What epigenetic marker changes cause chromatin to open up?

Dihybrid cross ,the alleles used to form the zygote were the same. A mating experiment between two organism that are identically hybrid for two traits. Hetrozygous individuals ,used two different alleles to form the zygote.

Its a cross between two individuals with two observed traits that controlled by two different genes. This idea was developed by Gregor Mendal when he study on pea plants that were yellow or green and either round or wrinkled.

Dihybrid cross  genotypic ratio is 1:2:1. Third cross of two heterozygous parents and phenpotypic ratio is 9:3:3:1. It is class Mendelian ratio for a dihybrid cross in which alleles of different genes are independently into gametes.

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The structures that guard the nostrils and ear canals, preventing foreign particles from entering these areas are also called guard hairs or Vibrissae

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Annelids are the feature that distinguishes them.

Annelids are segmented worms while roundworms are not segmented. further, annelids have a true coelom at the same time as roundworms have a pseudocolor. this means annelids have a well-developed mesoderm whilst roundworms lack a mesoderm. those are the primary capabilities that distinguish annelids from roundworms.

The 3 main malicious programs phyla are flatworms, roundworms, and segmented worms. Roundworms have a digestive tube that has openings. Segmented worms have a closed circulatory system wherein blood is enclosed in blood vessels. These are crucial steps in the evolutionary development of animals.

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The primary explanatory framework for physiological control, homeostasis, has undergone major adjustment in recent years, with modern models varying greatly from the original formulation.

Allostasis, a different perspective on physiological control, extends beyond its homeostatic foundations, providing unique insights pertinent to our understanding and treatment of a variety of chronic health disorders. Despite increased interest in allostasis, the notion remains ambiguous, in part because of uncertainty in how the term is defined and used, hindering effective translational and clinical research on allostasis.

The processes behind physiological regulation and dysregulation are anticipated to have significant health and disease consequences.

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Answer:

important category of genetic linkage has to do with the X and Y sex chromosomes. These not only carry the genes that determine male and female traits but also those for some other characteristics as well.

Answer:

alleles that are carried on X and Y chromosomes

Explanation:

Edge

Answer:

a

Explanation:

Plants with higher numbers of stomata on the surfaces of their leaves would likely have higher rates of transpiration when compared to plants with lower numbers of stomata because almost 97 % of water from plants is lost through stomatal transpiration.

Transpiration is a process which involves loss of water vapour through the stomata of plants and this loss cools the plant down when the weather is very hot, so the water from the stem and roots moves upwards or is 'pulled' into the leaves.

The water remaining 97–99.5% is lost by transpiration and guttation through the presence of stomata in the leaves. In this process, water evaporates in the atmosphere from plant leaves and other part.

There are different types of transpiration which depends on the organ that performs transpiration

Thus, plants with higher numbers of stomata on the surfaces of their leaves would likely have higher rates of transpiration when compared to plants with lower numbers of stomata because almost 97 % of water from plants is lost through stomatal transpiration.

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Zapotec agricultural is grown where the climate aloows such that crops, staple, corn, beans and squash. Zapotec society is oriented villages and complete agricultural.

Hunting ,fishing and gathering all are wild foods which is also practiced. Zapotec people created by most successful farming civilization in the america. Elaborated network of canals, dams and terraced fields and stored the water for irrigation.

Zapotec exploited rabbits as their food sources used their hair in textile production and some ritual practices.Zapotec  people originated un the three central valleys were divided between different societies, which are separated by no mans land.They also maintained trade through Oaxaca.

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The correct answers are:

Lysosome - found in ANIMAL cells but not most plant cells

Cell wall - found in PLANT cells but not animal cells

Nucleus - found in both PLANT and ANIMAL cells

Chloroplast - found in PLANT cells but not animal cells

Rough endoplasmic reticulum (ER) - found in both PLANT and ANIMAL cells

All biological things are constructed from simple units called cells. Millions of billions of cells make up the human body. They give the body structure, absorb nutrients from the diet, transform those nutrients into energy, and perform certain tasks. Furthermore, cells may replicate themselves and hold the body's genetic material.

The various components of cells each serve a unique purpose. Organelles are specialized structures that carry out particular functions for the cell among these other sections. All biological things are constructed from simple units called cells. All biological things are constructed from simple units called cells. Millions of billions of cells make up the human body.

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Answer: Elements

Explanation: Elements are unique forms of matter with specific chemical and physical properties that cannot be broken down into smaller substances by ordinary chemical reactions.

Sympatric is the answer.

Sympatric speciation is the evolution of a new species from a surviving ancestral species while both continue to live in the same geographic area.

Sympatric speciation occurs when all members are in close proximity to each other, with no physical barriers to prevent species members from mating with each other. New species, perhaps based on different food sources or characteristics, appear to evolve spontaneously.

Speciation (biological definition): A form of speciation in which a new species evolves from a single ancestral species while living in the same geographic area. Orthotopic speciation is more common in plants. For example, a parent plant produces progeny that are polyploid.

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10% is the answer.

In contrast, the Type II curve describes birds, mice, and other organisms characterized by relatively constant mortality or survival throughout life.

Type II. Many bird species have a type II survival curve. On the Type II curve, organisms die almost evenly at each age interval. Organisms with this type of survival curve also have relatively few offspring and can provide important parental care.

The Type II survival curve shows near-constant mortality throughout the life of the species. This means that the probability of an individual dying is independent of age. The Type II survival curve is plotted as a diagonal down the graph.

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Identical daughter cells are produced as a result of mitosis whereas meiosis results in the formation of the daughter cells which are different genetically.

Mitosis and Meiosis are the stages of the cell cycle which can be further divided into stages called prophase, metaphase, anaphase and telophase. Mitosis results in the formation of two diploid daughter cells which genetically identical to the initial parent cell.
In the process of meiosis, the DNA gets exchanged between the chromosomes that are paired. This shuffling of DNA results in the formation of daughter cells after cell division which are genetically dissimilar.

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The circulatory system transports nutrients and oxygen to the cells and takes carbon dioxide and waste products to the lungs and kidneys for elimination.

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According to the research, the correct option is d. Leukocytes at the infected site are a symptom of trichomoniasis.

It is a sexually transmitted infection (STI) that can affect the urogenital tract in both men and women whose disease-causing agent is a parasite called Trichomonas vaginalis.

People with this non-fatal chronic type infection present a high value of leukocytes in the laboratory analysis since these indicate the establishment of the pathological process in the body and tend to increase to fight the infection.

Therefore, we can conclude that According to the research, the correct option is d. Leukocytes at the infected site are a symptom of trichomoniasis.

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The ability of a muscle to contract and relax is dependent on the flow of calcium out of and into its storage site in the muscle cell.

Microfilaments travel over thick filaments as muscles flex.

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The tunica media is composed of an endothelial layer that is continuous with the endocardium of the heart.

Collagen, elastin, and smooth muscle cells make up tunica media. It is located halfway between the tunica externa and the tunica intima. The transverse arrangement of its strands and color make the middle coat (tunica medium) distinct from the inner (tunica intima). It not only supports the vessel but also alters the vessel's width to control blood pressure and flow.

Elastic fibers make up the majority of the tunica media in bigger vessels. The number of elastic fibers reduces as arteries get smaller, whereas the number of smooth muscle fibers grows. The strongest of the three layers is the tunica adventitia, which is the top layer. Elastic and collagenous fibers make up its structure.

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Declarative memory type of memory was implicated in this entire episode.

One of the two types of long-term memory is explicit or declarative memory. Procedure memory is the other. Declarative memory is the consciously retained remembering of experiences, events, and knowledge applied to daily life. Semantic and episodic memory are two subsets of declarative memory that store facts that are consciously known. Independent of previous experiences, semantic memory is the process of storing broad knowledge. For instance, being familiar with phone numbers, foods, capitals, and particular words and definitions. The experiences, abilities, and life events that are remembered episodically are specific. Bicycling, going to a concert, and focusing on a particular person are some examples. According to this theory, the different memory kinds are interconnected and mutually supportive.

In reviewing his learning and memory lecture, Mike recalled that he said "this is an 'excited' area of humanity," which made no sense. The embarrassment overcame him so intensely that he had to call Dr. Baraban and confess his errors, lamenting at how he was a fraud. Mike looks back on this and cringes at his wretched display of low self-confidence. What types of memory were implicated in this entire episode?

Answer choices:

Emotional

Modal

Motor

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A high-energy electron is transferred along an electron transport chain to the inner mitochondrial membrane. Hydrogen is pumped out of the matrix space by the energy released. Through ATP synthase, the gradient produced by this forces hydrogen back through the membrane. when participating in the crucial process of oxidative phosphorylation.

Only a tiny portion of the glucose's totally free energy is released when it is transformed into pyruvate by the glycolytic process.
The breakdown of glucose into pyruvate within a cell's cytoplasm is known as glycolysis. The final phase of cellular respiration, known as oxidative phosphorylation, generates ATP using an ATP synthase gradient and a hydrogen ion gradient. The majority of the ATP produced during cellular respiration is produced during this process. Pyruvate can diffuse into mitochondria under aerobic conditions, where it enters the citric acid cycle and has reducing equivalents in the forms of NADH and FADH2.

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After the cerebellum receives proprioceptive information from muscles carrying out a voluntary movement, where does it send corrective feedback to primary motor cortex and cerebral nuclei.

The cerebellum, also known as the corticocerebellum, has a close connection to the regulation of movement timing, rate, range, length, direction, and strength. The cerebellum receives information from the command neurons and also obtains feedback (afferent) from the proprioceptive terminals of the muscles, tendons and joints regarding what the actual movements produce .

All these information are combined and the correction signals are given to the motor cortex. The motor nuclei of the cranial nerves and spinal cord exert the lowest level of motor control. Through the closed feedback loop, this occurs.

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Asynchronous development of hematopoietic cells within the bone marrow is the result of decreased cellularity of hematopoietic precursors in the bone marrow.

Hematopoietic stem cells are found in the peripheral blood and the bone marrow. Also called blood stem cell.

These cells begins as an unspecialized stem cell. This stem cell multiplies, and some of these new cells transform into precursor cells(Asynchronous).

After birth, and during early childhood, hematopoiesis occurs in the red marrow of the bone, with age, hematopoiesis becomes restricted to the skull, sternum, ribs, vertebrae, and pelvis.

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A Final statement or concluding statement PALA may activate ATCase at low Asp concentrations and saturating CP concentrations .

According to the Statement:

Instead of activation, inhibition occurs when PALA or Asp concentrations are high. The activation generated by low concentrations of PALA can be explained by the MWC model. The majority of the population of the enzyme does not transition to the R state at low Asp concentrations because the Asp concentration is insufficient to encourage this transition. As a result, the majority of the enzyme population is in the low-activity, low-affinity T state.

On the other hand, PALA binding, because of the way its structure resembles the transition state structure of the process, is able to keep the enzyme in the high-activity, high-affinity R state.

As a result, activity increases at low concentrations of PALA; but, as PALA concentration rises, more and more of the active sites are replaced by the non-hydrolyzable bisubstrate analog, and activity falls. At high Asp concentrations and a saturating CP concentration, PALA activation is not seen.

PALA binding just blocks the active site to which it binds and reduces activity because the enzyme population is already in the R state under these circumstances.

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A Final statement or concluding statement PALA may activate ATCase at low Asp concentrations and saturating CP concentrations .

However, increasing the concentration of PALA or Asp results in inhibition rather than activation. The MWC model can explain the activation caused by low amounts of PALA.

Because the Asp concentration is inadequate to promote the transition to the R state for the majority of the enzyme population at low Asp concentrations, the enzyme remains mostly in the low-activity, low-affinity T state. PALA binding, on the other hand, is able to maintain the enzyme in the high-activity, high-affinity R state because its structure mirrors the transition state structure of the process.

The concerted shift to the R state frees up the majority of active sites, allowing them to react with substrates and produce products, while a minority of active sites bound with PALA are inactive yet keep the enzyme in the R state.

As a result, activity rises at low PALA concentrations; but, as PALA concentration increases, more and more of the active sites are replaced by the non-hydrolyzable bisubstrate analog, and activity decreases. PALA activation is not detected at high Asp concentrations and a saturating concentration of CP.

Because the enzyme population is already in the R state under these conditions, PALA binding merely blocks the active site to which it binds and decreases activity.

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Correct answer is A. Rouleaux formation is characterized by an increase in ESR.

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Compound called tpp activates an enzyme critical in carbohydrate metabolism is a coenzyme.

Thiamine (vitamin B1) is a precursor of the well-known coenzyme of central metabolic pathways thiamine diphosphate (ThDP). Highly intense glucose oxidation in the brain requires ThDP-dependent enzymes, which determines the critical significance of thiamine for neuronal functions. Thiamin pyrophosphate (TPP) is a cofactor for a number of enzymes, such as transketolase, pyruvate dehydrogenase, and α-ketoglutarate dehydrogenase. TPP works as a coenzyme in many enzymatic reactions, such as Pyruvate dehydrogenase complex. Pyruvate decarboxylase in ethanol fermentation.

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Answer:  that the bacteria are more sensitive to the antibiotic in the disk.

Explanation:

Figure: Kirby-Bauer test: In Kirby–Bauer testing, discs containing antibiotics are placed on agar where bacteria are growing, and the antibiotics diffuse out into the agar.

The site for exchange nutrients and waste in capillaries.

Exchange of Gases, Nutrients, and Waste Between Blood and Tissue by diffusion Occurs in the Capillaries. Capillaries are very tiny blood vessels — so small that a single red blood cell can barely fit through them. They help to connect your arteries and veins in addition to facilitating the exchange of certain elements between your blood and tissues.

Plasma and interstitial fluid are very similar because water, ions, and small solutes are continuously exchanged between them across the walls of capillaries, through pores and capillary clefts.

Capillary walls contain small pores that allow certain substances to pass into and out of the blood vessel.

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Orange juice containing added calcium is an example of which type of food d. functional.

Orange juice is a liquid extract of the orange tree fruit, produced via the use of compacting or reaming oranges. it's miles to be had in several differing types. Orange juice refers back to the juice of oranges. it's miles made by squeezing the sparkling fruit, drying, and later rehydrating the juice.

regular consumption of Orange juice has been associated with numerous fitness benefits, which include advanced heart fitness, reduced irritation, and a discounted hazard of kidney stones.

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Answer:

o AB+

Explanation:

the recipient is a universal recipient

The number of mitochondria in a cell would be a general indicator of the extent of ATP production in that cell.

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