Esophageal varices are most commonly caused by a malfunction of the lower esophageal sphincter. True/False

Answer: Options A, B and C.

Use feedstocks that convert most/all of the plant to energy, not just kernels, Change the public view on biofuels??,

Be able to scale production up in an economical way

Use microbes to make oil?

Explanation:

In order for biofuels to become viable option the industry need to Use feedstocks that convert most/all of the plant to energy, not just kernels, Change the public view on biofuels, Be able to scale production up in an economical way, and Use microbes to make oil because biofuels are fuels produced from organic matter or living matter such as plant material and animal wastes which is use for transportation majorly.

In order for biofuel to become viable options, there should be increase in production in a way that is affordable,cheap and safe, use feedstocks that convert plants and animals remains since plants and animal remains are used for it's production and also some microbes are of economic importance's that help to breakdown or decompose plants and animals remains to make oil which is called biodesel use for transportation.

Explanation:

6.

12300 (1.23×1000)

7.

4900 (4.90×1000)

8.

10.02 (1002÷100)

9.

1002000 (1002×1000)

10.

520 (52×10)

11.

7070 (70.7×100)

12.

9.87 (987÷100)

13.

122200 (122.2×1000)

14.

10 (1000÷100)

15.

100000 (1000×100)

The motor nervous system is a system present in the brain to help animals to speak, move and breathe.

Motor neurons are cells in the brain and spinal cord that enable locomotion, speech, swallowing and breathing by sending commands from the brain to the muscles that perform these functions. Nerve fibers are the longest in the body, with single axons extending from the base of the spinal cord to the toes.

For motor functions, there are the oculomotor nerve, trochlear nerve, trigeminal mandibular nerve (V3), abducens nerve, facial nerve, glossopharyngeal nerve, vagus nerve, spinal nerve accessory muscle and N. hypoglossus muscle. These are the working of the motor nervous system.

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Answer:c

Explanation:Apex

Answer:

natural selection

Explanation:

This is what I found

natural selection is based on the following principles: In nature, organisms produce more offspring than are able to survive and reproduce.

Hope this helps

Answer: Overproduction.

Explanation:

Occurs when a species produces more offspring than will survive to maturity.

Answer:

D.5

Explanation:

The degree of the polynomial 3x^5 - 6x^2 + 5x is 5, so the answer is option D.

A polynomial is a type of algebraic expression that consists of variables, coefficients, and exponents.

There can be one or more terms in a polynomial, and the degree of the polynomial is determined by the highest power of the variable present in it.

For example, the polynomial 3x^2 + 4x + 5 has a degree of 2 since the highest power of the variable (x) is 2. In the given polynomial 3x^5 - 6x^2 + 5x, the highest power of the variable is 5, which means that the degree of the polynomial is 5.

Hence, the correct answer is option D.

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Answer:

B. shallow root systems

Explanation:

Brainliest Please

Answer:

Pros

Great benefits package! Healthcare mostly free for employees and lower cost for families. Free coffee, sodas, and some snacks. Break rooms and new and nice!

Cons

Privately own company comes at a cost in the aerospace industry. Long hours and weekends are mandatory. There seems to be a hierarchy in which you must move through in order to succeed for promotions. Outside experience is not has important as inside experience.

Answer:

true

Explanation:

every living thing reproduces

Answer: it can be in many forms for the movement of flower of sunflower is due to the stimulus light..

Explanation:

Bacteremia is a pathological condition characterized by the presence of bacteria in the bloodstream.

It occurs when bacteria from an infection elsewhere in the body enter the bloodstream and spread throughout the body. Bacteremia can be transient and asymptomatic or can lead to serious complications if the bacteria proliferate and cause infection in other organs or tissues. Prompt diagnosis and appropriate treatment are important to manage bacteremia and prevent further complications.

Identification of the nature and origin of a certain phenomena is known as diagnosis. To ascertain "cause and effect," diagnosis is employed in a wide range of fields, with differences in the use of logic, analytics, and experience. It is frequently used in systems engineering and computer science to identify the origins of symptoms, mitigations, and solutions.

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The cell part that allows us to use glucose and oxygen to make carbon dioxide, water, and ATP is the mitochondria.

Mitochondria are the cell parts that allow us to use glucose and oxygen to create carbon dioxide, water, and ATP. Mitochondria are the powerhouse of the cell and are in charge of cellular respiration, which converts food into energy that cells can utilize.The mitochondria are organelles within a cell that are responsible for producing the energy required by the cell. This energy is made in the form of ATP, which stands for adenosine triphosphate. Cellular respiration is a process that occurs in the mitochondria, and it is the process through which glucose and oxygen are converted into carbon dioxide, water, and ATP.

Cellular respiration can be divided into three main stages: glycolysis, the citric acid cycle (also known as the Krebs cycle), and oxidative phosphorylation. In glycolysis, glucose is broken down into pyruvate, and in the citric acid cycle, pyruvate is converted into acetyl CoA and then into carbon dioxide. Finally, in oxidative phosphorylation, ATP is produced from the energy stored in electrons carried by NADH and FADH2.

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RNA molecules fold into complex 3-D structures when base pairing occurs between nitrogen base pairs. The bonds forned are hydrogen bonds.

RNA molecules refers to nucleic acids which are built from ribose sugar molecules instead of deoxyribose as in DNA molecules.

RNA molecules as in DNA are composed of a sugar backbone, a nitrogenous base, and phosphodiester linkages.

The nucleotides found in RNA molecules are:

RNA is able to form complex 3-D structures even though they are single-stranded because of base pairing that occurs between adenine and uracil, and guanine to cytosine.

The bonds present in thebase pairs are hydogen bonds.

Hydrogen bonds are bonds which are formed between hydrogen and a highly electronegative atom such oxygen, nitrogen, chlorine, and fluorine.

In the RNA molecule, hydrogen bonds form betweenthe oxygen and nitrogen atoms of the either uracil, adenine, cytosine, or uracil.

These hydrogen bonds results in three-dimensional structures of RNA.

In conclusion, RNA molecules are single-stranded nucleic acids materials.

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Answer:

plant cells form the cell plate in between the two daughter cells in mitosis, 

Glycogen phosphorylase is an enzyme involved in the breakdown of glycogen, the storage form of glucose. The activity of this enzyme is regulated by both allosteric control and covalent modification.

Here, correct option is D.

Allosteric control is the binding of an effector molecule, such as glucose-6-phosphate, to the enzyme, which can increase or decrease the activity of the enzyme. Covalent modification involves the addition or removal of a phosphate group to the enzyme, which also can increase or decrease its activity.

ATP/ADP/AMP levels in the cell have no effect on the activity of this enzyme. Rather, the activity of glycogen phosphorylase is regulated by hormones such as glucagon, which increases the activity of glycogen phosphorylase, and insulin, which decreases the activity of glycogen phosphorylase.

Therefore, correct option is D.

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complete question is :-

The activity of glycogen phosphorylase: Group of answer choices

a. depends only on covalent modification.

b. depends only on allosteric control.

c. is independent of ATP/ADP/AMP levels in the cell.

d. depends on both allosteric control and covalent modification.

Answer:

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Explanation:

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Ear is a sense organ you in the human organisms.

There are three parts of human ear

The human ear consists of three parts:

External ear

Middle ear

internal ear

External ear consists of pinna which is also called auricle. it consists of external auditory meatus Tympanic membrane. Middle ear has Tumpanic cavity, Eaustachian tube, ear ossicles.

Internal ear consists of bony labyrinth, coccietc

Your ears have two main functions: hearing and balance. Hearing: When sound waves enter your ear canal, your tympanic membrane (eardrum) vibrates. This vibration passes on to three tiny bones (ossicles) in your middle ear. The ossicles amplify and transmit these sound waves to your inner ear.

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Once upon a time, I was a tiny seed nestled within the vibrant petals of a bright purple flower. My life as a seed was about to embark on a remarkable journey, driven by the wind as my seed dispersal strategy.

As the wind picked up, it gently tugged at my flower, causing me to break free from my secure attachment. I twirled and danced through the air, carried by the breeze. It was an exhilarating sensation as I soared higher and higher, embracing the freedom of flight.

Up in the sky, I saw the world from a different perspective. I admired the sprawling landscapes, the majestic mountains, and the sparkling rivers below. The wind, my trusted companion, guided me toward my destination—a fertile patch of soil where I would have the chance to grow and flourish.

As the wind gradually lost its strength, I began to descend. My journey had brought me to a vast meadow, dotted with wildflowers swaying in the breeze. The wind gently placed me among the soft blades of grass, providing me with a safe haven to begin my new chapter.

Nestled in the soil, I absorbed the nourishment it offered. With each passing day, I absorbed sunlight, water, and nutrients, fueling my growth. My tiny seed coat cracked open, and my delicate root emerged, reaching deeper into the earth to anchor me firmly.

Slowly, I grew taller, my tiny stem elongating and sprouting leaves to catch more sunlight. I marveled at the beauty of the meadow surrounding me—the vibrant colors of the flowers, the buzzing of bees, and the cheerful songs of birds that visited.

As the seasons changed, so did I. I blossomed into a mature plant, bearing vibrant flowers just like the one I originated from. Bees and butterflies were attracted to my colorful petals, ensuring the continuation of our species through pollination.

With time, my flowers transformed into tiny fruits, each containing numerous seeds like the one I once was. As the fruits ripened, I knew it was time to disperse my offspring and send them on their incredible journeys.

Once again, the wind came to my aid. As it rustled through my fruits, it carried my seeds aloft, just as it had carried me in my early days. The cycle continued as my seeds dispersed, each venturing into the world, ready to start their own stories of growth and resilience.

As I watched my seeds drift away, I felt a sense of fulfillment. From a tiny seed to a towering plant, I had played my part in the intricate dance of life, ensuring the survival of our species through the wind's gentle guidance.

And so, my story as a seed dispersal strategy came to a close, but the journey of life continued, carried forward by the wind, connecting the lives of countless plants and the vast beauty of nature.

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The layer of support tissue that holds the kidneys in the retroperitoneal position is called the renal fascia. The retroperitoneal position refers to the location of an organ behind the peritoneum

The renal fascia is a dense fibrous connective tissue layer that surrounds the kidneys and attaches them to the posterior abdominal wall. It helps to anchor the kidneys in place and provides support and protection

Now which is the membrane that lines the abdominal cavity. In the case of the kidneys, they are located behind the peritoneum, between the parietal peritoneum and the posterior abdominal wall, and are held in position by the renal fascia.

Therefore,  renal fascia is the layer of support tissue holds the kidneys in the retroperitoneal position

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Answer:

Explanation:

I THINK THIS IS HELPFUL

Answer:

To assure acontinuing abundance of water that is safe to use for people and future generations

Based on the provided information, the etiological agent responsible for the symptoms in the 3-month-old child is most likely Neisseria meningitidis.

This bacterium is a Gram-negative cocci found within neutrophils, and it can cause meningitis, which presents with symptoms such as a petechial rash and stiff neck. The cloudy appearance of the spinal fluid from the spinal tap further supports this diagnosis.

The symptoms described in the case of the 3-month-old child are consistent with meningitis, which is an inflammation of the protective membranes surrounding the brain and spinal cord. Meningitis can be caused by a variety of infectious agents, including bacteria, viruses, fungi, and parasites.

In this case, the presence of a petechial rash and a stiff neck strongly suggest bacterial meningitis, which is a medical emergency that requires prompt diagnosis and treatment. The cloudy appearance of the spinal fluid obtained from the spinal tap is also indicative of bacterial meningitis.

Neisseria meningitidis is a Gram-negative cocci bacterium that is known to cause meningitis, as well as sepsis and pneumonia, in humans. This bacterium is commonly found within neutrophils, which are a type of white blood cell that plays a critical role in the body's immune response.

Neisseria meningitidis is transmitted through close contact with respiratory or throat secretions of an infected person. The bacterium can be present in the nose and throat of carriers without causing symptoms, but in some cases, it can invade the bloodstream and cause severe disease.

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Answer:

shorter and higher

Explanation:

UV  is further along in the EM spectrum so has a higher frequency and shorter wavelengths than visible light.

Based on the information provided, we can conclude that the trait for a widows peak is most likely dominant.

When two individuals who are "pure" for different traits mate, their offspring inherit one copy of each trait from each parent. If one parent is "pure" for the trait of a widows peak and the other parent is "pure" for no widows peak, and all of their offspring have a widows peak, it suggests that the widows peak trait is dominant.

This means that individuals who inherit even one copy of the widows peak gene will express the trait. In this case, it appears that all of the offspring inherited at least one copy of the widows peak gene from their parent who was pure for the trait, resulting in the expression of the trait in all offspring.

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The best explains why this relationship exists is It increases the reproductive success of anglerfish females and males, option C.

Parasitism is a non-mutual symbiotic relationship between species, where one species, the parasite, benefits at the expense of the other, the host. The parasite damages the host, gradually reducing its fitness. Therefore, we can say that this is a kind of relationship that often occurs between anglerfish. The relationship between male and female anglerfish: In some species of anglerfish, the male fish are parasites of the females.

Because of this relationship, it was originally believed that male anglerfish did not have eyes, and that blind males would be less likely to find a female. The male's highly specialized olfactory organs, which help him locate a female, are located on his forehead. This relationship exists because it increases the reproductive success of anglerfish females and males. By fusing with the female, the male becomes a permanent supplier of sperm, and the female can spawn when it is optimal.

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Answer:

Enzymes are the catalysts involved in biological chemical reactions. They are the “gnomes” inside each one of us that take molecules like nucleotides and align them together to create DNA, or amino acids to make proteins, to name two of thousands of such functions.

Explanation:

i hope it helped you

Tactile Merkel disc receptor gives you the most information about location, texture, size and shape of the source of stimulation. So option (c) is the correct answer.

Merkel discs are a major type of tactile terminal organ composed of Merkel cells (MCs) and Aβ afferent terminals, and are very common in mammalian fingertips, touch domes, and hair follicles. Merkel's discs are highly tactile to physical features of objects such as texture, shape, and edges.

A special type of cell just below the epidermis (the top layer of the skin). These cells are very close to the contacted nerve endings and may be involved in the contact. Cells also contain substances that act as hormones.

Merkel discs are a major type of tactile viscera for sensing gentle touches and are essential for demanding sensory tasks such as social interaction, environmental exploration, and tactile identification.

Complete question:

Which type of tactile receptor gives you the most information about location size and shape of the source of stimulation?

a. root hair plexus

b. free nerve ending

c. tactile (Merkel) disc

d. lamellate (pacinian) corpuscle

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The side of the capillary bed that has the higher oncotic pressure is A. venous and lymph.

Oncotic pressure, also known as colloid osmotic pressure, is a force exerted by proteins, particularly albumin, in the blood plasma. It is responsible for drawing fluid back into the capillaries from the surrounding tissues.

In the capillary bed, fluids and solutes are exchanged between the bloodstream and the surrounding tissues. On the arterial side of the capillary bed, oxygen, nutrients, and other substances are delivered to the tissues. As a result, the concentration of proteins, including albumin, is relatively lower on the arterial side, leading to lower oncotic pressure.

On the venous side of the capillary bed, deoxygenated blood and waste products are carried away from the tissues. The venous side has a higher concentration of proteins, including albumin, due to the filtration of fluid and substances into the interstitial spaces. This higher protein concentration results in a higher oncotic pressure on the venous side.

Therefore, the venous side, along with the lymphatic vessels that drain excess fluid and proteins from the interstitial spaces, has a higher oncotic pressure compared to the arterial side.

Hence, option A is correct.

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