This image shows the ionic bond between sodium and chloride in NaCl (table salt), and the covalent bond between oxygen and hydrogen in H2O (water.) How are the bonds different?molecular structure


Question 3 options:


The hydrogen transfers its electrons to oxygen in water; sodium and chlorine in salt share their electrons.



The hydrogen and oxygen atoms in water share their electrons; sodium transfers an electron to chlorine in sodium chloride.



The oxygen transfers its electrons to hydrogen in water; sodium and chlorine in salt share their electrons.

Answer:

Transcription and replication are important processes that occur in cells but have distinct differences.

Similarities between transcription and replication:

1. Both transcription and replication involve the synthesis of nucleic acids. In replication, DNA is copied to produce an identical DNA molecule, while in transcription, DNA is used as a template to produce RNA.

2. Both processes occur in the nucleus of eukaryotic cells, although replication also occurs in the cytoplasm of prokaryotic cells.

Differences between transcription and replication:

1. Template: In replication, the entire DNA molecule serves as the template for copying. However, in transcription, only a specific DNA segment, called a gene, serves as the template for synthesizing an RNA molecule.

2. Product: Replication results in the production of an identical DNA molecule, while transcription produces an RNA molecule that is complementary to the DNA template.

3. Enzymes involved: Replication requires the involvement of multiple enzymes, including DNA polymerase, helicase, and ligase. Transcription, on the other hand, involves RNA polymerase, which catalyzes the synthesis of RNA from the DNA template.

4. Base pairing: During replication, DNA bases pair with their complementary bases (A with T and C with G) to produce an exact copy. In transcription, RNA bases pair with complementary DNA bases (A with U and C with G), resulting in an RNA molecule complementary to the template DNA strand.

Overall, while transcription and replication involve the synthesis of nucleic acids, they differ in terms of their templates, products, enzymes involved, and base pairing patterns. These processes are essential for cell function and crucial in genetic information transfer and maintenance.

Explanation:

Answer:

A. a single cell

Explanation:

Answer: 50

Explanation

It is not possible to determine which group of animals has the greatest genetic diversity based solely on appearances.

Genetic diversity is a measure of the variation in genetic material within a population or species, and it cannot be determined by physical characteristics alone. For example, two species that look very similar may have vastly different genetic diversity levels depending on their evolutionary history, population size, and other factors. Similarly, two animals within the same species that look different may have similar genetic diversity if they are closely related. Therefore, genetic diversity can only be assessed by analyzing the DNA of individuals within a population or species.

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Answer:

Explanation:phlagellum... i have to have 20 characters for a simple answer, so im just typing i can actually submit my answer

Answer:

Explanation:

To improve your health as a fifteen-year-old teenage girl, it is important to follow some dietary guidelines that will benefit your overall well-being. Firstly, prioritize including a variety of fruits and vegetables in your daily meals. Aim for at least five servings a day, as they are rich in essential vitamins, minerals, and fiber that will support your health and digestion. Additionally, make sure to incorporate whole grains such as whole wheat bread, brown rice, and oats into your diet for sustained energy and fiber intake. These wholesome grains will keep you feeling full and provide the necessary nutrients for your active lifestyle. When it comes to protein, opt for lean sources like chicken, fish, beans, or tofu, which will assist in muscle development and provide the necessary building blocks for growth. It is also vital to include dairy or dairy alternatives like milk, yogurt, or cheese to meet your calcium and vitamin D needs for strong bones and teeth. Finally, be mindful of your intake of processed foods, sugary beverages, and foods high in salt and saturated fats. Instead, focus on preparing homemade meals with fresh ingredients as much as possible. Staying hydrated is equally important, so make sure to drink plenty of water throughout the day. If you have any specific dietary concerns or questions, it is always a good idea to seek guidance from a healthcare professional or a registered dietitian who can provide personalized advice tailored to your individual needs. Remember, taking care of your health is a journey, and making small but consistent improvements to your diet will have a positive impact on your overall well-being.

Answer:

C

Explanation:

Answer:

area A

Explanation:

area b floor is being protected by grass, shrubs and trees, holding the soil in place with their roots.

also, area a has sabd, which washes away in water Easter than soil.

Studying the necessary content, going through lecture notes and textbooks, and working through practise questions and quizzes are the best ways to get ready for an exam.

Cells are the essential building components of all living things.There are many billions of cells in a human body. In addition to providing the body with structure, they also absorb nutrients from meals, convert those nutrients into energy, and carry out certain jobs.

The cell has a long and interesting history, beginning with Robert Hooke's discovery in 1665 and leading to many of today's scientific discoveries.

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Answer:

Cymbopogon citratus

if

The coordinates of the point Q are (0.8, 0.7).

The coordinates of a point in a graph refer to its position or location on the graph. In a two-dimensional Cartesian coordinate system, which is commonly used, each point is represented by a pair of numbers (x, y). The x-coordinate represents the horizontal position of the point, and the y-coordinate represents the vertical position.

The x-coordinate is measured along the horizontal axis, often called the x-axis, which extends to the right in a positive direction and to the left in a negative direction. The y-coordinate is measured along the vertical axis, known as the y-axis, which extends upward in a positive direction and downward in a negative direction.

Therefore, the coordinates of the point Q are (0.8, 0.7).

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Answer:

The correct terms or tissues are :

mesenchyme

chondrocytes

fibrocartilage

stratified epithelia

reticular connective tissue

Explanation:

1. Mesenchyme is comprised of loose cells embedded in a mesh of proteins and fluid that makes the middle portion of the unspecialized mesoderm from which cartilage, bone, and blood develop.

2. The mature cells that live in cartilage and maintain the matrix around them are chondrocytes.

3. Fibrocartilage is a type of cartilage with a net of collagen fibers to help resist compression and tension.

4. Any tissues that exist in layers and form linings or coverings fall into the category of stratified epithelia.

5.. Reticular connective tissue is the type of connective tissue that is a supportive structural network fibre to support other cells.

Answer:

51 BONES

Explanation:

Hope it can help you lovelots

Answer:

hope it help ☺️

Explanation:

Various environmental factors having negative effect on bees fitness are: intensive agriculture with included regular pesticides use, deficiency of eminence food and loss of habitat, pathogens and pests (Brutscher et al., 2016, Goulson et al., 2015a, McMenamin and Genersch, 2015, Tantillo et al., 2015).

Antibodies bind complementary epitopes forming bonds that are: highly specific.

The binding of an antibody to its target antigen is based on the molecular shape and chemical properties of the two molecules. The antigen will have a specific 3D structure, and the antibody will have a complementary shape that allows it to recognize and bind to the antigen.

The bonds formed between the antibody and antigen are relatively strong, and they are often referred to as "lock-and-key" interactions. The strength of the bond between the antibody and antigen is important because it determines how long the antibody will remain bound to the antigen and how effective it will be at triggering an immune response.

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Answer:

3 x 10⁷

Explanation:

3 * 10 7 grams are in 30,000 Kg.

We can readily write and use extremely big or extremely small numbers by using scientific notation.

You'll see very quickly that using Scientific Notation actually makes it possible for us to operate efficiently while avoiding accidental decimal blunders.

We need to learn how to read and write numbers in scientific notation before we can move on. A scientific notation number contains two elements, as Math is Fun so eloquently reminds out.

Therefore, 3 * 10 7 grams are in 30,000 Kg.

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The characteristic that is not shared by all living organisms is the ability to create art, such as sculptures, paintings, or music.

While some organisms may display behavior that could be interpreted as artistic, this is not a universal characteristic of all living organisms.

Humans, however, have the ability to create art that goes beyond instinctive behavior and requires the cognitive abilities of decision making and creative expression. Artistic creations can take many forms, from painting and sculpting to music and literature, and can serve many purposes, from expressing emotion to conveying an idea or raising awareness about a social issue.

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Because male creatures contain X and Y chromosomes, which are sex chromosomes, the law for dominance does not apply to them and they more susceptible to sex-related genetic diseases than female species.

Males only inherited one X chromosome, hence they only have one chance to receive the "good" allele because females contain two versions of an x-linked allele whereas males only carry one. Males are more likely than females to exhibit X-linked characteristics.

That's because X-linked diseases are typically brought on by a lack of functional copies of a gene found on the X chromosome. Males are born with just one X chromosome. Hence, they just require one malfunctioning .

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The principal role of the red blood cells, which is to carry oxygen from the lungs to every tissue in the body, requires high levels of specialization and an excellent adaptation.

The biconcave disk shape of red cells, which have an average diameter of 7.8 m (1 m = 0.000039 inches), results in a high surface-to-volume ratio.

A cell just needs to modify the genes (and therefore the proteins) that will be expressed in order for it to differentiate into its specific form and function.

Transcription factors are the main process by which genes are switched "on" or "off."In adulthood, they shed their nucleus to create a place for the protein hemoglobin, which carries oxygen.

Therefore, the purpose of red blood cells is to transport oxygen throughout the body.

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Answer:

The Biosphere

Explanation:

The biosphere is a thin life-supporting portion on Earth's surface, extending  a few km into the atmosphere to the deep-sea. It is composed of living organisms and nonliving factors from which the organisms derive energy and nutrients.

The future is still unknown, despite the Fed's assurances that it will scale down rate increases. The bank anticipates that by the end of 2023, US inflation would drop to just around 3%.

The Fed's policy decisions appear to be having the desired effect, and this is positive. With lowering goods prices at the forefront, inflation declined in the last quarter of 2022 (compared to the summer). Service price inflation, though, is still high and won't likely start to decline until wage growth slows.

Inflation is expected to progressively decrease in 2023 as pressure from the causes that have led demand to rise faster than supply in recent years eases. Inflation as estimated by the CBO is anticipated .

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Answer: . It is specific to one biochemical reaction

It increases the rate of a biochemical reaction.

Explanation:

Protein acts as enzymes and are useful in reactions that occurs in the cell as a catalyst.

Enzymes are characterized by speeding up the rate of chemical reactions without destroying themselves or disturbing equilibrium that occurs between the reactant and the product. Individual protein are specific to a particular reaction and are good catalyst of chemical reaction as they help to speed up reactions.

The branch of science which deals with chemistry uses in biology is called biochemistry.

The correct option to the question is A and D

The digestion of protein requires the enzyme which catalyzes the reactant and speeds up the reaction by decreasing the activation energy. According to this concept, option B is wrong.

The protein molecule has an active binding site that is specific to each protein. Each protein has a specific type of enzyme that catalyzes the reaction. Hence option C is also wrong.

Hence, the correct option is A and C that is an It is specific to one biochemical reaction and It slow down the rate of a biochemical reaction.

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Answer:

3

Explanation:

wet mount of elodea( a simple plant)

Answer:

Explanation: Maceration is one of the techniques used for tannin extraction from medicinal plants. Maceration is the simplest technique of extraction where the plant powder is placed in a closed vessel and soaked with the corresponding amount of solvent for a specified period of time until the tannins are dissolved in the solvent.