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Related Questions
Which of the following helps protect biofilms from issues such as drying out and predators
a.) Extracellular polymeric substances
b.) Quorum sensing
c.) Becoming sessile
d.) Autoinducers
Answers
Extracellular polymeric substances help protect biofilms from issues such as drying out and predators. Option A
Biofilms are complex communities of microorganisms that adhere to surfaces and form a protective matrix. They can be found in various natural and artificial environments, such as riverbeds, medical devices, and plumbing systems. Biofilms provide advantages to the microorganisms within them, including protection from environmental stresses and predators.
One of the key components that helps protect biofilms is extracellular polymeric substances (EPS). EPS are complex mixtures of polysaccharides, proteins, and DNA that are secreted by microorganisms within the biofilm. These substances form a matrix that encases the cells, providing structural support and protecting the community.
EPS help biofilms resist drying out by retaining water and preventing desiccation. The polysaccharides in EPS can absorb and retain moisture, creating a hydrated environment within the biofilm even in dry conditions. This is crucial for the survival of the microorganisms within the biofilm.
Additionally, EPS serve as a barrier against predators. The matrix formed by EPS can make it difficult for predators, such as protozoa or grazing organisms, to access and consume the microorganisms within the biofilm. It acts as a physical defense mechanism, limiting the exposure of the microorganisms to predation.
While quorum sensing, becoming sessile (immobile), and autoinducers are all important mechanisms and processes associated with biofilms, they do not directly address the protection of biofilms from drying out and predators. So Option A is correct.
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How was hellenistic Greece influenced by Classical Greece?
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Classical Greece helped with the art and construction styles.
In a semi-conservative model of DNA replication, which of the following is true?
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Answer:
According to the semiconservative model, after one round of replication, every new DNA double helix would be a hybrid that consisted of one strand of old DNA bound to one strand of newly synthesized DNA. ... Each subsequent round of replication would then produce double helices with greater amounts of new DNA.
The semiconservative model, after one round of replication, every new DNA double helix would be a hybrid that consisted of one strand of old DNA bound to one strand of newly synthesized DNA. Each subsequent round of replication would then produce double helices with greater amounts of new DNA.
Why do they call it semi-conservative?This ]method is known as semi-conservative replication because two copies of the original DNA molecule are made, each copy conserving (replicating) the details from one half of the original DNA molecule.
Each copy has one actual strand and one newly-synthesized strand.
Thus, new DNA double helix would be a hybrid that consisted of one strand of old DNA bound to one strand of newly synthesized DNA.
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Chaining together allows phytoplankton to be more successful because
a. they can find their prey better as a group
b. they can protect themselves better as a group
c. they increase their cell wall thickness
d. they increase their surface area allowing them to float
Answers
Chaining together allows phytoplankton to be more successful because they can protect themselves better as a group. Hence, the correct option is B.
What are phytoplanktons?They are microscopic plant like organisms that float in the surface waters of oceans, seas, and freshwater bodies. They are an important component of the marine food chain.
Forming chains allows phytoplanktons by providing enhanced protection against predators, as they make it more difficult for small animals to consume individual cells.
Therefore, chaining is a significant adaptation for a phytoplankton as it enhances survival by protecting in their marine environment. Hence, the correct option is B.
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What effect does development, through erecting buildings and concrete pavement, have on the recharge of aquifers and the quality of the water?
Answers
Answer:
Infiltrate rate decreases and also water quality.
Explanation:
There is adverse effect of erecting buildings and concrete pavement on the recharge of aquifers and the quality of the water because the water is unable to infiltrate inside the soil due to concrete floor and the recharging of aquifers is not possible. These buildings and concrete pavements also reduces the quality of water due to degradation of sediments present in the building with the passage of time.
For this assignment, you will first research energy resources in your area. Next, you will gather
information about the political, economic, and environmental effects of the worldwide distribution and use
of the resources you use in your community. Then, you will develop a long-term sustainability plan for
your community. Finally, you will create a multimedia presentation of your sustainability plan.
Background Information
Many states and localities have a number of renewable and nonrenewable resources. Renewable
resources include those that can be replaced faster than they are used: solar power, wind power, timber,
and oxygen are just a few examples. Nonrenewable resources cannot be easily replaced. They are used
at a faster rate than they are created. These include oil, natural gas, coal, minerals, and precious metals.
Many states, municipalities, and businesses have sustainability plans. These are guidelines to avoid
depletion of natural resources to maintain balance in Earth's biological systems. As Earth's population
increases, humans will need to continually work to minimize their impact on the planet's resources. A
sustainability plan outlines specific actions and goals that will aid in this important work.
On a global scale, countries create their own sustainability plans because the global distribution of
resources have political, economic, and environmental effects. Their sustainable plans help them manage
resources and the effects of using these resources. The global distribution of resources also affects
states and communities. Sustainability plans involve details outlining how political, economic, and
environmental issues will be addressed.
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The sustainability plan for my community involves replacing non-renewable energy sources like cola with renewable energy sources like solar and wind energy.
What is a sustainability plan?A sustainability plan outlines strategies for sustaining the program, activities, and partnerships and serves as a road map for accomplishing long-term objectives.
A community sustainability plan serves as a guide for creating a location where people can live, work, and play that is socially just, economically viable, and environmentally sound.
Programs for recycling and composting, renewable energy initiatives, and the use of community green teams to identify and prioritize sustainability requirements are some examples.
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13. List three organizations or agencies in your area that are involved in the conservation and protection of the environment. Describe the purpose of each agency/organization.
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Answer:
Union of Concerned Scientists: Works for a healthier environment and a safer world. Through this renewal award, UCS conducts technical assessments on securing weapons material in the US.
Natural Resources Defense Council: Strives to rid our food, air, water, and household products from toxic chemicals. NRDC works to protect our world's oceans from pollution and exploitation.
Environmental Working Group: Protect human health and the environment and specializes in research and advocacy in the areas of agricultural subsidies, toxic chemicals, drinking water pollutants and corporate accountable.
Explanation:
Why is having cephalization an advantage in one area of the body, as opposed to spreading them out in each of the body regions.
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Cephalization is the concentration of sensory and nervous structures at the anterior (head) end of an organism. This concentration allows for more efficient and rapid processing of sensory information and quick responses to stimuli.
Having cephalization in one area of the body, specifically the head region, allows for the development of specialized sense organs, such as eyes and ears, which can better detect and process information. In addition, the concentration of neurons in the head region allows for more complex nervous processing, leading to greater cognitive abilities.
On the other hand, spreading out sensory and nervous structures throughout the body would lead to slower processing times and less specialization. This would not be advantageous in environments where quick responses to stimuli are necessary for survival, such as in predator-prey interactions or avoiding environmental hazards.
Therefore, having cephalization in one area of the body provides a significant advantage in terms of sensory processing, cognitive abilities, and survival.
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A forest has many trees and bushes that produce nuts. This a major food source for many species, including a
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The provided question is incomplete as there can be more than one answer to this question, however a generalized answer is given:
Answer:
Birds like wood pecker and jay, animals like monkey, chipmunks, and rabbits.
Explanation:
A forest is a large part of the land with various kinds of trees, bushes. In the forest various kind of animals, birds, and insects are found. All these diverse animals rely on trees, bushes, or each other for there food.
Many trees and bushes produce nuts in a forest that plays a major role in food source for many species of animals and birds such as jay and woodpecker bird. In animals chipmunks, monkeys and rabbits are major species.
Sound waves travel much then electromagnetic waves do
Answers
Answer:
That’s an interesting question
Explanation:
Huh let’s think???
Submission 3 Capstone Project: How can you make your community more environmentally sustainable? Below are 3 Crosscutting Concepts. Select two and provide an explanation for how your investigation/”research” on energy usage in the home addresses them.
1.Crosscutting Concepts Patterns: Observed patterns in nature guide organization and classification and prompt questions about relationships and causes underlying them. Explanation
2. Cause and Effect: Claim uses empirical evidence to differentiate between cause and correlation, and supports specific cause and effect relationships. Explanation
3.Explanation Stability and Change: Analysis and explanation of geoscience data and global climate models show that a change in one Earth system can result in feedbacks (negative or positive) that can stabilize or destabilize a system. Explanation
Answers
Crosscutting Concept: Patterns
Patterns observed in the natural world facilitate organization and classification, as well as raise inquiries about the underlying relationships and causes.
During my exploration of energy usage in residential settings, I discerned several discernible patterns. For instance, a prominent pattern emerged, indicating that the bulk of energy consumption in homes pertains to heating and cooling, followed by lighting and appliances. Moreover, I discovered that energy usage displays notable variations based on factors such as dwelling size, number of occupants, and climatic conditions.
These identifiable patterns enable us to comprehend the factors influencing energy consumption and identify avenues for conservation. By acknowledging that heating and cooling dominate energy use, we can channel our efforts towards enhancing the efficiency of these systems.
Patterns Cause and Effect?Utilizing empirical evidence, claims can differentiate between causal relationships and mere correlations, thus supporting the establishment of specific cause and effect linkages.
During my investigation into energy usage in residential environments, I employed empirical evidence to unveil distinct cause and effect associations. For instance, I observed a positive correlation between energy consumption and dwelling size. This relationship can be attributed to the increased energy requirements for heating and cooling in larger homes.
Similarly, I discovered that energy consumption rises alongside the number of occupants. This phenomenon arises due to the presence of more individuals utilizing appliances and lighting fixtures.
These cause and effect relationships foster a deeper comprehension of how our choices impact energy consumption. For instance, if we aspire to curtail our energy usage, we can opt for smaller homes or limit the number of occupants.
Crosscutting Concept: Stability and Change
Analysis and explication of geoscience data and global climate models reveal that modifications within one Earth system can yield feedback loops, which can either stabilize or destabilize the system.
Throughout my examination of energy usage in residential settings, I ascertained that alterations in a single energy-consuming appliance or behavior can trigger a chain reaction affecting other appliances and behaviors. Consider replacing inefficient light bulbs with energy-efficient alternatives; this simple change can prompt a behavioral shift to turn off lights when leaving a room, subsequently resulting in a substantial reduction in energy consumption.
These feedback loops empower us to comprehend how our choices can influence the environment. For instance, collectively opting for reduced driving can mitigate air pollution and greenhouse gas emissions.
By comprehending the crosscutting concepts of patterns, cause and effect, and stability and change, we can make informed decisions regarding energy usage. These choices enable us to diminish our environmental footprint and forge a sustainable future.
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When jaw become large enough to hold the permanent teeth . The milk teeth fall and permanent teeth appear
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The "exfoliation" or "shedding" of milk teeth is the name of the procedure.
What is the Dentition of Humans?The primary and permanent tooth sets make up the human dentition. Maxillary (upper) and Mandibular (lower) are the two opposing arches in which teeth are arranged. These can be split into their left and right halves along the midline (mid-sagittal plane).
Four Different Teeth Types and Their Purposes
The majority of individuals have 32 permanent adult teeth, which can be classified into four groups:
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blue eyes is nature or nurture?
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Answer:
Nurture.
Explanation:
Whether or not you get blue eyes depends on your parents and their genes.
what effect does exersise have on the nervous system
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Answer:
When you exercise it causes your muscles and your pearl your pures in your skin to produce sweat and cause pain to your nervous system telling you that is exhausting
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It increases heart rate, which pumps more oxygen to the brain. It aids the release of hormones which provide an excellent environment for the growth of brain cells. Exercise also promotes brain plasticity by stimulating growth of new connections between cells in many important cortical areas of the brain.
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Why do fats have higher caloric value than other organic molecules?
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Fats have higher calorific value. Fats have high energy than other molecules.
What is high calorific value?Calorific value, which is measured by measuring the heat generated by the full combustion of a particular quantity of a substance, is nothing more than the energy present in a fuel or food. Currently, this is typically given as joules per kilogram.
A device called a calorimeter is used to calculate calorific value. In order to determine how much heat was generated during combustion, a predetermined amount of the object being investigated is burned under carefully controlled conditions.
Therefore, Fats have higher calorific value. Fats have high energy than other molecules.
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What gives the eye its shape?
Answers
Explanation:
The vitreous body forms two thirds of the eye's volume and gives the eye its shape.
Use the skills to identify and describe evidence to support the idea that evolutionary relationships can be inferred through the comparison of anatomical structures to support which modern organism is most closely related to the tapir.
A: Evidence. List information from the skulls that you could use as support for the claim you identified in question 2.
(second image is question 2)
B: Reasoning. Use the evidence you listed above to write out a detailed argument in support of the claim answering the question, “which organism is most closely related to the tapir”. Remember that you are supporting the overall idea that evolutionarily relationships can be inferred through the comparison of the anatomical structures and traits.
Answers
Answer:
evidence towards the tapir
Explanation:
since a xray is required to abduct inffared images and structures of the tapir, you need comical evidence to use towards the tapir.
Which nation did the United States compete with during the Space Race?ChinaJapanthe Soviet Unionthe United KingdomMark this and return
Answers
Answer: Soviet Union
Explanation:
Answer:
I think it's "The Soviet Union"
a farmer growing wheat is in wheat and may hedge by wheat futures. group of answer choices short; long short; selling long; buying long; selling
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A farmer growing wheat is in wheat and may hedge by wheat futures long; selling.
In the field of finance, long selling (or going long) on a security or an investment implies that associate degree capitalist buys that security or investment with the prospect of keeping it for a few time as a result of he or she believes that its value (or value) goes to extend within the end of the day.
Wheat is used for breadstuff, pastries, pasta, and pizza, has been the principal cereal crop since the eighteenth century. Wheat was introduced by the primary English colonists and quickly became the most crop of farmers who sold-out it to urban populations and exporters.
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How can chain reactions be controlled during nuclear fission reactions?
Answers
PLEASE HELP DUE IN LIKE AN HOUR PLSSS
Answers
Answer:
how are they making you do that in an hour
Explanation:
which action destroys topsoil? mowing land adding nutrients to soil plowing land without replanting sowing seeds in land
Answers
Answer:
C).plowing land without replanting
Explanation:
When plowing is carried out without replanting, the topsoil is destroyed.
Top soil refers to the outermost part of the earth's crust upon which plants grow. All planting activities occur on the topsoil. The structure of the topsoil is very important in its support of plant growth.
Plowing is one of the important planting activities. However, If plowing is carried out without subsequent replanting, the topsoil is destroyed.
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In a diploid species of plant, the genes for plant height and fruit shape are syntenic and separated by 18 m.u. Allele D produces tall plants and is dominant to d for short plants, and allele R produces round fruit and is dominant to r for oval fruit. The expected percentages of progeny phenotypes are listed below:
tall oval = 41%
short round = 41%
tall round = 9%
short oval = 9%
(a) What proportion are expected to be tall and produce round fruit?
Answers
In a diploid plant species, the proportion of progeny expected to be tall and produce round fruit is 32%.
In a diploid species of plant, the genes for plant height and fruit shape are syntenic and separated by 18 m.u. The expected percentages of progeny phenotypes are tall oval = 41%, short round = 41%, tall round = 9%, and short oval = 9%.To determine the proportion of progeny expected to be tall and produce round fruit, we need to consider the alleles for each trait. Allele D produces tall plants (dominant) and allele d produces short plants (recessive). Allele R produces round fruit (dominant) and allele r produces oval fruit (recessive).From the given percentages, we can deduce that tall ovals and short ovals combined make up 9%. Since tall oval is 41% and short oval is 9%, the proportion of progeny expected to be tall and produce round fruit is 41% - 9% = 32%.Therefore, the proportion of progeny expected to be tall and produce round fruit is 32%.For more questions on diploid plant
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Sometimes patients with Dementia experience the inability to complete tasks.
Simple tasks such as getting dressed, brushing teeth, and eating become
overwhelming. This inability to perform familiar tasks is?
Forgetfulness
Agnosia
Apraxia
Delusions
Answers
Apraxia is the inability to carry out routine duties as they are explained in the context.
A neurological illness known as apraxia is characterised by the loss or impairment of the capacity to carry out or execute skilled or deliberate motions, even though the affected person is physically capable of doing so.
Apraxia in dementia patients might show itself as trouble with once-routine and familiar daily tasks like dressing, grooming, or eating. In contrast to other cognitive symptoms of dementia such as forgetfulness, agnosia (loss of sensory perception), and delusions, which are not explicitly connected to the inability to perform tasks, apraxia is separate from these symptoms.
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As a Marine Scientist, you want to find out if the length of the tail of
fish is the same length. what tools will you use to do the measurement
(give illustration)?
Answers
Answer: Pinch the tail fin closed and measure to the tip to get the total length. The tail fin is the fin at the end of the fish's body. Place your index finger on one tip of the tail fin and your thumb on the other. Then, squeeze the two tips together so they form a single point.
Explanation:
Zoning laws help prevent _______. a. new businesses from competing with old businesses b. new buildings from being developed c. new development from negatively impacting established businesses and residents d. new factories from being introduced in an area Please select the best answer from the choices provided A B C D
Answers
Answer:
c. new development from negatively impacting established businesses and residents
Explanation:
Answer:
c. new development from negatively impacting established businesses and residents
reasons why science teachers think practical sciences is a good thing.
rubric
identify reasons 4 marks
explanation and practical example 16 marks
Answers
Science teachers consider practical sciences to be a valuable component of science education for several reasons:
Hands-on Learning: Practical sciences provide students with the opportunity to engage in hands-on learning experiences. This approach allows students to actively explore and manipulate materials, conduct experiments, and make observations.
Example: In a biology class, students may conduct a dissection of a preserved specimen to study the anatomy and structure of organisms. By physically dissecting and examining the different organs and systems, students gain a tangible understanding of the subject matter.
Application of Theory: Practical sciences enable students to apply theoretical knowledge acquired in the classroom to real-world situations. By engaging in practical activities, students can bridge the gap between abstract concepts and their practical applications, fostering a more comprehensive understanding of scientific principles.
Example: In a chemistry class, students might perform experiments to understand chemical reactions and concepts like stoichiometry. By actually mixing and observing different substances, measuring quantities, and analyzing the results, students can see how theoretical concepts translate into practical applications.
Development of Scientific Skills: Practical sciences help students develop essential scientific skills, such as critical thinking, problem-solving, observation, data analysis, and communication. Through practical activities, students learn to formulate hypotheses, design experiments, collect and analyze data, draw conclusions, and communicate their findings effectively.
Example: In a physics class, students could design and conduct an experiment to investigate the relationship between force and motion. By planning the experiment, taking measurements, analyzing the data, and presenting their findings, students enhance their scientific skills and develop a deeper understanding of physics concepts.
Engagement and Motivation: Practical sciences often increase student engagement and motivation in science education. Hands-on activities provide a more interactive and dynamic learning environment, making science more interesting and accessible to students. It can spark curiosity, promote active participation, and cultivate a sense of wonder and excitement about the natural world.
Example: In an environmental science class, students may visit a local ecosystem to conduct field observations, collect samples, and analyze the data they gather. By immersing themselves in the real environment and actively participating in the scientific process, students are more likely to be motivated and engaged in their learning.
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why RNA chain is always transcribed on 3' to 5' template strand ?
Answers
Explanation:
RNA growth is always in the 5′ → 3′ direction: in other words, nucleotides are always added at a 3′ growing tip, . Because of the ANTIPARALLEL nature of the nucleotide pairing, the fact that RNA is synthesized 5′ → 3′ means that the template strand must be oriented 3′ → 5′.
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Please select either A, B, C, or D.Note: the awnser Is NOT B.(Info In picture)
Answers
The correct answer is C: Partially decayed vegetation is placed under high-pressure, anaerobic, acidic conditions.
The formation of peat occurs in very specific geographical locations that have certain conditions.
The area where peat formes must be waterlogged, a low pH (which implicates is acid), has a low nutrient availability and low oxigen supply. As a result, the decomposition of the organic matter happens at a low rate in an anaerobic condition and is incomplete.
As the decomposition is incomplete the partially decomposed matter remais in the area and starts to accumulate, and after that is becomes compacted.
This process changes te chemical and physical conditions of the ground in that area making it toxic for certain plants and as a result biodiversity is reduced in that location.
As of January 1, 2010 what is a legal requirement for a person born on or after january 1, 1988 to operate a vessel powered by a motor of 10 horsepower or greater in Florida waters
Answers
Florida law requirements are as follow.
What are the Florida law requirements?Florida law requires a person born on or after January 1, 1988, to use a vessel powered by a motor of 10 horsepower or more prominent on Florida waters to meet the following:
Successful realisation of an approved boating safety course.Possession of a Boating Safety Education Identification Card issued by the FWC.Thus, a legal requirement for an individual born on or after January 1, 1988, to use a container powered by a motor of 10 horsepower or more wonderful on Florida waters is possession of a Boating Safety Education Identification Card issued by the Florida Fish and Wildlife Conservation Commission (FWC) after the triumphant completion of an approved boating safety course.Learn more about the Florida Fish and Wildlife Conservation Commission at
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