Change that leads to maturity in living things is called

Answer:

the mutation changes one codon for an amino acid into another codon for that same amino acid. ... Silent substitutions never alter the amino acid sequence of the polypeptide chain. The severity of the effect of missense and nonsense mutations on the polypeptide will differ on a case-by-case basis.

Answer:

12.5 percent

Explanation:

0.125x8,000,000,000 is 1,000,000,000

The hepatic portal vein forms from the fusion of all of the following veins except the: b) hepatic vein.

The hepatic portal vein is a blood vessel that carries blood from various abdominal organs to the liver for processing. It forms through the convergence of the splenic vein, superior mesenteric vein, and inferior mesenteric vein. These veins collect blood from the spleen, small intestine, large intestine, and other abdominal organs. However, the hepatic vein is not involved in the formation of the hepatic portal vein. The hepatic vein, on the other hand, drains deoxygenated blood from the liver and returns it to the heart. It is responsible for carrying blood out of the liver rather than contributing to the formation of the hepatic portal vein.

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If type A blood were transfused into the bloodstream of someone with type B blood, the anti-A antibodies from the recipient would cause the agglutination of the type A blood. The antigens in the recipient would neutralize the antibodies from the donor.

In this case, the anti-A antibodies present in the recipient's type B blood would recognize the A antigens on the type A blood cells as foreign and trigger an immune response.

This immune response would lead to the agglutination (clumping) of the transfused type A blood cells, which can obstruct blood vessels and result in various complications, including organ damage and potentially even death.

Conversely, if type A blood were transfused into the bloodstream of someone with type B blood, the anti-B antibodies present in the recipient's blood would not react with the A antigens on the donor blood cells.

Therefore, there would be no immediate agglutination of the transfused type A blood cells caused by the recipient's antibodies. However, it is important to note that blood type compatibility should be strictly adhered to in transfusions to avoid potential complications and adverse reactions.

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The sequences represents chromosome number during fertilization of sperm and egg is n+n->2n and Sperm and egg are haploid, but fertilized egg is diploid.Thus, option A is correct.

During this crossing, the vegetative nucleus degenerates, while the reproductive nucleus (n chromosomes) divides into 2 male nuclei or spermatozoa, each with n chromosomes. These are the male gametes of flowering plants.

One of the spermatozoa unites with the oosphere and gives the zygote (at 2n). After this fertilization, the egg is transformed into seed while the ovary develops into fruit containing one or more seeds. The other parts of the gynoecium and the flower usually disappear.

The term pollination has been defined as the transfers pollen from one flower to another. Pollen containing sperm is transferred to the female flower parts and fertilization of an egg soon follows.

Therefore,The sequences represents chromosome number during fertilization of sperm and egg is n+n->2n and Sperm and egg are haploid, but fertilized egg is diploid.Thus, option A is correct.

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Answer:

Aythya affinis and Aythya marila

Explanation:

Well, I know you didn't give us the questions to pick from, But I think this is what you're looking for.

The types of natural selection in biology are: Stabilizing selection, Directional selection, Disruptive selection, and Sexual selection.

Natural selection is the process by which certain traits become more or less common in a population over time, based on how well those traits enable the individuals who possess them to survive and reproduce.

1. Stabilizing selection: This occurs when traits that fall within a certain range are favored, while those that deviate from that range are selected against. This leads to the stabilization of a trait within a population.

2. Directional selection: This occurs when a certain trait becomes more or less favorable, causing the population to shift in that direction. This leads to a change in the average value of a trait within a population.

3. Disruptive selection: This occurs when traits at both extremes of a range are favored over those in the middle. This can lead to the splitting of a population into two distinct subpopulations, each with their own favored trait.

4. Sexual selection: This occurs when certain traits are favored because they increase an individual's ability to attract a mate. This type of selection can lead to the evolution of exaggerated or flashy traits, like the colorful plumage of a peacock.

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Answer:

B. Air moves towards the poles as it cools

Explanation:

The image represent convection cell or Hadley cell is a natural phenomenon in the atmosphere that occur due to difference in the density within a body of liquid or gas. These differences in density causes rise and fall in currents.

The process in step A refers to when hot air moves up and in the step B, the hot air encounters a cold surface, it direct exchange the heat with cold surface and the air cools down and move towards the poles.

Hence, the correct answer is "B. Air moves towards the poles as it cools".

Answer:

Vesicles.

Explanation:

Transport vesicles are able to move molecules between locations inside the cell. For example, transport vesicles move proteins from the rough endoplasmic reticulum to the Golgi apparatus.

Ocean: Vast, mysterious, dynamic, diverse, powerful, interconnected, teeming with life, immense depths, rhythmic tides, vital for Earth's climate, home to countless species, a source of inspiration and awe.

The ocean is a vast body of salt water that covers over 70% of the Earth's surface. It is divided into five main basins: the Atlantic, Indian, Pacific, Southern, and Arctic. The ocean is home to a diverse array of marine life and ecosystems, including coral reefs, kelp forests, and deep-sea hydrothermal vents. It plays a crucial role in regulating the Earth's climate and weather patterns through ocean currents and the absorption of carbon dioxide. The ocean is also an important resource for human activities, including fishing, shipping, and tourism. However, it is facing many threats such as climate change, pollution, and overfishing, which are affecting both its health and the health of the planet as a whole.

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Answer:

Answer 5 i Don't know but i knkw the answers of 1 to 4..

The answers are

1.

C. temperature and salinity

2.

A. convection

3.

D. wind forces

4.

B. Surface currents are caused by the Coriolis effect; deepwater currents are caused by differences in water density.

True , Lactase breaks down lactose into the monosaccharides galactose and glucose

Lactose intolerance occurs when your small intestine doesn't produce enough of an enzyme (lactase) to digest milk sugar (lactose). Normally, lactase turns milk sugar into two simple sugars — glucose and galactose — which are absorbed into the bloodstream through the intestinal lining. If you're lactase deficient, lactose in your food moves into the colon instead of being processed and absorbed. In the colon, normal bacteria interact with undigested lactose, causing the signs and symptoms of lactose intolerance. Lactose digestion occurs in the small intestine with the help of the enzyme known as lactase. Lactase breaks down lactose into the monosaccharides galactose and glucose, which makes them available for absorption. Glucose ultimately gets taken up by our cells with the help of insulin. Galactose is transported to the liver, where it is turned into glucose for use in energy production.

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The usual NET production of ATP during bacterial fermentation when glucose is broken down by glycolysis is option D) 3 ATP.
When glucose is broken down by glycolysis during bacterial fermentation, the usual NET production of ATP

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The reason that many Russians classify themselves as nonreligious is that during the Soviet Union's existence, irreligion served as the official state policy and was strictly upheld.

A regulation enacted in 1997 distinguishes between "traditional" and "non-traditional" faiths in Russia when it comes to the freedom to practice religion. Islam, Judaism, Buddhism, and Christian Russian Orthodoxy are acknowledged as being native to the Russian people and are given unique rights.

With over half of all adherents, Russian Orthodoxy is currently the largest religious movement in the nation. The nonreligious still make up more than one-fourth of the population despite organized religion being suppressed by Soviet authorities for the majority of the 20th century.

Therefore, Christianity, notably Russian Orthodoxy, is the most frequently practiced religion in Russia, but there are sizable minorities of atheists and followers of other religions as well.

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The statement "Cartilaginous rings in the trachea are incomplete posteriorly to allow a food bolus traveling down the posterior esophagus to bulge anteriorly" is true.

The trachea has C-shaped cartilaginous rings that provide structural support and maintain its open shape during respiration. These rings are incomplete posteriorly, with a gap filled by the trachealis muscle and connective tissue.

This design allows flexibility for the trachea to expand and contract slightly during breathing, and also permits the adjacent esophagus to bulge anteriorly when a food bolus is traveling down it. The esophagus, located posterior to the trachea, is responsible for transporting food from the pharynx to the stomach.

When a food bolus passes through the esophagus, its muscular walls contract and push the bolus downward. The incomplete cartilaginous rings of the trachea provide space for the esophagus to expand as needed, ensuring efficient passage of food to the stomach.

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The correct answer is: a long and narrow head. Premature closure of the sagittal suture can result in a range of abnormalities in head shape, and can potentially lead to serious health complications.

The sagittal suture is a fibrous joint that allows the bones of the skull to move and grow during development. In a normal head, the sagittal suture remains open until around the age of two or three, at which point it begins to fuse together. If the sagittal suture closes prematurely, it can result in abnormal growth patterns in the skull, leading to abnormalities in head shape.

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Explanation:

During interphase, the cell grows (G1), replicates its DNA (S) and prepares for mitosis (G2). ... Interphase is the 'daily living' or metabolic phase of the cell, in which the cell obtains nutrients and metabolizes them, grows, replicates its DNA in preparation for mitosis, and conducts other "normal" cell functions.

Answer: X-rays

double helix

Wilkins and Franklin studied the structure of DNA using X-rays, a technique to examine molecules, and helped Watson and Crick determined that the shape of the molecule was a double helix.

Deoxyribonucleic acid is a polymer composed of two polynucleotide chains that coil around each other to form a double helix. The polymer carries genetic instructions for the development, functioning, growth and reproduction of all known organisms and many viruses.

DNA contains the instructions needed for an organism to develop, survive and reproduce. To carry out these functions, DNA sequences must be converted into messages that can be used to produce proteins.

DNA is essential for inheritance, coding for proteins, and providing instructions for life and its processes. DNA dictates how a human or animal develops and reproduces, and eventually dies.

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The term you are referring to is called "discriminative stimulus" (SD). It is a type of stimulus that signals the availability of reinforcement for a particular behavior. In other words, when the SD is present, it indicates to the organism that performing a specific behavior is likely to result in reinforcement.

A discriminative stimulus is a stimulus that has been consistently present when a behavior has been reinforced, and absent when the behavior has not been reinforced. As a result, the presence of the stimulus discriminates between the availability and unavailability of reinforcement for a particular behavior.

For example, in a laboratory setting, a rat might learn that pressing a lever results in a food reward only when a particular tone (SD) is present. In this case, the tone serves as a discriminative stimulus for the lever-pressing behavior.

When the tone is present, the rat is more likely to perform the lever-pressing behavior because it has learned that reinforcement is available. When the tone is absent, the rat is less likely to perform the lever-pressing behavior because it has learned that reinforcement is unavailable in the absence of the discriminative stimulus.

In summary, a discriminative stimulus is a type of stimulus that signals to an organism the differential availability of reinforcement for a particular behavior. Its presence or absence can evoke or suppress operant behavior, respectively.

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Answer:

Malnutrition can result in unplanned weight loss, a low body mass index (BMI) and vitamin and mineral deficiencies. This can leave you feeling tired, weak and affect your ability to recover from an illness. In the UK, evidence suggests that: 29% of people admitted to hospital are malnourished.

i also added my school notes :)

hope this helps :3

Answer:

Malnutrition can result in unplanned weight loss, a low body mass

Explanation:

no need

>:))ficiencies. This can leave you feeling tired, weak and affect your ability to recover from an illness. In the UK, evidence suggests that: 29% of people admitted to hospital are malnourished.

Answer:

Explanation:

I pretty sure its

B. You have 46 chromosomes in your somatic cells and 23 chromosomes in your gametes is not an accurate statement.

The correct statement is that you have 46 chromosomes in your somatic cells and 23 chromosomes in your gametes, which is a result of the process of meiosis that reduces the chromosome number in half during the formation of gametes. The other statements are accurate:

a. Gametes transmit genes from two parents to offspring because they are formed through the process of fertilization, in which two haploid gametes, one from each parent, combine to form a diploid zygote with a unique combination of genetic information.

c. Offspring differ from their parents because mutations can occur during the formation of gametes, which can result in new alleles and genetic variations that can be passed on to future generations.

d. Each gene has a specific locus on a chromosome, which refers to its physical location on a chromosome.

e. A clone of genetically identical offspring is produced in asexual reproduction, which is a type of reproduction that does not involve the fusion of gametes and results in offspring that are genetically identical to the pare.

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Occupations that produce "work" are:

The term is known to be a word that connote a person's normal or principal that they often use to work or in their business.

Note that it is often used a kind of a means that is often used in earning a living. It is also seen as a vocation.

Note that an occupation that works is one that often provide a lot of jobs for people.

In our society, the Occupations that produce "work" are:

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Hypothesis: There is a synchrony between the time the bus passes over the hill, the time the cat is positioned on the bench and the time I talk to the cat.

An experiment will be established to prove or deny this hypothesis. This experiment will try to answer if there is a synchrony between the bus, the cat and me.

First, I will write down the time I usually leave the house for the bus stop and then I will look for a schedule of the buses in my city, to evaluate the times when each one passes above the hill to which I refer.

It is necessary that I clock the time spent between my home and the bus stop to which I am going, so that I can relate to the bus schedule.

I must also install a camera system at the bus stop to observe the times the cat arrives at that location.

Every day, for a month, I will write down the time I left home, the time I arrived at the bus stop, the time the cat arrived at the bus stop and the time the bus passed. At the end of this period, I will do average calculations to find out how many times our schedules have been synchronized. Through these data I will conclude whether the hypothesis is false or true.

Answer:

correct

Explanation:

A mutualistic relationship is when two organisms of different species "work together," each benefiting from the relationship. One example of a mutualistic relationship is that of the oxpecker (a kind of bird) and the rhinoceros or zebra.

Answer:

D) Factories and Photosynthesis

The Overview:

Sustainability is described as to the ability to meet the needs of the present without compromising the ability of future generations to meet their own needs.

Ecological  Footprint:

The ecological footprint is described as  a measure of the impact that human activities have on the environment and s measured in terms of the amount of land and water required to produce the resources we consume and to absorb the waste we generate.

Resources:

The Renewable resources are those that can be replenished and replaced naturally over time, example is  solar energy, wind energy, and timber.

The Nonrenewable resources are those that cannot be replenished or replaced once they are used up  such as fossil fuels and minerals.

Renewable energy is  described as energy derived from natural sources that are replenished at a higher rate than they are consumed.

The Sunlight and wind are known example of such sources that are constantly being replenished.

In conclusion, renewable energy sources are plentiful and all around us.

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Before Mendel's time, the genetic hypothesis was based on the theory of blended inheritance.

This theory suggested that offspring inherited a blend of their parents' traits, which resulted in a gradual and continuous change in the population over time. According to this hypothesis, traits were controlled by particles called pangenes that were present in all parts of the body and were passed down to offspring through the bloodstream.

However, this hypothesis did not account for the observed patterns of inheritance, such as the reappearance of traits in later generations or the occurrence of rare traits. Therefore, Mendel's experiments with pea plants provided a new understanding of inheritance based on the principles of segregation and independent assortment.

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