EXTRA CREDIT (3 points): Explain what is happening in this cartoon.

convergent boundry (subduction zone)

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Convergent Boundary is the answer

Answer:

Enzymes are the bio-catalyst produced by the body.

They increases the rate of bio-chemicals reaction taking inside the body.

They form enzyme-substrate complex in order to increase the rate of the reaction.

They are highly specific in nature.

The fact that ribosomes are ribosomes—the catalytic site is made of RNA, whereas proteins play a minor structural and auxiliary functional role—supports the RNA world concept. This was supported by the 2001 discovery of the ribosome's three-dimensional structure.

All living cells contain ribonucleic acid (abbreviated RNA), a nucleic acid with properties comparable to those of DNA. However, RNA is often single-stranded, unlike DNA. Instead of the deoxyribose present in DNA, the backbone of an RNA molecule is made up of alternating phosphate groups and the sugar ribose.

According to this theory, RNA served as a genetic information storage system and a catalyst for chemical reactions in early organisms. DNA didn't become the dominant genetic component until much later in the evolutionary process, and proteins took over as the primary catalyst and structural element of cells.

The RNA World theory would be supported by experimental data demonstrating that a completely self-replicating RNA polymerase ribozyme could be produced in a lab.

Thus, The fact that ribosomes are ribosomes the catalytic site is made of RNA, whereas proteins play a minor structural and auxiliary functional role.

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Examples of pure substances are elements and COMPOUNDS

2.Iron and aluminum are examples of  PURE SUBSTANCES

3.a MIXTURE is a physical combination of things that can be seperated

The study of chemicals and bonds is called chemistry. There are different types of elements and these are metals and nonmetals.

The correct answer is mentioned below.

According to the question, the correct answer is as follows:-

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It is important that the phospholipid bilayer is both hydrophobic in the surface and hydrophilic inside to control and manage the incoming organic compounds mainly water from exceeding the needed amount or destablizing the concentration established by the cells.

Hydrophilic is a characteristic of an object which is attracted to water or can synthesize with water. In contrast to hydrophobic like fats, oils and lipis which has a strong aversion and dislike to water molecules.

Transmembrane proteins are found in the plasma membrane. Hydrophilicregions are embedded within the membrane, and Hydrophobic regions project from both surfaces of the bilayer. 

Approximately 20-80% of the cell membrane is composed of lipids, the rest, is made up of protein. The lipid layer of the membrane gives it flexible and permeable characteristic. While the protein part assists in transport of molecules it needs to survive.

Answer:

The correct answers are:

1. closing

2. the ventricles and arteries,

3. a constricted trachea

Lub is the first sound of a heartbeat and is mentioned as S1. It is usually produced due to the closing of tricuspid and and mitral or bicuspid valves present between atria and ventricles.

Tricupsid is located between atrium and ventricle of the right hand side and mitral valve is located between atrium and ventricle of the left hand side. They prevent the back flow of blood from ventricles to their respective atria.

Dub, being the second sound is written as S2. It is produced due to the closing of pulmonary (located between right ventricle and pulmonary artery) and aortic valves (located between left artery and aorta).

These valves prevent the back flow of blood from arteries into the ventricles.

The time between the two sounds is often taken as the measure of the diastole i.e. ventricular filling.

Wheezing refers to a high-pitched sound produced when a person breathes, especially during exhale. It is caused by constriction of the airways or inflammation. It is considered as a symptom of various diseases such as asthma, COPD, allergies, bronchitis etc.

In listening to the heart using a stethoscope, 'lub' represents closing of the atrioventricular valves and 'dub' represents closing of the valves between the ventricles and arteries. Wheezing or whistling sounds when monitoring the respiratory system likely indicate a constricted trachea.

In listening to a heart using a stethoscope, the 'lub' sound represents the closing (1) of the atrioventricular valves. These valves separate the upper chambers, the atria, from the lower chambers, the ventricles. This closing of the valves prevents blood from flowing backward into the atria while the ventricles contract. The 'dub' sound signifies the closure of the semilunar valves, which are located between the ventricles and arteries (2). These valves prevent backflow of blood into the ventricles after the heart contracts.

Regarding the respiratory system, when using a stethoscope, a whistling or wheezing sound often signifies a constricted trachea (3). This condition may be caused by a variety of issues such as asthma, bronchitis, or other respiratory disorders.

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There's more to it than just large amounts of biomass to the creation of fertile soil because there's multiple factors that determine what will happen to that biomass and how it will affect the soil.

We can take the temperature, precipitation, and gradient of fall as examples.

The temperature is very important, if its high the decomposition of the biomass will be quick, and if it's very low the decomposition may take years to be completed and the soil to get the benefits of it. But, even if the temperature  is high, if there isn't enough precipitation, than the decomposition will not have any real effect on the soil and the soil will be sandy.

The precipitation is very important because it helps in the decomposition and for getting the nutrients deeper into the soil, so the bigger the amount of it, the better. But if the temperature is relatively low, than it will be a pretty slow process, and the soil will not get the full benefit of it.

The gradient of the fall, as a physical feature is very important because if the gradient is too big, than the biomass will gradually just get downwards with any wind and rain, and the slopes will not see, pretty much, anything from it. On the other hand, if the gradient of the fall is very low, than the biomass will be more stable on the ground, and its movement will be restricted, so the soil will benefit more, depending of course on the other factors as well.

The presence of large amounts of organic matter alone does not result in fertile soil because there needs to be a balance of both organic matter and nutrients in the soil to make it fertile.

The source of the sugar metabolized by the seed is photosynthesis.  

The procedure used by plants to transform light energy into a chemical form of energy is known as photosynthesis. The chemical energy can afterward be discharged to fuel the plants to perform their activities.  

During photosynthesis, carbon dioxide and water can be combined in the existence of chlorophyll and sunlight to generate oxygen and glucose (carbohydrates). However, the prime component generated in the procedure is glucose (sugar) that is the molecule, which generates energy to mediate the activities of the cell.  

The source of sugar metabolized by the seed during respiration is the stored carbohydrates in seeds and bulbs, which are converted into simple sugars like sucrose. Once the seed starts growing, the plant can produce its own food through photosynthesis.

The source of the sugar metabolized by the seed during respiration is the carbohydrates stored in seeds and bulbs. These carbohydrates, such as starch, are converted into simple sugars like sucrose through metabolic processes. Once the seed starts germinating and new shoots and leaves grow, the plant can produce its own food through photosynthesis.

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The answers would be

Cell Wall

and

Chloroplasts

The structures that are found in plant cells but not in animal cells are:

The plant cell contains few structures not found in animal cells. The most prominent are:

The lysosomes, ribosomes, vacuole and cell membrane are all found in both plant and animal cells.

Therefore the structures that are found in plant cells but not in animal cells are the cell wall and chloroplasts.

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The substances in our diet that make up myelin are avocados, fish, nuts, whole grains and any food rich in Vitamin B-1 and B-12. Omega-3 is good for mental health because it improves memory and removes all the symptoms of depression and can get you out of it. It also helps people who have mental illnesses.

The correct answer is option D, that is, nitrogen and phosphorus.  

Nucleic acids refer to the macromolecules comprising oxygen, hydrogen, phosphorus, and carbon. They are the small biomolecules or the biopolymers, playing an essential role in all the known forms of life.  

They comprise nucleotides that are the monomers formed of three constituents, that is, a 5-carbon sugar, a nitrogenous base, and a phosphate group. If the sugar is obtained from ribose as deoxyribose, then the polymer is DNA, and if the sugar is a compound ribose, then the polymer is RNA.  

The answer is; Uracil, Thiamine

The two different structurally, with thymine having a methyl group in its ring structure which uracil lacks. DNA does not have uracil because  Cytosine can be tautamerized and deaminate to produce uracil. Uracil is recognized by repair enzyme of DNA, nicked and replaced by cytosine. If uracil were a component of DNA, the repair systems would not be able to distinguish original uracil from uracil originated by deamination of cytosine. Thymine is more stable than uracil, a requirement for DNA which stores critical cell information.

Answer:

Pituitary Gland

Explanation:

The pituitary gland is the crucial gland of endocrine system and is located in the lower side of brain just behind the nose. This gland secrete hormones directly into the blood. The hormones secreted by pituitary affects the reproductive organ, adrenal gland and more specifically thyroid gland.

The gland regulate endocrine secretions by pancreas. The endorphins are certain chemicals helps in the reduction of pain.

Final answer:

Coin flipping is used to illustrate the role of chance in genetic inheritance and variability, mirroring the randomness in gamete formation during meiosis and the genetic combination at fertilization.

Explanation:

The concept of using coin flipping to simulate mitosis and meiosis relates directly to understanding how probability and inheritance play a role in biological processes. In sexual reproduction, particularly during the formation of gametes through meiosis and their subsequent union at fertilization, the same principles of probability that govern a coin toss are applicable. This is because the assortment of genes and the random combination of alleles during these processes can be represented using models that simulate chance events.

For instance, using pop-it beads to model the separation and duplication of chromosomes during mitosis helps visualize the replication and division of genetic material in a cell. Moreover, different activities involving evolutionary biology, such as the coin flipping analogy, are useful for demonstrating how chance and probability influence which alleles are passed on to subsequent generations. Understanding these principles is key to comprehending the genetic variability seen in populations, an important factor in evolution and natural selection.

The roots.

Hope this helps!

-Payshence

the presence of plants (APEX)

Terrestrial habitats are distinguished by their climate and vegetation, with temperature and precipitation being the key factors that determine the types of plants and animals that can thrive in a particular biome.

Temperature and precipitation are the key abiotic factors that shape the composition of animal and plant communities in these biomes. These habitats include a variety of biomes, such as tundras, temperate forests, grasslands, chaparral, deserts, and tropical forests.

The types of plants and animal communities present in a terrestrial biome are greatly influenced by the amount of precipitation and the temperature of the area. For instance, you will find sparse vegetation in deserts due to low rainfall, while tropical rainforests exhibit lush plant life due to abundant precipitation throughout the year.

These biomes can be found in various geographic locations with similar climates. Some, like the tropical wet forest biome, have high net primary productivity due to warm temperatures and consistent water availability. In contrast, biomes such as deserts and tundras have lower primary productivity because of extreme temperatures and limited water.

Therefore,  a distinguishing characteristic of terrestrial habitats is that they are primarily defined by their climate and the vegetation they support.

The answer is a neural tube.

The correct answer is: physical activity.

Basal energy expenditure is defined as  the amount of oxygen  (O2) which is consumed while resting and fasting, extrapolated to 24 hrs. Basal energy expenditure is used to determine an individual's caloric needs and it depends on gender, age, activity..

Answer:

The correct answer is C) Adenosine Diphosphate (ADP)

Explanation:

The correct answer should be A) Cell theory explains cell behavior where a law would describe it

Theories are used to explain phenomena, while laws just describe what will always happen. Such as the law of thermodynamics that describes what is going on inside a room when heat leaves it.

He is correct!! yuuuuuuup

Cilia are the structures on the ventral side of the planaria that propel it forward.

Planaria is a type of flatworm that belongs to the class Turbellaria. Some species of planaria are terrestrial, while some are aquatic. Planarians have a soft and ciliated body. Cilia are hair like organelles situated on the ventral dermis of the planarians. Cilia function for locomotion by propelling the planarians forward, and allowing them to move smoothly on a layer of mucus.

Answer:

The correct answer is option D.) enzymes.

Explanation:

Hello!

Let's solve this!

Catalysts are molecules that have the quality of accelerating reactions.

Let's analyze each of the options:

A.) carbohydrates: they are not molecules that accelerate reactions.

B.) vitamins: they are nutrients, they do not accelerate reactions.

C.) nucleic acids: do not accelerate reactions.

D.) enzymes: they are proteins that accelerate reactions, they are called biological catalysts.

After the analysis we conclude that the correct answer is option D.) enzymes.

Enzymes (D) are the group of proteins that serve as catalysts for metabolic reactions. They accelerate chemical reactions in a cell without being consumed or permanently changed.

The term used for the group of proteins that act as catalysts for metabolic reactions is known as enzymes. Enzymes are biocatalysts that speed up the chemical reactions in a cell without being used up or altered permanently in the process. They play a crucial role in breaking down food into molecules that the body can use. Their function as catalysts enables them to maintain life by regulating the rate at which reactions occur, sustains life.

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Intraspecific competition is when members of the same species compete for resources.

Using this definition, we know that:

1) competition is "compete", which is the latter half of the answer.

this leaves Intraspecific's definition in the beginning half of the answer

Intraspecific means "[something] existing within a species or individuals"

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Hi!

In an ecosystem, organisms compete for different resources. Intraspecific competition occurs when there’s competition for resources between members of the same species. What do you think the word interspecific refers to? Give an example with your explanation.

Answer:

The word intraspecific means that the same kind of an organism competes for something!

[tex]Work done = Force\times distance[/tex]

From the question,

work done is 520 J

Distance is 260 m

This implies that,

[tex]520 =F\times260[/tex]

[tex]F=\frac{520}{260}[/tex]

[tex]F=2N[/tex]

Hence the motor exerts a force of 2N .

The force exerted by the motor is 2 N.

The work done by the small motor can be calculated using the formula below.

⇒ Formula:

⇒ Where:

⇒ Make F the subject of the equation

From the question,

⇒ Given:

⇒ Substitute these values into equation 2

Hence, The force exerted by the motor is 2 N.

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A carbohydrate would be expected to contain the elements carbon, hydrogen, and oxygen. The ratio is generally 1 Carbon: 2 Hydrogen: 1 Oxygen. Examples are glucose and fructose.

In a carbohydrate, you would expect to find the elements carbon (C), hydrogen (H), and oxygen (O). The word carbohydrate literally means 'hydrated carbon'. The general empirical formula for a carbohydrate is CH2O. This means for every carbon atom, there are two hydrogen atoms and one oxygen atom. Examples include glucose (C6H12O6) and fructose (C6H12O6). Therefore, carbohydrates are composed of these three essential elements.

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