HELP PLEASE!!! Match the correct term with the corresponding definition or description.

The body can store a small amount of extra iron in a protein found in red blood cells called ferritin.

Iron absorption has been shown to be improved by vitamin C. It binds to non-heme iron and stores it in a form that your body can easily absorb. The mechanisms that regulate systemic iron homeostasis are largely focused on the liver and involve two molecules, hepcidin and ferroportin, which collaborate to regulate the flow of iron from cells into the systemic circulation.

Iron deficiency is commonly caused by a lack of iron in the diet, chronic blood loss, pregnancy, and strenuous exercise. Iron deficiency occurs when some people are unable to absorb iron. Iron deficiency can be treated by consuming iron-rich foods.

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Histones are identical copies of the chromatin that cohesin holds in place at the centromere.

A histone is indeed a protein that gives chromosomes structural support. The lengthy DNA molecules that make up each chromosome must fit inside the cell nucleus. The chromosome takes on a more compact shape as a result of the DNA wrapping around complexes containing histone proteins.

DNA is shielded against tangle formation and damage by histones. Additionally, histones are crucial for DNA replication and gene control. Chromosomes' unraveled DNA would be exceedingly lengthy without histones.

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Answer:

666

Explanation:

All methods for changing enzyme activity are temporary. They are all reversible.

What is an easy way to define enzyme?

A specific kind of biological catalyst called an enzyme is almost always a protein. It speeds up a particular chemical process happening inside the cell. The enzymes are continuously employed throughout the process, and they are not wasted.

What role does an enzyme play?

Our bodies' metabolism, or chemical reactions, are accelerated by proteins called enzymes. While certain chemicals are destroyed, new ones are created. Enzymes are a part of everything living. Our bodies naturally manufacture enzymes. Names ending in -ase are frequently derived from the substrate of an enzyme or the series of events that it catalyzes.

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The correct statements about selective media are:

Recombinants are the host cells that have been integrated with a gene of interest from an outside source. These recombinants may either clone the genetic material or produce the product from it in the form of proteins.

Mutation is any change in the normal genetic sequence of DNA. The mutation can be in a single nucleotide or at a stretch of various nucleotides. These are termed as point and frameshift mutations respectively.

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A. Volume = displcement

Therefore the rock has a volume of 10mL

B. Density = mass/volume

Therefore density = 23/10 = 2.3 per unit volume.

Measure the amount of water poured into the graduated cylinder put the object in the water and measure the amount again. The difference between the two volume measurements is the volume of the object. Then divide the mass by the volume to calculate the object's density.

To measure the volume of a large stone fill a glass measuring cup halfway with water. Put a large stone in and measure the new water level. Subtract the original volume of half a glass of water and the difference is the volume or space occupied by the stone. One way he does this is by submerging the object in a measuring cup of water and recording how much the volume increases. Convert volume to m³.

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Among all these options all of them are reptiles except for one species. The species that is not at all a reptile is northern leopard frog that is an amphibian.

Reptiles belong to the kingdom animalia and the class reptilia. The more animals to which the kingdom belong are lizards, crocodiles and many more.  

Amphibians (frogs) that are having four limbs and these are mostly able to live in  both water and land for example in the case of amphibians it is eggs laying in water but they live on land but it is noticeable that they fertilise in water.

Therefore, the correct option is northern leopard frog.

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A DNA sequence known as a TATA box is found in many eukaryotic promoters. Similar to the 10 element in bacteria, the TATA box also has a function.

Within promoter regions are DNA sequences known as response elements that serve as a reliable binding site for transcription factors and RNA polymerase. Proteins known as transcription factors are responsible for activating RNA polymerase, controlling, and regulating the transcription of DNA into mRNA.

DNA sequence that acts as a recognition and recruitment site for transcription factors and RNA polymerase. Transcribing process stages. A gene's transcription occurs in three stages: start, elongation, and termination.

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Less than and equal to the optimum temperature, any increase in the reaction temperature leads to a decrease in its rate is not true regarding enzymatic reactions.

Factors affecting enzyme

The reaction that enzymes catalyse receives activation energy from them.

Temperature is one of the elements impacting enzymes. Substrate molecules start to move more quickly as the temperature rises. By increasing the number of substrate molecules that come into contact with the enzymes' active sites, more substrate can bind.

The enzyme's active sites must be free for the velocity to be at its highest level.

The human body uses enzymes to accelerate chemical reactions. Among many other functions, they are crucial for respiration, food digestion, muscle, and neuron activity. There are thousands of enzymes in each cell of the human body. Each cell's use of enzymes aids in facilitating chemical reactions

Proteins that contain amino acids linked together in one or more polypeptides are called enzymes.

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Answer:

carbon dioxide

your welcome

Best represents the expression of the gal10 and gal1 genes in a strain that constitutively expresses gal80

constitutively expresses gal80 and Saccharomyces cerevisiae GAL80 gene (SGDID:S000004515) is a negative regulator of the transcriptional activator GAL4 from Saccharomyces cerevisiae. Dimers of GAL80 bind to GAL4 dimers, allowing GAL4 to bind UAS sequences but not to activate transcription (adapted from FBrf0233764). If GAL4 is the canonical on-switch for almost all transgenes of interest, GAL80 is the logical off-switch. GAL80 binds to the transcriptional activation domain of GAL4, thereby preventing recruitment of RNA polymerase (Ma and Ptashne 1987). Gal3 binds Gal80 more strongly than Gal1, indicating changes in adaptive proteins after replication. Molecular Biology and Evolution | Oxford Scholar.

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Large body size was initially a disadvantage for organisms in the million years after the catastrophic asteroid impact.

An Impact event is a collision between astronomical objects causing measurable effects. large body size is known as a key diagnostic feature of species threatened with extinction.

In ecology, The studies between the body size and extinction has been studied in detail. The specification curves show that the body size effect on threat status tends to be less strongly impactful in models that include geographic range size as a covariant.

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Answer:

Chimpanzees.

Explanation:

Chimpanzees now have to share the distinction of being our closest living relative in the animal kingdom

Chimpanzees now have to share the distinction of being our closest living relative in the animal kingdom. So, chimpanzees are similar to humans.

What animals are similar in form to humans?

Humans, chimpanzees, gorillas, orangutans, and their extinct ancestors form a family of organisms known as the Hominidae. Researchers generally agree that among the living animals in this group, humans are most closely related to chimpanzees, judging from comparisons of anatomy and genetics.

Why humans are also animals?

Humans can move on their own and are placed in the animal kingdom. Further, humans belong to the animal phylum known as chordates because we have a backbone. The human animal has hair and milk glands, so we are placed in the class of mammals. Within the mammal class, humans are placed in the primate order.

Thus, chimpanzees are similar to humans.

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DNA replication occurs during the S phase and cell replication occurs during the interphase phase.

In interphase, there is a process of preparation and storage of energy by cells to carry out the division. During interphase, the cell nucleus (nucleus) and daughter cells (nucleolus) are visible. However, the chromosomes in the cell are not visible because they are still in the form of chromatin, which are fine threads composed of DNA, RNA, and protein molecules.

The interphase stage can be divided into three:

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The logging of u.s. temperate rainforests has been especially contentious over the past few decades because pre-participation physical examination.

A pre-participation examination, has been often known as the sports such as the physical, has intended to support the maintenance of players' health and safety. The goal has to encourage risk-free participation.

The primary objective as Identify any conditions that could put the athlete at risk for harm, Determine whether any conditions are potentially fatal or incapacitating and fulfill all legal and insurance requirements.

The main agenda analyze general health, counsel on matters relating to health as well as evaluate the level of fitness for a particular sports.

Therefore, The logging of u.s. temperate rainforests has been especially contentious over the past few decades because pre-participation physical examination.

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The characteristics of tortoise that Darwin describes include lengthy necks in saddleback tortoises and short necks in domed tortoises.

Darwin observed that many species of tortoises resided on islands with various climatic conditions. He understood that the tortoises possessed characteristics that enabled them to survive in their specific settings. For instance, the shells and necks of tortoises that consumed plants close to the ground were rounded.

The two varieties of Galapagos Island tortoises will be divided into the following groups:

Saddleback Tortoises have lengthy necks, elevated plant life, and rounded shells. While short necks in domed tortoises, ground-level plants, and ordinary shells.

It should be noted that the term "Galapagos tortoise" refers to a chelonoidis family member. The largest species of tortoise are known to exist. They have a maximum weight of 417 kg.

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Answer:

The enzyme needed is topoisomerase. Topoisomerases are enzymes whose function is to regulate the unwinding of the DNA double helix. They ensure there is no over winding or underwinding of the helix. During the replication and transcription of DNA, the double helix becomes overwound ahead of the replication fork. If left to go on, the tension created would eventually hinder the ability of DNA and RNA polymerase enzymes to continue down the strand of DNA. Topoimerases I and II enzymes correct this, ensuring the polymerase enzymes do their work smoothly.

Explanation:

Hope this helps!

Answer:

It should be Metaphase

Answer:

Skin cells

Explanation:

Because skin cells are often in harsh conditions, it is important that they undergo mitosis often

The biological species concept would emphasize that species are reproductively isolated from each other.

So, the correct option is B.

The biological species idea stresses group separation for reproduction and is based on behavioral evidence. The lineage-species idea, which is based on genetic data, highlights unique evolutionary paths across groups that produce separate branches on a phylogenetic tree. According to the biological species concept, a species is a collection of populations that, when living together in nature, have the capacity to interbreed and give birth to live, fertile offspring but do not tend to breed with other populations.

The study of reproductive isolating mechanisms is essential to understanding the biological concept of species because these mechanisms act as physical barriers to gene flow, defining the boundaries of the reproductive community and gene pool while also maintaining the integrity of the species' genetic makeup.

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The eyepiece is also known as the ocular. This area is used to view objects through the microscope. It can be accessed from the microscope's top. It has a 10x standard magnification and a 5X to 30X optional eyepiece as options.

An apparatus for enlarging minute objects is a microscope. The shape of a cell, as well as its nucleus, mitochondria, and other organelles, can be seen by scientists using some types of microscopes, which even allow them to observe an object at the cellular level.

Objective: The primary lenses for viewing specimens are those mentioned above. They can be magnified between 40x and 100x. One to four objective lenses can be found on a microscope, some of which are rare-facing and others that are forward-facing. There are various magnification levels for each lens.

Stage: This is the area where the specimen is displayed for inspection. The specimen slides are kept in place by stage clips. The most popular type of stage is a mechanical stage, which enables control of the slides by allowing them to be moved mechanically on the stage rather than manually.

Fine adjustment knobs and coarse adjustment knobs: These knobs are used to focus the microscope. They are referred to as coarse adjustment and fine adjustment. Adjustment knobs come in two varieties.

Condenser: Lenses called condensers are used to gather and concentrate light from the illuminator onto the specimen. They are located next to the microscope's diaphragm underneath the stage. They are essential for producing clear, sharp images at high magnifications of 400X and higher. Image clarity increases with increasing condenser magnification. With an Abbe condenser that has a high magnification of about 1000X, more advanced microscopes are available.

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A gene fusion where the regulatory region of one gene is fused to the open reading frame of another gene whose protein product is easy to detect reporter gene.

A gene created by combining sections of two different genes. Fusion genes and the fusion proteins that result from them can be created in the laboratory or naturally in the body when a piece of DNA from one chromosome moves to another. The most common type of mutation is gene fusions or translocations caused by chromosomal rearrangements. They result in chimeric transcripts or gene deregulation due to the juxtaposition of novel promoter or enhancer regions.

A reporter gene is an exogenous coding region that is linked to a promoter sequence or element in an expression vector and introduced into cells to provide a means of measuring promoter activity.

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The biological sons that she raised from birth. her two sons are members of her Family of procreation.

Family is the first and most important agent of socialization. Procreation comes from a Latin word procreare meaning "bring forth" It refers to the family you want to create through marriage and by having children. Families of procreation includes their own set of distinct family values. It is different from family of orientation where it is the family you were born into.

The role of family of procreation is to create children and develop their socialization. The family here created is done by the choices unlike family of orientation where we do not get to choose.

The family of procreation will form unique family values and dynamics

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Jawless fishes come under class agnatha, Chondrichthyes comes under Pisces, Actinopterygii includes ray-finned fishes, and sarcopterygian includes lobe-finned fishes.

What is a phylogenetic relationship?

It is the study of the relationship among organisms of a species or a population through evolution. It enriches our understanding of how genes, genomes, and species evolve.

Pisces has two types of vertebral column trunk and caudal vertebrae, cartilaginous fishes have cartilage endoskeleton, and bony fishes have bone endoskeletons, respiration occurs through gills, Fishes and amphibians are amniotes.

Amphibians, reptiles, and mammals have axial and appendicular endoskeletons. Amphibia, reptilia and Mammalia have dicondylic skull, four limbs, respiration through lungs, and a vertebral column.

Sarcopterygii and Actinopterygii are two groups of Osteichthyes which have a bony endoskeletons.

Hence, Pisces, amphibia, reptilia, Mammalia have almost similar characteristics that differ only in the endoskeleton.

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when using the hill equation, it is possible to observe negative cooperativity.

Negative cooperativity is a phenomenon in which binding of one or more molecules of a ligand to a multimeric receptor makes subsequent ligand molecules more difficult to bind. Negative cooperativity can make the response of a multimeric receptor more graded than it would otherwise be. Negative cooperativity occurs when the binding of a first ligand or substrate molecule reduces the rate of subsequent binding. This definition does not apply only to ligand-receptor binding; it applies whenever two or more molecules have two consecutive binding events. Negative cooperativity occurs when the binding of a first ligand or substrate molecule reduces the rate of subsequent binding.

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Occurrence of endemic species in South America and Australia is due to continental drift. Continental drift is the gradual movement of the continents across the earth's surface.

Darwinism claims that the fossilized remains of South American species are similar to those found in Africa and Australia.

Thousands of animals and plants were gathered and described by Darwin during the Beagle's trip (1831–1836). He studied how species in South America adapted to a range of environments, including rainforest, grassland, and mountain ecosystems. The species in the temperate areas resembled the species of South America's tropical regions more than they did the similar species of Europe's temperate regions. For instance, although there are no rabbits in Argentina's grasslands, there are rodents that resemble them. These rodents are not linked to European rabbits, but rather to other rodents found in South America.

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Answer:

The functions of the liver include:

The functions of the liver include:

Explain the functions of the liver.

Thus, these points are the functions of the liver.

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The skeleton has been labeled based on the information given.

The human skeleton is the body's internal framework. It is made up of approximately 270 bones at birth, which decreases to approximately 206 bones by adulthood after some bones fuse together. The skeleton's bone mass accounts for approximately 14% of total body weight.

Thw body's skeletal system serves as a support structure. It shapes the body, allows movement, produces blood cells, protects organs, and stores minerals. The musculoskeletal system is another name for the skeletal system. The skeletal system also provides support to the body by acting as a framework and attachment.

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