You can estimate the deadliness of each type of cancer by dividing the number of deaths by the number of cases. If nearly everyone who received a diagnosis of one particular type of cancer dies, the ratio will be near 1 (or 100% deadly). If many more people receive a diagnosis than die, the ratio will be near 0 (or 0% deadly). Rank these three cancer types from the most deadly to the least deadly.

Answer: Volcanic eruptions form precipitates shifting of tectonics plates form minerals

Receptor tyrosine kinases (RTK) are membrane-bound proteins that play a crucial role in cellular communication. They consist of an extracellular domain that binds to specific ligands, a transmembrane helix, and an intracellular domain that contains kinase domains.

The intracellular domain is responsible for autophosphorylation and cross-phosphorylation of tyrosine residues. The a subunit of RTKs contains seven a helices that span the membrane, allowing for signaling across the membrane. RTKs are usually monomeric in the absence of a ligand.

GTPase activity is required for autophosphorylation and cross-phosphorylation to occur, and this activity is regulated by a variety of intracellular signaling pathways. Overall, RTKs are important for regulating cell growth, differentiation, and survival.

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Answer:.nitrates

            .ammonia

             .proteins

             . ammonium salts

Explanation: the variations of the nitrogen bases are: \(NO3\) (nitrate), which is found in the plant nodules that we feed on,

.Ammonia, which is excreted by us through urines, which also contains nitrogen, which when absorbed into the soil, form ammonium salts

.proteins, that we get when we feed on nitrogenous foods, which when we die they get decomposed into nitrates and ammonia.

.ammonium salts, teat are changed by the nitrifying bacterias into nitrogen gas which returns back in the atmosphere

.

The four nitrogen bases contribute to the variation between humans because the order of nucleotides determines phenotypic features associated with genetic inheritance.

In conclusion, the four nitrogen bases contribute to the variation between humans because the order of nucleotides determines phenotypic features associated with genetic inheritance.

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Testosterone is secreted by interstitial cells, also known as Leydig cells, which are located in the testes of males. These cells are responsible for producing and releasing testosterone.

Which plays a critical role in the development of male reproductive organs, the growth of body hair, muscle mass, and bone density, and the regulation of libido and sexual function. Testosterone production is regulated by luteinizing hormone (LH), which is produced by the pituitary gland. When LH stimulates the interstitial cells, they begin to produce and release testosterone into the bloodstream. In females, testosterone is also produced in smaller amounts by the ovaries and adrenal glands. Overall, testosterone is an important hormone for both males and females, and its production is closely regulated by the endocrine system.

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question is kind of strange but this depends on personal preference. I would go with the first one bc I'm too lazy lol. But if you're someone that's not, you might pick the last option because you don't want to run out before you don't even start the fire lol

The proper way to start a fire is to Gather small twigs and light them. Then gather larger sticks. thus option A is correct.

A group of incandescent particles which is combustible is called fire, it occurs Due to a chemical reaction of violent oxidation or combustion, these combustible particles releases heat energy and light energy.

Flames  are the most visible part of fire emits light in a certain spectrum, depending on the substances that burn which gives blue, yellow, red, white with a specific temperature range.

Smoke is the burning particles can no longer be part of the combustion reaction and  by-product of fire, usually lighter than air , their color may vary like white, black or gray and it is  inhalation is a source of health risks.

Gases are the by-product  combustion , colorless and toxic, forms of matter that escape along with smoke; fire generates light and heat energy by exothermic reaction produces an excess of energy

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The statement that "the most distinctive feature of the tomb of ismail the samanid in bukhara is its red sandstone exterior and an immense sahn" is: False

Artifacts or artifacts are defined as general terms that refer to objects made or shaped by humans, such as tools and works of art, especially objects of archaeological interest.

The most distinguishing features of the Samanid Ismaili Tomb in Bukhara are its unique architectural style and historical importance as one of the oldest surviving Islamic mausoleums in Central Asia. The tomb is better known for its geometric masonry patterns and compact cube-like structure than for its cladding and large saan (courtyard).  

Thus, the given statement is false

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The provided question is incomplete as it lacks the combinations of parent as metion in the question, however the complete question is attached as the image.

Answer:

There are two parent combinations that are :

1. heterozygous black Ff cross with heterozygous black Ff

2. heterozygous black Ff cross with white ff

Explanation:

1. in first combination the each parent will produce F and f gametes, as it is shown as Capital F so it will be dominant over f as per the rule. so the cross can be shown as :

    F      f

F  FF    Ff

f  Ff     ff

where, FF are black Ff black and ff white offspring. As there is clearly 3 black offspring over one white spring so the ratio is 3:1 or 75% chances of black and 25% chances of white offspring (phenotype).

2. in second combination there would be F and f gametes for black parent and f and f for white parent, thus the offsprig would be :

    F     f

f   Ff    ff

f   Ff    ff

As, there is two black and two white springs are produced than the ratio would be 2:2 or 50% chances of each white offspring and black offspring (phenotype)

The combinations of flies showed the highest number of mating instances is  Males grown on starch paired with females grown on starch.

Therefore option B is correct

mating is described as  the pairing of either opposite-sex or hermaphroditic organisms for the purposes of sexual reproduction.

The mating behavior of flies is that the  male taps the female with his leg, which is studded with pheromone-sensing receptors.

He then might doggedly follow her around and serenade her with a song by sticking out a wing and vibrating it.

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Remember that by definition biological evolution is the set of changes in phenotypic and genetic characteristics of biological populations through generations. Note that evolution occurs within populations, not within a single individual. So we can conclude that the correct answer is:

A group of fir trees in Oregon

Answer:

Option D

Explanation:

The well defined nucleus is absent in prokaryotes whereas the well defined nucleus covered with nuclear envelope is present in eukaryotes. The site of replication and transcription is the nucleus in the living organism.

The nucleus contains the double membrane structure. Outer membrane and inner membrane covers the nucleus. Nucleus also contains the nuclear pore through which molecules can move inside and outside of the nucleus and the cytoplasm.

Answer:

B

Explanation:

Chemistry starts with the atom as this is the building block of all chemistry.

The cell, nucleus, and enzyme are all part of biology and not chemistry (at this level at least)

Answer:

B. an atom

Explanation:

Hope that helps!

Homozygous describes an organism that has identical alleles for a trait.

In general , If an organism has identical alleles for any trait, then it will be  known as Homozygous such as AA or aa alleles. also when alleles are paired  then the organism's genotype is known as homozygous for that trait on the other hand  if they are different, then genotype is known as heterozygous.

Homozygous can also be defined as presence of two similar alleles at a same gene locus. A homozygous genotype may also include two normal alleles or two alleles that have the same variant. For example if An organism have two dominant alleles for a trait then it is said as  homozygous dominant genotype. dominant trait for eye color can be written as  BB.

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A. A GTP cap and poly A tail are added to protect the mRNA as it leaves the nucleus best describes how the mRNA undergoes a series of modifications after transcription.

After transcription, mRNA undergoes a process known as post-transcriptional modification, which involves several steps to produce a mature mRNA molecule that can be used in translation. The first step is the addition of a modified guanine nucleotide, called a GTP cap, to the 5' end of the mRNA molecule. This cap protects the mRNA from degradation and helps in the initiation of translation. The second step is the addition of a poly(A) tail to the 3' end of the mRNA. The poly(A) tail is a long chain of adenine nucleotides that protects the mRNA from degradation and plays a role in the export of the mRNA from the nucleus. In eukaryotes, splicing occurs before the addition of the cap and tail.

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Answer:

i dont know

Explanation:

but good luck

Answer:

Enzyme

Explanation:

Lactase and carbonic are examples of enzyme. By definition, an enzyme is a chemical substance found in plants and animals that aids in the production of natural processes. Lactase is a galactoside hydrolyzing enzyme found in the intestines of young mammals and yeasts.

Answer: There are three of chromosome number 18

Explanation: normally every chromosome is a pair, this is a triplet which is a genetic disorter

The given sequence "AUACCCUUGGAU" is a messenger RNA (mRNA) sequence. To translate this mRNA sequence into its corresponding protein sequence, we need to first use the genetic code chart to identify the amino acid codons.

Using the chart, we can see that "AUA" codes for the amino acid isoleucine (Ile), "CCC" codes for proline (Pro), "UUG" codes for leucine (Leu), and "GAU" codes for aspartic acid (Asp). Therefore, the corresponding protein sequence for the given mRNA sequence is: Ile-Pro-Leu-Asp.

It's important to note that the mRNA sequence is read in sets of three nucleotides (codons), and each codon specifies a particular amino acid or a stop/start signal. In this case, there are no stop or start codons, so we assume that the given sequence represents a complete coding region.

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Photosynthesis is the process by which plants trap light energy through their pigments and together with carbon dioxide and water generate a carbohydrate (chemical energy).

That is, photosynthesis is the process in which light energy is converted into chemical energy in the form of sugars.

we can conclude that the correct answer is:

B. photosynthesis.

Answer:

Papillary Layer

Explanation:

In addition, the papillary layer contains phagocytes, defensive cells that help fight bacteria or other infections that have breached the skin. This layer also contains lymphatic capillaries, nerve fibers, and touch receptors called the Meissner corpuscles.

The water cycle, also known as the hydrologic cycle, is the continuous process by which water is circulated throughout the Earth and its atmosphere. The cycle consists of several processes, including evaporation, condensation, precipitation, and transpiration.

The option that does not happen to water as it goes through the water cycle is option D. Water vapor does not warm and become precipitation during the water cycle. Instead, as water vapor cools, it condenses into liquid water droplets or ice crystals and falls to the Earth's surface as precipitation. Precipitation can take the form of rain, snow, sleet, or hail, and is an important part of the water cycle, as it replenishes the Earth's water resources. After precipitation, the water may flow into rivers, lakes, or oceans, where it can evaporate and begin the cycle anew.

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Answer:

A chromosome is made up of DNA tightly coiled many times around proteins called histones that support its structure.

A chromosome is a strand of DNA that is encoded with genes.

In most cells, humans have 22 pairs of these chromosomes plus the two sex chromosomes (XX in females and XY in males) which make  a total of 46.

Explanation:

Answer:

answer is here

Explanation:

Chromosomes are thread-like structures located inside the nucleus of animal and plant cells. Each chromosome is made of protein and a single molecule of deoxyribonucleic acid (DNA). Passed from parents to offspring, DNA contains the specific instructions that make each type of living creature unique.

The correct answer is c. dominant. Allele masks the expression of an alternate form of that same gene, and the allele that masks the other is referred to as a dominant allele. It is expressed in both homozygous and heterozygous forms, and it determines the phenotype of the organism.

What is an allele?

An allele is a variant form of a gene that is responsible for the production of a different protein that results in a distinct phenotype. Alleles come in pairs, one from each parent, and they may be either dominant or recessive. The genotype of an organism is its genetic makeup, while the phenotype is its observable traits.

What is locus?

The locus refers to the specific location of a gene on a chromosome. The term that describes an allele that masks the expression of an alternate form of that same gene is "dominant" (option c). A dominant allele, when present, will always be expressed in the phenotype, whereas a recessive allele will only be expressed if both alleles are recessive.

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Answer:

No

Explanation: The chromosomes are always inherited as complete unites

Hope this helps

True. The front third of the tongue is the part of the oral cavity most likely to provoke the gag reflex.

The tongue is a muscle organ in the oral cavity that is essential for speaking, taste, and chewing, among other vital processes. It is made up of glands, muscles, and nerves that cooperate to manipulate food during the mastication process and aid in swallowing. Numerous taste buds on the tongue's surface enable humans to recognise various flavours, and the tongue's motions aid in combining saliva and food to start the digestion process. The tongue is also necessary for speech since it aids in sound formation and word articulation. The tongue is an intricate and important organ that is involved in many facets of daily living.

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The importance of stem cells is that they are differentiated and can become daughter cells.

Stem cells have the potential to serve as the foundation of treatments for a wide range of illnesses due to their capacity to develop into almost any type of cell in the body. Standardized methods for stem cell cultivation and differentiation will be created as research advances.

In the body, stem cells have the capacity to differentiate into a wide variety of cell types. They act as the body's system for repairs. Adult stem cells and embryonic stem cells are the two primary categories of stem cells.

Therefore, one can say that daughter cells are created when stem cells divide properly in the body or a lab to create more cells. These daughter cells either differentiate into more stem cells or into cells with a more focused purpose.

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If a human can continuously eat without feeling full, they might be in deficit of the hormone leptin, option 6 is correct.

Leptin is primarily produced by fat cells and acts as a satiety hormone, signaling to the brain that the body has sufficient energy stores. It helps regulate appetite and energy balance by suppressing hunger and increasing energy expenditure. When leptin levels are low or the body becomes resistant to its effects, the brain doesn't receive the signal that the body is satiated, leading to excessive food intake and a lack of feeling full.

While the other hormones listed, such as glucose, neuropeptide Y, testosterone, glucagon, and PYY, may play a role in appetite regulation and energy balance, leptin is specifically associated with signaling fullness and satiety. Its deficiency or resistance can disrupt the normal feedback loop between the body and the brain, resulting in continuous eating without feeling satisfied, option 6 is correct.

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The groups made up of one ancestral variant and all of its descendant, mutated variants are arranged by the scientists, and they are color-coded in the tree.

The groups may or may not have the same number of branches or branch tips. It depends on the number of descendants and mutated variants of each ancestral variant. Some ancestral variants may have fewer descendants, and some may have more.

The scientists arranged the branches into groups made up of one ancestral variant and all of its descendant, mutated variants. These groups, known as clades, are color-coded in the tree. Clades can have different numbers of branches or branch tips because they represent the evolutionary relationships between different species or populations.

Each clade starts with a single ancestral variant that gave rise to all of the descendant species or populations, including those that have mutated over time.

Depending on the number of descendants and the degree of variation between them, a clade can have more or fewer branches, which in turn can affect its color-coding and placement on the tree. Therefore, the number of branches or branch tips in each group can vary depending on the evolutionary history of the organisms being studied.

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