7.) A selection technique in which only bacteria containing a particular mutation will grow in culture is referred to as: osomoidobilovs 019 Onibusp91 themetete ridW CT a) mutant selection b) positive selection de moeomodo orld to eigoo ow! 916 9190T (6 c) negative selection omozomoro do yooo slonie B al 9190T (d d) natural selection beisool es como omoids olov15 019 ( do won won 01 omoeomotrio oitoy16019 (b 8.) Which of the following describes the transfer of genetic information within the same generation? a) horizontal transmission b) vertical transmission c) DNA transmission d) homologous recombination 9.) In bacteria, what type of horizontal gene transfer is mediated by a structure called a pilus? 10.) Compare & contrast prokaryotic & eukaryotic control of gene expression with regards to numbers of genes that can be regulated by a promoter. 11.) What was the significance of Frederick Griffith's 1928 experiment using mice infected with Streptococcus pneumonia? Describe this landmark experiment.

Answer:

where is the option ???

ask me in comments

The attachment site at the origin is where the muscle attaches; the attachment site at the insertion is where the muscle attaches but moves during contraction.

Muscle and bone are joined together by tendons, which are fibrous connective tissues. Muscles can be joined to tissues like the eyeball through tendon connections as well.

The distinction between voluntary and involuntary muscles is that the former can move under conscious control or at the command of the mind, while the latter move automatically or without conscious command. Smooth muscles and cardiac muscles fall within the category of involuntary muscles.

Skeletal muscles with voluntary action are those that can be consciously controlled to contract and relax. Body movement is controlled by these muscles, which are attached to bones.

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Scale of the model: 1:10,000. To find the scale of the model, we need to compare the size of the model to the actual size of the red blood cell. Given that the diameter of the red blood cell is 0.008mm and the diameter of the model is 80mm, we can calculate the scale by dividing the diameter of the model by the diameter of the actual cell.

Scale = Model diameter / Actual cell diameter

Substituting the given values:

Scale = 80mm / 0.008mm

Simplifying the expression:

Scale = 10,000

Therefore, the scale of the model is 1:10,000.

1. Identify the diameter of the red blood cell: 0.008mm.

2. Identify the diameter of the model: 80mm.

3. Use the formula Scale = Model diameter / Actual cell diameter.

4. Substitute the values into the formula: Scale = 80mm / 0.008mm.

5. Simplify the expression to find the scale: Scale = 10,000.

6. The scale of the model is 1:10,000, indicating that the model is 10,000 times larger than the actual red blood cell.

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Answer:

it could be pollution or litter or something along those lines. It kinda stinks that it doesn't have multiple choice tho :(.

Explanation:

i hope this is able to help a little bit :))

Answer:

Stores DNA.

Explanation:

The nucleus is the control center of the cell.

Answer:

The carbon and water cycle I know, but I can't help with the nitrogen cycle. Sorry.

Explanation:

Carbon cycle - The role that plants play in the carbon cycle is that they take in our carbon dioxide and put out oxygen, which we breathe. So we give the plant air and they give us air.

Water cycle - The role that plants play in the water cycle is when it rains, the plants absorb some of the water in their roots, thus making them strong and therefore helping the ground not become a mud hole.

Sorry that I can't help with the nitrogen cycle. But I hope what I was able to help you with helps!

Organisms that have the most similarities in anatomical structure are those that are closely related, meaning they share a recent common ancestor.

They are known as homologous structures because they possess similar body structures. Evolutionary theory suggests that organisms that share a common ancestry will have similar structures because they have inherited these structures from their common ancestor.

The closer two species are related, the more similarities they will have in terms of their anatomy and other characteristics. In general, organisms within the same family, genus, or species will have more similarities than those from different taxonomic groups.

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The electromagnetic wave that butterflies, hedgehogs, and many other animals can see is the ultraviolet light that is in Option B, as the ultraviolet light gives these animals a different perspective to visualize.

Many animals can see the UV lights, and this is important as the flowers and fruits emit ultraviolet patterns that are invisible to humans but are seen by pollinators such as butterflies and help them find foods.

Hence, the electromagnetic wave that butterflies, hedgehogs, and many other animals can see is the ultraviolet light that is in Option B, as the ultraviolet light gives these animals a different perspective to visualize.

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The type of scientist best qualified to perform genetic engineering to produce more productive seeds in agriculture would be a molecular biologist, the correct option is C.

Molecular biologists specialize in studying the structure, function, and interactions of molecules within biological systems, including DNA and genes. Genetic engineering involves manipulating the genetic material of organisms, which requires a deep understanding of molecular biology principles.

Molecular biologists have the expertise to identify and isolate specific genes responsible for desired traits in crop plants, such as increased productivity or resistance to pests or diseases. They can then modify or introduce these genes into target plants to achieve the desired outcomes, the correct option is C.

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Answer:

There are three two types of farming

Explanation:

1: For Business

2: For live

Explanation:

Arable farming

pastoral farming

mixed farming

subsistence farming

commercial farming

Extensive and intensive farming

Nomadic farming

sedentary farming

poultry farming

fish farming

The main function of the semilunar (aortic and pulmonary) valves is to prevent the backflow of blood from the arteries into the ventricles of the heart.

The heart consists of four chambers: two atria and two ventricles. The semilunar valves, namely the aortic valve and the pulmonary valve, are located at the bases of the large arteries leaving the heart: the aorta and the pulmonary artery, respectively.

When the ventricles contract during systole, the semilunar valves open to allow blood to be ejected from the ventricles into the arteries. This occurs because the pressure in the ventricles becomes higher than the pressure in the arteries. However, when the ventricles relax during diastole, the semilunar valves close to prevent the backflow of blood from the arteries back into the ventricles. The closure of these valves creates the characteristic "dub" sound heard during heart auscultation.

The function of the semilunar valves is crucial in maintaining the one-way flow of blood through the heart and the systemic and pulmonary circulations, ensuring efficient oxygenation and circulation throughout the body.

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The process of respiration can be divided into the cellular view to the general (cellular respiration to external respiration). Going from the cellular till the external we have:

1- Cellular respiration

Is the aerobic process by which living cells break down glucose molecules to form energy in the from of ATP, that can be divided in three stages, these are: glycolisis (break of glucose into pyruvate), Citric Acid Cycle (Krebs Cycle), and electron transport chain. In this respiration the cell machinery is responsible for from glucose and oxygen form water and carbon dioxide. All the process is intracellular.

2- Internal respiration

The internal respiration is the process of the exchange of gases between the cells and the tissues (internal environment of the body) by the blood vessels and the circulation od red blood cells that carry these gases (oxygen and carbon dioxide). The path of this process is: nose/mouth, pharynx, larynx, and trachea will have the cells oxigenated, the trachea branches and the bronchi will lead to the lungs when the gases exchanges in the tissue will happen. The red blood cells will do the local capture of the gases and the circulatory system will make those cells go to all the tissues in the body.

3- External respiration

The external respiration is the exchange of gases with the external environment. That process occurs in the lungs where the oxygen diffuses into the blood and carbon dioxide into the alveolar air. The internal and external respiration work together in the overall respiratory process, but one happen in the tissues and the other between external environments.

4- How they work together?

The three process are essential for breathing, that's because they work into different levels of tissue and systemic organization. The cellular is the one in the cells that provide the biochemical reactions necessary to the synthesis and conversion of molecules, being the metabolic basis for the respiration to take place, the internal respiration is responsible to distribute the gases into the tissues to make the cellular step possible, while the external respiration makes possible the exchange outside the tissues levels and makes possible to balance the distribution and concentration of the gases in the body.

In eukaryotic cells, gene expression is regulated at the epigenetic, transcriptional, post-transcriptional, translational, and post-translational levels.

Gene expression in eukaryotic cells is controlled by both repressors and transcriptional activators. Eukaryotic repressors, like their prokaryotic counterparts, bind to specific DNA sequences and inhibit transcription.

Eukaryotic cells, unlike prokaryotic cells, can regulate gene expression at multiple levels. Control of access to the DNA is the first step in eukaryotic gene expression. This type of regulation, known as epigenetic regulation, occurs even before transcription begins.

In both prokaryotic and eukaryotic cells, sequence-specific transcription factors are regarded as the most important and diverse mechanisms of gene regulation. Controlling transcriptional initiation is a primary way for eukaryotic organisms to regulate gene expression. Most eukaryotic genes are transcribed by proteins (trans-acting factors) that interact with specific gene sequences (cis-acting regulatory sequences).

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About the concentration of cesium inside and outside of the cell we can conclude that the inside concentration is higher than the outside concentration.

The action potential is a brief phenomenon which depicts the fast opening and closure of voltage-dependent Na+-selective and K+-selective channels, which are necessary for the responsiveness of biomembranes. A core pore is surrounded by these and is protected by a selectivity filter made up of P-loops from every of the subunits.

Caesium is a delicate, golden-colored metal which reacts violently in water and is immediately attacked by air. Caesium compounds are most frequently used as drilling fluids. In addition, they are utilised in the production of special optical glass,  radiation monitoring apparatus, and as a catalytic promoter.

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Answer:

that's water since u can see the cracks in the rock that was formed when frozen running water thawed, which then break the rock.

Answer:

So far, we have discussed the phases of the cell cycle and the controls that regulate the passage of the cell from one phase to the other. Once the cell has successfully completed S-phase, when its chromosomes are duplicated, and passed through G2, it is ready to enter M-phase, when mitosis occurs.

Answer: As nouns the difference between profit and profiteering is that profit is total income or cash flow minus expenditures the money or other benefit a non-governmental organization or individual receives in exchange for products and services sold at an advertised price while profiteering is the act of making an unreasonable profit not justified by the corresponding assumption of risk, or by doing so unethically.

Explanation:

Answer:

asthenosphere

Explanation:

simple, asthenosphere.

Answer:

I think is asteroids

If not I'm so sorry

Answer: The answer is A.

Explanation:

Asteroids are variety's of ranges from 1 to above 100Km in dimeter. Comets only get a big as 10km in dimeter.

Answer:It might be c but I’m not 100% sure

Explanation:

The statement which is not true about observation is as follows:

Thus, the correct option is A.  

Observation may be defined as the process of analyzing or monitoring some activities that are performed either by you or others to interpret the outcome.

Some of the observations are not always true, and hence they can not be trusted or believed immediately.

Such observation required the action of modification and then can be observed cautiously with full concentration in order to eliminate some mistakes.

Therefore, the correct option for this question is A.

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Answer: canada

Explanation: the. reason it is canada is and great britain because those were the allied powers

Answer:

Destroying or degrading wetlands can lead to serious consequences, such  as increased flooding, extinction of species, and decline in water quality. We can avoid these consequences by maintaining the valuable wetlands we still have and restoring lost or impaired wetlands where possible.

Explanation:

Answer:

Destruction of wetlands increases flooding, a decline in water quality, and extinction in species. And it can also lead to an increases occurrence of algae blooms which are caused by nutrient overload from land adjacent to a wetland

Explanation:

A gastrectomy, or the surgical removal of a section of the stomach, may be necessary for patients who have been diagnosed with gastric cancer, trauma, or serious peptic ulcer disease.

The most typical sign of both gastric and duodenal ulcers is epigastric discomfort. It is characterized by a gnawing or burning feeling and typically develops after meals—with a stomach ulcer, right away and with a duodenal ulcer, two to three hours later.

Certain foods, including eggs, cabbage, broccoli, onions, fish, beans, milk, and cheese, may produce flatulence.

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RNA splicing is similar to watching a TV show recorded earlier using a DVIR, where introns are like the commercials that have to be removed before watching the show. This is because the DVIR records the whole show, including commercials. In order to watch the show without interruptions, the commercials must be removed.

This is analogous to RNA splicing because the pre-mRNA transcript contains both introns and exons, and the introns must be removed to create the mature mRNA transcript that can be translated into a protein.

Introns in this analogy would correspond to commercials in a TV show that have to be removed before watching the show. Commercials and introns are both interruptions that interfere with the main message being conveyed. By removing the interruptions, the main message is clearer and easier to understand.

RNA splicing is a process that removes introns and joins exons to form a mature mRNA transcript that can be translated into a protein. This process is similar to watching a TV show recorded earlier using a DVIR. The DVIR records the whole show, including commercials, which are interruptions that interfere with the main message being conveyed.In order to watch the show without interruptions, the commercials must be removed. This is analogous to RNA splicing because the pre-mRNA transcript contains both introns and exons, and the introns must be removed to create the mature mRNA transcript that can be translated into a protein.Introns in this analogy would correspond to commercials in a TV show that have to be removed before watching the show. Commercials and introns are both interruptions that interfere with the main message being conveyed. By removing the interruptions, the main message is clearer and easier to understand.In conclusion, RNA splicing is a process that removes introns and joins exons to form a mature mRNA transcript that can be translated into a protein. This process is similar to watching a TV show recorded earlier using a DVIR, where introns are like the commercials that have to be removed before watching the show.

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If there is a newly discovered lineage that is a sister lineage to the lineage containing lizards and salamanders, it is most likely that this newly discovered lineage shares a common ancestor with the lineage containing lizards and salamanders.

The term "lineage" refers to a series of organisms, populations, cells, or genes that are derived from a single ancestor. The term "sister lineage" refers to two or more lineages that share a common ancestor but diverged from each other. Thus, if there is a newly discovered lineage that is a sister lineage to the lineage containing lizards and salamanders, it means that this newly discovered lineage is closely related to the lineage containing lizards and salamanders and shares a common ancestor with it. The statement "shares a common ancestor" means that this newly discovered lineage diverged from the lineage containing lizards and salamanders at some point in the past but they share a common ancestor from which they both descended. Therefore, it is most likely that this newly discovered lineage also has some traits or characteristics in common with the lineage containing lizards and salamanders due to their shared ancestry.

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Answer:

The correct answer is -

bringing in nutrients and water,

getting rid of wastes, and

obtaining energy.

Explanation:

All cells no matter what type of cell they are or their specialty, they need to bring water and nutrients to work properly and survive. These cells also need to remove cellular waste to prevent toxicity in the cell. All the toxic material or metabolic waste must be removed from the cells.

All the cells of the bodu=y including hair-shaped cells or structural cells all required energy to perform their function therefore obtaining energy is one of essential function cell need to be performed.

Answer:

2) animal behaviour may affect the environment

Explanation:

Beavers creating dams is a behaviour. This behaviour causes floods which affects the environment.

Answer:

C. The clocks use mutations that are difficult to identify and track.

Explanation:

Answer:

The answer is D

i hope this helps buddy

Explanation:

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