When comparing the virus/bacteriophage to the host cell that it infects, which statements are accurate? Select all that apply

High amounts of calcium in the blood can result from a thyroid problem that prevents the production of the hormone calcitonin, hence thyroid and hypothalamus are the right options.

The primary coordination and control hub for the autonomic nerve system, the forebrain, contains the hypothalamus.

The autonomic nervous system controls body temperature and desires like thirst and appetite.

The thyroid gland, it is well known that the parafollicular cells in this gland generate the hormone calcitonin.

Therefore, as a result, it aids in controlling blood calcium levels, hence thyroid glands and hypothalamus are the right options.

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The given question is incomplete, so most probably complete question is,

A person always feels hungry, even a short time after eating. This person also has high blood calcium levels. This person could have a disorder with which glands?

Hypothalamus; thyroid

Pineal; thyroid

Hypothalamus; adrenal

Pineal; adrenal

The code for josh to use in his transcription GCC AGC UCA CUA

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A substitution mutation that does not result in a protein sequence change is known as Silent mutation .

Silent mutations happen when a single DNA nucleotide inside a gene's protein-coding region changes without changing the order of amino acids that make up the protein encoded by the gene.

Silent mutations, which can be either substitution mutations or point mutations, occur when a gene's DNA sequence is altered without having an impact on the amino acid sequence. As an illustration, the amino acid lysine's code, AAA, gets changed to AAG (which also codes for Lys).

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The substance that directly stimulates the first enzyme involved in this process is (A) Lactate.

In this case, the patient's blood glucose level is maintained through a process called gluconeogenesis, which is the synthesis of glucose from non-carbohydrate sources.

The first enzyme involved in this process is pyruvate carboxylase. Lactate (A) is converted to pyruvate, which then directly stimulates pyruvate carboxylase.

This enzyme converts pyruvate into oxaloacetate, and further steps in gluconeogenesis produce glucose.

The other substances listed (B, C, D, and E) do not directly stimulate the first enzyme involved in this process, making lactate the correct answer.

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Answer: Tagmosis

Explanation: Tagmosis allows  specialization  of different parts of the body for different function

The expected habitat of a fish that possesses the ability to produce copious amounts of urine and the ability to move ions via active transport across the gills would be c. Fresh water.

Freshwater fish must produce a significant amount of urine to maintain their internal salt levels as the salt concentration in their external environment is lower than in their internal environment.

This excess urine production helps them excrete excess water and retain the necessary salts for survival. An important adaptation for freshwater fish is the ability to transport ions actively across their gills. This ability allows them to take up salts actively from the water and maintain their internal salt levels.

If freshwater fish were unable to transport ions actively across their gills, they would be unable to regulate their internal salt levels effectively and would be at risk of dying.

In summary, the ability to produce large amounts of urine and actively transport ions across their gills are essential adaptations for freshwater fish to regulate their internal salt levels effectively and survive in their environment.
Therefore, the expected habitat of a fish with these traits would be fresh water.

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The main benefit of crossing over is that it increases genetic diversity.

Crossing over ensures that the daughter cells produced are genetically more diverse than their parent cells.

The exchange of chromosomal segments makes the chromosomes of the daughter cells to be more sophisticated than that of their parents.

Increased genetic diversity in daughter cells increases their chances of survival as more genes are present in their genomes that could potentially make them more adaptable to the environment.

In summary, crossing over increases genetic diversity and genetic diversity increases the chances of survival in the face of changing environment.

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Answer:

female child - 1/200 or 0.5%

male child - 1/12 or 8.33333%

Explanation:

It's a common problem that affects around 1 in 12 men and 1 in 200 women.

Answer:25 , 0

Explanation:

XX©(mother being the carrier as her father was hemophilia- females can only be carrier of hemophilia ) when crossed with normal father produces offspring XX©, XY, XY©, XY. Therefore chances of boy being hemophilia=(1/4)*100=25.

Chances of girl being hemophilia= 0.

have you ever heard of something called a p l a n t?

Enamel is indeed the hardest substance in the human body. It is present in teeth of humans. It covers every tooth and provides the hard layer.

Tooth Enamel is hard glossy substance that is comprised of calcium and phosphate mineral crystals which in return makes our teeth more stronger. Teeth enamel care is extremely important to maintain the oral health of teeth.

Tooth Enamel is one of the major tissue that make up tooth in humans. It covers the top layer of the teeth known as Crown. Calcium hardens the tooth enamel. Enamel contains 96% of the minerals. The color of Enamel varies from light yellow to white.

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Answer:Carbon dioxide (CO2)

Methane Emissions

Explanation:Carbon dioxide enters the atmosphere through burning fossil fuels (coal, natural gas, and oil), solid waste, trees and other biological materials, and also as a result of certain chemical reactions (e.g., manufacture of cement). Carbon dioxide is removed from the atmosphere (or "sequestered") when it is absorbed by plants as part of the biological carbon cycle.

Methane is emitted during the production and transport of coal, natural gas, and oil. Methane emissions also result from livestock and other agricultural practices, land use and by the decay of organic waste in municipal solid waste landfills.

Explanation:

Carbon Dioxide Emissions

Transportation. The combustion of fossil fuels such as gasoline and diesel to transport people and goods was the largest source of CO2 emissions in 2020, accounting for about 33% of total U.S. CO2 emissions and 26% of total U.S. greenhouse gas emissions. ...

Electricity.

Industry.

Until equilibrium is reached or all of the substrate has been eaten, the amount of product will continue to increase.

It is possible to identify enzyme catalysis by measuring the appearance of the product or the disappearance of the reactants. The same reactants may be used in a reaction, but a different catalyst may produce different results.

The more the temperature rises, the more crashes occur. As a reactant's concentration rises, the likelihood of reactant collisions increases as well, accelerating the rate of the reaction.

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Answer:

Answer:

its 445

Explanation:

Answer:

A. virus

HIV is caused by a virus. It can spread through sexual contact, illicit injection drug use or sharing needles, contact with infected blood, or from mother to child during pregnancy, childbirth or breastfeeding.

Polio, or poliomyelitis, is a disabling and life-threatening disease caused by the poliovirus. The virus spreads from person to person and can infect a person's spinal cord, causing paralysis (can't move parts of the body).

Explanation:

Hope this helps! =D

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Answer: Virus

Explanation: polio is also known as poliomyelitis or poliovirus and AIDS is caused by a virus

Answer:

An aminoacyl-tRNA is initially bound to the ribosome? After peptide bond formation takes place, what step is necessary for continuation of protein synthesis? ...

Explanation:

Seeds offer the embryo protection, nourishment, and a mechanism to maintain dormancy for tens or even thousands of years, ensuring that germination can occur when growth conditions are optimal. Seeds therefore allow plants to disperse the next generation through both space and time.

Pls mark as brainliest answer if it helps you

Answer:

C. Seeds protect the plant embryo and its food source

Explanation:

took the test

Cells are the basic structural and functional units of living organisms. They are classified into many types, each having its distinct shape and function. The following are the common cell shapes:1. Spherical Cells: Spherical cells are round cells.

Examples of spherical cells include red blood cells and fat cells.2. Columnar Cells: Columnar cells are long and thin cells. Examples of columnar cells are cells in the lining of the small intestine.3. Conical Cells: Conical cells are cone-shaped cells. Examples of conical cells are sperm cells.4. Cuboidal Cells: Cuboidal cells are cube-shaped cells. Examples of cuboidal cells are the cells of the liver.5. Spiral Cells: Spiral cells are shaped like a spiral. Examples of spiral cells are some bacteria.6.

Helical Cells: Helical cells are long and curved cells. Examples of helical cells are the cells of the inner ear. The correct answer is: Spherical, columnar, conical, cuboidal, spiral, and helical.

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Answer:

The trees and plant withstand rotting in tropical rain forest using some of these mechanisms.

Explanation:

Tropical rain forests are known for the presence of heavy rainfall, due to this, there might be a lot of water retention in the root. Some trees and plants however are able to store this water and use some of the below mentioned methods to prevent decay and rot.

Some trees in the tropical rain forest may produce very hard outer layer, these hard outer layer will protect the plant and trees form predators and microorganisms from penetrating into the inner tissues of the tree.

Some withstand rotting by producing chemical compounds, these chemical compounds prevents predators and microorganisms from destroying the plants and trees.

Pepsin is the enzyme that digests protein in the small intestine. Thus the answer is A) pepsin.

Pepsin is a stomach enzyme used to break down proteins in food that has been consumed. Pepsin is synthesized by the main cells of the stomach as pepsinogen, an inactive zymogen. It is one of the primary digestive enzymes in the digestive systems of humans and many other animals, and it aids in the breakdown of the proteins in food.

Theodor Schwann, a German physiologist, discovered pepsin in 1836. The Rockefeller Institute for Medical Research's American scientist John Howard Northrop published a study on its crystallization and protein composition in 1929. Northrop's work successfully purifying and crystallizing enzymes earned him a share of the 1946 Nobel Prize for Chemistry.

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The given article "The role of the c. elegans mena/vasp homolog unc-34 in neuronal polarity and motility" has mentioned the molecular and developmental study of how unc-34 genes affect the nervous system of Caenorhabditis elegans, a small nematode.

The article explains how the unc-34 genes are responsible for the coordination and directionality of the growth of axons and dendrites.

The paper in the given article describes the analysis of the role of the UNC-34 protein in the axonal and dendritic growth of the neuronal cells of Caenorhabditis elegans.

As per the article, the UNC-34 protein belongs to a family of conserved actin-binding proteins known as Ena/VASP (Enabled/vasodilator-stimulated phosphoprotein).

The UNC-34 gene encodes a homolog of Ena/VASP in the nematode C. elegans.UNC-34 protein and its homologs are required for the coordinated extension of filopodia and lamellipodia in a variety of cell types and organisms.

They regulate actin dynamics, leading edge protrusion, and cell motility.

In this study, the role of the UNC-34 protein in neuronal polarity and motility was examined in the nematode C. elegans. It was found that the UNC-34 protein is involved in the formation of axons and dendrites, as well as the directional growth of neurites.

Additionally, it was observed that the UNC-34 protein is required for the migration of neurons to their final positions.

The study indicates that UNC-34 plays a significant role in neuronal polarity and motility in C. elegans. It regulates the development of neurites and the directional growth of axons and dendrites. It also facilitates neuronal migration to their final positions.

Thus, the research highlights the importance of Ena/VASP homologs in the development of the nervous system.

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Xerophytic adaptations are the adaptations that allow plants to survive in dry or arid environments. The following combination of features exemplifies xerophytic adaptations:

Rolled leaves: This feature helps reduce the amount of leaf surface exposed to the air, thereby reducing water loss through transpiration.

Thick waxy cuticles: This feature helps prevent water loss by reducing the amount of water that can evaporate from the surface of the leaves.

Reduction in leaf area: This feature helps to reduce water loss by decreasing the surface area of the leaves that are exposed to the air.

Hairy leaves: This feature helps to trap moisture around the leaf surface, creating a more humid microclimate that reduces water loss through transpiration.

Therefore, the correct combination of features that exemplifies xerophytic adaptations is:

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In a glass of water, the most common ion found is the hydroxide ion (OH-) and the hydrogen ion (H+).

These ions are formed when water molecules dissociate through a process called self-ionization or autoionization.

In a glass of water, several ions can be found, originating from the dissociation of water molecules. The main ions present are hydrogen ions (H+) and hydroxide ions (OH-), resulting from the self-ionization of water.

Water molecules can break apart spontaneously into equal concentrations of H+ and OH- ions through a process called autoionization. This occurs when a water molecule donates a proton (H+) to another water molecule, forming H3O+ (hydronium ion) and OH-.

Additionally, other ions might be present in a glass of water depending on its source. For example, tap water can contain various dissolved ions like calcium (Ca2+), magnesium (Mg2+), sodium (Na+), chloride (Cl-), and bicarbonate (HCO3-). These ions come from minerals and other substances present in the water source, such as groundwater or surface water.

It's worth noting that the specific ion composition of water can vary depending on factors like location, treatment processes, and water source. However, the fundamental ions present in water are H+ and OH- resulting from the autoionization of water molecules.

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Answer:

Endocytosis

Explanation:

the process of capturing a substance or particle from outside the cell by engulfing it with the cell membrane. The membrane folds over the substance and it becomes completely enclosed by the membrane. ... The plasma membrane engulfs the solid material, forming a phagocytic vesicle.

Answer:The name for a complex gruop of organisms that are connected and interact with one another is "system." Systems can be found all over the animal kingdom. Most of the time, the organisms that belong to a particular system cooperate and collaborate with each other in order to remain healthy and safe. Moreover, systems tend to be very structured, and dedicated to the maintenance of balance within it.

Explanation:

There would be 192 Hela cells after 5 days and 6,291,456 Hela cells after 20 days.

Henrietta Lacks' cancer cells, which are known as HeLa cells, are a population that multiplies exponentially until a catalyst changes it. Her cells have been used in a variety of fascinating findings since her death in 1951, and they are not perishable.

The formula to calculate the number of Hela cells after a given time in days is given by C(x)=6*2^t, where t represents the time in days, C(x) is the number of Hela cells produced in x days.

Let us calculate the number of Hela cells after 5 days and 20 days.

We have been given that the number of Hela cells is 6.

So, let's plug in the value of t and calculate the number of Hela cells produced after 5 days and 20 days.

Calculating the number of Hela cells produced after 5 days:

t = 5C(x)

= 6 * 2^5

= 6 * 32

= 192 Hela cells.

Calculating the number of Hela cells produced after 20 days:

t = 20C(x)

= 6 * 2^20

= 6 * 1048576

= 6,291,456 Hela cells.

Answer:

So, there would be 192 Hela cells after 5 days and 6,291,456 Hela cells after 20 days.

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Cell scructure

Explanation:

I hope it helps

Answer:

Factors that affect the speed of a river include the slope gradient, the roughness of the channel, and tides.

Explanation:

Answer:

Pumps, also called transporters, are transmembrane proteins that actively move ions and/or solutes against a concentration or electrochemical gradient across biological membranes. One moves with the concentration gradient (high to low) which powers the movement of the other against the gradient (low to high).

Answer: C, secondary succession.

Explanation: A cycle of succession can not revert back to the beginning, especially because this is a tornado.

Answer:

C. secondary succession

Explanation:

Secondary succession occurs when a disturbance such as a fire, storm, or other event disrupts an existing ecosystem, and the community of organisms that previously inhabited the area begins to re-establish itself. In the case of a tornado destroying a deciduous forest, the ecosystem that was present before the tornado would be disrupted, and secondary succession would begin as the community of plants and animals in the forest begins to re-establish itself.