Answer:
Prokaryotic genomic DNA is attached to the plasma membrane in the form of a nucleoid, in contrast to eukaryotic DNA, which is located in a nucleus.
Explanation:
All life shares dna as the hereditary material. from an evolutionary perspective, why do you think this is the case?
All life is a result of a common ancestor that passed on both its genes and the means for employing them to its offspring. Therefore, DNA is crucial for the study of evolution.
The degree of genetic variation between two species indicates how different they are from one another and, in turn, how intimately or related in some way they are. The average genetic difference between individuals in modern humans is quite small—about 0.1%—whereas research on the chimpanzee genome's similar regions shows a difference of roughly 1.2%. A close relative of chimpanzee (Pan troglodytes), the bonobo (Pan paniscus) differs from humans in the same ways. Another African ape, gorillas, share a 1.6% DNA difference with humans. Most crucially, all three species—chimpanzees, bonobos, and humans—display the same degree of differentiation from gorillas. The orangutan, an Asian giant ape, is 3.1% different from us and the African apes. What are the monkeys like? For instance, the DNA of all great apes and humans differs from that of rhesus monkeys by around 7%. Geneticists have developed a number of methods for estimating the percentages, which produce a range of results regarding the degree of similarity between chimps and humans. For instance, only changes in the fundamental components of the genes that chimpanzees and humans share are measured when determining the 1.2% chimp-human difference.
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The bacteria in a petri dish increases according to continuous exponential growth model, with a growth rate of 1.2% per hour. How much bacteria will you have after 24 hours from an initial sample of 2000 bacteria?
The number of bacteria growth after 24 hours is determined as 2,663 bacteria.
Number of bacteria after 1 hourThe number of bacteria growth after 1 hour can be calculated using the rate equation.
N(t) = N₀(1 + r)^t
where;
r is the rate = 1.2% = 0.012t is time = 24 hoursN₀ is the initial numberN(24) = 2000(1 + 0.012)^24
N(24) = 2,663 bacteria
Thus, the number of bacteria growth after 24 hours is determined as 2,663 bacteria.
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When a client who has seemed cheerful after a diagnosis of lung cancer and pneumonectomy becomes withdrawn after being discharged home, which action by the home health nurse will be best?
When a client who has seemed cheerful after a diagnosis of lung cancer and pneumonectomy becomes withdrawn after being discharged home, lungs care action by the home health nurse will be the best for this case.
One type of cancer that starts in the lungs is lung cancer. Your lungs are two pliable organs located in your chest that allow you to breathe in oxygen and exhaust carbon dioxide.
The largest cause of cancer-related fatalities worldwide is lung cancer.
Lung cancer can affect persons who have never smoked, but smokers are at a higher risk than nonsmokers. The quantity and frequency of cigarettes you've smoked are related to your chance of developing lung cancer. Even after years of smoking, you can greatly lower your risk of developing lung cancer by quitting.
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A 1,200-kcalorie diet that is 15 percent protein supplies how many grams of protein?
A 1,200-kcalorie diet that is 15 percent protein supplies 180 kcalorie.
Formula to calculate the 15% protein supply,
[tex]\frac{1200 x 15}{100}[/tex] = 180 kcalorieProtein- Large, intricate molecules known as proteins serve a variety of vital functions in the body. They are crucial for the construction, operation, and control of a body's organs and tissues and carry out the majority of their job inside cells.
Tissue- Between cells and an entire organ, there is a biological organizing level called tissue. A tissue is a group of comparable cells from the same origin, along with their extracellular matrix, that work together to perform a single function. Then, various tissues are functionally grouped together to form organs.
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is table salt a compound? how can you tell?
Answer: Salt is an ionic compound, consisting of a crystal, lattice structure of the two ions Na+ and Cl-. Salt water is full of sodium chloride molecules.
Explanation:
hope this helps
Answer:
Chemically, table salt consists of two elements, sodium (Na) and chloride (Cl). Neither element occurs separately and free in nature, but are found bound together as the compound sodium chloride.
HOPE IT'S HELPS YOUWhat type of microscope passes light through a transparent specimen to generate true-color views of cells?
A light microscope passes light through a transparent specimen.
What is a light microscope?
An optical device called a light microscope is used to observe objects that are too small for the human eye to see. It gets its name from the method of illuminating an object of interest with white or visible light so that it may be amplified and seen via one or more lenses.
By presenting a magnified image of how minute structures and samples interact with visible light, such as their absorption, reflection, and scattering, light microscopy is used to make them visible.
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Temporary storage sites in the cytosol for substances such as pigments or nutrients are called?
Temporary storage sites in the cytosol for substances such as pigments or nutrients are called inclusions.
Pigments are the compounds that have a certain color and provide color to other structures indie the body. For example in plants chlorophyll is the pigment that provides green color to the leaves and stem. In humans and other animals, the blood consists f red colored pigment called hemoglobin.
Inclusions are the non-living objects inside the cell. They can be anything like pigments or any other molecules, that performs no function inside the cell. They are also called ergastic substances and do not even have any membrane.
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Which term is used to describe the histologic characterization of tumor cells?
a. staging
b. grading
c. cachexia
d. angiogenesis
Grading is essentially a determination of the level of anaplasia and refers to the histologic characterisation of tumour cells.
What exactly is a cell tumour?a mass of tissue that develops abnormally when cells do not die on schedule or expand and divide more often than they should. Cancer-free tumours might be benign or malignant (cancer). Although benign tumours can become enormous, they do not penetrate or spread to surrounding tissues or to other areas of the body.What two varieties of tumour cells are there?There are two types of tumours: benign (noncancerous) and malignant (cancerous). Typically, benign tumours only develop in one location and do not spread. Invading other parts of the body after developing in one location, malignant tumours
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The nurse notices that a child is spitting up small amounts of blood in the immediate postoperative period after a tonsillectomy. what would be the best intervention?
The best nursing intervention to give to a child noticed with spitting up small amounts of blood in the immediate postoperative period after a tonsillectomy is to continue to assess the site where tonsillectomy is done for bleeding
Before anything else can be done, the first and foremost step a health care professional can do to help such child is be sure and keep assessing the child for bleeding as it is possible that blood may have been mixed with the saliva in the mouth.
TonsillectomyTonsillectomy is one of the health care measures given to patients with health problem concerning infections of the tonsils. When this health problem arise as a result of infection, the surgical removal of the tonsils is one of the best ways to improve the condition.
So therefore, the best nursing intervention to give to a child noticed spitting up small amounts of blood in the immediate postoperative period after a tonsillectomy is to continue to assess the site where tonsillectomy is done for bleeding.
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Question 4: Switch on your light source. Make sure it is shining onto a wall. Hold your largest clear plastic square between the light source and the wall. 4.1. 4.2. 4.3. What do you observe? Now do the same with the second clear plastic square. B What do you observe? Now do the same with the third clear plastic square. What do you observe? 4.4. What differences do you observe between the shadows of the three shapes?
Rays of light can travel through the cardboard when I hold my largest cardboard square between the light source and the wall, but because the cardboard is not very thick, the light can still pass through and create a shadow.
2b. The shadow is typically shorter.
2c. Completely no shadow 2d. The shadow is either clear or hardly there.
Do cardboard sheets block light?
Based on the precise materials and light sources that were employed, the results of the cardboard experiment frequently differ.
Keep in mind that it is generally expected that reflective materials, such as aluminum foil, and mirrors, would reflect the specified or given light.
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Answer:need answers
Explanation:for project
Human beings tend to react to natural disasters by becoming more inward-looking, concerned only with their own well-being. True or false:
The answer is true. Numerous human activities such as overcrowding, pollution, the burning of fossil fuels, and deforestation have an adverse effect on the physical environment. Climate change, soil erosion, poor air quality, and undrinkable water have all been brought on by changes like these.
What impact do natural disasters have on both people and the environment?Natural catastrophes result in property devastation, financial resource loss, and disease or injury to people. In less developed nations, a lack of resources, security, and access to housing may cause a major influx of people.
Natural disasters are defined as severe geophysical or climatic catastrophes, such as volcanic eruptions, floods, cyclones, and fires, that pose a hazard to people or property. Catastrophes that are caused by human activity are referred to as man-made disasters (e.g. industrial chemical accidents and oil spills)
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In the context of human resource management, companies can establish a competitive advantage by?
Companies can establish a competitive advantage by hiring the right people and training them effectively.
What is human resource management ?
The practice of recruiting, hiring, assigning, and managing personnel is known as human resource management (HRM). Frequently, HRM is referred to as just "human resources" (HR). The HR department of a business or organization is often in charge of developing, implementing, and monitoring the firm's policies regarding employees and its interaction with them. The phrase "human resources" was initially used to refer to all of the employees of a business in the early 1900s, and it became more popular in the 1960s.
HRM is employee management with a focus on those workers as company assets. Employees are sometimes referred to as human capital in this context. The objective is to use people efficiently, minimizing risk and maximizing return on investment, just like with other business assets (ROI).
Through their personnel management practices, human resources managers can contribute to creating a strong competitive edge. An advantage that frequently leads to better customer service and possibly more clients than those firms with little or no CA is employee performance and a high degree of engagement.
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Proteins that are embedded within, and extend across, the phospholipid bilayer are called _____ proteins. rev: 02_22_2014_qc_45534
Proteins that are embedded within, and extend across, the phospholipid bilayer are called Integral Protein.
Integral Protein- Any protein containing a unique functional area for the purpose of ensuring its location within the cellular membrane is referred to as an integral protein, which is also referred to as an integral membrane protein. Or, to put it another way, an integral protein seizes the cellular membrane.
Cellular membrane- All cells have a cell membrane, also known as a plasma membrane, which divides the inside of the cell from the external environment. A semipermeable lipid bilayer makes up the cell membrane. The movement of materials into and out of the cell is controlled by the cell membrane.
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When an individual is stressed, which part of the nervous system initiates the stress response?
Answer:
sympathetic nervous system
Explanation:
The autonomic nervous system has two components, the sympathetic nervous system and the parasympathetic nervous system. The sympathetic nervous system functions like a gas pedal in a car. It triggers the fight-or-flight response, providing the body with a burst of energy so that it can respond to perceived dangers.
The most recent phylogenetic data suggests that bacteria and archaea may be more closely related than archaea and eukarya. True or false?.
False, Bacteria and archaea are not closely related than the archaea and eukaryote.
Bacteria- Bacteria are microscopic single-celled creatures without a distinguishable nucleus. They might have a sphere, a rod, or a spiral form. They live in almost every type of habitat, including soil, water, organic material, and animal bodies.
Archaea- Microbes known as archaea set the parameters for life on Earth. Extreme settings, such hydrothermal vents and terrestrial hot springs, are where they were first identified and characterized. Also found in wide variety like very salty, acidic, and anaerobic conditions.
Eukarya- A group of organisms, each of which cells contains a unique nucleus that houses the genetic material. Protista, fungi, plants, and animals are examples of eukaryotes.
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12. Compare and contrast the chemistry of flowing-water ecosystems to standing-water ecosystems.
The correct answer In a flowing-water ecosystem, water moves quickly near the source and slowly near the mouth and Water in a standing- water flow within ecosystem despite having little net flow.
Standing water has little water circulation and supports free floating organisms, whereas flowing water ecosystems have a higher rate of water circulation and support a broader range of organisms.
Ecosystems in which plant roots are submerged in water for at least part of the year. Typically found where water and land meet. Marshes, bogs, and swamps are some examples. Because it is standing water, water has a low oxygen content.
Flowing waters means fresh waters flowing unidirectionally down altitudinal gradients. These waters may or may not be separated by channels. Flowing waters include streams, springs, seeps, ditches, and flumes.
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A client is prescribed an optic eye medication that will mimic the action of the sympathetic nervous system. the nurse expects that this medication will:______
A client is prescribed an optic eye medication that will mimic the action of the sympathetic nervous system. the nurse expects that this medication will: dilate the pupil.
What is sympathetic nervous system?
A network of neurons in your body called the sympathetic nervous system aids in the "fight-or-flight" reaction. When you're under stress, in danger, or engaged in physical exercise, this system becomes more active. Its effects include accelerating respiration and heart rate, enhancing vision, and slowing down bodily functions including digestion.
The sympathetic nervous system regulates the muscles that enlarge the pupil.
Question:
A client is prescribed an optic eye medication that will mimic the action of the sympathetic nervous system. The nurse expects that this medication will:
1. prepare the eye for near vision.
2. increase the ability of the eye to tear.
3. constrict the pupil.
4. dilate the pupil.
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Who/or what can fix melting polar ice caps????
Answer:
Scientist says giant walls and cooling tunnels may be the best ways to save polar ice.
Explanation:
For years, scientists have been exploring ways to save the vast sheets of ice covering Greenland and Antarctica, which as the climate warms are melting and falling into the ocean.
Answer:
humans can fix it if we stopped using so many polutants to the air and cause climate change but really the savior would be trees because they produce fresh air so if we plant or let the earth grow then it would go back to normal.
Explanation:
cuz
Diffusion vs Osmosis in a ven digram
Answer: Venn Diagram
Explanation: Picture -
Answer:
Here it is, the Venn diagram you asked for lara!
- Kit-Kat <3
What type of regulation occurs when the product of the regulator gene is necessary to shut off the expression of structural genes?
Negative Control regulation occurs when the product of the regulator gene is necessary to shut off the expression of structural genes.
Gene- The fundamental genetic component transferred from parent to child. Genes are composed of DNA sequences and are organized sequentially at specified sites on chromosomes in the cell nucleus.
DNA- DNA is an organic molecule that holds instructions for synthesizing proteins as well as genetic data. Most cells in every organism contain it. DNA plays a crucial role in reproduction because it allows for the hereditary transmission of traits from one or more parents to their children.
Structural Gene- A gene that produces ribosomal RNA, transfer RNA, or the amino acid sequence of a protein (such as an enzyme).
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An example of _________ correlation would be the more a mother smokes, the more damage a fetus suffers.
Positive
An example of positive correlation would be the more a mother smokes, the more damage a fetus suffers.
What is a positive correlation?A positive correlation is defined as the tendency of two variables to move in the same direction.When one variable tends to go down as the other goes down or when one variable tends to go up as the other goes up, there is a positive correlation.How can you tell if a correlation is favorable?The correlation coefficient is calculated on a scale from + 1 to -1.Either + 1 or -1 represents a variable's complete connection with another. When one variable declines as the other grows, the correlation is negative; when both variables increase , it is positive.To learn more about correlation visit:
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A seed is a fertilized and mature (A.ovary, B.fruit, C.ovule, D.egg), consisting of an embryo or two coytyledons.
Answer: D. Egg
Explanation:
A fertilized egg becomes a seed.
What are ocean animals' biological clocks in tune with so that their lives are not upset by high and low tides?
A. Lunar rhythm
B. Annual rhythm
C. Seasons
D. Rain schedule
The ocean animals also keep time using the Lunar rhythm.
What are ocean animals?The ocean animals are the animals that can be found in the ocean. We know that the ocean is salt water. Another name for ocean animal are marine animals. In the Marine ecosystem there are high and low tides.
More recent scientific evidence has shown that, aside from the internal biological clocks of the organisms and that of the rising and falling tides. The ocean animals also keep time using the Lunar rhythm.
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Answer:
A. Lunar rhythm
Explanation:
Scientific evidence has shown that, aside from the internal biological clocks of the organisms and that of the rising and falling tides, the ocean animals also keep time using the Lunar rhythm.
When fighting the human immunodeficiency virus (hiv), the nurse knows that the drug regimen usually includes which?
The most successful course of therapy involves a number of drugs taken together.
Drugs- A medicine (Drug) is an organic chemical having a recognized structure that, when administered to a living entity, has a biological effect. These substances are referred to as pharmacological agents. A chemical substance known as a pharmaceutical medicine is used to treat, diagnose, prevent, or assess sickness as well as to enhance wellness. It is also referred to as a drug.
Therapy- A style of medicine that treats illness using drugs derived from living things. These compounds could be produced in a lab or they might be found naturally in the body. Some biological cancer treatments activate or inhibit the immunological system to support the body's fight against cancer.
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All lipids are polymers of? fatty acids. triglycerides. polar. hydrophilic. more soluble in nonpolar solvents than in water.
Answer:
fatty acids
Explanation:
In dna replication what is the difference between the leading and lagging strands.
Answer:The major difference between a lagging and leading strand is that the lagging strand replicates discontinuously forming short fragments, whereas the leading strand replicates continuously
Explanation:
Ou are working with a bls team performing cpr on a 62-year-old female patient. which actions demonstrate high-quality cpr?
The answer to the question is-
1. Deliver steady ventilations that last a minute or more, causing the chest to elevate.
2. After every compression, let your chest to fully recoil.
3. At a rate between 100 and 120, compress the chest.
What is ventilation?Air movement between the atmosphere and the lungs that allows carbon dioxide in the alveoli to be replaced by oxygen.
In order to provide mechanical ventilation—the process of moving breathable air into and out of the lungs—to a patient who is physically unable to breathe or who is not breathing enough, a ventilator is a piece of medical technology. Patients can be ventilated with either a straightforward, manually operated bag valve mask or a computerized, microprocessor-controlled ventilator.
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Cara and evan are participating in a half-sibling study. they share about what percentage of their genes?
25 Percentage of their genes they share.
Genes- In every type of living creature, a gene is a highly precise sequence of nucleotide monomers that has the power to fully or partially regulate the expression of one or more features. Deoxyribonucleic acid (DNA) and, in the case of certain viruses, ribonucleic acid (RNA) polymers are used to create genes.
DNA- The molecule found inside cells that carries the genetic material necessary for an organism to grow and operate. This knowledge may be handed on from one generations to the next thanks to DNA molecules.
RNA- Instead of the deoxyribose present in DNA, the backbone of an RNA molecule is made up of alternate phosphate groups and the sugar ribose.
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The inside of the barrel-shaped ldl protein consists of ___________ amino acids, while its outside portions in contact with the blood fluid consist of _____________ amino acids.
The inside of the barrel-shaped LDL protein consists of hydrophobic amino acids, while its outside portions in contact with the blood fluid consist of hydrophilic amino acids.
LDL is a type of lipoprotein, i.e., it contains protein as well as lipid (cholesterol). The full form of LDL is Low Density Lipid. LDL is considered to be the bad cholesterol for the body. It can cause diseases of the heart like heart attack or stroke.
Amino acids are the essential molecule that act as a monomer for the formation of proteins inside the body. They contain an amino group and a carboxylic group attached to the same carbon atom. There are also a hydrogen atom and a variable R group attached to the carbon, also called the alpha carbon.
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A certain biological molecule has the ability to absorb hydrogen ions. predict and justify what will happen to the ph if this molecule is added to a beaker of water.
In the body, excess hydrogen ions can be absorbed by chemical buffers, which prevent pH changes.
For instance, excess carboxylic acid may be produced by muscle cells during exercise, which raises hydrogen ions. The H2 molecule is chemically fairly inert and only exhibits mild van der Waals type interactions with a solid surface because of strong covalent intermolecular connections.
Therefore, it is generally acknowledged that molecules are physically adsorbed. However, the hydrogen molecule's chemical interaction with the surface atoms is also taken into account.
How do chemical buffers work?A extremely stable pH solution is referred to as a buffer. A buffered solution's pH won't appreciably alter if an acid or basic is added to it.
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A certain biological molecule has the ability to absorb Hydrogen ions. Predict and justify (CER) what is going to happen to the pH if this molecule is added to a beaker of water.--
If the molecule was added to a beaker of water, the PH level of the water would increase, making the answer more basic.
What is pH simple definition?
pH may be a measure of how acidic/basic water is. The range goes from 0 to 14, with 7 being neutral. pHs of but 7 indicate acidity, whereas a pH of greater than 7 indicates a base. pH is basically a measure of the relative amount of free hydrogen and hydroxyl ions in the water.
Why is pH important to the human body?
In humans, pH balance plays a task in keeping the body functioning optimally. the perfect pH of the body is slightly alkaline, which facilitates certain biochemical reactions like oxygenating the blood. The body has numerous corrective measures to stay pH in homeostasis (a stable state)
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