Lactase and carbonic anhydrase are examples of what type of substance?
substrate
reactant
product
enzyme

An arrow representing a reaction merely shows that something has altered and transformed. The arrow points from the earlier object to the latter one. The reaction arrow is used in a "equation of reaction".

Products are the substance or substances to the right of the arrow. A substance that remains after a chemical reaction is complete is known as a product.

In a chemical reaction, reactants are the chemicals that are on the left side; they are the starting elements that combine to generate products.

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Answer:

A

Explanation:

its an ecosystem; reaction between living things and their environment

When populations share the environment and interact with the other populations of different living species present in the same are, it is called an ecological community. Thus, the correct option is B.

An ecological community is defined as the group of species which are commonly found together in an area. Ecological communities may include animal or plant assemblages with the similar habitat requirements and contain species which may interact with each other or rely on the similar processes in their particular environment.

An example of ecological community is a forest community which comprises of all the trees, the plant community, birds, deer, squirrels, foxes, fungi, insects, and other local or seasonal species.

Therefore, the correct option is B.

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The exchange of oxygen and carbon dioxide between the air in the alveoli and blood in the lungs is called pulmonary gas exchange.

The pulmonary gas exchange process occurs in the lungs during the process of respiration. Alveoli are the tiny sacs in which the oxygen from the inhaled air diffuses across the thin walls into the bloodstream then it binds to haemoglobin in red blood cells. Simultaneously, carbon dioxide diffuses out from the bloodstream into the alveoli and exhaled from the body.

The necessary oxygenation of the body's tissues is ensured by pulmonary gas exchange, which also ensures a new supply of oxygen in the blood and the elimination of carbon dioxide. It supports cellular respiration, which is how cells use oxygen to make energy and is an important step in the whole respiratory process.

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The exchange of oxygen and carbon dioxide between the air in the alveoli and blood in the lungs is called pulmonary gas exchange.Pulmonary gas exchange is the process by which oxygen and carbon dioxide are exchanged between the lungs and the environment.

Pulmonary gas exchange occurs between alveolar air and pulmonary capillary blood, resulting in the transfer of oxygen from the air to the blood and the transfer of carbon dioxide from the blood to the air. It is a part of external respiration. In other words, it is the process of gas exchange that occurs in the lungs between the air and blood.Long answerThe exchange of oxygen and carbon dioxide between the air in the alveoli and blood in the lungs is called pulmonary gas exchange. Pulmonary gas exchange is the process by which oxygen and carbon dioxide are exchanged between the lungs and the environment. Pulmonary gas exchange occurs between alveolar air and pulmonary capillary blood, resulting in the transfer of oxygen from the air to the blood and the transfer of carbon dioxide from the blood to the air. It is a part of external respiration.In order to achieve pulmonary gas exchange, a number of factors must be in place.

This means that the alveoli, which are small air sacs in the lungs, must be able to exchange gases effectively. The alveoli are surrounded by capillaries, which are small blood vessels that transport blood from the heart to the lungs and back again. The capillaries in the lungs are responsible for carrying oxygen-rich blood to the body's tissues, and they also carry carbon dioxide back to the lungs for removal from the body.Another important factor in pulmonary gas exchange is the presence of a concentration gradient. This means that there must be a difference in the concentration of oxygen and carbon dioxide between the alveolar air and the pulmonary capillary blood. This gradient allows for the efficient transfer of gases between the air and the blood.In summary, pulmonary gas exchange is the process of gas exchange that occurs in the lungs between the air and blood. It is a vital process that allows for the delivery of oxygen to the body's tissues and the removal of carbon dioxide from the body.

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Answer:

Explanation:

I think that it is Apex predator

According to the research, the correct answer is Option C. ATP generally energizes a cellular process by coupling free energy released by ATP hydrolysis to free energy needed by other reactions.

It is a nucleotide that is essential for cells to obtain energy through an energy transfer process known as phosphorylation.

In this sense, the release of energy generally develops in a controlled manner where part of said energy is incorporated into ATP molecules that, thanks to this process, can be used in endothermic processes such as anabolism (the maintenance and development of the organism).

Therefore, we can conclude that according to the research, the ATP is hydrolyzed whose energy that is released serves to fuel the endergonic reactions.

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The type of energy that is represented by part number 1 is sunlight or solar energy.

The sun is one of the most significant energy sources. Most of the energy on earth comes from the sun, which is where it all began.

The sun's energy warms the planet, generates wind and weather, and keeps plant and animal life alive. There are waves of various frequencies and wavelengths throughout the electromagnetic spectrum. On the surface of the Earth, the Sun serves as the primary energy source.

It functions like a powerhouse, producing and releasing energy in the form of heat and light. Solar energy is the name for this energy that the sun continuously emits.

Therefore, Sunlight or solar energy is the sort of energy that component number 1 stands for.

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All of the above are practical problems with implementing the idea of Maximum Sustainable Yield (MSY) in fisheries. Hence, option D is correct.

 Bycatch (catching non-target species) is one of the practical problems with implementing MSY. When the fishing vessels catch species that are not their target, it is called bycatch. It is considered a significant challenge in fisheries because it can be wasteful, and often has negative effects on non-target species. Enforcement (preventing illegal fishing) is another practical problem.

A robust fisheries management system is required to ensure that fishing operations are conducted legally. Enforcement is critical in preventing overfishing and preventing unsustainable practices from developing in the industry. Economics (supply and demand) is another significant problem. Fisheries are influenced by supply and demand, just like any other market.

The price of fish is determined by the quantity of fish available and the number of people who want to purchase it. This has an impact on the size of the catch, and therefore, on the sustainability of the fishery. The focus of the fishermen is often on the short-term profits, which can lead to overfishing and the depletion of fish stocks.

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Answer:

Answer is 512 nucleosomes.

Explanation:

DNA is the genetic material that is compressed and stored in the nucleus of the cell. Approximately 512 nucleosomes would be required to organize 92,672 base pairs long region.

Nucleosomes are the packaging units of the genetic material that comprises the DNA segments wrapped along with the histone proteins in a compacted manner. This allows the genetic material to be condensed into smaller volumes.

Given,

Genome size = 92,672 base pairs

Linker DNA = 35 bp

The total number of base pairs = number of base pairs in nucleosome core + linker DNA

= 146 + 35

= 181

The number of nucleosomes can be calculated as:

Nucleosomes = Genome size ÷ total number of base pair

= 92,672 ÷ 181

= 512

Therefore, there are 512 nucleosomes are present in the Drosophila.

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Your question is incomplete, but most probably your full question was, A large gene-containing region of DNA in the fruit fly Drosophila melanogaster‎ is 92,672 base pairs long. The length of linker DNA in Drosophila‎ is 35 base pairs. Approximately how many nucleosomes are required to organize this region of DNA into the 10nm fiber structure?

Answer:

Hey friend your answer is

Fat soluble vitamins are vitamin A.D,E and K

Water soluble vitamins are vitamin B and C

Explanation:

I hope this will help you :)

Answer:

Vitamins are classified as either fat soluble (vitamins A, D, E and K) or water soluble (vitamins B and C). This difference between the two groups is very important. It determines how each vitamin acts within the body. The fat soluble vitamins are soluble in lipids (fats).

Explanation:

Answer:

Explanation:

The primitive oceans formed from volcanoes at the beginning of time. When they blew up they released water vapour into the air. As the earth's crust cooled down, the water vapour condensed forming clouds, and water. The water fell as rain, which went down into the basins forming oceans. Scientists think they formed 4 billion years ago.

The statement "you observe that red sea turtles have become more common over time in a previously all-green population. you attribute the change to a selective advantage for the red phenotype, leading to a change in allele frequency" is TRUE.

What is Natural Selection? Natural selection is a mechanism by which the populations of organisms evolve. Charles Darwin first described the concept in On the Origin of Species, published in 1859. Natural selection is the process by which species of organisms adapt to their environment, which is one of the driving forces of evolution.

Advantageous variations are favored by natural selection, while harmful ones are eliminated. Red sea turtles have become more common over time in a formerly all-green population because the red phenotype is advantageous. As a result, the frequency of alleles has altered.

Red sea turtles are highly visible, which provides some protection against predators such as birds and mammals. Red sea turtles' diet contains carotenoid pigments, which are responsible for their red coloration. The pigments also serve as antioxidants, which help to protect the turtles from harmful environmental toxins.

Red sea turtles are thought to be better at regulating their body temperature than green sea turtles due to their red coloration.

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A, Yes, the alleles for Beak X could remain in the population as a recessive gene.

Recessive genes. The alleles for beak X could remain in the population as recessive genes. This means that birds with beak X would still be able to pass on the genes for beak X to their offspring, even if they themselves did not have beak X. If two birds with the recessive gene for beak X mated, their offspring would have a 25% chance of having beak X.

Mutation. The birds could mutate their beaks in response to a change in the environment. This could lead to the appearance of beak X, even if the gene for beak X was not present in the population before.

Random chance. Genetic mutation is so frequent that it is possible for beak X to reappear randomly by generation 10. This is especially likely if the environment is changing and there is a selective advantage for birds with beak X.

In conclusion, it is possible for beak X to reappear after 5 generations in nature. This could happen through the inheritance of recessive genes, mutation, or random chance.

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Complete question:

The graphs above show a change in distribution of beak phenotype X, Y, and Z over 10 generations. Notice that Beak X completely disappears from the population by Generation 5, but reappears by Generation 10. Could this occur in nature? How?

Yes, the alleles for Beak X could remain in the population as a recessive gene.

Yes, the birds could mutate their beaks in response to a change in the environment.

Yes, genetic mutation is so frequent that Beak X will likely reappear randomly by Generation 10.

No, once birds with Beak X are extinct, they cannot appear again.

Answer:

This test is called TB Skin Test.

Some people who are infected with both HIV and TB bacteria will not react to the TB skin test. This is because the immune system is not working properly. Anyone who is HIV infected and has a negative skin test should also have other medical tests, if they have symptoms of TB disease.

Almost 70% of cystic fibrosis cases result in the loss of an amino acid in the CFTR gene, causing cystic fibrosis due to a deletion.

A mutation is any genetic alteration in the genetic material (DNA molecule) of the genome of an organism.

A deletion is a special type of mutation where nucleotide bases are lost from the genetic material.

Insertions and deletions are mutations collectively referred to as indels, whereas single nucleotide polymorphisms are called SNPs.

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Answer:

The ratio of offspring that have round seeds and yellow seed color in a dihybrid cross is 9 out of 16.

WHAT IS A DIHYBRID CROSS:

• A dihybrid cross is a cross between two individuals that are are heterozygous for two genes.

• In this question, a gene involving seed color and seed shape is used. The allele for round shape (R) and yellow seeds (Y) are dominant over wrinkled (r) and green seeds (y).

A cross between two dihybrid i.e. RrYyx RrYy will result in the following offsprings:

R_Y_-9

R_yy - 3 rrY_ - 3

rryy - 1

Therefore, the ratio of offspring that have round seeds and yellow seed color in a

dihybrid cross is 9 out of 16.

In a dihybrid cross, 9 out of 16 progeny had spherical seeds and yellow seed color. So, the correct option is C that is 9:16.

A dihybrid cross is characterised as the union of two phenotypically distinct features that are regulated by separate genes. Nine offspring with phenotypical similarities to the parent will result from the dihybrid cross of heterozygous round yellow seeds.

The round as well yellow seed colour features are heterozygous in the parent. The following will result from the heterozygous parents' dihybrid cross:

The attachment below depicts the fusion of the features.

The ratio of spherical yellow seeds to those with other characteristics is therefore 9:3:3:1.

Therefore, the correct option is C.

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Answer:

crops ripen quickly because of the climate in alaska and the sun rising time.

Explanation:

The epiglottis prevents swallowed food from entering the trachea.

The epiglottis is a flap-like structure located at the base of the tongue, near the entrance of the trachea.

Its main function is to prevent food and liquids from entering the trachea during swallowing.

When we swallow, the epiglottis folds down, covering the opening of the trachea, thus directing the food or liquid towards the esophagus and preventing it from entering the airway.

This mechanism is crucial for protecting the respiratory system. By ensuring that food and liquids pass through the esophagus and into the stomach, the epiglottis prevents aspiration, which is when foreign substances enter the airway and potentially cause choking or respiratory issues.

The epiglottis is a flexible and elastic structure that is able to move dynamically during swallowing, allowing for efficient and safe passage of food and liquids into the digestive system.

Its role in preventing the entry of swallowed material into the trachea is an important protective mechanism that helps maintain the integrity and functionality of the respiratory and digestive systems.

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Streaming has significantly changed how consumers can access music. Prior to the advent of streaming, consumers mainly accessed music through purchasing physical copies of albums or through purchasing digital downloads. With streaming, consumers can now access a vast library of music through subscription-based streaming services such as Sp0tify, 4pple Music, and T1dal, or through ad-supported platforms like Y0uTube and S0undcloud.

Streaming has made it much easier for consumers to discover new music, as well as listen to a wide variety of music from different genres, eras and cultures, as the services usually have an extensive library with a wide range of songs and artists. They also provide personalized recommendations and playlists, making it easy for listeners to find new music that aligns with their preferences.

Streaming has also brought about a shift in the way music is consumed, with more and more people opting for on-demand streaming rather than owning music. This has led to changes in the music industry, with streaming services now playing a major role in how music is produced, marketed and monetized.

Additionally, streaming services also offer features like offline listening, where users can download songs or playlists to listen to them offline, and live streaming which allows users to attend live shows and concerts virtually.

Overall, streaming has greatly expanded the ways in which consumers can access music and has had a major impact on the music industry as a whole.

Fish tank for the fish.

Grow bed, floating rafts, or PVC pipes for the plants

PVC pipes.

water testing kit

Grow media.

Water Pump.

Air pump.

Grow lights

hope it helps

Active transport is the type of transport in which the transport which requires energy and it involves the movement of substances from the  across the membrane.

It is basically defined as the movement of molecules which happens to occur across the cell membrane against the concentration gradient and this happens usually with the assistance of different enzymes as well as the using of the energy in the cells.

Active transport is basically divided into two different types which are known as the primary as well as the secondary active transport and they depend on the source of energy which is basically used in the transport of the molecules. Symport means when the molecules travel in the same direction across the membrane whereas in antiport, the molecules are transported in opposite directions.

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Answer:

C. Tree

Explanation:

Biotic factors are living organisms that shape their environment.

Answer:

uracil(U), guanine(G), cytosine(C)

this is what my teacher told me

Explanation:

Answer:

uracil(U), guanine(G), cytosine(C)

this is what my teacher told me

The correct statement will be; RNA can form a extensive intra-strand base pairing interactions which are not limited to the Watson-Crick base pairing. Option D is correct.

RNA molecules having the ability to form a complex secondary and tertiary structures due to their ability to base pair with complementary regions within the same RNA strand. These base pairing interactions can involve a various types of base pairs, including Watson-Crick base pairs as well as non-canonical base pairs such as Hoogsteen base pairs and wobble base pairs.

These interactions allow RNA to fold into specific three-dimensional structures, which are essential for its various functions, including catalysis, binding to other molecules, and regulation of gene expression.

Hence, D. is the correct option.

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--The given question is incomplete, the complete question is

"Below which statement is correct? A) RNAs do not possess catalytic capabilities or modified nucleotides B) RNA adopts B form and Z form C) Each RNA has two antiparallel RNA strands D) RNA can form extensive intra-strand base pairing interactions that are not limited to Watson Crick base pairing E) RNA polymerase requires a primer to initiate RNA transcription."--

This model illustrates the DNA replication of both strands as a replication fork moves by showing that I am synthesized continuously in the 5′ to 3′ direction, and III is synthesized in segments in the 5′ to 3′ direction.

How DNA replication is illustrated by the model?

DNA replication is the process by which a cell produces two identical copies of DNA from one original DNA molecule. DNA replication is carried out by enzymes that attach to a parent DNA strand and replicate it in both directions. The model illustrates DNA replication by showing the replication fork's movement. The replication fork is the point where the DNA double helix unwinds and new strands begin to form. The replication fork progresses in the 5' to 3' direction, which is the direction in which DNA synthesis occurs. The leading strand, which is replicated continuously by DNA polymerase I, is illustrated in the model.

The leading strand and lagging strand:

The leading strand is synthesized in the direction of the replication fork's movement, allowing DNA polymerase I to replicate it continuously. The lagging strand, on the other hand, is replicated in a segmented manner by DNA polymerase III. Because DNA synthesis must take place in the 5' to 3' direction, the lagging strand is synthesized in a direction that is opposite to the replication fork's movement. Segments are generated in this manner, which is then connected by DNA ligase to form a continuous strand.

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After 5,100 years ago, the standardized impressions placed on clay tokens in ancient Mesopotamia became: (D) the world's first writing system.

Clay tokens were recovered by the Archaeologists while digging in Mesopotamia. They were dated to b as old as  7500 BCE. There actual use remains unknown but it was hypothesized that they must have been used as denominations in exchange of goods.

Mesopotamia is a region in the Western Asia with historical significance. The modern Iraq is currently in Mesopotamia. The importance of Mesopotamia lie in the fact that agriculture was first discovered there. It was a well established civilization with villages, domesticated animals, etc.

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Answer: B

Explanation:

produce proteins for the cell

Answer:

B. produce proteins for the cell

Explanation:

Just got it right on edge 2020

Yaakov is observing the metaphase stage of mitosis in the onion root tip cells under a microscope. During this stage, chromosomes align themselves at the center of the cell and become attached to spindle fibers, preparing for their separation in anaphase.

Metaphase is a crucial stage in the mitotic process. During this stage, replicated chromosomes align themselves at the center of the cell, forming the metaphase plate, as a result of the opposing tension exerted by the spindle fibers attached to the kinetochores of each chromosome. Chromosomes are clearly visible during metaphase because of the dye that has been used to highlight them.

The metaphase stage is followed by anaphase, in which the sister chromatids of each chromosome are separated by spindle fibers and pulled towards the opposite poles of the cell. After anaphase is completed, telophase begins, where two nuclei are formed around the sets of chromosomes that have been separated. Finally, cytokinesis takes place, which is the division of the cytoplasm and the creation of two new daughter cells.

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Answer:

the nutrients in the food is absorbed

Explanation:

Answer:

Explanation:

Blood in the villi helps to absorb nutrients and sugar molecules

Nutrients from food are absorbed

Fat is broken down into smaller droplets