Answer: Animal
Explanation:
15. What are the reactants of reaction B?
16. When the two molecules in reaction B are joined together, what other two molecules are pro-duced?
In which layer of the epidermis are 10–25% of the cells melanocytes, a cell type that is prone to cancer in the form of melanoma?.
Stratum basal layer of the epidermis are 10–25% of the cells melanocytes, a cell type that is prone to cancer in the form of melanoma.
Due to its dual roles as a tumour initiator and a tumour promoter, UV radiation is categorised as a "complete carcinogen" since it is both a mutagen and a non-specific harmful agent. UV exposure is the most significant environmental risk factor that can be altered for skin cancer and many other skin conditions that are impacted by the environment.The layer of basal cells at the deepest section of the epidermis contains melanocytes.Cancer that starts in melanocytes is called melanoma. This cancer is also known as cutaneous melanoma and malignant melanoma. Melanoma tumours are often brown or black because the majority of melanoma cells still produce melanin.To learn more about cancer.
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The unit discusses the mass abundance of water on our planet and in our oceans which is a stark contrast to Sedlak’s highlighting massive droughts and cities in danger of having no drinking water. Briefly explain the reason that Sedlak gives for water shortages.
According to Sedlak, there are factors that contribute to water shortages.
One is the population .
Two is the climate change.
What is Drought?A drought is a period of time when an area or region experiences below-normal precipitation.
The amount of precipitation at a particular location varies from year to year, but over a period of years the average amount is fairly constant.
These are two major changes that have occurred over the past couple of years.
Sedlak gave reasons for water shortages which is that the population has clearly increased dramatically, which means more people need access to water to survive.
The second impact is the climate change.
Climate changes can cause drought which in effect means no water coming in to replace any previous ones.
In conclusion, the beginning of a drought is most times difficult to determine owing to the fact several weeks, months, or even years might pass before people know that a drought is occurring.
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Answer true or false
___ Fibroblasts contain a large lipid droplet in their cytoplasm.
____ Collagen fibers are the primary element in dense regular collagenous connective tissue.
____ Bundles of collagen fibers are arranged parallel to one another in dense elastic connective tissue.
____ The primary element in loose connective tissue is ground substance.
____ The ECM of fibrocartilage is filled with protein fibers.
_F__ Fibroblasts contain a large lipid droplet in their cytoplasm.
_T___ Collagen fibers are the primary element in dense regular collagenous connective tissue.
__T__ Bundles of collagen fibers are arranged parallel to one another in dense elastic connective tissue.
__F__ The primary element in loose connective tissue is ground substance.
__F__ The ECM of fibrocartilage is filled with protein fibers.
What is connective tissue?Connective tissue is responsible for the support and integration of the body's cells, made up of organic tissues that are divided into their cells and their extracellular components, the latter is known as the ground substance and integrated into this will be the fibers that will give it the elastic characteristic to connective tissue.
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Hypotheses are______. question 6 options: based on surveys by those interested in discovering the truth. explanations for natural phenomena, based on prior experience, scientific background, preliminary observations, and logic. suggestions, based on the thoughts of famous scientists wild guesses, gathered from the, ‘ scientific think tank.’
Hypotheses are suggestions, based on the thoughts of the famous scientists wild with the guesses
A hypothesis is a proposed explanation for the phenomenon. For a hypothesis to be a scientific hypothesis, the scientific method was requires that one that can test it. the Scientists are generally the base of scientific hypotheses on they previous observations that cannot be satisfactorily be explained with the available the scientific theories A hypothesis is an the assumption, an idea that is being proposed for the sake of the argument so that it can be tested as to see if it might be true. In the scientific method, the hypothesis was constructed before any of the applicable research has been done, apart from the basic to background review.
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All plant cells contain chloroplasts.
True or False
Answer:
True
Explanation:
It is what makes the plant green.
Answer:
The answer is False
explanation:
The answer is False
plants make their own food with the help of sunlight. However not all parts of a plant structure are suitable to do this, so not all types of plant cells contain chloroplasts.
what is the structure and function of a capsule in a cell organelle
The structure of a capsule in a cell organelle is that it contains complex carbohydrates which are referred to as polysaccharides and act as a protective covering.
What is an Organelle?These are the specialized structures which are found in the cells of organisms and perform various types of metabolic reactions such as amino acid synthesis etc.
A capsule is primarily composed of polysaccharides and is present in a cell organelle and it has various types of functions such as preventing the bacteria from drying out as a result of a high temperature.
It also ensures that the bacteria isn't engulfed by larger microbes who are in search of food and nutrients for their survival. This therefore makes it the most appropriate answer for the structure and function of a capsule in a cell organelle.
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Which has a higher concentration, 100 mL of water with 1 gram of sugar dissolved, or 100 mL of water with 10 grams of sugar dissolved?
100 mL of water with 10 grams of sugar dissolved has a higher concentration than 100 mL of water with 1 gram of sugar dissolved.
In simple terms, concentration means the amount of solute present in a given solvent. Since here, in both cases, the volume of solvent i.e water is constant only the solute amount is changes. There on increasing the amount of solute, the concentration of the solution will increase.
Concentration is the abundance of a constituent divided by way of the full volume of an aggregate. numerous sorts of mathematical descriptions can be prominent: mass awareness, molar awareness, quantity attention, and extent attention. The attention of a substance is the quantity of solute found in a given quantity of answers. Concentrations are generally expressed in terms of molarity, described because of the range of moles of solute in 1 L of solution.
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A mutation has developed that has deleted a gene responsible for the formation of vesicles at the trans end of the golgi apparatus. What effect will this have on the function of lysosomes?.
The function of lysosomes will not be carried further because the formation of lysosomes will not be carried successfully when there is a mutation in the gene responsible for the formation of vesicles at the trans end of the Golgi apparatus.
What is Mutation?A Mutation may be defined as the sudden, stable, and inheritable change in the genetic material of an organism. The organism which undergoes the process of mutation is known as a mutant. The agent of mutation is known as a mutagen.
The origination of the lysosomes will be stimulated by the trans end of the Golgi apparatus in the form of vesicles. And when there is mutation occurred in the gene it is responsible for the formation of these vesicles. Its function of it must be eliminated.
Therefore, as a result of a mutation in the gene leads to the deformation of lysosomes.
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The pseudostratified columnar epithelium of the bronchi in smokers may transform into stratified squamous epithelium. this is an example of __________.\
The type of respiratory epithelium that allows tracheal and other respiratory tract linings to filter and humidify incoming air is known as ciliated pseudostratified columnar epithelium.
What is the effect of smoking in columnar epithelium?Smoking cigarettes is also linked to significant modifications in the processes that produce mucus.
Chronic exposure to this smoke results in metaplastic changes to the respiratory mucosa.
An increase in goblet cell number and size, and an increase in upper airway secretion as a result.
Therefore, pseudostratified columnar epithelium of the bronchi in smokers may transform into stratified squamous epithelium. This is an example of squamous metaplasia.
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When the sympathetic nervous system is active, the ____ releases epinephrine and norepinephrine into the bloodstream helping to increase respiration, heart rate, and blood pressure.
When the sympathetic nervous system is active, the adrenaline glands above the kidneys release epinephrine and norepinephrine into the bloodstream.
What is the adrenaline gland?The two tiny organs known as the adrenal glands are located above each kidney. You can get the many hormones that need to survive and be healthy from your adrenal glands. Hormones are molecules that circulate in your blood and regulate how various body parts function.
The hormones cortisol, aldosterone, adrenaline, and noradrenaline are produced by the adrenal glands. Additionally, they produce hormones your body requires to create sex hormones (estrogen and testosterone). These hormones all perform a variety of vital functions.
Therefore, epinephrine and norepinephrine are released by adrenaline glands.
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A mineral that has no particular planes of weakness in its lattice structure, so it does not break along particular planes. What happens when this mineral is struck?.
A mineral has no particular planes of weakness in its lattice structure, so it does not break along particular planes. Fracture is what happens when this mineral is struck.
An organized collection of points that characterizes a crystal-forming particle's structure is known as a lattice structure. The lattice points help identify a crystal's unit cell. In the sketched structure, every particle (yellow) is the same.
The face-centered cubic (FCC), body-centered cubic (BCC), and hexagonal closest packed are significant lattice structures.
Because of the structural positions of atoms and ions in the crystal, cleavage is the tendency of minerals to split along crystallographic planes, resulting in planes of relative weakness.
While a break occurs when the rock shows no evidence of a plane of weakness. In the event that the break is clean, parallel, and has reflective surfaces, it can be distinguished from a fracture.
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Why we are going back to the moon
In the year 2024, at least that's what the scientists said
Substances found outside the cell plasma membrane in the environment are considered ______
Answer:
extracellular
Explanation:
extracellular polymeric substance are generally present at the exterior cells generated through active section
i think it help u
insturctions: Carbon atoms have four valence electrons. Oxygen atoms have six valence electrons. Carbon and oxygen can share electrons so that each atom obtains a full outer shell of 8 valence electrons. Draw the shared electrons on this diagram.
is anyone able to help show a drawing or explain easily?? thank you
The octet rule stablishes that to form molecules, the atoms composing them must share electrons in their outer layer to complete the octet and reach a stable electronic configuration. Image in the attached files.
What is the octet rule?The octet rule is a theory stated by Lewis (1917) and is used to explain how atoms are combined.
The theory explains how atoms from different elements tend to complete their outer energy layer with 8 electrons to reach a stable electronic configuration.
The ions of different chemical elements complete their last energy levels when combined with other atoms.
Atoms can either gain or share electrons with other atoms to compose the molecule,
High electronegativity elements gain electrons until they get to complete the octet.Low electronegativity elements lose or share electrons to get to the octet.In this way, the rule explains how atoms form bonds to create a molecule.
The rule is used to predict the behavior of several substances according to their electronic configuration.
In the attached files you will find the electronic configuration of CO₂.
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during a controlled experiment if you purposely change the temperature to test a hypothesis the temperature is
A: independent variable
B: responding variable
C: experimental variable
D: dependent variable
Answer: A-independent variable
Explanation:
An experiment starts and finishes with the factors that change during the experiment. These are the variables. The experimenter will purposely change one of the variables; this is the independent variable or manipulated variable.
what is the formula for predicting our impact on the environment?
Answer:I=PAT
Explanation:
What factors can be both aboiot and boiotic in a ecosystem pond
Both biotic and abiotic elements are present in the cycles of nitrogen, phosphorus, water, and carbon in pond ecosystem.
An ecosystem in ecology is made up of biotic and abiotic elements. The living components of a pond ecosystem, such as plants, animals, and microorganisms, are known as biotic factors. Abiotic factors are the nonliving elements of the environment, such as the air, minerals, temperature, and sunlight. Both biotic and abiotic elements are necessary for organisms to live. Additionally, a lack or surplus of either component might restrict the effects of other variables and affect an organism's survival.
Soil present in pond ecosystem is composed of both biotic—living or once-living organisms, such as plants and insects—and abiotic—nonliving elements, such as minerals, water, and and air.
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A baby loses weight shortly after birth. This is normal, as the child adjusts to life outside of the womb. Approximately what percentage of their total body weight does a child lose in these first few days?.
Answer:
It's normal for babies to lose up to ten percent of their birth weight in the first week of birth as they flush fluids from their systems and adjust to life outside of the womb.
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Fossils dated 500 million years ago are from which era ( NOT Cambrian) could it be precambrian
Fossils dated 500 million years ago are from the paleozoic era.
Fossils are the remaining plants, animals, and other species that transformed into rocks over many years.
In Geology, three are three eras that have been identified so far: the Paleozoic Era, the Mesozoic Era, and the Cenozoic Era.
These eras reflect the different stages of life development since the creation of the earth.
The geological time scale refers to the different time spans of earth's history marked by certain events such as the emergence of particular species, their evolution, and extinction thus distinguishing one era from the other.
In general, the 1st Fossil belongs to the Cambrian period of the Paleozoic era dating back to almost 556-542 million years ago.
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The amino acid that gives rise to the biological messenger no is?
Answer:
arginine
Explanation:
The amino acid that gives rise to the biological messenger no is arginine.
Choose each statement that is scientific.
Ocean tides are caused by the uneven gravitational pulls of the Moon and Sun on different parts of Earth.
Human life is more valuable than other forms of life on Earth because humans are more intelligent than other organisms.
The universe's average temperature and rate of expansion support the idea that it began as one super-dense and hot mass 13.8 billion years ago.
The opinions of randomly selected participants in a survey prove the idea that global temperatures are not increasing on Earth.
The statements that is scientific are:
Ocean tides are caused by the uneven gravitational pulls of the Moon and Sun on different parts of Earth.
The universe's average temperature and rate of expansion support the idea that it began as one super-dense and hot mass 13.8 billion years ago.
A scientific statement is one that is supported by several studies, experiments, and quantifiable and empirical data from the experiment.
Random people's opinions have no bearing on scientific theory.
Science does not support the comparison of human intelligence to that of other life forms. For the world to be properly maintained, the entire biodiversity is necessary.
The scientific statement must be capable of being refuted. This indicates that they could be put to the test; there must be some conceivable observation that could prove them false or wrong. A tautology is a sentence that is unavoidably true. is therefore not scientific.
An official ADA point of view or position that may or may not include therapeutic or research advice is referred to as a scientific statement. Scientific statements provide an academic summary of a diabetes-related subject. Reports from work groups fall under this category.
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Of all the different types of dietary lipids, research shows that decreasing the intake of ______ has the most significant effect on lowering blood levels of ldl.
Answer:
While other options may qualify as correct answers, cholesterol can be considered as well
onycholemmal carcinoma is believed to be of trichilemmal origin, and shows differentiation similar to that found in the trichilemmal portion of the hair follicle. less then 3 cases are currently in the english literature. all reported cases presented in elderly patients and were without recurrence after amputation. clinical presentation has been varied and can be very subtle. as with most nail tumors, pain is not a common feature. the diagnosis is based on the histology showing an infiltrative growth of atypical keratinocytes, one or more foci of abrupt keratinization, and usually also keratinous cysts devoid of a granular layer. when a cystic component and clear cells predominate, the subtype description of malignant proliferating onycholemmal cyst has been applied. no standard treatment option or follow up has been established.
Rarely, "malignant proliferating onycholemmal cyst" and "onycholemmal carcinoma (OC)" have been used to characterize subungual malignant epithelial tumors with tricholemmal keratinization.
In addition to a nail bed carcinoma with tricholemmal microcysts, we also present a case of a slow-growing OC that developed on the middle finger of a 58-year-old male. This case was remarkable because it had sebaceous-apocrine differentiation.
Therefore, we believe that OC is a less appropriate name to describe this condition than microcystic nail bed cancer.
None of the uncommon cases of OC are known to match the additional traditional criteria for tricholemmal carcinoma provided by Headington, namely lobular organization, peripheral palisading, thicker basement membrane, and glycogen-positive tumor cells.
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The pleura and pericardium are examples of ________ membranes that cover organs in a body cavity closed to the exterior.
a) mucous
b) serous
c) cutaneous
d) synovial
The pleura and pericardium are examples of mucous membranes that cover organs in a body cavity closed to the exterior.
a) mucous
What is pleura?The pleura is a thin, transparent membrane made up of two layers that lines the lungs and the inside of the chest wall. The layer of membrane that lines the lungs is in direct contact with the layer that lines the chest wall.
With this information, we can conclude that The pericardium is a double, sac-like membrane that surrounds and protects the heart and vessel roots, separating them from other anatomical structures that occupy the mediastinum.
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what is the name for the quantitative analysis of a large collection of scientific results that attempts to make sense of a diverse selection of data?
Meta-analysis is the name for the quantitative analysis of a large collection of scientific results that attempts to make sense of a diverse selection of data.
Meta-analysis:
A meta-analysis is a statistical study that incorporates the findings of several scientific investigations. When there are several scientific studies addressing the same subject, meta-analyses can be undertaken, with each individual study presenting measures that are predicted to have some degree of inaccuracy. The goal is then to utilise statistical methodologies to produce a pooled estimate that is closest to the unknown common reality based on how this inaccuracy is viewed. The evidence-based medical literature regards meta-analytic results as the most reliable source of evidence.
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Hematopoietic stem cells produce all lineages of blood cells in sufficient quantities over the lifetime of an individual because they:____.
Answer: Have a wonderful day
Introducing an exotic species to an environment can
a. Cause native species to die out
c. improve soil fertility
b. Cause biological magnification
d. increase crop yields
Introducing an exotic species to an environment can cause native species to die out (Option A is correct).
What are exotic species?Exotic species are species that originated in a different environment and are introduced into a new ecosystem, which may be harmful to the equilibrium of the whole community by eliminating competence due to higher fitness (evolutionary fitness) and also altering other trophic relationships such as herbivore carnivore associations.
In conclusion, the introduction of exotic species to a new environment may cause native species to die out (Option A is correct).
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The weather map shows air pressure in millibars which set of conditions describes
millibars in a low-pressure system usually brings clouds and precipitation, while a high-pressure system brings cool dry air and clear skies. A low-pressure system usually brings warm dry air and clear skies, while a high-pressure system usually brings warm moist air and precipitation.
be more descriptive
In which process does a solute bind to a carrier in the plasma membrane that then changes shape and releases the solute to the other side of t?
Facilitated diffusion is the process where a solute bind to a carrier in the plasma membrane that then changes shape and releases the solute to the other side of the membrane.
What is carrier-mediated diffusion?In carrier-mediated diffusion, Polar molecules including simple sugars, simple carbohydrates, and amino acids are transported across the membrane by carrier-mediated diffusion, the carrier protein, which actually alters form in the process, is responsible for this.
There are three mechanisms of carrier-mediated transport;
1. Facilitated diffusion: Solutes diffuse across transport proteins in the plasma membrane when their diffusion is facilitated. A form of passive transport is facilitated diffusion. Because the solution is flowing down the concentration gradient, passive transport is still occurring despite the presence of transport proteins in assisted diffusion.
2. Primary active transport: Primary active transport, also known as direct active transport, employs chemical energy (such as that from the cell membrane's adenosine triphosphate or ATP) to move all types of solutes against their concentration gradient across a membrane.
3. Secondary active transport-It is known as secondary active transport when a solute is transported in the direction of its rising electrochemical potential while a second solute, typically an ion, is spread out more readily in the direction that its electrochemical potential is lowering.
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The complete question is:
"In which process does a solute bind to a carrier in the plasma membrane that then changes shape and releases the solute to the other side of the membrane?"