What three measurements do you need to find the density of a liquid?

Answer: slow erosion down

Explanation:

answer

Homologous structures are present in many different species that share a common ancestor. the structure are anatomically similar and persist in the different species.

This is evident of divergent evolution because it shows that different animals come from a common ancestor but evolve o become different species from each other.

Answer:

Amino acids

Explanation:

Glucose molecules are to starch what amino acids are to proteins; the glucose molecules are the monomeric units of the starch, just as the amino acids are the monomeric units of the protein.

Polymers such as starch, protein, and fatty acids are found in living bodies such as those of animals and plants and polymers are made up of monomeric units such as glucose monomers that are bonded to each other by glycosidic bonds make starch, and amino acids are the monomeric units of proteins that are bonded by peptide bonds. These are necessary for the storage molecule, as well as for the cell's structural and functional units.

Hence, glucose molecules are to starch what amino acids are to proteins; the glucose molecules are the monomeric units of the starch, just as the amino acids are the monomeric units of the protein.

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Answer:

Explanation:

In Vietnam, 34.8 percent of land is dedicated to Agricultural use. In 2018, agriculture, forestry and fishing accounted for 14.68 percent of the country's GDP. Vietnam's main agricultural crops are rice, cassava, maize and sweet potatoes. The relaxation of the state monopoly on rice exports transformed the country into the world's second or third largest rice exporter. Other cash crops produced and exported are coffee, cotton, peanuts, rubber, sugarcane, and tea.

Land dedicated to agricultural use in Bangladesh is 70.1 percent. Agriculture is the largest employment sector in Bangladesh. Most Bangladeshis earn their living from agriculture. Although rice and jute are the primary crops, wheat is assuming greater importance. Tea is grown in the northeast. Because of Bangladesh's fertile soil and normally ample water supply, rice can be grown and harvested three times a year in many areas.

The R group of alanine gives the amino it's distinctive properties.

What is alanine?

Alanine is an amino acid which is found in proteins. It is one of the 20 amino acids that are used by cells to synthesize proteins, and it is considered a non-essential amino acid because the body can synthesize it from other compounds. It plays an important role in the transport of nitrogen from one part of the body to another. It is also involved in glucose metabolism and energy production.

What are Amino acids?

Amino acids are organic molecules composed of amine and carboxylic acid functional groups, along with a side chain specific to each amino acid. They are the building blocks of proteins, which are essential components of all living organisms. There are 20 different types of amino acids that are commonly found in proteins.

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It is not necessary for every members of a particular species to must reproduce in order for the species to survive.

For a given species  to survive, not every individual needs to be able to reproduce. because as long as some of the individuals are reproducing the species number will be maintained enough so that it could survive.

Take homo sapiens (Humans) as an example. Many males and females worldwide are sterile and unable to procreate, yet the human species is still thriving.

Also, if we take ants and bees as an example it has a particular cast called reproductive caste which is able to reproduce and all other individuals have their certain assigned duties and still the queen only produce such huge amounts of eggs that they are still surviving.

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Answer:

Unlike the chelicerae of arachnids, mandibles can often be used to chew food. Mandibulates also differ by having antennae, and also by having three distinct body regions: head, thorax and abdomen.

Answer:

enzyme, It speeds up the rate of a specific chemical reaction in the cell.

Explanation:

Ocean acidification is a phenomenon that has become prevalent in the last few decades. It is caused by carbon dioxide in the atmosphere, which is dissolved in seawater to form carbonic acid, reducing pH levels in the ocean. Coral and pteropod shells, which are made of calcium carbonate, are some of the most vulnerable organisms to this process.

As carbon dioxide dissolves in seawater, it causes a decrease in pH levels, which in turn causes calcium carbonate to dissolve at a faster rate. Since carbon dioxide is more soluble in cold water than warm water, the organisms that will be the first to be affected by ocean acidification are pteropods.

The ability of coral and pteropods to build their shells is jeopardized as ocean acidification increases. If this process persists, the integrity of coral reefs and pteropod shells will be destroyed. Since pteropods are more vulnerable to ocean acidification than corals, the situation has more dire implications for them.

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Answer:

lungs

Explanation:

Very tall plants, such as trees, use a combination of passive and active transport mechanisms to transport water and dissolved nutrients from the roots to the leaves against gravity.

As per the question given,  

The primary mechanism responsible for water transport is called transpiration, which is the process of water loss from leaves through small pores called stomata. Water molecules are cohesive and stick together through a property called "water tension" or "surface tension". When water evaporates from the leaves through transpiration, it creates a negative pressure or "suction force" that pulls water molecules up the plant's xylem, the specialized tissue responsible for water and nutrient transport. This negative pressure also helps to keep the plant's water column intact and prevents it from collapsing under the force of gravity.

However, the suction force generated by transpiration alone is not sufficient to transport water to the top of very tall plants like trees. Therefore, trees also use a pumping mechanism to move water against gravity. The active transport of ions (minerals and nutrients) in the plant's root cells creates a concentration gradient that drives water to flow into the roots through osmosis.

The water and dissolved nutrients then travel up the xylem in a process called "root pressure." The pressure generated by root pressure can help push water up the plant, particularly during periods of low transpiration rates or when water uptake is limited.

In summary, trees and other tall plants transport water and nutrients to the leaves through a combination of passive and active transport mechanisms that work together to overcome the high pressures required to move water and minerals up the plant. These mechanisms include transpiration, root pressure, and active ion transport, and they work together to ensure that water and nutrients are efficiently transported to all parts of the plant.

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Human activities that have affected the phosphorous cycle are the creation of fertilizers and use of dishwashing detergent.

Soluble phosphorus in the soil solution interacts with Ca in calcareous soils to create low solubility Ca phosphates. The biogeochemical cycle that details the change and transport of phosphorus in soil, water, and living and dead organic material is known as the Phosphorus Cycle. The phosphorus cycle is the flow of phosphorus from where it is contained in rocks into the environment and, eventually, into the plants and animals that require it. Rain and the freezing and thawing of rocks erode or break them down over time. As they dissolve, phosphorus is released into the soil and water. One example of a biogeochemical cycle is the phosphorus cycle. The cycling of elements through organisms and the environment is referred to as biogeochemical cycling.

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The statement that the sternum consists of compact solid bone is incorrect.

The sternum, also known as the breastbone, is a flat bone located in the center of the chest. It is not entirely composed of compact bone but instead has a combination of compact bone on its external surface and spongy or cancellous bone on the inside.

Compact bone is dense and provides strength and support, while spongy bone is porous and contains bone marrow. The sternum contains red bone marrow within its cancellous bone, which is responsible for producing blood cells, including red blood cells, white blood cells, and platelets. This red bone marrow is hematopoietically active and plays a crucial role in the body's immune system and oxygen-carrying capacity.

Although the sternum does contain bone marrow, it is not a preferred site for bone marrow aspiration. Bone marrow aspiration is typically performed on other bones, such as the hip bone (iliac crest) or the sternum. These sites are preferred because they have larger and more accessible bone marrow cavities, making it easier to obtain an adequate sample for diagnostic or therapeutic purposes.

In summary, while the sternum does contain bone marrow, it is not a preferred site for bone marrow aspiration. Other bones, such as the hip bone, are commonly used for this procedure due to their larger and more accessible bone marrow cavities.

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The correct question is:

Sternum consists of compact solid bone and is a preferred site for bone marrow aspiration. Correct or incorrect?

Answer:

the moon because it has less gravity than the earth. so you would jump father on the moon

Explanation:

Particles that may cause biological damage by transferring their excess energy to surrounding molecules or by disrupting chemical reactions are called ionizing radiation.

Ionizing radiation refers to particles or electromagnetic waves that carry enough energy to ionize atoms or molecules. These particles include alpha particles, beta particles, gamma rays, and X-rays. When ionizing radiation interacts with living organisms, it can transfer its excess energy to surrounding molecules, leading to the formation of reactive oxygen species and the breaking of chemical bonds.

This can result in DNA damage, oxidative stress, and disruption of cellular processes. The harmful effects of ionizing radiation are well-known and include increased risk of cancer, tissue damage, and genetic mutations. Protection measures, such as shielding and proper safety protocols, are important in minimizing exposure to ionizing radiation.

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Telescopes use lenses or mirrors to manipulate light paths. Transparent substances follow refraction, while reflective surfaces follow reflection.

Telescopes utilize optical components such as lenses or mirrors to manipulate the paths of light rays. When light rays pass through transparent substances like glass or plastic, they undergo a change in direction due to the phenomenon of refraction. This bending of light follows the law of refraction, which relates the angle of incidence to the angle of refraction.

On the other hand, when light rays encounter reflective surfaces like polished aluminum, they undergo reflection, obeying the law of reflection. The law of reflection states that the angle of incidence is equal to the angle of reflection, with both angles measured relative to the normal of the surface.

In the given lab instructions, the Ray Optics Demonstration Set is used to measure the angles of refraction and reflection and create a graph illustrating the behavior of light rays in each case. By comparing the angles of incidence and observing how they change with increased incidence, students can analyze the behavior of light rays in different optical configurations.

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Answer:

A. no of births

Explanation:

I think

Answer:

A. Number of births

Explanation:

This is the answer because the more births, the less birds there will be.

Active leisure and aerobic exercise are particularly effective at enhancing cardiovascular endurance. This statement is true.

Active aerobics and active recreation are excellent ways to improve cardiovascular endurance. These types of exercises involve continuous, rhythmic movements that elevate the heart rate and increase oxygen consumption, which over time can improve the heart's efficiency and strengthen the cardiovascular system.

Regular aerobic exercise has many health benefits, including reducing the risk of heart disease, stroke, and diabetes, as well as improving overall fitness levels and mental well-being. Additionally, it can lead to better weight management and improved sleep quality.

It's important to note that other factors such as diet, genetics, and overall health can impact cardiovascular endurance. It's always recommended to consult with a healthcare professional before beginning a new exercise program, especially if there are any pre-existing medical conditions.

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Answer:

4.

Explanation:

Everyone's DNA is unique unless they are identical twins or if you have some kind of transplant.

Of the following best explains why DNA fingerprints can be used to identify an individual, such as from a crime scene sample it is the situation that Each individual has a unique DNA sequence, with the exception of identical twins. The correct answer is option 4.

These are the babies that are formed from  multiple fusion of gametes and resulting into double fertilization.

DNA is inherited from both maternal and paternal parents. Yes, it is so but the pattern is not same as it will be possible to get the idea of the pattern and analyse along with the prediction of the genome as only few % is predicted.

DNA is used to make proteins during protein synthesis and this situation is clearly correct too but the fact is that this is not helping in the case of DNA fingerprinting where it is not easy to firstly see the DNA pattern then the RNA and then the amino acids and then the proteins.

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Heat fixation should take place after the slide has been flooded with the primary stain and rinsed with distilled water during the capsular stain. Heat fixation helps to fix the bacterial cells to the slide, allowing them to withstand subsequent washing and staining steps.

The heat also aids in the penetration of the primary stain into the capsule, improving the staining results. The slide should be briefly heated by passing it over a flame several times, making sure not to overheat or burn the slide. After heat fixation, the slide should be allowed to cool before continuing with the staining process. Overall, heat fixation is an essential step in the capsular stain and should be performed carefully to ensure accurate results.

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Answer: Provide the patient with an enzyme supplement

Explanation:

To show that cow milk contains protein and different types of carbohydrate,food tests should be carried out by the student.

Carbohydrates (sugars) are the main sources of food through which the body derives energy from.

The various types of carbohydrate are the simple sugars, complex sugars and starch.

Proteins are the main body-building substances which are necessary for the maintenance of health.

The cow milk contains proteins and a type of carbohydrate called lactose which is an example of complex sugar.

To test for protein in milk, xanthoproteic reaction test should be carried out by the student. The procedure includes:

To test for carbohydrate in milk, a test for complex sugar should be carried out by the student. The procedure includes:

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Thomas Hunt Morgan's hypotheses was valid based on these results of White eyes are lethal in male Drosophila.

Morgan's Hypotheses- The gene that determines eye color is located on the X chromosome, Morgan theorized that the first generation of flies in his breeding experiment comprised solely males with white eyes. Due of the white eye trait's location on their lone X chromosome, males exhibited it.

On the other hand, genes on the same chromosome that were more apart from one another were more likely to be split apart during recombination. As a result, Morgan was right when he suggested that the distance between two genes on a chromosome determines how strong a linkage between them is.

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Answer:B

Explanation:

Answer:

a chemical bond that involves the sharing of electron pairs between atoms.

Explanation:

Answer:

A covalent bond is the bond between two or more nonmetals. It is a chemical bond where electrons are shared between two or more nonmetals.

Explanation:

The type of nutrition exhibited by the given figure is the saprophytic type of nutrition.

The nutrition type that can be seen in the given image is the saprophytic mode of nutrition. In this type of nutrition, the living thing gets its nutrition from the dissolved forms of organic material.

This is very typical of bread mold which gets its nutrition by consuming dead and decaying matter. Other things that follow this nutrition pattern are yeast and mushrooms.

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Answer:

Yes, a rat is considered a primary consumer. Primary consumers, also known as herbivores, are animals that eat plants as their main source of food. Rats are known to consume a variety of plant material, including seeds, fruits, and vegetables. In addition, rats are known to eat insects, which are also primary consumers, since they feed on plants. Therefore, as a consumer that feeds mainly on plant material, a rat can be classified as a primary consumer in a food chain or food web.

Answer:

d

Explanation:

Answer:

D

Explanation: