Answer: it sticks to it
Explanation:
Linking amino acid monomers together to form a polymer requires the formation of which type of bond?.
Linking amino acid monomers together to form a polymer requires the formation of peptide bond.
Amino acids are the molecules that are necessary to form proteins inside the body. Various amino acid also acts as hormones or signaling molecules. The basic structure of all the amino acids contains a hydrogen atom, a variable R group, an amino group and a carboxylic group attached to the same carbon called the alpha-carbon.
Peptide bond is formed by the reaction between the carboxylic group of one amino acid and the amino group of another. It is a dehydration reaction as a water molecule is released when the bond is formed.
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The term that means spread of disease from one part of the body to another is:_______
a. contagion.
b. carcinoma.
c. metastasis.
d. benign.
e. pathology.
The term that means spread of disease from one part of the body to another is metastasis. Metastasis. Cancer cells spread from where they first developed (primary cancer) through the blood or lymph system to produce new tumours (metastatic tumours) in distant areas of the body during metastasis.
The initial tumour and the metastatic tumour are both cancers. Metastatic cancer is cancer that spreads from the site of origin to a distant portion of the body. It is also known as stage IV (4) cancer for several types of cancer. Metastasis is the process through which cancer cells spread to different areas of the body.
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A(n) __________ amino acid is one that is needed in the diet because it cannot be made in the body or cannot be made in adequate quantities for sustaining the body's needs.
Answer:
Essential
Explanation:
essential amino acids
ecology - day 2 aquatic systems
The correct answer is the ocean.
Processes must be in place to aid the environment in returning to its initial condition following a disturbance in order for it to be called stable. An ecosystem with a variety of food chains and biotic interactions is likely to exist in areas with a high level of biodiversity and genetic variation.
Mountains are formed and destroyed by a variety of manmade and natural factors.
Deserts may also be destroyed by natural disasters, hence they are not regarded as stable ecosystems.
Forests cannot be considered to have a stable environment since they may be destroyed by fire or the process of deforestation.
Since it doesn't change throughout time, the ocean is a stable environment. Oceans have not changed over the course of the planet's vast existence. Small changes in the oceans are difficult to observe because of their enormous magnitude.
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An action potential involves na moving ________ the cell and k moving ________ the cell.
Inside, Outside
An action potential involves Na moving inside the cell and k moving outside the cell.
Na+ moves inside the cell during an action potential, and k+ moves outside the cell.Outside of the cells, natrium content is greater. The ion canals will open when an action potential occurs, allowing sodium or natrium to enter the cells. As a result, the potential will depolarize quickly and turn more positive. After some time, the potassium/kalium ion will leave the cell and repolarize the membrane potential, making it more negative once more.What is action potential? A abrupt, quick, transient, and propagating shift in the resting membrane potential is referred to as an action potential. The only cells that can produce action potentials are neurons and muscle cells; this quality is known as excitability.To learn more about action potential visit:
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Which of the following properties of water is not a result of hydrogen bonding?
a. lower density of ice compared to liquid water
b. ratio of hydrogen to oxygen in water molecules
c. ability to dissolve many substances
d. cohesion
The most noticeable difference between human brains and other mammalian brains is the size of the:______
The most noticeable difference between human brains and other mammalian brains is the size of the Association areas
What is brain ?The brain is a sophisticated organ that manages every bodily function as well as thought, memory, emotion, touch, motor skills, vision, respiration, temperature, and hunger. The central nervous system, or CNS, is made up of the spinal cord that emerges from the brain.
The frontal, parietal, temporal, and occipital lobes are the traditional divisions for each hemisphere.The ultimate achievement of biological evolution, the human brain serves as the control centre for the nervous system and facilitates ideas, memory, movement, and emotions through a complicated function.Learn more about Brain here:
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Electrons have a charge of
Answer:
-1
Explanation:
What statistical property make odds ratios the ideal measurement for case control studies?
Odd ratio's insensitivity to variance makes it ideal for case control study measurements.
What are odds ratios?
An indicator of how closely an incident is linked to exposure is the odds ratio (OR). The odds ratio compares two sets of probabilities: the likelihood that an event will occur in a group that has been exposed vs the likelihood that it will not. Odds ratios are frequently employed in case-control study reporting. The odds ratio aids in determining how likely it is for an exposure to cause a particular occurrence. The likelihood that the event will occur with exposure increases with the size of the odds ratio. Probability ratios below one indicates a lower probability of the event occurring given the exposure.
Odd ratio's insensitivity to variance makes it ideal for case control study measurements. It means that it doesn't get affected if variance is increased or decreased.
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A nerve cell releases chemical messengers to trigger changes in a nearby muscle cell. this is example of a core principle known as feedback loops.
a. true
b. false
The answer is true. The nerve cell is the primary unit of communication in the neurological system (neuron). The cell body, a primary branching fiber (axon), and numerous smaller branching fibers comprise each nerve cell (dendrites). Nerve cells (neurones) are 'excitable' cells that may convert a range of stimuli into electrical impulses, continuously delivering information about the external
The internal environment to the central nervous system (in the form of sequences of action potentials) (CNS). Except for sponges and placozoa, the neuron is the primary component of neural tissue in all animals. Plants and fungi, for example, lack nerve cells.
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Tetracycline is an antibiotic that works by binding to the 30s subunit of bacterial ribosomes, thus inhibiting protein synthesis. this drug is able to cross the cell membrane because:_____
Tetracycline is an antibiotic that works by binding to the 30s subunit of bacterial ribosomes, thus inhibiting protein synthesis. This drug is able to cross the cell membrane because as a weak base, it can cross the membrane in its uncharged form.
Tetracycline, an antibiotic, inhibits protein synthesis in what way?Tetracyclines prohibit aminoacyl-tRNA from joining the bacterial ribosome, hence inhibiting the production of bacterial proteins. Therefore, depending on whether the vulnerable organism is a gram positive or gram negative, these molecules must pass through one or more membrane systems in order to engage with their targets. Tetracyclines travel via the OmpF and OmpC porin channels of gram-negative enteric bacteria as positively charged cation-tetracycline coordination complexes, most likely magnesium. The Donnan potential draws the cationic metal ion-antibiotic complex across the outer membrane, causing it to accumulate in the periplasm. There, the metal ion-tetracycline complex is likely to dissociate to release uncharged tetracycline, a weakly lipophilic molecule that can diffuse through the lipid bilayer regions of the inner (cytoplasmic) membrane.Learn more about the Tetracycline with the help of the given link:
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What would make it clear that a recessive trait is carried on the x chromosome in humans?
The recessive traits located on the X-chromosome of humans are always expressed in males e.g. color blindness is a recessive sex-linked trait in which the eye fails to distinguish red and green colors. The gene for the traditional vision is dominant. the traditional gene and its recessive allele are carried by X-chromosomes.
What is a recessive trait?
An inherited trait is outwardly obvious only two copies of the gene for that trait are present—as opposed to a dominant trait where one copy of the gene for the dominant trait is sufficient to display the trait.
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Will there be a greater difference between the genome or the proteome between these two cells?
Answer:
A proteome comprises the entire map that includes all the proteins which will result from just a single gene, but a genome simply consists of genes that encode for proteins. As a result, there will be a significant size difference between the two. For instance, the genome of a skin cell is identical to the genome of another somatic cell, yet the proteome of a kidney cell comprises proteins such as angiotensin, tomm-Horsfall protein, etcetera. The proteome of the kidney cells is several times greater than that of the genome of skin cells, and each of these proteins might well have descended from a single gene.
If you're simply interested in the genome, keep in mind that somatic cell genomes are identical, however a proteome constantly varies depending on the cell type.
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The ____ model focuses on promoting good health and good health practices to avert disease
The public health model focuses on promoting good health and good health practices to avert disease.
What do you mean by public health?Public health is characterized as the science of defending the security and enhancing the health of communities through instruction, the development of public policies, and investigation into the prevention of illness and harm. For each person, the term "public health" has a different meaning.
Therefore, a medical disease that substantially impacts a particular group qualifies as a public health problem.
Which three objectives define public health?The World Health Organization (WHO) states that the purpose of public health is to prevent illness, improve health, and extend life for the entire community.
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What is an example of a single-celled organism? What do they have in common with humans?
Living things include single-celled creatures. There are two types of organisms: those composed of numerous cells and those composed of a single cell (single-celled organisms). Unicellular organisms are defined as organisms with a single cell. Single-celled organisms include the majority of protists and some fungi. Organisms with a single cell can exist independently. Amoeba and Paramecium are examples of single-celled organisms that perform their own bodily processes like respiration, excretion, digestion, and reproduction. These organisms have a variety of ways to obtain energy. Some cells allow energy to enter their bodies through their cell surface. A larger cell literally encircles a smaller cell or nutrient with its body before absorbing it, absorbing the nutrient into its body, and digesting the nutrient for energy.
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Question 5(Multiple Choice Worth 3 points)
(02.02 MC)
How is Earth's surface most likely to change in a place that experiences extensive animal activity?
Sand dunes will be formed due to deposition of sediments.
Soil will loosen due to vast network of underground tunnels.
Cracks will appear in rocks due to freezing and thawing of water.
Rocks will break due to repeated abrasion and mechanical stress?
Answer:B) soil will loosen due to vast network of underground tunnels.
Explanation:
It is possible for a patient to have gingivitis that is not caused by? bacterial plaque. gingivitis can be caused from an allergic reaction or fungal infection.
Both the above statements are true.
What is gingivitis?Gum inflammation is brought on by gingivitis, a non-destructive condition. Plaque-induced gingivitis, which results from bacterial biofilms (also known as plaque) that are attached to tooth surfaces, is the most prevalent type of gingivitis and the most prevalent type of periodontal disease overall. Plaque causes the majority of kinds of gingivitis.
While some occurrences of gingivitis never turn into periodontitis, gingivitis is always the first stage of periodontitis. Gingivitis is treatable with excellent oral care, but if left untreated, it can proceed to periodontitis, in which the gum inflammation causes tissue loss and bone loss surrounding the teeth.
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Following a hysterectomy, ovaries tend to be located more ________ and directly superior to the _______________
medially, Vaginal cuff
Following a hysterectomy, ovaries tend to be located more medially and directly superior to the vaginal cuff.
What is hysterectomy?The womb is surgically removed during a hysterectomy (uterus). After the procedure, you won't be able to become pregnant again. No of your age, if you haven't previously experienced the menopause, you won't have periods anymore.What three forms of hysterectomy are there?The procedure can be carried out through your vagina, three to four tiny incisions in your abdomen, or an incision in your lower abdomen (abdominal hysterectomy) (vaginal hysterectomy).What drawbacks come with having a hysterectomy?Hemorrhage, intestinal injury, bladder injury, pulmonary embolism, severe anesthetic reactions, wound dehiscence, and hematoma are examples of major consequences. Additionally, blood transfusions are necessary for 10% to 15% of women who have hysterectomy procedures.To learn more about hysterectomy visit:
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Each spring, high school students, college interns, and retirees count and weigh tiny glass eels in streams that feed into the hudson river. they report their observations to the new york state department of environmental conservation hudson river estuary program and the national estuarine research reserve system, who depend on volunteers, to help build a database of information about glass eels. the observations that these volunteers make would best be described as__________
In streams that pour into the Hudson River every spring, high school students, college interns, and retirees weigh and count the tiny glass eels. the observations that these volunteers make would best be described as observational studies
They share their findings with the volunteer-run national estuarine research reserve system and the Hudson River Estuary Program of the New York State Department of Environmental Conservation in order to contribute to the creation of a database of knowledge on glass eels. These volunteers' observations are best characterized as discovery science.
What is science of discovery?The goal of discovery science, also known as discovery-based science, is to identify novel patterns, relationships, and hypotheses via the examination of extensive experimental data.
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The observations that these volunteers make would best be described as___ observational studies
What is observational study?
Observational studies involve the study of participants with none forced change to their circumstances, that is, with none intervention. Although the participants' behaviour may change under observation, the intent of observational studies is to research the 'natural' state of risk factors, diseases or outcomes
Why are observational studies important?
They help to investigate relationships that are unable to be tested under randomised controlled experiments, can help provide insight and develop hypotheses on what subsequent randomised evidence is required for future research, and may provide an understanding on how things work in clinical practice
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Which enzyme works best in neutral conditions?
Pepsin purpose at the lowest pH. Pepsin is an enzyme that works in the stomach to digest proteins from foods we consume.
Which enzyme works best at neutral pH?Pepsin has a best of pH 2.5 and a working range between pH 1-4. Catalase has an optimum pH of 9 and a working range of linking pH 7-11. Most other enzymes function within an employed pH range of about pH 5-9 with neutral pH 7 being the optimum.
Enzymes are affected by a swap in pH. The most favorable pH value - the point where the enzyme is most active - is known as the optimum pH.
So we can conclude that pepsin works in highly acidic state of the stomach. Its enzyme has an optimum pH of about 1.5.
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Epigenetics examines gene expression and how those with identical genes may have different.
Answer:
The field of epigenetics investigates how environmental factors and behaviour may alter how your genes function. While epigenetic mechanisms can alter how the body interprets a DNA sequence, these are reversible and never alter the DNA sequence as genetic changes do.
Identical twins provide excellent research subjects for examining the impact of epigenetic mechanisms, modifications to the DNA that regulate gene expression rather than the DNA sequence itself.
Even though twins are epigenetically impossible to distinguish in the first few years of life, we discovered that the older monozygous twins showed impressive differences in the quantities and dispersion of 5-methylcytosine DNA as well as histone acetylation in there own genomes, which had an impact on their gene-expression profile.
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In the periphery of the body, ____ build the myelin sheaths that surround and insulate certain vertebrate axons.
In the periphery of the body, Schwann Cells build the myelin sheaths that surround and insulate certain vertebrate axons.
What is Schwann Cells?The primary glial cell type in the peripheral nervous system is known as a Schwann cell (SC). In the growth, upkeep, operation, and regeneration of peripheral nerves, they play crucial roles. SCs can be divided into two main types in the mature nervous system: myelinating cells and non-myelinating cells. All large-diameter peripheral axons are myelin-ensheathed by myelinating SCs. A single axon is associated with each myelinating SC. Smaller axons are linked to nonmyelin-forming SCs in a way that allows them to wrap around several axons to generate Remak bundles. In this article, the morphological traits of SCs are discussed along with how they impact peripheral nerve architecture.
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How could scientists use radioisotopes to study the function of the golgi apparatus?.
Scientists could use radioisotopes to study the function of the Golgi apparatus by tracking the radiolabelled sugars along with proteins in the Golgi apparatus.
Radioisotopes of radiolabelled sugars are attached to proteins within the Golgi apparatus and are used for purpose of function study and are found in eukaryotes which is a membrane-bound organelle. It is made up of cisternae in flattened, stacked pouches. Proteins and lipids are moved, altered, and packaged into vesicles by the Golgi apparatus and delivered to various locations. It is situated near the cell nucleus and the endoplasmic reticulum present in the cytoplasm.
In an experiment to determine the route secreted proteins follow, radioactively labeled amino acids are added to a culture of cells involved in protein synthesis which is in a growing stage. The secretory vesicles have radiolabeled proteins received from the Golgi apparatus, which are joined with the plasma membrane to release outside the cell.
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What was the origin of all chloroplasts? a single cyanobacterium a single green alga a group of green algae a group of cyanobacteria
A single cyanobacterium was the origin of all chloroplasts.
What is chloroplast?A membrane-bound organelle called a plastid, or chloroplast, is a kind that primarily facilitates photosynthesis in plant and algal cells.While releasing oxygen from water in the cells, the photosynthetic pigment chlorophyll absorbs energy from sunlight, transforms it, and stores it in the energy-storage molecules ATP and NADPH.The Calvin cycle is the mechanism by which organic molecules are produced from carbon dioxide using ATP and NADPH.Other tasks performed by chloroplasts include the creation of fatty acids, a significant amount of amino acids, and the immunological response in plants.In unicellular algae, there are just one chloroplast per cell; in plants like Arabidopsis and wheat, there are up to 100.To learn more about chloroplast, refer to the following link:
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All living things are based on a
universal genetic code. What is this
genetic code called?
A. a cell
B. molecules
C. DNA
Answer:
C. DNA
Explanation:
Deoxyribonucleic Acid, may look like a curly string
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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Some of the functions of the eukaryotic organelles are performed in bacteria by the:_____.
Some of the functions of the eukaryotic organelles are performed in bacteria by the Cell Wall.
Cell Wall- The often rigid, non-living, porous wall that protects the plasma membrane, encloses and supports the cells of the majority of plants, bacteria, fungus, and algae, and is usually non-living.
Eukaryotic Organism- Every creature or cell with an identifiable nucleus. The nucleus of a eukaryotic cell, which houses the very well chromosomes (bodies holding the genetic material), is surrounded by a nuclear membrane.
Chromosome- A component that can be found in a cell's nucleus. Proteins and DNA are arranged into genes on a chromosome. There are typically 23 pairs of chromosomes in each cell.
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Blood typing is based on the presence of proteins known as ____________ on the outer surface of the erythrocyte plasma membrane.
Answer:
Blood typing is based on the presence of proteins known as antigen on the outer surface of the erythrocyte plasma membrane.
Explanation:
Antigens frequently consist of proteins or carbohydrates and have high molecular weights. Numerous additional substances, including lipids, nuclear acids, as well as polypeptides, can potentially serve as antigens. Haptens include tiny molecules that, when chemically attached to a bigger carrier protein, could also cause immunological reactions. Any chemical that the immune system potentially reacts to is considered an antigen. For instance, parts of the cell wall of bacteria might cause neutrophils to attack violently and right away. The immune system begins an attempt on an antigen when it is discovered that it is not present in the body's original cells. Immunity is the body's capacity to defend itself from pathogens and other foreign substances via its immune system.
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describes the factor that drives the ecological footprint of a country
Responder:
Su huella ecológica depende de su cultura, la tecnología disponible para usted y las leyes y los límites relacionados con la regulación ambiental que establece su gobierno.
Explicación:
Su huella ecológica depende de su cultura, la tecnología disponible para usted y las leyes y los límites relacionados con la regulación ambiental que establece su gobierno. Su huella ecológica se ve afectada por la cantidad de tierra en la que vive, si conduce (cuánto conduce, cuál es el consumo de gasolina de su automóvil, cuáles son las leyes de emisiones en su país para los automóviles), qué alimentos come y dónde. de dónde vienen, de dónde viene su electricidad, y así sucesivamente. Por lo tanto, si vive en Suecia, donde hay un gran énfasis en la energía verde y una dependencia comparativamente baja de los combustibles fósiles, su huella se verá afectada por esto. Por el contrario, si vive en un país que aún se está desarrollando económicamente en términos de tecnología, donde la mayoría de las personas no tienen acceso a automóviles ni electricidad, su huella será menor que la de aquellos que tienen acceso regular a viajes aéreos, automóviles , electricidad, etc. Otro factor a considerar son las regulaciones gubernamentales. Si su gobierno establece que la contaminación de las fábricas y los automóviles debe cumplir con un cierto estándar, eso significará que cualquier automóvil que compre o la fábrica en la que trabaje o compre productos tendrá una huella menor que sin estos estándares gubernamentales. Esto reducirá su huella. Por último, la cultura en la que vive, cuánto valor se le da a ser verde y a la conservación, probablemente tendrá un impacto en usted. Si creces en un hogar donde el reciclaje y el compostaje son la norma y tu familia y amigos andan en bicicleta en todos los lugares posibles, esto es muy diferente de crecer en un lugar donde conducir es un símbolo de riqueza y prestigio. Yale tiene un sitio realmente excelente donde puede ver el desempeño ambiental de los países en función de sus prácticas agrícolas, recursos hídricos, clima y energía, y más.
How long does it take for a nutrient to diffuse from the blood to a cell which is 100 micrometers from the nearest capillary?
it takes 5 seconds for a nutrient to diffuse from the blood to a cell which is 100 micrometers from the nearest capillary.
What is Capillary?Capillaries are small blood vessels lined of a single layer of endothelium. The exchange of gases and nutrients that take place between the blood and tissues is the function of the capillaries. Oxygen from the red blood cell and nutrients in the blood diffuses into the tissues, while carbon dioxide from the tissues diffuses out into the blood. The carbon dioxide is then transported to the lungs, where it will be exhaled.
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