAGs). They provide the extracellular matrix with its gel-like properties, which allow it to resist compression and provide flexibility.

Fibrous proteins, such as collagen and elastin, also play a crucial role in the flexibility of the extracellular matrix. Collagen is the most abundant protein in the extracellular matrix and provides structural support and tensile strength. Elastin, on the other hand, provides elasticity and allows tissues to stretch and recoil.

Together, proteoglycans and fibrous proteins determine the flexibility of the extracellular matrix and allow it to support and accommodate the movements of cells and tissues.

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Echinoderms presents a circumoral nerve ring that is connected to five radial nerve cords running between the circular and longitudinal muscles thorughout the body. So, even withouh a head and a brain, it is considered that they have a simple nervous system. Therefore, the correct answer is NERVOUS.

The protein with the linear chain sequence ser-his-thr-tyr represents the primary structure of the protein.

Proteins are the biomolecules that are made up of amino acids as the monomers. Proteins are the most essential biomolecules as they are involved in all the processes of the living organisms. They have structural, enzymatic and various other roles.

The proteins is made up of four levels of structures: primary, secondary, tertiary and quaternary. Primary structure is the one where the proteins exists as a linear chain of amino acids linked together by peptide bond. The primary structure is most essential as it decides the fate of further structures and also the function of the protein.

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When stabilizing selection occurs, the intermediate phenotype is favored, while extreme phenotypes experience reduced fitness. This leads to a more homogeneous population with reduced phenotypic variation.

When the intermediate phenotype of a trait is being selected for and the extreme phenotypes are being selected against, the population is likely undergoing stabilizing selection. Stabilizing selection is a type of natural selection that favors the average or intermediate phenotype of a trait, while acting against both extremes.

In this scenario, the selective pressure is acting to maintain the population's phenotypic mean. The intermediate phenotype is advantageous in the given environment, leading to higher fitness and increased reproductive success. As a result, individuals with extreme phenotypes, either too high or too low, experience reduced fitness and are less likely to survive and reproduce.

Stabilizing selection tends to reduce phenotypic variation within a population over time, as individuals with extreme phenotypes are progressively removed from the gene pool. This can result in a narrower range of phenotypic expression and a more homogeneous population.

Overall, the prevalence of stabilizing selection suggests that the current environmental conditions favor the intermediate phenotype, promoting the maintenance of a well-adapted and successful population.

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Answer:

yes if they were physically capable

The microscopic anatomical unit of excretion found in the kidney is the nephron. It is a complex structure responsible for filtering blood, reabsorbing necessary substances, and excreting waste products through the formation of urine.

The nephron is the functional unit of the kidney responsible for the processes involved in excretion. Each kidney contains millions of nephrons, which work together to maintain the balance of fluids and electrolytes in the body.

The nephron consists of several components, including the glomerular (Bowman's) capsule, glomerulus, renal tubules, and collecting ducts. The glomerular capsule is the initial structure of the nephron and surrounds the glomerulus, which is a tuft of specialized capillaries. These structures form the renal corpuscle, where blood is filtered to create a fluid called filtrate.

The filtrate then passes through the renal tubules, including the proximal convoluted tubule, loop of Henle, and distal convoluted tubule. Along these tubules, essential substances such as water, glucose, and electrolytes are reabsorbed back into the bloodstream, while waste products and excess substances are further excreted into the tubules.

The collecting ducts receive the filtrate from multiple nephrons and carry it towards the renal pelvis, where it eventually becomes urine. The nephron's intricate structure and functions ensure the regulation of fluid balance, electrolyte concentrations, and the removal of metabolic waste products from the body through urine formation.

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D. Jiang should use the library because he needs the most trustworthy sources he can find. Considering the need for trustworthy sources, the guidance from librarians, and the availability of comprehensive information, Jiang should use the library for his research on the history of baseball in the United States.

In the given scenario, Jiang needs to write a three-page essay about the history of baseball in the United States, and his teacher specifically emphasized the importance of using trustworthy sources. Based on this information, the most appropriate choice for Jiang would be to use the library rather than the internet.

Here's the rationale behind this choice:

1. Trustworthy sources: Jiang's teacher emphasized the importance of using trustworthy sources for his essay. While the internet provides a vast amount of information, it can be challenging to determine the credibility and reliability of online sources. In contrast, the library offers a wide range of scholarly books, academic journals, and other reliable resources that have undergone a thorough review process. By utilizing the library, Jiang can access high-quality and credible sources to support his essay.

2. Guidance from librarians: The statement suggests that Jiang might need help from a librarian. Librarians are trained professionals who can assist in locating relevant resources, navigating databases, and evaluating the credibility of sources. They can provide valuable guidance and support in finding reliable information for his essay.

3. In-depth and comprehensive information: Given that Jiang needs to write a three-page essay, it is essential to have comprehensive and in-depth information about the history of baseball in the United States. Libraries often house a vast collection of books, archives, and historical documents that provide extensive coverage of various topics. By utilizing library resources, Jiang can access detailed information, historical accounts, and in-depth analysis to enrich his essay.

The library offers reliable resources, expert assistance, and extensive materials that will enhance the quality and credibility of Jiang's essay.

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Answer:

Parasitism

Explanation:

This type of relationship involves one organism living with, on, or inside another organism and harming it. This relationship involves:

Host - the one being harmed in parasitism in this case the fish.

Parasite - the organism (the one doing the harm) that benefits in parasitsm in this case the leech.

Answer:

c

Explanation:

Answer:

c. shallow ocean

Explanation:

correct on edg 2022

The most likely reason for developing this type of transportation technology is the need for a more efficient and sustainable form of transportation.

Solar cars use an inexhaustible energy source, making them an ideal choice for commuters who want to reduce their environmental impact. Additionally, solar cars are more efficient than traditional combustion engine vehicles and require less maintenance, making them a cost-effective option for daily commuters.

Finally, solar cars are available in a variety of sizes and styles, making them suitable for a wide range of uses.

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When the introduction of gambusia results in the sudden abundance of algae, also known as an algal bloom, gambusia is likely to be concentrating on consuming the algae as their food source.

Gambusia, also known as mosquitofish, are small, freshwater fish that are known to be opportunistic feeders, meaning they will consume whatever food source is available to them.

Algae is a common food source for many species of fish, including gambusia, and is often abundant during algal blooms.

Gambusia are also known to feed on mosquito larvae, which can be found in stagnant water. However, during an algal bloom, the abundance of algae may make up the majority of their diet.

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Answer:

B Winds moving east push the current towards the Western coast of the United states

Explanation:

The intensity of the California current is influenced by strong northwesterly winds. These winds predominantly blow along shore, which because of the earth's rotation causes water to be transported in an offshore direction.

oh and

D  

the water cools and gets denser as it flows south, causing it to sink near the western coast of united states

The accelerated growth and advances in taxonomy as a science occurred during B. the Renaissance

This refers to the branch of science that has to do with the classification of plants and animals into a particular genus, or family based on shared characteristics and other biological factors.

Hence, we can see that during the Renaissance, the first breakthrough that occurred in the area of taxonomy came courtesy of the scientist Andreas Vesalius who wrote a treatise on the subject in the year 1543.

Also, the growing popularity of this topic led to the foundation of the first botanic garden in Padua, Italy.

Therefore, option B is the answer.

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The first major advance in taxonomy during the Renaissance was credited to the scientist Andreas Vesalius, who published a dissertation on the subject in 1543. Thus, option B is correct.

The Renaissance saw the development of both the telescope and the microscope. This was brought on by advances in lens manufacturing.

With the introduction of the printing press and an increase in readers, these better lenses also aided in the creation of spectacles.

Therefore, the accelerated growth and advances in taxonomy as a science occurred during the Renaissance.

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The nutrients are as follows;

Starch - Pasta

Fat - Margarine

Proteins - Lean chicken meat

Sugar - Jam

Protein is found in animal and plant-based sources. Animal sources include lean meats, poultry, fish, eggs, and dairy products. Plant-based sources include legumes (beans, lentils, chickpeas), tofu, tempeh, seitan, nuts, and seeds. Protein is essential for building and repairing tissues and supporting various bodily functions.

Healthy fats are found in sources such as avocados, nuts, seeds, olive oil, and fatty fish (salmon, mackerel, sardines). These provide essential fatty acids (omega-3 and omega-6), vitamin E, and help absorb fat-soluble vitamins.

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Answer: Replication

Explanation: When the cell is preparing to divide it will replicate its DNA so that both of the daughter cells will have a complete set of the DNA. It's like a book of instructions and the cell has to perfectly replicate it so that when it splits into two both of the new cells will have a perfectly made copy of it! Hope this helps :)

Answer:

True

Explanation:

Denaturing is a process in which protein looses its shape. Due to loss of shape (structure), protein also looses its function. This change in shape is due to change in temperature or pH of the protein.

Due to high temperature the shape of active site gets distorted due to which it becomes non functional. Change in active site of enzyme will  change shape of the enzyme and make it unfit for the substrate/reaction.