staphylococcus species are resident human microflora. if you wanted to culture staphylococcus where should you swab?

Hexokinase would cause a decrease in the rate of glucose diffusion into the cell in an actively contracting skeletal muscle cell.

Hexokinase is a glycolytic enzyme that is able to decrease the rate of glucose diffusion into the cell because catalyzes the generation of glucose 6 phosphate from glucose, and therefore it decreases its level in the cell.

Therefore, with this data, we can see that the rate of glucose diffusion into the cell can be influenced by the Hexokinase enzyme which uses glucose to generate glucose 6 phosphate.

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Dr. Losey needs to collect data on how long larvae live on milweed plants near and far from Bt corn fields.

The monarch butterfly is one of the most well-known and researched butterflies on the planet. It has orange wings that are laced with black lines and surrounded by white dots. Millions of monarch butterflies migrate from the United States and Canada south to California and Mexico for the winter. Biotechnology has been used to improve Bt corn's resistance to insect pests. Its insect protection is provided by a naturally occurring microorganism known as Bacillus thuringiensis, or "Bt." The protein produced by Bt corn targets caterpillars of the order Lepidoptera.

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Rods are responsible for eyesight in . In addition to having poor spatial acuity, they do not mediate colour vision.

Rods are responsible for eyesight in . In addition to having poor spatial acuity, they do not mediate colour vision. Cones are involved in high spatial acuity, colour vision, and activity at higher light levels (photopic vision).

Without any indication of action potentials, rods and cones hyperpolarize in response to light. As it turns out, rod and cone synapses release neurotransmitters in a manner similar to that of any other cell.

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The earliest evidence of hominins in south africa was described by (b) Raymond Dart. So option (b) is the correct answer.

Hominins - the group consisting of modern humans, extinct humans, and our immediate ancestors (including members of the genera Homo, Australopithecus, Paranthropus, and Ardipithecus).

Some traits that distinguish hominins from other living and extinct primates are behavioral traits such as upright posture, bipedal locomotion, large brains, specialized tool use and, in some cases, verbal communication. It's a feature.

The hominin own circle of relatives tree has deep roots in Africa. The oldest fossil of the genus Homo ever discovered is a 2.8 million-year-old jaw fragment of his found in East Africa. Our species, Homo sapiens, first appeared fairly high in trees and branched out at least 260,000 years ago.

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This organism is probably Autotroph.

Autotrophs include algae, plants, and certain bacteria and fungus. Autotrophs are the food chain's producers, which means they generate their own nutrition and energy. Kelp, like most autotrophs, generates energy by a process known as photosynthesis.

Autotrophs are referred to as producers since they can manufacture their own nourishment from basic ingredients and energy. Plants, algae, and also some microbes are examples. Consumers are heterotrophs because either consume producers and other consumers. Heterotrophs include dogs, animals, fish, and humans.

Not all plants are autotrophic. Some non-green plants, such as dodder plants, get their sustenance from other seedlings and are hence heterotrophic. Heterophic plants lack chlorophyll, which limits their capacity to manufacture their own nourishment.

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Gravitational lens can occur when a huge amount of matter, like a cluster of galaxies, creates a gravitational field that distorts the light from distant galaxies.

Gravitational lensing is a powerful tool that affects the clustering components in the universe by effecting gravitational field on light from background sources.

When the light from other galaxies passes by massive objects in the universe, the gravitational pull from these objects can distort or bend the light. The gravity of the massive focal point were galaxy is acting like a magnifying glass as it traps light and this effect called gravitational lensing.

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SER is mainly involved in lipid formation and it doesn’t have ribosomes on its surface whereas RER forms proteins and its surface has ribsomes on it

The main function of smooth endoplasmic reticulum is formation and packaging and metabolism of lipid, fat molecules, steroid hormone and it is also involved in detoxification. The main function of is manufacture and packaging of protein molecule. Main difference – SER surface appears smooth as it is void of any ribosomal structure on it and RER has numerous ribosome molecules on it giving it rough appearance.

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The types of fluid for the places mentioned include the following below:

1. Home - Oil, water

2. School/work - Liquid soap, Oxygen.

3. Outdoors - Oxygen, water

This is referred to as a substance or compound and is usually in the form of liquid or gas. It has the ability to continually flow when it is subjected to shear stress or external force.

There are various types of fluids which have their individual properties which is based on their structure and atoms such as oil which is used in the home for cooking various types of food substances.

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Answer:

Home: Cooking Oil is used to cook a variety of vegetables/ foods, Water is a basic need to live and we drink it everywhere including our homes.

School: Liquid soap is used for clean windows, floors and sometimes ourselves, Oxygen is also a basic need just like water to live but for breathing.

Outdoors: Engine Oil is a liquid and used to repair cars and Gas is a fuel used to run cars and vehicles

Most stray cats are short haired cats because according to the American Humane Society, roughly 95% of all cats are short hair cats.

The cat is a domestic species of small carnivorous mammal which is the only domesticated species in the family Felidae and is commonly referred to as the domestic cat or house cat to distinguish it from the wild members of the family.

So most cats have shorts hairs and doesn't just apply to stray cats. Research claims that some people claim that long hair cats are more expensive and rare, so the owner is likely to take better care of them and keep them indoors.

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The most likely mode of inheritance is x-linked inheritance as only the mother is affected.

The genotype of the individual marked with a star is XDXd.

When analyzing a family, autosomal dominant inheritance can be recognized by the vertical transmission of the trait—from parent to child.

There's a subtlety in overwhelming inheritance—formally a characteristic is called autosomal dominant as it were when the phenotype of the heterozygote is the same as the homozygous variant.

It isn't as a rule conceivable to run the show out of an autosomal legacy to affirm X-linkage. In any case, certain designs unequivocally recommend X-linkage.

This is often because all male siblings would acquire the latent allele from their mother (and be XY) whereas all female descendants would acquire the overwhelming allele from their father (and be XDXd).

For illustration, a family where a male parent without the characteristic (XDY) and a female parent communicating the characteristic (XdXd) with 100% male expression and 0% female expression infers X-linkage.

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Although part of your question is missing, you might be referring to this full question:

For each of the following pedigrees, determine i) the most likely mode of inheritance (recessive or dominant, x-linked, y-linked, or autosomal) ii) the genotype of the individual marked with a star assume that individuals marrying into the family do not have the defective allele. explain your reasoning. clearly define any symbols that you use.

Living organisms do not obey the second law of thermodynamics which states that an organism's entropy increases with each conversion of energy.

Organisms maintain order when the environment changes, and they become less ordered according to the second law of thermodynamics. These events actually work in concert when living organisms create ordered biological structures by increasing local entropy. Living organisms can gain or lose energy from the external environment.

Therefore, organisms are open systems. Since organisms are not closed systems, this does not affect the second law of thermodynamics. According to the second law of thermodynamics, all processes must cause a net increase in the entropy of the universe. It is true that entropy decreases and order increases as an organism grows. However, they release heat into the environment, increasing the entropy of the universe.

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If the nerve endings of a mammalian heart were severed, the muscles of the heart would not stop contracting, but their rate of concentration changes.

How are nerves supplied to the heart?

The heart’s nervous supply is autonomic. It has parasympathetic and sympathetic parts both.

Sympathetic system: It acts on the sinoatrial node, dashing up the change rate, and thereby the heart rate increases.

Parasympathetic system: It works in reverse, which slows down the heart rate. The heart contains a natural pacemaker (sinoatrial node) which is why a nervous supply is not required. If the nerves to the heart are severed, then it'll still beat. As a matter of fact, it will beat quicker than normal, since there's commonly a parasympathetic supply that is slowing the heart down.

Therefore, even if all nerves are severed from the heart, it will still continue to beat, only much faster.

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The number of snails and birds decrease in the given food chain.

Food chain refers to the order of events in an ecosystem, where one living organism feeds another organism, and after that organism is consumed by another organism in higher tropic level.

The food chain always begins with producers who make food, proceeds  with other consumers who eat the food and at the comes the topmost predator. In ecology food chain is considered as the series of events that transfer energy and food from one organism to another and is necessary for survival of the organisms .

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The volume of a stroke and the heart rate. From of the adrenal gland, dopamine & adrenaline.

Brain activity is lost when brain cells are destroyed. It's possible that you won't be able to perform tasks that require that section of your brain. For instance, a stroke may impair your capacity to move, communicate, eat, think, and recall, as well as your capacity to control your bowel & bladder, emotions, and other essential bodily processes.

Stress can increase blood pressure, raise blood sugar and fat levels, and make the heart work harder. Due to these factors, there is a higher chance that clots will develop, spread to the heart and brain, and result in a stroke or a stroke.

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Answer:

In the natural world, limiting factors like the availability of food, water, shelter and space can change animal and plant populations. Other limiting factors, like competition for resources, predation and disease can also impact populations.

Explanation:

After one year, 40% of the species that were present in the vast area had disappeared from the tiny sections.

Isolation might include spending a lot of time alone at home, not having access to resources or participating in the community, and having little to no contact with friends, family, & acquaintances.

Based on how the disease spreads, these unique transmission-based precautions often fall under one of three categories of isolation. The three common types of transmission-based precautions are interface separation, droplets isolation, & airborne isolation, according to the CDC.

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Measure population numbers over time in different areas to determine how population size may be changing in response to human development.

What are the five major causes of extinction?

Causes of Extinction. Habitat Loss; Overexploitation; Introduced Species; Global Pollution and Climate Change are all factors contributing to the extinction of species. Learn more about each of these and other causes of extinction. HABITAT LOSS: The most common cause of endangerment is habitat loss.

What was the cause of the pterodactyls extinction?

“There is broad agreement that the cause of the dinosaur and pterosaur extinctions were one and the same,” University of Texas, Austin paleontologist Brian Andres says. The aftermath of the asteroid impact is the large scale reason for both.

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According to the trichromatic theory of color vision, when we  view a yellow light L cones (blue and green) in our retina will begin to fire at high rates.

As an alternative, the L and M cones locate basically all wavelengths of seen mild, and excessive L and M cone responses each making contributions to growing a yellow color sign all through the center and long wavelength components of the spectrum.

The trichromatic concept of shade vision, first discussed by means of younger and Helnotz, postulates that there are 3 one of a kind retinal cones in the attention which might be touchy to blue, inexperienced, and purple, respectively. These findings suggest that L cones signal reddish orange, M cones signal greenish blue, and S cones sign bluish pink.

The trichromatic concept of color imaginative and prescient turned into created with the aid of younger and Helmnotz and is a theory of color vision that assumes that there are handiest 3 forms of cones, each most effectively activated with the aid of wavelength stages of mild corresponding roughly to blue, inexperienced, and pink.

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The most crucial function of progesterone is preparing your uterus to receive, implant, and sustain a fertilized egg during pregnancy.

Progesterone gets the endometrium ready for the possibility of getting pregnant following ovulation .The lining becomes thicker as a result, getting ready for a fertilized egg. Additionally, it stops the uterine muscles from contracting in a way that would make the body reject an egg.

A key player in maintaining pregnancy, getting the body ready for conception, and controlling the monthly menstrual cycle, progesterone is a hormone that activates and controls vital processes.

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The fast sodium channel triggers the rapid depolarization phase of the autorhythmic cell action potential.

Rapid sodium influx causes depolarization and reversal of the membrane potential inside the cell from negative to positive. Depolarization is an all-or-nothing event in neurons that is initiated by the opening of sodium ion channels within the plasma membrane. Repolarization, the subsequent return to resting potential, is mediated by the opening of potassium ion channels.

Autorhythmic cells lack a resting membrane potential, which drifts and changes as a result of ionic movement. Hyperpolarisation causes voltage-gated sodium channels known as funny channels to open, allowing [tex]Na^{+}[/tex]Na+ into the cell.

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Answer:

yes barley

Explanation:

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A terrestrial ecosystem is a community of organisms and their environment that occurs only on land masses, such as continents or islands.

In addition, there are six primary terrestrial ecosystems that are:

shrublandsdesert.

Terrestrial ecosystems are distinguished by their low water availability and the consequent importance of water as a limiting factor, as opposed to aquatic ecosystems. Terrestrial ecosystems are characterized by wider temperature fluctuations, both daily and seasonal, compared to aquatic ecosystems of similar climates.

Answer:

that would be false

Explanation:

In fact, when the cell needs energy for respiration it converts starch, the storage form of glucose, back into the reactive form of glucose to produce energy ATP

The Giant Water Lilies, the Rafflesia and the Nepenthes are some rare and unique plants found in the temperate rainforests.

What are these rare/ unique plants?

The great water lilies also known as the Victorian Amazonica is a type of water lily native to the rainforests of the Amazon Basin in South America. Victoria amazonica is one of the largest and most beautiful plants in the world and can reach up to 3 meters in diameter. The flowers are white with pink stripes and are about 1 meter in diameter. It is also known as ‘Queen of the Night’ as it only blooms at night and stays only for about 48 hours.

Rafflesia, also known as Corpse Flower is a flower of the parasitic plant. It contains no stems or leaves to produce food, instead growing from the vine it feeds on. This is the largest flower in the world, around three feet wide. Its survival depends on deception. It mimics a mammalian corpse, from its texture and color to its odor of rotting flesh. It is found in the rainforests of Southeast Asia, especially in Indonesia, Malaysia, Thailand and Vietnam.

Nepenthes also known as Monkey Cups, are pitcher plants, found mostly in tropical environments of the world. It is a carnivorous plant and eats small animals for nutrients, by luring them into its pitcher shaped trap by using its sweet nectar.

Other rare plants found in temperate forests are the Jabuticaba Tree, the Durian Fruit, Balsa Tree, passion flower, etc.

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Answer:

16 protons and 16 neutrons

Answer:

Option C

Explanation:

It made sense because he ate the raw-ish chicken.

Suspension for inoculation of the bacteria to be tested is prepared in saline or Mueller–Hinton broth to the turbidity of a 1.5 x 108 cells/ml McFarland standard.

McFarland standards gives the reference to adjust the turbidity of bacterial suspensions so that the number of bacteria will be within the certain parameter. approximately a culture density should be around 1.5 x 108 cells/ml according to McFarland standards  .

McFarland Standards are used to standardize the approximate number of bacteria in a liquid suspension by comparing the turbidity of the test. McFarland Standard contains a chemical solution of barium chloride and sulfuric acid.

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Challenge that a species face when they are reintroduced to their previous native range is:  single event catastrophes. Challenge they face when released outside of the native range is:  preying on native species.

Although, species are bred successfully in captivity and even if they learn to survive in the wild on its own then also there is the concern that a single event such as a hurricane, drought or disease could decimate the  reintroduced population.

The goal of species reintroduction is to establish a healthy and genetically diverse population to an area where it has been extirpated.

The direct threats of invasive species is preying on native species , outcompeting native species for food, causing disease and preventing native species from reproducing or killing a native species' young.

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If heterozygous round plant is crossed with a homozygous round plant, then it will produce 2400 plant from which 1200 plants were pure round i.e., homozygous (RR).

Inheritance is the transfer of characters from the parent generation to the offspring. It takes place through the DNA which contains chromosomes and genes. The genes are responsible for the development of various characteristics in the daughter generation.

According to Mendel's genetics, for each character or gene a pair of contrasting alleles which code for different phenotype is present.

Here, a heterozygous round plant (with two different alleles) is crossed with a homozygous round plant, which results into the production of 2400 plants in the F1 generation.

Therefore, the total number of plants which are pure round can be calculated by Punnett square.

Pure round plants are the plants which are homozygous (RR) and pure wrinkled plants are (rr).

Therefore, the number of plants which are pure red = 1/2 of the total plants or 50% of the total plants.

Thus, number of pure round plants = 1/2 × 2400

Number of pure round plants = 1200

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The most likely outcome if the mountain lion population vanishes The trout population will decrease.

A mountain is an extended part of the Earth's crust, normally with steep facets that show good sized exposed bedrock. Even though definitions vary, a mountain might also fluctuate from a plateau in having a confined summit area, and is typically higher than a hill, usually rising at the least three hundred metres above the encompassing land.

Forms of mountains: There are 5 primary kinds of mountains: volcanic, fold, plateau, fault-block and dome. A more distinctive classification beneficial on a nearby scale predates plate tectonics and adds to these classes.

They usually have steep, sloping facets and sharp or rounded ridges, and a high factor, known as a top or summit. Most geologists classify a mountain as a landform that rises at least 1,000 ft (three hundred meters) or greater above its surrounding place. A mountain variety is a sequence or chain of mountains which are close collectively.

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