Use organic in a sentence.

Answer:

C. Parasite, Host

Explanation:

A tick is a parasite. A parasite needs a host to feed/live off of.

Answer:

B.

Explanation:

The tick is the Predator and the dog is the Host

The answer to the given question is as follows: When both the sternocleidomastoid muscles contract, the head turns towards the opposite side.

The answer to the given question is as follows: When both the sternocleidomastoid muscles contract, the head turns towards the opposite side. These muscles are the pair of large muscles that run from the back of the ears to the clavicle (collarbone) and sternum (breastbone). They act as flexors of the neck and help with the rotation of the head. When the sternocleidomastoid muscles contract together, they can cause the head to flex forward or bow down, depending on the degree of contraction. In addition to rotation and flexion, the sternocleidomastoid muscles are also involved in side bending of the neck. The muscles are innervated by the accessory nerve and are essential for maintaining good posture. Dysfunction of the sternocleidomastoid muscles can lead to a variety of problems, including headaches, neck pain, and restricted range of motion in the neck. Hence, the contraction of the sternocleidomastoid muscles plays an important role in controlling the movement of the head and neck.

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Explanation:

Form and function are intimately related in human cells. The shape and structure of cellular components are often specifically designed to carry out their respective functions effectively. For example, red blood cells are disc-shaped with a concave center, which increases their surface area for efficient oxygen and carbon dioxide exchange. Neurons have long, branching extensions called dendrites and axons, allowing them to transmit electrical signals over long distances.

Epithelial tissues are composed of closely packed cells that form protective barriers and linings in the body. They cover external surfaces (such as the skin) and line internal organs and cavities (such as the digestive tract). In contrast, muscle tissues consist of cells that are specialized for contraction and movement. There are three types of muscle tissues: skeletal muscle, responsible for voluntary movements; cardiac muscle, found in the heart; and smooth muscle, which controls involuntary movements in organs like the intestines.

Epithelial tissues primarily function in protection, absorption, and secretion. They have tightly packed cells with minimal extracellular matrix. In contrast, muscle tissues are specialized for contraction and movement. They contain long, elongated cells (muscle fibers) that can generate force. Skeletal muscle is striated and allows for voluntary movements, while cardiac and smooth muscles have different structures and functions specific to their respective roles in the body.

In summary, the relationship between form and function is evident in human cells. Cellular structures are designed with specific shapes and arrangements to perform their functions efficiently. Epithelial tissues provide protective barriers and linings, while muscle tissues enable contraction and movement. Understanding the relationship between form and function helps us appreciate the intricate design of cells and tissues in the human body.

Plants that are sensitive to ethylene can experience early signs of senescence such leaf yellowing, abscission, or desiccation/necrosis as a result of exposure.This means that option c is correct.

Agribusiness output is determined by the growth and development of plants in various environmental settings. Photosynthesis, nutrient remobilization efficiency, and harvest index can all be affected by the growth, development, and senescence of a plant's organs.

Plant growth and production can both be increased by phytohormones. Plant development and senescence are regulated by the phytohormone ethylene. Being a multifunctional phytohormone that controls both growth and development

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One of the effects of high ethylene levels in plants is the inhibition of root elongation. This is because ethylene can interfere with the normal growth and development of plant roots, leading to stunted growth and reduced ability to absorb water and nutrients from the soil. Option D is Correct.

Ethylene is a hormone that is produced in plants in response to a variety of stimuli, including senescence, injury, and the perception of low light levels. In general, high levels of ethylene inside plant tissues can lead to a variety of negative effects, including premature aging, senescence, and death.

One of the effects of high ethylene levels in plants is the inhibition of root elongation. This is because ethylene can interfere with the normal growth and development of plant roots, leading to stunted growth and reduced ability to absorb water and nutrients from the soil. Other effects of high ethylene levels in plants include chlorophyll degradation, leaf yellowing, flower fading, and abscission (the premature falling off of leaves or other plant parts). Option D is Correct.

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Answer:

true

Ocean pollution is caused by the introduction of toxic pollutants such as industrial wastes , chemicals, oil spills and plastic litter.

Answer:

C.

Explanation:

"Cellular respiration, the process by which organisms combine oxygen with foodstuff molecules, diverting the chemical energy in these substances into life-sustaining activities and discarding, as waste products, carbon dioxide and water."

Answer:

its oxygen!

Explanation:

I just took this test on FLVS and this was a question, I answered with Oxygen and ended up with a 100% test score. Hope I could help!

The substrate's transition state is likely to bind most tightly to the enzyme.

In enzymatic reactions, the transition state refers to the intermediate state that the substrate molecules undergo during the conversion to products. The transition state is characterized by high energy and instability, and it closely resembles the shape and electronic configuration of the enzyme-substrate complex. Enzymes accelerate reactions by stabilizing the transition state, lowering the activation energy required for the reaction to proceed. The active site of the enzyme binds to the substrate and facilitates the formation of the transition state, allowing for more efficient catalysis. Since the transition state is structurally and electronically similar to the enzyme-substrate complex, it tends to bind more tightly to the enzyme compared to the substrate in its ground state. The enzyme's active site is specifically designed to accommodate the transition state, forming multiple interactions and maximizing the binding affinity. Therefore, the transition state of the substrate is expected to bind most tightly to the enzyme, ensuring efficient catalysis and facilitating the conversion of substrate to product.

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Answer:

As a cell grows larger in size, the transport of materials across the cell membrane may be affected in a number of ways.

One potential effect is that the rate of diffusion may decrease. This is because diffusion is a passive process that relies on the random movement of particles. As the size of the cell increases, the distance that substances have to diffuse across also increases, which can lead to a slower rate of diffusion. This can be especially important for substances that are essential for the cell's survival, such as oxygen, nutrients, and waste products.

Another potential effect is that the cell may need to invest more energy in active transport processes to compensate for the slower rate of diffusion. Active transport processes involve the use of membrane proteins, such as pumps and transporters, to move substances across the cell membrane against a concentration gradient. These processes require energy in the form of ATP, which can be costly for the cell.

Overall, the transport of materials across the cell membrane is important for maintaining homeostasis within the cell. This includes maintaining the correct balance of substances, such as ions and nutrients, as well as removing waste products. If the transport of materials across the cell membrane is impaired, it can lead to imbalances that may affect the cell's ability to function properly and maintain homeostasis.

Explanation:

If a cell is grew in size, the transport of materials across the cell membrane is affected negatively as there is also less plasma membrane available to transport substances in and out of the cell since the surface area is reduced.

Homeostasis may be defined as a state of balance among all the body systems that are frequently needed for the body in order to survive and function correctly and accordingly. It refers to any process that living things use to actively maintain fairly stable conditions necessary for survival.

The larger the size of the cell, the larger the volume, and therefore the more time it takes for substances to move through the cell. With larger cells, there is also less plasma membrane available to transport substances in and out of the cell since the surface area is reduced.

Therefore, if a cell is grew in size, the transport of materials across the cell membrane is affected negatively.

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Answer:

mini solar cells is the answer.

cytosol is composed of Water, dissolved ions, tiny molecules, and big water-soluble molecules make up the majority of the cytoplasm composition (such as proteins). enzymes speed up the cells chemical reactions.

Additionally, cytosol, a jelly-like material, is present inside every cell. Water and other chemicals make up cytosol, as do proteins called enzymes that quicken cellular chemical activities. Like fruit in a jello pudding, everything in a cell rests in the cytoplasm. Every protein starts its production in the cytoplasm. However, some enzymes are moved to other chemical reaction while the majority remain there permanently. Certain molecules are entirely produced in the cytoplasm.

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Answer:

Mango slices, like many fruits, are made up of cells that are surrounded by a selectively permeable membrane. This means that some molecules can pass through the membrane while others cannot.

When mango slices are placed in water, the concentration of water molecules outside the cells is higher than the concentration of water molecules inside the cells. This creates a concentration gradient, and water molecules move from the area of higher concentration (outside the cells) to the area of lower concentration (inside the cells) through a process called osmosis.

As the water molecules move into the cells, the cells become filled with water and begin to swell up. This is because the cell membrane is flexible and can expand to accommodate the extra water. The process continues until the concentration of water molecules inside and outside the cells is equalized, at which point the cells stop swelling.

In some cases, the swelling of fruit cells can cause the fruit to become softer or even burst open. This is why some fruits, such as watermelon and cucumbers, are often salted before being eaten - the salt draws water out of the cells and helps to prevent them from bursting.

Fats are made of one glycerol (alcohol) and 3 fatty acid chains, which is known as triglyceride (the basic unit of a lipid molecule).

A lipid is a broad category of biological macromolecules that are generally composed of a glycerol backbone linked to several fatty acid chains trough different chemical bonds.

In conclusion, Fats are made of one glycerol (alcohol) and 3 fatty acid chains, which is known as triglyceride (the basic unit of a lipid molecule).

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Several different cell types within the seminiferous tubules work together to create mature spermatozoa through spermatogenesis. These cells include Sertoli cells, spermatogonia, primary spermatocytes, secondary spermatocytes, spermatids, and mature spermatozoa.

There are several different cell types in the seminiferous tubules that participate in the process of spermatogenesis. These cell types include:Sertoli cells: These cells are columnar in shape and are located in the epithelium of the seminiferous tubules. Sertoli cells are involved in the regulation of spermatogenesis. They also help to nurture developing sperm cells through the secretion of growth factors and hormones.Spermatogonia: These are the undifferentiated cells that serve as the source of new sperm cells. They divide via mitosis, giving rise to more spermatogonia, as well as primary spermatocytes.Primary spermatocytes: These are the cells that arise from the differentiation of spermatogonia. Primary spermatocytes undergo meiosis to form secondary spermatocytes.

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Crossing over can create genetic variation. Crossing over is when chromosomes cross over they give + take a part of another chromosome which can create different variation in genes.

Answer:

Crossing over is the process by which genetic material is exchanged by non-sister chromatids during meiosis.  Crossing over results in a new combination of genetic information for the cell for a specific trait.  Crossing over ensures that organisms are not identical from generation to generation.  Genetic recombination allows for a variation in genetic material that is passed through the generations.

Explanation:

Answer:

Keystones species are very functional in the ecosystem in which there removal or absence as predators can lead to explosion of prey populations and decrease diversity. Keystone species help define an ecosystem and without they ecosystem can cease to exist.

Explanation:

Keystone species are predators species that help regulate the populations of other species through its activities or effects on the ecosystem. Keystone species exert both direct or indirect activities on the ecosystem. An indirect interaction occurs when species influence one another through their interactions with other species. Which can be inform of competition, interaction modifications e.t.c

Group 2A (or IIA) of the periodic table are the alkaline earth metals which is more reactive

Alkaline earth metals are good conductors. They have low ionization energies, low electron affinities, and low electronegativities. The alkaline earth metals have an oxidation state of +2 and an S subshell electronic structure occupied by two electrons denoted by Xs2. They are highly reactive under standard conditions. They have two outer valence electrons that are easily lost. They all exist in nature, but are found only in compounds and minerals, not in elemental form. They react with halogens to form compounds called halides. Alkali metals are group 1 metals of the periodic table, while alkaline earth metals are group 2. The main difference between alkali and alkali is that alkali metals have one valence electron and alkaline earth metals have two valence electrons

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Alpha-amylase and beta-amylase are two different types of enzymes that break down complex carbohydrates.

Alpha-amylase breaks down the long chains of glucose molecules into smaller, more manageable chains, while beta-amylase breaks down these smaller chains into simple sugars.

Salivary amylase and pancreatic amylase are two different types of alpha-amylase enzymes that are found in the human body. Salivary amylase is produced in the salivary glands and helps to begin the digestion of carbohydrates in the mouth. Pancreatic amylase is produced in the pancreas and is released into the small intestine to further break down carbohydrates into simpler sugars that can be absorbed by the body.

Overall, the main difference between alpha-amylase and beta-amylase is the type of bond they break in complex carbohydrates, while the difference between salivary amylase and pancreatic amylase is their location in the body and their specific roles in carbohydrate digestion.

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Acetyl-CoA contains a thioester bond which often provides the energy required for substrate-level phosphorylation.

This type of bond is formed between a carboxylic acid and a thiol group (-CO-SH) and is high in energy due to the electronegativity difference between the two atoms. When the bond is hydrolyzed, a large amount of energy is released, which can be used to drive cellular processes such as substrate-level phosphorylation. In this process, a phosphate group is transferred from a phosphorylated substrate to ADP, forming ATP. The energy required for this reaction comes from the hydrolysis of the thioester bond in Acetyl-CoA. Substrate-level phosphorylation occurs in the cytoplasm during glycolysis and in the mitochondrial matrix during the Krebs cycle. The thioester bond in Acetyl-CoA is therefore an important source of energy for cells, allowing them to generate ATP efficiently and sustain metabolic processes.

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Answer:

one meter is a little bigger than 3 feet

Explanation:

Answer:

Obe metre is the distance travelled by light in 1/299792458 of a second

Answer:

It is transmitted in the body through contaminated food.

Explanation:

These  rules of God's about health and sanitation have protected Israeli people from diseases which was caused by parasitic worms because these parasitic worms entered the body by not washing hands and contaminated food. These parasitic worms are present on the skin as well as in the food so the person can save itself from these parasitic worms if he or she wash hands properly before eating the meal and eat clean, fresh and healthy food.

Answer:

. A DNA molecule in a human chromosome can be up to 250 million nucleotide-pairs long; in contrast, most RNAs are no more than a few thousand nucleotides long, and many are considerably shorter.

Answer:

could you provide the diagram, otherwise I don't know which one you are talking about

According to Dr.Ward, the stabilizing power of the 2p mutations in spike proteins was discovered and developed in the year 2016.

The Coronavirus particle infection of human cells is made possible by the spike protein. Based on prior research on HIV and respiratory syncytial virus (RSV), the method entails locking the spike protein into a prefusion conformation.

The immune system can quickly identify it because of its placement on the exterior of the virus. Since it differs from other proteins your body makes, the spike protein is specific to SARS-CoV-2.

Your body won't be harmed by antibodies made against the spike protein because they exclusively attack coronavirus.Better than SARS-CoV RBD, SARS-CoV-2 RBD increased ACE2 activity. The prefusion trimeric structures of SARS-CoV-2 and SARS-CoV spike protein are remarkably similar.

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The two natures of insular biotas refer to their isolation and unique ecological characteristics. Insular biotas are typically isolated from mainland ecosystems and have evolved in distinct ways due to their insularity.

Two natures of insular biotas are:

1. Isolation: Insular biotas, being located on islands or isolated areas, experience limited interaction with other ecosystems. This results in unique species compositions and adaptations due to the absence of certain external influences.

2. Endemism: Insular biotas often have high levels of endemism, meaning many species found in these ecosystems are unique to that specific location. This is a result of the isolation, which allows species to evolve independently from their mainland counterparts.

This isolation has led to the development of unique species and communities, as well as increased vulnerability to threats such as invasive species and habitat loss.

The insular nature of biotas also means they are often more sensitive to environmental changes, making conservation efforts crucial for their survival.

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Answer:

The appearance of the mycobacterium is like rod shaped.

Explanation:

The structure of mycobacterium is rod liked and it is purple in color. The meaning of the word mycobacterium is fungus bacteria because it resembles with the fungus in its structure and appearance. Cell wall is the cell component which correlate with mycobacterium. The structure of cell wall is thick and made up of several layers of peptidoglycan which is formed from sugar and amino acid molecules.

Answer:

True

Explanation:

Do all living organisms have mechanisms for homeostasis?

All living organisms have ways of maintaining homeostasis. They have mechanisms for controlling such factors as their internal temperature, water balance, and acidity.

Answer:

A. Urban areas like downtown

Explanation:

Structures such as buildings, roads, and other infrastructure absorb and  re-emit the sun's heat more than natural landscapes such as forests and water bodies. Urban areas, where these structures are highly concentrated and greenery is limited, become “islands” of higher temperatures relative to outlying areas.

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Sun will contract, and then it will expand and become much larger than its current size. So, the correct option is (C).

The Sun is a type of star at the center of the Solar System, an almost perfect ball of hot plasma, heated to incandescence by nuclear fusion reactions in its core. The Sun radiates energy in the form of light, ultraviolet and infrared radiation, which is the most important source of energy for life on Earth.

In about 5 billion years the Sun will turn into a red giant. The core of the star will shrink but the outer layer will expand to the orbit of Mars, encircling the planet in the process.

Thus, Sun will contract, and then it will expand and become much larger than its current size. So, the correct option is (C).

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