The relaxed form of an allosteric enzyme has _________ affinity for the substrates.
A) higher B) equal C) lower D) no E) None of the above.

Answer:

Commensalism

Explanation:

Long-term biological activity in which advantages are obtained by members of one species while those of the other species do not benefit or are harmed.

Answer:

commensalism

Explanation:

Answer:

If there was only one type of matter there would be only one type of object and nothing else.

Explanation:

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A synthetic biologist must be ingenious in creating new systems that will benefit the society.

A synthetic biologist is a scientist whose responsibility it is to create new biological systems and devices for various applications. These systems can be very useful in solving novel biological problems.

For a synthetic biologists to be more marketable as an employee, the synthetic biologist must be ingenious in creating new systems that will benefit the society. This skill is relevant, not only to land a new job but to make the society a better place.

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Answer:

C. chemical weathering

Explanation:

took test on edge 2020

Answer:

In the first step, the information in DNA is

transferred to a messenger RNA (mRNA)

molecule by way of a process called

transcription.... The mRNA sequence is

thus used as a template to assemble-in

order-the chain of amino acids that form a

protein.

A type of RNA that is called as ribonucleic acid type called as transfer RNA that is used for the production of the amino acid at a time and the protein assembly takes place at the ribosomes.

DNA are responsible for the providing out the code for the cell's activities and the RNA are responsible for providing out the service to make them proteins.

Each group of 3 bases in the  mRNA constitutes a codon and each codon is specifying  a particular type  of  amino acid. The mRNA sequence therefore used as a template to make the  assembly in order of the chain of amino acids which form a protein.

It is found that in all biological cells , usually occurs in cytoplasm of cell though its production takes place in nucleus. Whereas DNA is  providing the code for cell's activities and RNA is responsible for converting that code into proteins which carry various cellular functions.

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Answer:

will if I wanted to go to my friends house I would return back to at 11:30

Explanation:

At 8:00 Am you leave home and walk 0.9km to a friends House.

A negative control is used to show an experimenter what a reaction will look like if the macromolecule being tested is not in the test substance.

A negative control is a sample that does not contain the molecule being tested but is otherwise identical to the test sample.

The experimenter can determine whether the observed reaction is non-specific or specific to the macromolecule being tested by comparing the findings of the test sample to the negative control.

This is important for ensuring the accuracy and specificity of the experimental results.

A negative control is a fundamental part of numerous experimental conventions and is many times utilized related to the positive control, which contains the macromolecule of interest and is utilized to guarantee that the trial conditions are adequate to get a reaction.

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Answer:

computer

Explanation:

it might just be a computer

Answer:

choanoflagellates are more closely related to sponges than they are to protists

Explanation:

Answer: animals, human

Explanation:

Answer:

True

Explanation:

Answer:

It is a true statement that "Patriotism and education are traditional American values."

The United States of America

The United States of America are bound together by certain core values that hold the entire country  together. These values are reverberated any time the ideals of the country are discussed.

Two of the key values of the American society are;

Patriotism

Education

Hence, it is a true statement that "Patriotism and education are traditional American values."

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Explanation:

Answer:

the two strands that join together are T-A the other two are G-C.

Explanation:

in dna these two strands pair together to make one

Among the given options, vegetative cells are more resilient due to their metabolic activities, whereas endospores are more sensitive to change is not a difference between endospores and vegetative cells.

The correct answer is option B.

A) Vegetative cells are metabolically active, whereas endospores are dormant: This is a significant difference between the two forms. Vegetative cells are actively metabolizing and carrying out cellular functions, such as growth, replication, and energy production. In contrast, endospores are dormant structures formed by certain bacteria as a survival mechanism in response to unfavorable conditions. They have minimal metabolic activity and are primarily focused on protecting the genetic material of the bacterium.

B) Vegetative cells are more resilient due to their metabolic activities, whereas endospores are more sensitive to change: This statement is incorrect. Endospores are highly resistant to harsh environmental conditions, including heat, radiation, chemicals, and desiccation. Their dormant state allows them to withstand extreme conditions that would otherwise be lethal to vegetative cells. In contrast, vegetative cells are more sensitive to changes in their surroundings and are less resilient than endospores.

C) Vegetative cells normally have enzyme activity, whereas endospores do not show enzymatic activity: This is a valid difference. Vegetative cells are metabolically active and possess various enzymes that catalyze biochemical reactions necessary for cellular processes. Endospores, being in a dormant state, do not exhibit significant enzymatic activity.

D) Vegetative cells stain easily using normal staining protocols, whereas endospores are difficult to stain without special endospore stains: This is another notable difference. Vegetative cells can be stained using routine staining techniques such as Gram staining, which helps in their identification and classification. Endospores, however, have a unique structure that makes them resistant to staining with conventional methods. Special staining techniques, such as the Schaeffer-Fulton stain or the malachite green stain, are required to visualize endospores.

In summary, the incorrect difference among the given options is B. Vegetative cells are not more resilient due to their metabolic activities, as endospores exhibit higher resilience and resistance to unfavorable conditions compared to vegetative cells.

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Answer:

The organism most reliant on other organisms for reproduction is a parasite. Parasites rely on other organisms, such as their host, for reproduction as they lack the necessary reproductive organs. They must rely on the reproductive organs of their hosts in order to reproduce. Additionally, parasites may rely on natural processes such as environmental conditions in order to reproduce.

Answer:

sexual reproducers

Explanation:

season, and where other organisms are

The lord of a manor in medieval times could order his tenants to perform forced actions such as making wine in his winepress. These forced actions were known as corvée.

Corvée was a form of unpaid labor that was required of tenants and serfs in feudal societies. It was often used to construct public works, such as roads, bridges, and fortifications, or to provide labor for the lord's personal projects, such as harvesting crops or making wine. The amount and type of corvée labor that was required varied depending on the needs of the lord and the capabilities of the tenants.  

Corvée was a significant burden for tenants and serfs, as it took away their time and energy for their own farming and other activities. It also contributed to the exploitation of the working class by the aristocracy, as the labor was often used to enrich the lords and nobles at the expense of the tenants and serfs.

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Answer:

The Philippines is located in the Pacific Ring of Fire and the Typhoon Belt, making it one of the most typhoon-prone countries in the world. The following areas in the Philippines are often affected by typhoons:

Bicol Region - This region is located on the eastern side of the country, facing the Pacific Ocean. It is known for its beautiful beaches and scenic spots, but it is also highly vulnerable to typhoons due to its geographical location.

Eastern Visayas - This region is composed of several islands, including Samar and Leyte. It is also located on the eastern side of the country and faces the Pacific Ocean, making it highly susceptible to typhoons.

Northern Mindanao and Caraga - These regions are located on the southern part of the country, facing the Pacific Ocean. They are often affected by typhoons that enter the Philippine Area of Responsibility from the eastern side of the country.

Central Luzon - This region is located on the northern part of the Philippines, and it is often hit by typhoons that enter the country through the northern part of Luzon.

The frequent occurrence of typhoons in these areas has significantly affected the lives of the people living there. Typhoons can cause widespread damage to homes, infrastructure, and crops, leading to loss of livelihood and displacement of communities. The people in these areas have to deal with the aftermath of typhoons, including flooding, landslides, and power outages. The government and non-government organizations have implemented various measures to mitigate the impact of typhoons, such as pre-positioning of relief goods, construction of disaster-resilient infrastructure, and early warning systems. Despite these efforts, the impact of typhoons on the lives of the people in these areas remains significant.

A dichotomous key might be considered a significantly useful tool to classify organisms. The key provides an easy and fast way for identification by describing different morphological traits, leading you to the correct taxonomic classification.

When you have an organism -or part of it-, and you need to identify it taxonomically, you use a dichotomous key. The key provides morphological descriptions about different taxonomic groups in an easy way to identify these traits in your individual.

It is simple to read a dichotomous key. The term dichotomous refers to how information is provided. You will always have two options (a and b, or 1 and 2), and you will have to choose one of them according to the characteristics of your organism. The key describes specific morphological traits of organisms that are useful for differentiation.

Probably you might need an atlas or a dictionary to understand some of the technical terminologies. You will also need to carefully observe your specimen, to get to distinguish different traits. If the specimen is too small you might need a loup.

Let us analyze simple example using a group of 5 organisms. Let us assume that you do not know their names, and you need to know what is the individual in the red circle (You will find it in the attached files).

Dichotomous key

Statement 1a ----------- The organism is a vertebrate ----------- Frog

Statement 1b------------ The organism is invertebrate ----------- Go to 2

Statement 2a ---------- The organism has a multisegmented

                                    and elongated body, with too many  ----- centipede

                                    legs.

Statement 2b ---------- The organism has a relatively short body

                                    and with fewer legs ------------------------------ Go to 3

Statement 3a ----------- The organism has 8 legs ----------------------- Spider

Statement 3b ----------- The organism has 6 legs ----------------------- Ant

As you can see, this a very simple example, but ilustrates how the key provides enough information for you to reah the correct option.

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Answer:

do not use exactly. It will reset your assignment for plagiarism.

Explanation:

Answer:

Prokaryotes explanation

Explanation:

Prokaryotes are single-celled organisms that are the earliest and most primitive forms of life on earth. As organized in the Three Domain System, prokaryotes include bacteria and archaeans. Some prokaryotes, such as cyanobacteria, are photosynthetic organisms and are capable of photosynthesis.  

Many prokaryotes are extremophiles and can live and thrive in various types of extreme environments including hydrothermal vents, hot springs, swamps, wetlands, and the guts of humans and animals (Helicobacter pylori).

Prokaryotic bacteria can be found almost anywhere and are part of the human microbiota. They live on your skin, in your body, and on everyday objects in your environment.

Prokaryotic Cell Structure

Bacterial Cell Structure

Bacterial Cell Anatomy and Internal Structure. Jack0m/Getty Images

Prokaryotic cells are not as complex as eukaryotic cells. They have no true nucleus as the DNA is not contained within a membrane or separated from the rest of the cell, but is coiled up in a region of the cytoplasm called the nucleoid.

Prokaryotic organisms have varying cell shapes. The most common bacteria shapes are spherical, rod-shaped, and spiral.

Using bacteria as our sample prokaryote, the following structures and organelles can be found in bacterial cells:

Capsule: Found in some bacterial cells, this additional outer covering protects the cell when it is engulfed by other organisms, assists in retaining moisture, and helps the cell adhere to surfaces and nutrients.

Cell Wall: The cell wall is an outer covering that protects the bacterial cell and gives it shape.

Cytoplasm: Cytoplasm is a gel-like substance composed mainly of water that also contains enzymes, salts, cell components, and various organic molecules.

Cell Membrane or Plasma Membrane: The cell membrane surrounds the cell's cytoplasm and regulates the flow of substances in and out of the cell.

Pili (Pilus singular): Hair-like structures on the surface of the cell that attach to other bacterial cells. Shorter pili called fimbriae help bacteria attach to surfaces.

Flagella: Flagella are long, whip-like protrusions that aid in cellular locomotion.

Ribosomes: Ribosomes are cell structures responsible for protein production.

Plasmids: Plasmids are gene-carrying, circular DNA structures that are not involved in reproduction.

Nucleoid Region: Area of the cytoplasm that contains the single bacterial DNA molecule.

Prokaryotic cells lack organelles found in eukaryoitic cells such as mitochondria, endoplasmic reticuli, and Golgi complexes. According to the Endosymbiotic Theory, eukaryotic organelles are thought to have evolved from prokaryotic cells living in endosymbiotic relationships with one another.  

Like plant cells, bacteria have a cell wall. Some bacteria also have a polysaccharide capsule layer surrounding the cell wall. This is the layer where bacteria produce biofilm, a slimy substance that helps bacterial colonies adhere to surfaces and to each other for protection against antibiotics, chemicals, and other hazardous substances.

Similar to plants and algae, some prokaryotes also have photosynthetic pigments. These light-absorbing pigments enable photosynthetic bacteria to obtain nutrition from light.

Binary Fission

E. coli Bacterium Binary Fission.

E. coli bacteria undergoing binary fission. The cell wall is dividing resulting in the formation of two cells. Janice Carr/CDC

Most prokaryotes reproduce asexually through a process called binary fission. During binary fission, the single DNA molecule replicates and the original cell is divided into two identical cells.

Steps of Binary Fission

Binary fission begins with DNA replication of the single DNA molecule. Both copies of DNA attach to the cell membrane.

Next, the cell membrane begins to grow between the two DNA molecules. Once the bacterium just about doubles its original size, the cell membrane begins to pinch inward.

A cell wall then forms between the two DNA molecules dividing the original cell into two identical daughter cells.

Although E.coli and other bacteria most commonly reproduce by binary fission, this mode of reproduction does not produce genetic variation within the organism.  

Prokaryotic Recombination

Bacterial Conjugation

False-color transmission electron micrograph (TEM) of an Escherichia coli bacterium (bottom right) conjugating with two other E.coli bacteria. The tubes connecting the bacteria are pili, which are used to transfer genetic material between bacteria. DR L. CARO/Science Photo Library/Getty Images

Genetic variation within prokaryotic organisms is accomplished through recombination. In recombination, genes from one prokaryote are incorporated into the genome of another prokaryote.

Recombination is accomplished in bacterial reproduction by the processes of conjugation, transformation, or transduction.

Capsule, cell wall, cell membrane, pilus, flagella, ribosomes, nucleoid, and plasmids are the parts of prokaryotic cells.

Single-celled creatures known as prokaryotes are the earliest and most basic living forms on Earth. Bacteria and archaeans are prokaryotes, which are classified according to the Three Domain System. Some prokaryotes are photosynthetic creatures and can do photosynthesis, such as cyanobacteria.

Prokaryotic bacteria are ubiquitous and comprise a significant portion of the human microbiome. They exist on your skin, inside your body, and on commonplace items in your surroundings.

Bacteria, as a sample prokaryote, its cells have the following organelles and structures:

Therefore, the capsule, cell wall, cell membrane, pilus, flagella, ribosomes, nucleoid, and plasmids are the parts of the prokaryotic cells.

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The transcription of beta-galactosidase is regulated by several mechanisms. One of the most important is the presence of lactose in the environment. When lactose is present, it binds to the repressor protein that usually inhibits transcription of the lac operon, a group of genes that includes the gene for beta-galactosidase.

This binding changes the shape of the repressor protein, causing it to fall off the DNA and allowing RNA polymerase to initiate transcription. Another mechanism involves the catabolite activator protein (CAP), which binds to a site upstream of the lac operon promoter. When glucose levels are low, cAMP levels increase, and cAMP binds to CAP, which then binds to the promoter and stimulates transcription.

These proteins are often responsive to other environmental signals, such as temperature or pH. Overall, the transcription of beta-galactosidase is tightly regulated to ensure efficient utilization of available nutrients.The transcription of beta-galactosidase is regulated through a process called the lac operon, a genetic system found in Escherichia coli (E. coli) bacteria. The lac operon consists of three structural genes (lacZ, lacY, and lacA), a promoter region, an operator, and a regulatory gene called lacI. Beta-galactosidase is encoded by the lacZ gene.In summary, the transcription of beta-galactosidase is regulated by the lac operon system, which ensures that the enzyme is produced only when lactose is available as a substrate.

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The ratio of \(Sn^2^{+}\) concentrations in the two \(Sn/Sn^2^{+}\)half-cells of a concentration cell can be determined based on the cell potential.

A concentration cell is a type of electrochemical cell in which the same species is present in both half-cells, but at different concentrations. In this case, the concentration cell consists of two \(Sn/Sn^2^{+}\) half-cells.

The potential of the concentration cell is given as 0.13 V. The Nernst equation relates the cell potential to the concentration of the species involved. It is given by:

Ecell = E°cell - (RT/nF) * ln(Q)

Where Ecell is the cell potential, E°cell is the standard cell potential, R is the gas constant, T is the temperature, n is the number of electrons transferred, F is the Faraday constant, and Q is the reaction quotient.

Since the half-reaction is the same in both half-cells (\(Sn^2+ to Sn\)), the standard cell potential E°cell is 0 V. Therefore, the Nernst equation simplifies to:

Ecell = - (RT/nF) * ln(Q)

Using the given cell potential and substituting the appropriate values, the ratio of the \(Sn^2^{+}\) concentrations in the two half-cells can be determined. However, without additional information or values for the other variables in the Nernst equation, the exact ratio cannot be calculated.

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Pharyngeal arches found in all vertebrate embryos are homologous and the bones that support the wings of birds, pterosaurs and bats are homologous.

Pax6 gene is homologous at least to the level of a Bilateria. It is responsible for both insect compound eyes and vertebrate eyes. But the Pax6 gene originated before the origin of eyes in both lineages and must have been independently adopted by both lineages. So it is not homologous, despite seemingly appearing that it is resulting in different organs with the same origin. Pharyngeal arches found in all vertebrate embryos are homologous. The gill supports in fish and the throat structures in mammals originate from pharyngeal arches. The ability to fly using elongated wings in birds, bats, and pterosaurs is not homologous. All these wings despite having some purpose originated independently from one another. The bones that support the wings of birds, pterosaurs and bats are homologous and have the same origin despite having been used for supporting different kinds of wings. The skin flaps for gliding in sugar gliders and flying squirrels have different origins but the same purpose so they are not homologous.

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Answer:

True

Explanation:

Answer:

A virus adapts to the new surrounding by manufacturing proteins when it needs them

Explanation:

Viruses adapt to their hosts by evading defense mechanisms and taking over cellular metabolism for their own benefit. Alterations in cell metabolism as well as side-effects of antiviral responses contribute to symptoms development and virulence.

Protein is the amino acid chain that was made in translation.

Translation is the process by which ribosomes in the cytoplasm or endoplasmic reticulum make proteins after the process of converting DNA to RNA in the cell's nucleus, as defined by molecular biology and genetics. Gene expression refers to the entire process.

The process of translating mRNA into the chain of amino acids that makes up the produced protein occurs on ribosomes in the cytoplasm of the cell. The ribosome is a complex molecule made up of numerous ribosomal RNA molecules, numerous proteins, and both tiny and big subunits. Initiation, elongation, and termination are the three phases of an mRNA molecule's translation by the ribosome.

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Answer: cauliflower

Explanation: i just did it on savvas

A historian is reading a book of ancient history that describes a plant bred for long, leafy flower buds that never open, resulting in a white flower that does not produce chlorophyll. The domesticated plant is cauliflower.

A member of the vegetable family that also includes collard greens, kale, turnips, broccoli, Brussels sprouts, cabbage, and cauliflower. These vegetables have compounds that could offer cancer protection. Likewise known as a cruciferous vegetable.

Informally known as cruciferous vegetables, Brassica is a genus of plants in the mustard family or Brassicaceae in Latin.

There are numerous varieties and subspecies in the Brassica family, some of which are used to grow some of the most significant agricultural crops in the world.

Therefore, the domesticated plant, the historian was reading, about is cauliflower.

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How Snails and Elodea carry the Carbon dioxide cycle in aquarium water is through the process of the production of Carbon dioxide and Carbon dioxide and oxygen by Snails and Elodea through aquarium water with the introduction of light. This is further explained below.

Generally, Carbon dioxide is simply defined as a gas that emits carbon dioxide (CO2), which is colorless and smells like vinegar.

In conclusion, The water will become yellow under bright and/or dark conditions, respectively. Due to the fact that Snails produce just carbon dioxide, Elodea produces carbon dioxide and oxygen gas

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Answer:

An inversion is a chromosome rearrangement in which a segment of a chromosome is reversed end-to-end. An inversion occurs when a single chromosome undergoes breakage and rearrangement within itself. Inversions are of two types: paracentric and pericentric.

Explanation:

Answer:I believe that the answer would be 18

Explanation:

32 divided by 2 is 18

If a DNA strand has 32% Guanine before semi-conservative replication occurs, then the percent Thymine will each new strand have after replication will be 18%.

In conclusion, if a DNA strand has 32% of Guanine before replication, then the percent of Thymine after replication will be 18%.

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La respuesta correcta para esta pregunta abierta es la siguiente.

Desafortunadamente no incluiste la pregunta. Aquí solo anotas una afirmación, pero no hay ninguna pregunta. Tampoco incluiste la tabla a la que te refieres. Sin esa información, no sabemos qué es lo que necesitas.

Si lo que deseas es un comentario complementario, podemos compartir los siguiente.

Es cierto que el ser humano ha utilizado materiales naturales o artificiales en la mejora del proceso de cocción, dependiendo de la época en la historia y el lugar. Estos materiales tienen contacto directo con los alimentos y suelen exponerse a altas temperaturas, por esa razón deben ser fabricados con especial cuando e incluir tipos de recubrimientos para los utensilios de cocina que garanticen la salud de las personas, puesto que con ellos se preparan y guisan los alimentos.

De ahí que en esos utensilios no deben usarse materiales de riesgo como el cobre o el plomo, porque desprenden substancias tóxicas que ponen en riesgo la salud de las personas.

El acero inoxidable, el teflón, la cerámica o las ollas de barro, han resultados ser las mejores opciones en la cocina.