how do we manage the saftey of our ecosystem ??

Knowing that momentum is the product of an object's mass by its velocity (M = m*v), and having data about two of the terms, we can calculate any of these values by clearing the equation. In this case, V = 1644m/s (This is the speed).

Momentum is a term used to refer to the relationship between an object's mass and its linear velocity. It refers to the motion of the object.

Hence, to calculate the momentum of an object, we need to have mass and velocity ⇒ M = mv.

We can determine an object's momentum, but also, a system's momentum. We can do it by adding all the momentums of the objects involved in the system.

In the exposed example, we have the value of momentum (8,220 kgm / s) and the object's mass (horse's mass = 500kg). So we just need to replace the terms with the provided data and clear the equation to get the speed or velocity, v.

Knowing that,

M = m*v

8,220 kgm/s = 500 kg * v

(8,220 kg m/s) / (500 kg)= v

16.44 m/s = v

The velocity equals v = 1644m/s.

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Answer:Eukaryotic cells are generally much larger than prokaryotic cells, frequently having a cell volume at least a thousandfold greater. The compartmentalization provided by cytoplasmic organelles is what allows eukaryotic cells to function efficiently.

Explanation:

ABG test measures the amount of oxygen and carbon dioxide in your blood.

What is the ABG test?

The arterial blood gas analysis (ABG) examines the ratio of oxygen and carbon dioxide in your blood to determine the health of your lungs. Also measured is the blood's acid-base balance. Your kidneys and lungs strive to maintain a healthy acid-base balance.

The blood oxygen measurement in an ABG test indicates how efficiently your lungs transfer oxygen from the air into your blood when you breathe in. The carbon dioxide measurement indicates the efficiency with which your lungs eliminate carbon dioxide from your blood as you exhale. Carbon dioxide is an acidic byproduct your body produces.

Hence, the arterial blood gas analysis examines the ratio of oxygen and carbon dioxide in the blood.

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Integral proteins can be either monotypic or transmembrane. These last ones span the membrane and usually are channel proteins. In the image, protein G is the integral protein that spans the membrane.

Plasmatic membranes are composed of lipids and proteins.

Among the proteins, we can find integral proteins and peripheric proteins.

Integral proteins are permanently associated with the membrane.

They accomplish many different functions such as substances transport, cellular receptors, and cellular adhesion, among others.

According to how they are incrusted in the lipidic bilayer, integral proteins might be,

                                                      ⇒ present in every membrane cells

                                                      ⇒ usually channel proteins

Integral proteins provide structure to the plasmatic membrane, but they do not maintain its strength.  

In the image, only protein G seems to be integral and transmembrane. This is the only one that spans the entire membrane.

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The locations for three genes have been added to this cartoon. For clarity, the locations have only been noted on one chromatid. The lowest frequency of crossovers would occur between genes  a and b.

What are chromatids?

A chromatid is known as one of the two identical halves of a chromosome that has been replicated in preparation for cell division. There are normally  two “sister” chromatids which are joined at a constricted region of the chromosome called the centromere but during the anaphase stage of a cell division, They get torn apart and they are distributed among the cytoplasm of each daughter cell.

A vast quantity of DNA that is arranged physically into a single structure is called a "chromosome." Because of this, the "sister chromatids" are regarded as being separate chromosomes even though they are joined together. Each chromatid is thought to be its own chromosome once they are divided during anaphase.

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Answer: B

Sun-Autotroph-Heterotroph-Decomposer

The company will fail because

1- The car is fully dependent on the wind. While driving down the road, there won't always be wind.

2- If the wind suddenly stops in the midst of the road, the car is also stopped.

3- Wind is used as fuel in the car. So the wind's potential strength may not be sufficient to propel the car.

4- No system can ever produce 100% of what is expected.

What do you mean by mechanical energy?

Mechanical energy, also known as kinetic energy or potential energy, is the energy that an object possesses when it is in motion or the energy that an object stores due to its location. Renewable energy is also fueled by mechanical energy. In order to efficiently produce electricity or convert energy, many sources of renewable energy depend on mechanical energy.

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In the nucleus of eukaryotic cells, all of the DNA is divided into multiple chromosomes, which are continuous, long strands of DNA wrapped around proteins.

What are chromosomes?

The related proteins that give the connecting nucleic acid bases on a chromosome their shape are made up of a string of DNA. Since the chromosome is in a loose shape during the interphase of the cell cycle, proteins may be translated from the DNA and DNA can be duplicated. The chromosome condenses during mitosis and meiosis in order to be arranged and divided.

Chromatin is the material made up of all the chromosomes in a cell and all the proteins that are connected to them. Prokaryotes typically have a single chromosome that is arranged in a ring-like or linear pattern. Most eukaryotic species have many chromosomes in their chromatin, as will be discussed later in the article. A portion of the genetic code required to create an organism is carried on each chromosome.

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Carbon source are Combustion, Respiration.

Carbon sink are Photosynthesis, Ocean absorption and Fossilization.

A carbon sink absorbs carbon dioxide from our atmosphere whereas carbon source are natural or artificial production site of carbon.

Photosynthesis: Forests are carbon sinks that absorb more carbon than they release. They take out carbon from the atmosphere by the process of photosynthesis.

Combustion:  Combustion of fossil fuels is a great source of carbon dioxide. Chemical process in which a substance reacts rapidly with oxygen and gives off heat and CO2 is called combustion.

Respiration:  The respiratory system takes in air from the environment to the lungs and facilitates gas exchange in the lungs and cells. Eventually, it gives out CO2 in the atmosphere.

Fossilization : Formation of fossils from dead plants and animals is a carbon sink.

Ocean absorption: Phytoplankton are the reason that ocean is one of the biggest carbon sinks. These microscopic marine algae and bacteria play a important role in absorbing carbon.

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Answer:

plato/edmentum users you're welcome :)

Explanation:

Answer:

c Hyaline cartilage

because Hylaine cartilage have one or two nuclei

Hyaline cartilage is the type of connective tissue in this figure. So, the correct option is (C).

Connective tissue is defined as the tissue that supports, protects and structures other tissues and organs in the body that also stores fat, helps transport nutrients and other substances between tissues and organs and helps repair damaged tissue. Connective tissue is made up of cells, fibers, and a gel-like substance.

Connective tissue can be divided into three categories:

1. Loose connective tissue,

2. Dense connective tissue,

3. Specialized connective tissue

The hyaline cartilage matrix is ​​composed of type II collagen and chondroitin sulfate, both of which are also found in the elastic cartilage present at the sternal ends of the ribs, in the larynx, trachea and bronchi, and on the articular surfaces of bones. They contain more than one nucleus.

Thus, Hyaline cartilage is the type of connective tissue in this figure. So, the correct option is (C).

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Akt, a serine or threonine kinase also known as PKB, is essential for controlling a variety of cellular processes, including as EC migration and survival, gene transcription, and protein synthesis important for angiogenesis.

Akt activates mTOR, which in turn regulates protein synthesis and cell growth. p70-S6 kinase-1 and 4E-binding protein 1 are phosphorylated by mTOR, which controls the synthesis of proteins important for angiogenesis. The activation of the highly conserved PI3K-PKB/Akt pathway is carefully regulated by a multistep process. Class 1A PI3Ks bound via their regulatory subunits or adaptor molecules, such as the insulin receptor substrate (IRS) proteins, are directly stimulated by activated receptors. Phosphatidylinositol (3,4)-bisphosphate (PIP2) lipids are converted to phosphatidylinositol (3,4,5)-trisphosphate by the catalytic domain of PI3K as a result of this (PIP3).

When PKB/Akt binds to PIP3 at the plasma membrane, PDK1 can enter the "activation loop" and phosphorylate T308 to partially activate PKB/Akt. By directly phosphorylating and inactivating tuberous sclerosis protein 2 (TSP2) and proline-rich Akt substrate of 40 kDa (PRAS40), this PKB/Akt alteration is sufficient to activate mTORC1 (TSC2). By influencing a variety of downstream components involved in regulating the G1/S and G2/M transitions, growth-factor-activated Akt signaling supports progression through regular, undisturbed cell cycles.

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The reactant of light dependent reactions are: (2) Water, sunlight, NADP+, and ADP.

The light dependent reaction is the one which depends upon the direct source of sunlight energy to make the products like ATP and NADPH. These are the sources of energy that are used in the dark reactions for the synthesis of glucose.

NADP+ is an electron carrier. The full form is Nicotinamide Adenine Dinucleotide Phosphate. It is an oxidized form while its reduced form is NADPH. It is the product of light reaction and is also an essential part in dark reaction for the synthesis of glucose.

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Aluminium is a substance that has the smallest density as compared to other metals.

Density is defined as the mass per unit of volume of a substance. The symbol used for density is ρ. Mathematically, density is the mass divided by volume.

Iron is a chemical element having the symbol Fe and its atomic number is 26. It is a metal that belongs to the first transition group of the periodic table. The density of iron is 7.874 g/cm³. Gold is an element with the symbol Au and its atomic number is 79. Gold is one of the largest atomic numbers of elements that are present naturally. The density of gold is 19.32 g/cm³. Pure silver is white in colour, lustrous, soft, ductile and malleable, it is a good conductor of heat and electricity. The density of silver is 10.49 g/cm³. It is not a chemically active metal, but when it is reacted with nitric acid and sulfuric acid. The density of aluminium is2.7 g/cm³.

So we can conclude that Aluminium has the smallest density as compared to Iron, Gold and Silver.

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The structural aspect of the DNA facilitates the dissociation of the two DNA strands for replication Base pairs are connected via hydrogen bonds.

Bases and hydrogen bonds combine to produce the double helix structure of DNA. While C and G are joined by three hydrogen bonds, A and T are bound together by just two. Multiple hydrogen strands and the DNA helical structure work together to maintain the structure even though hydrogen bonds are noncovalent, weak connections.

Since hydrogen bonds are noncovalent and weak, enzyme activity during the development of the replication fork when DNA replication occurs can easily break them. In order to serve as the parent strand on which the new daughter DNA strands are created, two DNA strands must be separated throughout this process.

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Hydrogen-oxidizing bacteria are the members of gram-negative bacteria, metabolism involves using hydrogen as an electron source and oxygen as a terminal electron acceptor, hence forming water.

Gram-negative genera Aquifex and hydrogenobacter stand for "water-maker"  to indicate hydrogen oxidation and terminal electron transfer to oxygen. They are chemoautotrophs, that share the ability to oxidize H₂ and fix CO₂ to provide energy and synthesize cellular material. Applicatated for resource recovery and pollution removal.

They are known to grow at the highest temperature and grow usually at neutral or slightly acidic pH. These microorganisms use CO₂ assimilation pathways. They are metabolically versatile chemolithoautotrophs, using reductive tricarboxylic acid (rTCA) cycle.

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Answer:

One of the main and best known functions of plant organisms is that of photosynthesis, which distinguishes them from any animal or prokaryotic cell. Through photosynthesis, plant organisms are able to make their own food by using sunlight and water.

C[tex]O_{2}[/tex]  produced is used for Photosynthesizing cells to form new carbohydrates.

During cellular respiration carbon dioxide is given off the waste product.

Photosynthesis makes the glucose that is used in the cellular respiration to make ATP. The glucose is then turned back into carbon dioxide which is used in photosynthesis. While water is broken down to form oxygen during photosynthesis in the cellular respiration oxygen is combined with hydrogen to form water.

Also in the process of cellular respiration oxygen gas serve as an acceptor of electron.

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Answer:

B and C

Explanation:

Answer:

b and c i needed my weekly answered questions but the answer before mine was 100% correct it helped me a lot

Explanation:

Answer:

A:Mitochondria have circular DNA molecules that resemble the circular DNA found in prokaryo

Answer: A, C, D

Explanation:

Answer:

Chromatid

Explanation:

A chromatid is one of the two identical halves of a chromosome that has been replicated in preparation for cell division. The two “sister” chromatids are joined at a constricted region of the chromosome called the centromere.

The type of inheritance pattern that is best described by the illustration is incomplete dominance.

In genetics, incomplete dominance is a situation where one of the alleles that make up a gene exerts a kind of partial dominance on the other allele.

Thus, instead of the phenotypic expression of the gene being that of the dominant allele in heterozygous conditions, a new phenotype that is a mix of the two alleles results.

For example, if A conditions red and is dominant over a which conditions white, an Aa genotype will be red in appearance in a simple dominant/recessive case. In an incompletely dominant situation, a phenotype consisting of a red and white mixture will be formed.

Thus, if a red shorthorn cow mates with a white bull to produce a roan color offspring, the inheritance pattern is incomplete dominance.

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The force driving simple diffusion is , while the energy source for active transport is .the force driving simple diffusion is , while the energy source for active transport is a concentration gradient ATP hydrolysis.

Diffusion is defined as the movement of molecules down a concentration gradient from a higher concentration region to a lower concentration region.

It is also defined as a process caused by random motion of molecules that results in a net flow of matter from a high concentration region.

There are two types of diffusion.

Thus, the force driving simple diffusion is , while the energy source for active transport is .the force driving simple diffusion is , while the energy source for active transport is a concentration gradient ATP hydrolysis.

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Answer:

Explanation:

я не знаю

Answer:  The Cat, The cat has 230 bones and the most common cat behaviors include purring, grooming, kneading and climbing. The one functional adaptaton of the feline is its retractable claws, acute eyesight, and agility. Together, these adaptations enable cats to capture prey with great skill and efficiency. (My Answer)

Explanation: Edmentum Answer:

Black widow spiders have the ability to create and inject venom into their prey, which is a functional adaptation. The red hourglass marking on their body warns other organisms that they’re toxic, so this is a structural adaptation. These spiders spin and repair their webs. This action is a behavioral adaptation that helps them catch prey

a)They contain 100 distinct peptides that are classified as neurotoxins. Each cone snail peptide has the ability to connect to any ion channel.

b)The nervous system of the prey malfunctions because it inhibits action potentials and blocks ion channels. These toxin compounds are helpful for isolating and precisely blocking certain ion channels, just like tetrodotoxin.

Pepsins are created by your body. These are collections of amino acid strands, which serve as the "building blocks" of proteins. A peptide does not, however, contain as many amino acids as a protein.

Some of the peptides your body produces can be replicated in a lab. Some of them are found in used to treat everything from diabetes to multiple sclerosis. According to studies, some kinds may be good for your skin, muscles, and possibly even weight. Therefore, businesses are including them in over-the-counter food supplements and skin care items. Remember that unlike pharmaceuticals, cosmetics and dietary supplements aren't as closely regulated by the FDA. Use cautious therefore when purchasing and utilizing peptide products. A healthy skin produces the proteins collagen and elastin with the aid of collagen peptides.

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By measuring angle of impact help investigators in determining the actions that may have taken place at the scene. The look of the resulting stain varies with the angle of impact.

The acute angle created between a blood drop's path and the plane of the surface it touches is known as the "angle of impact." Following the collision, the blood droplets that arise move through the air like a sphere. An ellipse is made when a drop of blood strikes a surface at an angle.

Bloodstains can be divided into three categories: projected or impact stains, transfer stains, and passive stains. Passive stains, which can take the form of droplets, flows, and pools, are frequently caused by the weight of an injured body. Transfer stains are caused by things contacting bloodstains already present and leaving behind wipes, swipes, or pattern transfers, such as a bloody shoe print or a smear from dragging a body. Impact stains, which are typically observed as spatter but may also include gushes, splashes, and arterial spurts, are caused by blood that projects through the air.

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Answer:Proteins are a large complex,molecules that play critical roles in the body.You need protein in your body to repair body cells and make new ones.Also it is important in growth and development in childern and teens.

Explanation:

The ability of an enzyme molecule to interact with specific molecules is most directly determined by the shapes of the molecules involved (option A).

Enzyme is a globular protein that catalyses a biological chemical reaction. Enzymes are generally known to be substrate-specific, meaning that they target specific substrate molecules.

According to this question, an enzyme called amylase will affect the breakdown of carbohydrates, but it will not affect the breakdown of proteins.

Enzymes have a component called active sites, which attach specifically to the substrate for a chemical reaction to occur. The active sites of the enzymes are built specifically to fit the shape of molecules they catalyse.

Therefore, the shape of the molecules or substrate is what determines the actions of enzymes.

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Answer:

Because of human-driven increased levels of carbon dioxide in the atmosphere, there is more CO2 dissolving into the ocean. The ocean's average pH is now around 8.1 , which is basic (or alkaline), but as the ocean continues to absorb more CO2, the pH decreases and the ocean becomes more acidic.