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A group of amoebozoans are the closest living relatives of fungi & animals.

A lot of people think that fungus are plants. Fungi, on the other hand, are organisms that belong to their own order of life and are neither plant nor animals. They do not carry out photosynthesis like plants or consume their food like animals, which distinguishes them from other species in this regard.

Since they feed on decaying or decaying matter, most fungus are saprophytes. The accumulation of leaf litter or other trash on the ground is reduced as a result. The nutrients that the fungus has taken subsequently become available to other species that may consume fungi.

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Answer:

A at the top

I got this correct on my test

Answer:

Each zygote has its own combination of genes

Explanation:

Evolution is defined as  gradual change to the DNA of a species over many generations.

Palaeoanthropology is the scientific study of human evolution

Human evolution is the lengthy process of change by which people originated from apelike ancestors

It can occur by natural selection, when certain traits created by genetic mutations help an organism survive/reproduce. These mutations will pass onto next generation.  

On our recent study of DNA, we can see evidence that natural selection has recently made changes, so evolution will never stop.

There are several signs of human evolution-

1. The adaptation to the threat of infectious diseases and High prevalence of diseases like  sickle cell disease and thalassemias

2. Also. deviations from expected allele frequencies provide clues that genes have undergone selection.

Human activity has altered our atmosphere with time. Also,  humans now have the capability to take a direct hand in evolution of species it  includes with  artificial selection , animal and plant breeding, genetic engineering and genome editing etc.

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bacitracin is made naturally by the bacterium bacillus subtilis and is primarily only used to target skin infections caused by gram-positive bacteria. this type of chemotherapeutic drug would best be characterized as a narrow-spectrum antibiotic.

Antibiotics with a narrow spectrum are effective against a certain subset of bacterial species. They are only able to affect gramme +ve or gramme -ve, not both.

When the etiological organism is identified, special narrow-spectrum antibiotics are administered. They won't eradicate as many common microorganisms as broad-spectrum antibiotics do. They prevent the spread of illnesses with medication resistance because they only affect a small number of extremely particular bacteria.

antibiotics that are particular to one type of bacteria, such as those that only kill gram-positive or gram-negative bacteria.

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Africanized honey bees are Indirect threat.

Honey bees can thrive in herbal or domesticated environments, although they choose to stay in gardens, woodlands, orchards, meadows and different regions where flowering plant life are considerable. Inside their natural habitat, honey bees construct nests inside tree cavities and underneath edges of items to cover themselves from predators.

Bees feed on nectar and pollen amassed by means of foragers — older worker bees with beefy flight muscle tissues. Some foragers gather nectar, which they store in an elastic pouch in the gut called a “honey belly”; others gather pollen grains, packing them in “baskets” on their rear legs.

Queen honey bees stay on average 1–2 years whereas employees stay on average 15–38 days within the summer and one hundred fifty–two hundred days in the iciness.

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Answer:

The plant cell wall is made up of cellulose but that of the yeast is a fungi and its cell wall is made up of chitin

Answer:

Yeast cells lack chloroplasts.

Explanation:

As heterotrophs, yeasts. They cannot make their own food through photosynthesis. Chloroplasts are absent in yeast cells.

____________________

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To access the insertion of serrated anterior by curling fingers around the medial border of the scapula, your fingers will have to work through the bellies of : trapezius and rhomboids.

The rhomboids consists of two separate muscles that are the major and minor muscles which are present immediately deep to the trapezius. It inserts at  medial border of scapula, near the base of the spine of the scapula.

Middle trapezius and rhomboids are the two major scapular retractors but these two muscles vary in their actions. The middle fibers of the trapezius functions as pure scapular retractors while the rhomboids acts to retract  scapula and also rotate it to depress the glenoid fossa.

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Significant damage to reticular formation of the brain will most likely cause a person to fall into a deep coma from which the person will be unable to awaken.

The reticular formation, a long, slender network of neurons, runs through the medulla and the pons. The reticular formation is crucial for walking, eating, having sex, and sleeping. When an animal's reticular formation is electrically stimulated, it awakens instantly, and when the reticular formation is cut off from higher brain regions, the animal enters a deep coma.

The reticular formation's function is to transport the remaining impulses to different parts of the brain while filtering some of the stimuli entering the brain via the spinal cord. The medulla, the pons, the thalamus, and the reticular formation are all parts of the brain stem, which is an extension of the spinal cord.

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By laying eggs to reproduce, sea turtles are considered to be Oviparous.

An oviparous creature is one that produces eggs, and the youthful hatch after being ousted from the body. Whereas fertilization of the egg can happen inside or remotely, oviparous creatures continuously hatch the youthful outside of their body. Numerous creatures of land and water, winged creatures, fish, and reptiles are oviparous and regularly make homes to secure their eggs. This could be differentiated from ovoviviparous creatures, which hatch eggs interior of their bodies, at that point remove live young. This will be seen in a few sharks, snakes, and other animals. Being oviparous is a developmental procedure for generations. In this strategy, one or numerous eggs can be delivered. Each egg could be a gamete that has the female’s commitment to the hereditary material. In numerous species, the male supplies his gamete in the shape of sperm, which must discover its way to the egg. Once fertilized, the cells inside the egg will start to subdivide as a fetus is shaped

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Most scientists (66%) agree that evolution is a valid theory, while the majority of nonscientists think the theory adequately captures the natural world.

Evolutionary psychology investigates our shared characteristics as people. Utilizing the ideas of natural selection, it focuses in particular on how behavior and the mind have evolved. More likely to be handed on are traits that help with reproduction and survival.

What statement about Darwin's theory of natural selection is accurate? The possibilities of a species surviving are eliminated by genetic mutations.

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Enzymes are protein structures that will have the function of catalyzing chemical reactions, that is, they make these chemical reactions faster.

Chemical reactions can be carried out without the need for these enzymes, but they will not be carried out with the same speed, but will take much longer. In our body the function of enzymes is very important as it helps us maintain a good metabolism within the cell. Almost all biochemical reactions in our body need these reactions so that the rate of formation of substrates to products is correct.

As for their structure, being proteins, they will acquire a three-dimensional conformation which collaborates with their functioning. One of its characteristics is that it has a specific site called the active center in which the substrates are going to join so that they are catalyzed.

Therefore, we can confirm that enzymes are protein structures that will have the function of catalyzing chemical reactions, that is, they make these chemical reactions faster.

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In the arctic region, the arctic fox and the ptarmigan both grow a snowy white coat during the winter for camouflage these similar phenotypes are an example of analogous structures.

The proof of the Convergent Evolutionary relationship among the species is provided by Analogous Structure. Convergent evolution played a role in the development of the species' common features. These are the architectural forms that serve similar purposes. However, these structures are not comparable anatomically. This indicates that their anatomical structures are distinct.

We can use the difference between a bat and a butterfly as an illustration. Both a bat's and a butterfly's wings serve the same purpose. They assist in flying them. Thus, the purpose remains the same. However, the anatomical makeup is different. Bones and skin are used in the development of Wings of Bat. However, the butterfly's wings are made entirely of different materials.

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Does not have hemophilia based on the pedigree describes John.

Option C is correct.

Given that males have only one X chromosome, hemophilia is a hereditary condition that runs in the X-linked recessive family. Because of the corresponding X chromosome, females are typically carriers, but heterozygous carriers frequently exhibit hemophilia symptoms.

The X chromosome houses the faulty gene that causes hemophilia. Males possess one X and one Y chromosome. As there is no protective X to produce factor VIII or IX in a male, the presence of the faulty gene causes a deficiency or absence of factor VIII or factor IX.

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The rapid depolarization phase of the action potentials of myocardial contractile cells is due to Na⁺ ion.

The depolarization is caused when Na⁺ ions rapidly enters into neuron through open sodium channels. Sodium ions plays important role in various physiological process such as regulating blood volume, ph regulation,  maintaining blood pressure, energy metabolism,osmotic equilibrium, excitation-contraction coupling, maintenance of cellular homeostasis, development and growth.

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Answer:

During mid-pregnancy, the brain increases about six times in size and develops many new neurons in a process called

neurogenesis

Explanation:

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Species richness (S) is the number of species within a defined region. It's merely a numerical characteristic of an ecosystem. The species richness of a region is obtained through sampling or via a census.

Because a region is defined by the observer, species richness has been further categorized into three components to account for changes in spatial scale. They are Alpha diversity, Beta diversity and Gamma diversity.

One important thing to keep in mind is the difference between species richness and species diversity. Several factors affect small-scale species richness, including geographic factors such as the regional species pool, dispersal distance and ease of dispersal, biological factors such as competition, facilitation, and predation as well as environmental factors such as resource availability etc.

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Cats knowledge is tested via the objects showing to the cats if they look for it or not.

A cat's behavior is exactly to that of 2 years old toddler.

To test a cat's intelligence, show a cat a toy and hide the object  behind something. In case if the  cat tries to find the toy behind the object then the cat  may have above-average intelligence. A try can be done on this as well that we can also try placing a container of your cat's food or treats next to its food bowl.

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The role of Living Organisms is to convert the dead and decaying matter to ammonia(NH₃) in the nitrogen cycle.

Plants require nitrogen to make proteins DNA, RNA, ATP, etc. The nitrogen cycle is a process in which plants convert nitrogen into nitrates. This can be done by volcanic action, lightning, industrial activity, and by some bacteria.

These bacteria are the living organisms that use the plant as a carbohydrate source of energy and shelter and in turn, the plant uses the nitrate the bacteria produces for nitrogen fixation.  The nitrates are then converted into plant and animal proteins, DNA and RNA.

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Answer:  zebrafish

Explanation:

Since the 1960s, the zebrafish  has become increasingly important to scientific research. It has many characteristics that make it a valuable model for studying human genetics and disease.

A posterior communicating artery connects the ipsilateral internal carotid artery to the two posterior cerebral arteries, which were created by dividing the basilar artery.

A member of the cerebral vascular circle of Willis is the posterior communicating artery (PComm), a branch of the internal carotid artery. The internal carotid and the posterior cerebral arteries are linked by the posterior communicating artery, uniting the anterior and posterior cerebral circulations.

At the back of your brain lies a blood vessel called the basilar artery. It nourishes your brain and central nervous system with oxygen-rich blood. The primary artery that supplies blood to the back of your brain is called the basilar.

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Scientists make definite assumptions to maximize this aim of understanding natural world. It is presumed by scientists that:

A.       Through a organised study, nature can be understood.

B.       Revisions are something that scientific thoughts are open to.

C.       The test of time is something that shows scientific ideas withstand to.

Laws of nature are explained as scientific laws.

Nature is thought by scientists as a single system that is handled by natural laws. Scientists tries to extend their understanding of the natural world by discovering natural laws. Scientific laws are the result of laws of nature.

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All of above option is correct .

In order for the reactants to convert to the products, a minimum amount of energy is required activation energy.

Enzymes are biological catalyst that catalyze a chemical reaction .Catalysts lower the activation energy for reactions. When the activation energy is lowered the the reaction rate becomes faster. Hence , enzyme speeds the reaction by lowering the activation energy .

In the process of chemical reaction, the reactants bind to the active site of the enzyme, that forms an enzyme-substrate complex, this complex has  lower activation energy than the substrate.

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A wound in which the epidermis is scraped away with minimal bleeding, such as commonly occurs when a child falls on his knees on a sidewalk, is called a(n): abrasion.

Abrasion is a wear that occurs on the skin due to frictional friction. A slight injury occurs that can cause a small bleeding or secretion in the injury. It is not a serious type of wound, it is something very superficial and minimal that can be treated with certain care.

Therefore, we can confirm that the correct option is: abrasion.

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A wound in which the epidermis is scraped away with minimal bleeding, such as commonly occurs when a child falls on his knees on a sidewalk, is called a(n):

Abrasion.

Contusion.

Avulsion.

Evisceration.

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Most ribosomal protein (r-protein) synthesis in Escherichia coli is coordinated with rRNA synthesis via a translational feedback mechanism: when r-protein levels exceed rRNA levels, particular r-proteins bind to their own mRNAs and prevent operon expression.

Ribosomal subunits form a sandwich-like structure on the strand of mRNA during translation, where they then draw in tRNA molecules bound to amino acids. The ribosome converts the decoded mRNA sequence into a polypeptide, or new protein, which is composed of a lengthy chain of amino acids.

More than a hundred genes in Escherichia coli are controlled by the flexible transcriptional regulator known as the cAMP receptor protein, also referred to as the catabolite activator protein.

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The interlobar arteries are the first places where blood enters after leaving the renal artery.

Afferent arterioles flow into the interlobular arteries that feed into the glomeruli through each arcuate artery. The blood passes through a tiny network of venules that converge into interlobular veins once filtering has taken place.

Interlobar vessels allow arcuate veins to exit the renal parenchyma and converge into four to six trunks close to the kidney's hilum (Fig. 64.2). The primary renal veins discharge into the inferior vena cava; the left renal vein is three times longer than the right (7.5 cm versus 2.5 cm).

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The following characteristics of the structure of DNA were determined directly from x-ray diffraction photographs of crystallized DNA is the double helical structure.

Early X-ray diffraction results showed that DNA is composed of two strands of helically twisted polymers. The observation that DNA is double-stranded is significant and provided one of the key clues leading to the Watson-Crick structure of DNA.

Fiber diffraction is a method for determining molecular structural information from X-ray scattering data. Rosalind Franklin used this technique to discover structural information in his DNA. In this experiment, the fiber is placed perpendicular to the trajectory of her X-ray beam. Rosalind Franklin's X-ray diffraction pattern of the DNA molecule provided important evidence that DNA has a double-helical structure.

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The technological advancement that might help Australia overcome its drought problem would be "Catchments for water would slow climate change".

A protracted deficit in a region's water supply is referred to as a drought. Lack of air, surface, or groundwater causes droughts. Therefore, water catchments could help slow climate change" would be the technical advancement that could assist in resolving an environmental problem that is projected to endanger Australia inside the future based on existing climatic trends.

Therefore, the correct answer will be option (B).

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During the refractory period, the cell responds to even weak stimuli.

Option B is correct.

The time period immediately following an orgasm during which a person is not sexually responsive is known as the refractory period. Both mental and physical repercussions may result from the refractory phase. A person may become uninterested in or incapable of having intercourse during the refractory period.

An essential component of neural signaling is the pace of generation of action potentials, which is constrained by the refractory period. The refractory period also makes it easier for the action potential to go in a single direction along the axon.

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