Answer:
One solution is to limit the scope of the study. Another possibility
is do several smaller studies over a longer period of time.
Explanation:
Funding for scientific research can come from scientific organizations, private foundations and government agencies
Two ways the scientists can work around the situation of limited funding from government are;
1) Source for more funding through;
Collaboration with other researchersPublish available research findings to build your network2) Change the size and scope ant time frame of the research
The scientist can work around the given limitations using the above two ways due to the following reason:
Source for more funding;
a) Collaboration and networking with other researchers
A researcher who is met with limited resources to complete a study can
collaborate with other researchers and build networks, to share both
resources, skills and ideas that are geared towards completing the study.
Such collaboration will reduce the amount of duplicated work within the
scientific community and increases the information flow, such that the
researcher can be involved in a new research and also be granted access
to a new funding source
b) Publishing current findings and discoveries
Highly productive researchers are known to be able to publish several
findings within a limited research grant and also they are known to attract
more grant. Therefore, it is important to publish any new findings that have
been made such that it will create awareness among members of the
scientific community and build up network with which to connect with
stakeholders such as gatekeepers within scientific networks and also
becoming more involved which can bring knowledge and attract funding
2) The researcher can scale down the study to reduce cost by reducing the
level to which the research was originally planned:
Cost savings can be made by changing the research direction and
methodologies, through the use of innovative alternatives that provide
similar results
The timing for the study can be reduced to reduce certain time based
expenses, or increased to the costs due to paying for services which are
express
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You are running very fast during a basketball game and you notice that you are breathing faster and deeper. which nerve controls the rate that you breathe?
When culturing a wound the nurse should obtain the sample from which part of the wound?
How many molecules of water are released during the polymerization of a 20 monomer long cellulose molecule
Answer: 19 water molecules
Explanation:
Polymerization can be defined as the process by which monomers gets attached to one another to form a polymer. Example: ethene polymerize to form polyethylene.
Polymerization of 20 monomers of cellulose molecules releases 19 molecules of water.
Polymer bond is formed when -OH group from the first monomers is attached to the H molecules of the second monomers.
For, 20 monomers there will be 19 water molecules released.
The polymerization of a 20 monomer-long cellulose molecule RELEASES 19 MOLECULES of water (H2O).
Cellulose is a carbohydrate polymer composed of many glucose units (i.e., monomers) joined by glycosidic bonds.When a glycosidic bond is formed, a water (H2O) molecule is released.Thus, glycosidic bonds are formed by dehydration synthesis reactions.A cellulose molecule composed of 20 monomers of glucose contains 19 glycosidic bonds.In conclusion, the polymerization of a 20 monomer-long cellulose molecule RELEASES 19 molecules of water (H2O).
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In a food chain 90% of the energy is lost in the transfer at each trophic level, and only 10% passes as usable biological energy. What will happen if secondary consumers are removed from a food chain?
A) Energy transfer in the food chain would be completely stopped.
B) Energy transferred to the tertiary consumers would be increased by 40%.
C) Energy transfer to the subsequent trophic levels of the food chain will be disturbed.
D) Producers will transfer more energy to the subsequent trophic levels of the food chain.
The correct answer is option C) Energy transfer to the subsequent trophic levels of the food chain will be disturbed.
In an ecosystem, the food chain starts with the producers. The producers convert the light energy to chemical energy through the process of photosynthesis. The energy from the producers is transferred to the primary consumers. the energy from the primary consumers is transferred to the secondary consumers and the energy from the secondary consumers are transferred to the tertiary consumers.
In case, the secondary consumers are removed from the food chain, the tertiary consumers would not get their food, hence, they would be disturbed. Although the energy transferred to each level remains 10% only.
1. What happens to the ratio of surface area to volume as the cell size increases without the cell changing shape?
How does water rise from the roots of a redwood tree to the very top
Which term applies to the biological aspect of a woodchuck living in underground burrows, eating plant food, and feeding often in open areas? A. productivity B. niche C. ecosystem D. energy flow
HURRY PLEASEEEEE I WILL NARK BRAINIEST
ANSWER
a) Identify at least two ways that runoff can negatively impact an ecosystem
b) Describe what happens during the process of transpiration
The following tracking model was created for Hurricane Katrina on August 26, 2005.
Map of Gulf Coast showing the forecasted path of Hurricane Katrina on August 26, 2005. The storm's current location, as of 5 p.
Public Domain
According to this model, when is the storm forecast to make landfall? (2 points)
Friday, 5 p.m.
Saturday, 2 p.m.
Sunday, 2 p.m.
Monday, 2 p.m.
Answer:
Monday 2 PM
Explanation:
The given details we can calculate the exact time. If a hurricane maintains a constant speed it will strike with the gulf cost by Monday on 2 PM and make land fall which results in heavy damage to the properties located along the gulf cost.
Answer: Monday 2pm
Explanation: just took the test scored this question right!
What structures of chelicerates are analogous to the antennae of chilopoda and other mandibulates?
In chelicerates, pedipalps serve functions analogous to antennae found in chilopoda and mandibulates, with ovigers present in some species for grooming and carrying eggs.
Chelicerates, which include animals like spiders, scorpions, and horseshoe crabs, do not possess antennae like those found in chilopoda and other mandibulates. Instead, the second pair of appendages, known as the pedipalps, serve some of the functions that antennae perform in other arthropods, such as sensing the environment and manipulating food. Additionally, in some chelicerate species, like sea spiders, an extra set of leg appendages called ovigers are present and are used for grooming purposes and by males to carry eggs.
what organelles do plant cells have that animal cells do not
If you examine the gene pool of a population that is evolving due to genetic drift, what do you predict will occur with the allele frequencies?
a. p will decrease.
b. p will increase.
c. q will increase.
d. q will decrease.
e. there is no way to tell how p or q will change.
The deformed skeletal bones of Neanderthal man were merely the result of a lack of Vitamin
Dr. Bob hypothesizes that drug X causes cuts to heal more quickly. He performs a medical experiment on a group of 100 people and confirms his original hypothesis. In the control group, a 1 cm cut took seven days to heal. In the experimental group, a 1 cm cut took four days to heal. What should Dr. Bob do next?
Dr. Bob should replicate the study, perform statistical analysis to confirm significance, seek peer review, publish the findings, and conduct further research to explore the drug's mechanism and potential side effects.
Explanation:Once Dr. Bob has found results suggesting that drug X speeds up the healing process, he should conduct further research to confirm the findings and rule out any potential factors that could have affected the outcome. These steps typically involve:
Replicating the study to see if the same results can be consistently achieved, which might include increasing the sample size or trying the experiment in different conditions.Perform statistical analyses to ensure that the findings are statistically significant and not due to chance, which might involve p-value calculations, confidence intervals, and possibly correcting for multiple comparisons if applicable.Peer reviewing the research and publishing the results so that the scientific community can examine and validate the findings.Conducting further studies to explore the mechanism by which the drug accelerates healing and to identify any side effects or long-term implications.Such thorough investigation is a critical part of the scientific process, particularly when the research involves pharmaceutical drugs and potential treatment programs.
Final answer:
Dr. Bob should replicate the experiment to confirm results, check for statistical significance, and consider external factors. If the results remain consistent, he could seek peer review and conduct clinical trials.
Explanation:
Dr. Bob has found that drug X causes cuts to heal more quickly, with the experimental group showing a healing time reduction from seven days to four days compared to the control group. To validate these findings, Dr. Bob should conduct further testing to confirm the drug's efficacy. This could include replicating the experiment to ensure consistency in the results, analyzing the data for statistical significance, and considering external factors that could have contributed to the difference in healing times. Once these steps are complete, if the results are still positive, Dr. Bob may seek peer review, publish his findings, and eventually move towards larger-scale clinical trials.
The brain can cope with injury more easily during:
What physical properties are shared by most metals?
Metals are shiny, malleable, and ductile materials that are excellent heat and electrical current conductors.
What is a metal?A material that, when freshly prepared, polished, or broken, reveals a glossy look and conducts electricity and heat relatively well is referred to be a metal. Metals can be manufactured in a variety of ways. In general, metals are ductile and malleable in nature. These characteristics are a direct consequence of the metallic bond that exists between the atoms or molecules that compose the metal.
A few examples of metals (materials) include gold, silver, aluminum, copper, and iron, amongst other instances.
The following are some benefits of metals:
The melting point of metals is often higher than that of other materials, and they are less likely to deteriorate when exposed to high temperatures. Strength is typically improved with metal grades as compared to their plastic equivalents since metal grades are typically stronger, harder, and more durable.Learn more about metals, here:
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Metals, encompassing elements like iron, copper, and aluminum, share several common physical properties. These include high thermal and electrical conductivity, metallic lustre, malleability, and ductility. Metals are distinguished from nonmetals and metalloids based on these distinct physical characteristics.
Explanation:Most metals, ranging from elements like iron, copper, and aluminum, exhibit several common physical properties. They are characterized by high thermal and electrical conductivity, with their structure often composed of a uniform distribution of atomic nuclei within a 'sea' of delocalized electrons. This results from a special type of bond, known as metallic bonding.
Furthermore, metals have a unique lustre, termed metallic lustre, which gives them their shiny appearance. They are also malleable (can be formed into sheets), and ductile (can be drawn into wires). Many metals are remarkably hard and strong, owing to their internal atomic arrangement and bonding structure.
In the periodic table, elements that exhibit these characteristics are classified as metals, distinguishing them from nonmetals and metalloids which possess different sets of properties.
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Blood is composed of many tiny cells in a liquid called plasma. Blood is actually considered a colloid. The dispersed state of matter is , and the dispersion medium is
Answer:
Blood is composed of many tiny cells in a liquid called plasma. Blood is actually considered a colloid. The dispersed state of matter is solid
, and the dispersion medium is liquid .
Explanation:
Which microscope did Anton van Leeuwenhoek use to observe single-celled organisms?
Answer:
B
Explanation:
The recent advent of _____ technology permits large-scale exploration of the effects of diet on the expression of thousands of genes.
hypothesize how the evolutionary history of cells might have differed had endosymbiosis not occurred?
Most eukaryotic cells today would less likely have no mitochondria and other organelles because endosymbiosis did not occur. Endosymbiosis theory posits that organelle such as the mitochondria, which originally was a bacterium, was engulfed by the cell and instead of being digested turned to generate ATP and other important component for cellular processes. This advantage prolifically created the cell to become more efficient and high-powered organism which enabled for other processes such as communication and organization with other similar cells.
Endosymbiosis played a crucial role in the evolution of cells, specifically in the development of eukaryotic cells. Without endosymbiosis, eukaryotes may not have evolved and the cellular diversity we see today would not exist.
Explanation:If endosymbiosis did not occur, the evolutionary history of cells would likely be very different. Endosymbiosis played a key role in the development of the first eukaryotic cells, as it involved the engulfment of one prokaryotic cell by another, leading to a mutualistic relationship. Through this process, mitochondria and chloroplasts, which are essential organelles in eukaryotic cells, were acquired. Without endosymbiosis, eukaryotes may not have evolved and the cellular diversity we see today would not exist.
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Which of the following can be used as lamp oil?
carbohydrates
lipids
nucleic acids
proteins
Answer;
-The most appropriate answer is Lipids
Explanation;
-Lipids is among the four biological biomolecules, the others being proteins, carbohydrates and nucleic acids.
-Lipids are made up of fatty acids and glycerol and are composed of elements carbon, hydrogen, oxygen and they may also contain phosphorus, like in the case of phospholipids which are mainly components of the cell membranes.
-They take two forms, namely; fats and oils. Therefore, the oil form of lipid may be used as lamp oil.
Answer: lipids
Explanation:
Lipids are the biomolecules that are made up of fatty acids and glycerol. These are primarily composed of elements such as carbon, hydrogen, oxygen, and phosphorus. The lipids are the basic components of the cell membranes. Lipids are the biomolecules produce in the body of both plants and animals. The lipids are of two major types:
1. Fats: These are the lipids which remain solid at room temperature.
2.Oils: These are the lipids which remain liquid at room temperature. For example the oil obtain from the fish, nuts and seeds of the plants.
On the basis of the above description, lipid is the correct option.
The majority of liquid fresh water within earth exists in ____________.
The daughter of a 79-year-old woman asks the nurse why her mother gets so many infections. the daughter states, "my mother has always been healthy, but now she has pneumonia. last month she got cellulitis from a bug bite she scratched. the month before she had a urinary infection. why does she seem to get sick so often now?" what is the nurse's best response?
"As we age, immune system weakens. Lifestyle, chronic conditions, medications affect susceptibility. Discuss with healthcare provider for personalized care."
1. "It's understandable to be concerned about your mother's recent health challenges. Several factors could contribute to her increased susceptibility to infections as she ages."
2. "One significant factor is the natural decline in the immune system's function as we grow older. This decline, known as immunosenescence, can make older adults more vulnerable to infections."
3. "Additionally, lifestyle factors such as diet, exercise, and sleep patterns can influence immune function. Changes in these areas over time may impact your mother's ability to fight off infections."
4. "Chronic medical conditions like diabetes, heart disease, or respiratory issues can also weaken the immune system, making individuals more prone to infections."
5. "Lastly, medications or medical treatments your mother may be receiving could suppress her immune system or alter her body's ability to fight infections."
6. "To address your concerns and ensure your mother receives the best care, I recommend discussing her medical history and current health status with her healthcare provider."
Some plants (grasses) tend to contain a greater concentration of chlorophyll than others (pines). can you develop a hypothesis to explain this? would it be testable?
Plants, like grasses and pines, may differ in chlorophyll concentration due to adaptation to light availability. Testing this hypothesis involves controlled experiments and field studies to compare chlorophyll levels and plant performance.
Hypothesis:
Plants with a greater concentration of chlorophyll, such as grasses compared to pines, may exhibit this difference due to their adaptation to light availability in their respective environments. The hypothesis suggests that plants in open, sun-exposed habitats (grasses) have evolved to capture and utilize light more efficiently for photosynthesis. In contrast, plants in shaded or coniferous environments (pines) may have adapted to lower light levels and, therefore, do not require as high a concentration of chlorophyll.
Testability:
This hypothesis is testable through controlled experiments and comparative studies. Researchers could grow grasses and pines under identical conditions, manipulating light intensity to simulate both open and shaded environments. Measurements of chlorophyll concentration, photosynthetic rates, and overall plant growth could then be compared between the two groups. Additionally, field studies comparing chlorophyll concentrations in natural habitats of grasses and pines under varying light conditions would provide observational evidence.
The hypothesis to explain the greater concentration of chlorophyll in some plants, such as grasses, compared to others, like pines, could be that grasses, being herbaceous plants, have a higher photosynthetic capacity due to their growth habit and habitat, which requires rapid growth and regeneration.
To test this hypothesis, one could measure the chlorophyll content per unit leaf area in both grasses and pines across various light conditions. Additionally, the photosynthetic rate could be measured to see if it correlates with chlorophyll content. If the hypothesis is correct, grasses should consistently show both higher chlorophyll content and higher photosynthetic rates than pines, especially in high-light conditions.
The hypothesis is testable through controlled experiments and field studies that measure chlorophyll content using non-destructive methods like chlorophyll meters or more accurate destructive methods involving pigment extraction and spectrophotometry. Photosynthetic rates can be measured using a portable photosynthesis system. By comparing these measurements across different light environments, one can determine whether the differences in chlorophyll content are adaptive to the light conditions in which the plants grow.
In summary, the hypothesis that grasses have evolved to have higher chlorophyll concentrations than pines due to their differing growth habits and light requirements is testable through direct measurements of chlorophyll content and photosynthetic rates under various environmental conditions.
What is the best definition of ETS reactions?A. a set of reactions that is used to create alcoholic beverages from grains B. a set of reactions that occurs in muscle cells when oxygen is absent C. a set of reactions that is the primary route of ATP production in cells D. a set of reactions that uses oxygen to break down glucose into pyruvic
What kind of stimulus travels from the motor neuron to skeletal muscle?
Middle-ear infections become __________ frequent in middle childhood because the eustachian tube becomes __________.
What kind of an experiment can you suggest to test your hypothesis?
Choose one concrete example of a cells response after its signal has been received and describe it.
Hector is back from his morning run and is feeling lightheaded because his energy is depleted. Which food item will provide him with a quick source of carbohydrates?
Answer:
Yams and Sweet PotatoesExplanation:
Carbohydrates are the organic compounds that is found in living tissues, foods and sugars, cellulose and starch. It contains hydrogen and the oxygen in the same ratio as water. It is broken down i n the human body to release energy. There are two types of carbohydrates: simple and complex. Sugars and refined carbs are the quick sources of energy. Yams and Sweet potatoes and dark chocolate and Bananas can be eaten for quick energy. Simple carbs can are easily digested and absorbed while the complex carbs take time.