A potent CNS stimulant, cocaine. Preterm labor, premature delivery, stillbirth, and abruptio placentae are only a few pregnancy effects linked to cocaine usage.
What causes anxiety in people?Your body's stress reaction frequently causes you to feel nervous. A variety of hormonal and physiological reactions are involved in this, which help you become ready to handle a real or perceived threat. Your body increases adrenaline production to get ready to fight or run from a threat.
How much time does anxiety last?An anxiety attack might last anywhere from a few hours to a few weeks. The following 10 suggestions are for you if your breakdown has been going on for a while and you need some respite. They won't only assist you in getting through this trying period.
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The steps to purifying DNA are listed below. Place them in order.
Burst cells open to release DNA
Isolate concentrated DNA
Collect cheek cells
Separate DNA from proteins and debris
Answer:
Explanation:
1. Collect cheek cells
2. Burst cells open to release DNA
3. Isolate concentrated DNA
4. Separate DNA from proteins and debris
the effects of toxic chemicals are minimized by which following three mechanisms
Answer:
Metabolic degradation, excretion, and repair.
Explanation:
Explain the limitation binomial nominclature (15 marks)
Answer:
- Binomial nomenclature is a widely accepted naming system, which is used in the naming of living things. Multiple native names make it extraordinarily tough to establish an organism globally and maintain an observation of the variety of species. Thus, it creates quite a lot of confusion. To eliminate this confusion, a normal protocol came up. According to it, every organism would have one scientific title which might be utilized by everybody to establish an organism.
What is binomial nomenclature?
Binomial Nomenclature follows a universally accepted naming system, which is used to provide a scientific name to a known organism.
Binomial Nomenclature also known as the binary nomenclature.
It uses two-terms during the nomenclature of a specie (plants, animals, and living organisms) that is why it called two-term naming system.
The scientific name of an organism or binomial nomenclature consists of two words, such as the generic epithet and describes the genus and the specific epithet and refers to the species of the organism.
Both of this term is written in italic and the genus name is capitalized.
Binomial nomenclature was given by Swedish botanist and physician Carl Linnaeus. He also called the founder of modern taxonomy.
Carl Linnaeus described and classified thousands of species of plants and animals in his book Systema Naturae.In this technique, there are particular guidelines that are followed while naming organisms. This normal algorithm is relevant to plants and animals whereas giving them distinctive names inside a given system.There are two worldwide codes such as the International Code of Botanical Nomenclature (ICBN) deal with the biological nomenclature for plants and the International Code of Zoological Nomenclature (ICZN) deal with the biological nomenclature of animals.
These two codes agreed upon by all of the biologists over the world for the naming protocol. These codes ensure that every organism will get a selected identity and that identity is globally recognized.
Summary of the limitation binomial nominclature:
- Some of the main drawbacks of binomial nomenclature are: If two or more names are actually in use in compliance with the priority rule, the appropriate name will be used first and the other names will end up being synonyms because authenticity is synonymous with the senior.
Why are predators often more affected by toxins in the environment (for example, higher mercury levels in large predatory fish, and higher DDT levels in falcons and condors)
Answer:
Others are persistent (they stay in the environment and do not break down). These substances accumulate in the food chain and damage the organisms in it, particularly in the predators at the end of the chain. This is because accumulating compounds cannot be excreted.
Explanation:
What is true of tectonic plates?
A. they are constantly moving
B. there are fewer and fewer of them
C. earthquakes cause them to move
D. they don't move for centuries at a time
Answer:
A. They are constantly moving
Explanation:
Plates are undergoing convergence at some point and divergence at other point you can understand through the example that the Eurasian plate and Indian plate undergone convergence and led to the formation of Himalayan mountains and the Tethys sea got vanished over a period of time but still the African and the Eurasian plates are undergoing convergence and the Mediterranean sea which is a remanent of Tethys sea over some million of years will be vanished and we'll find the same case that happened in Himalayan mountains.
We can consider one more example that is the Arabian plate that got separated from the African plate and now through the eastern rift valley region of Africa we can make out that the Somalian plate will get separate through the rest of the African plate over a period of time.
What happens when cyrosphere and atmosphere interact
Competition for resources can be particularly fierce when there are environmental stresses. These stresses can be caused by natural events leading to competition. List the FIVE categories of natural events.
Answer:
Avalanche.
Coastal Flooding.
Cold Wave.
Drought.
Earthquake.
Hail.
Pick any of these that you want to use
what does it mean for a cell membrane to be selectively premeable? a. it blocks the passage of most substances b. it allows only water molecules to pass through it c. it allows molecules to pass through if they are under a certain size d. it allows some substances to pass through but blocks the passage of others
d. it allows some substances to pass through but blocks the passage of others
in which generation gametophyte or sporophyte do the following belong
Which shows the correct order of processes for fungi to reproduce sexually
Answer:
C
Explanation:
Pregunta urgente ¿Que son horiciones? No se si es de biología o de ciencias
Answer:
Explanation:
Heres where to get your answer
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The chemical level of an organization is ?
Answer:
The chemical level of organization is the simplest level. It includes the building blocks that make life possible. Atoms bind together in various combinations to form molecules that take up several essential functions of life.
Explanation: Hope this helps can I please have brainliest.
For Phase 1, the therapeutic modalities used generally will be ones that decrease blood flow.
O a. True
O b. False
Answer:
A.TRUE
yan po yung answer
Help stepbro im stuck in the washer
Answer:
I'LL HELP YOU......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................NOT
Select all that apply
Effectors include:
Multiple select question.
Nerves
Glands
Muscle
Sensors
What are the technological building blocks required to fulfill the future plans of the industrial biotechnology? Also state the number of key horizontal issues that need to be addressed when these future plans are implemented?
Answer:
The components are:
Maximizing investments in research and development, preservation of natural resources that are essential in research, skilled labor.
The horizontal issues that need to be addressed are: Constant climate change, demand for food and population growth.
Explanation:
Industrial biotechnology is responsible for the use of microorganisms and biological structures that enable the creation of bio-based products capable of meeting numerous human needs. Currently, the biggest challenges for industrial biotechnology is to position itself in a future where climate changes are increasingly intense, which causes an environmental imbalance that reduces the resources needed for human well-being. In addition, unrestrained population growth and the growing demand for food are also proving to be a major challenge.
To overcome these challenges, technological components capable of making biotechnological products solve these problems are necessary. These components can be found from investments in research, labor capacity and optimization of the natural resources we have.
How many molecules of CO2 are needed to generate one molecule of glucose?
6CO2+6H2O⇒C6H12O6+6O2
Imagine you are a paleontologist trying to find the “missing link” between different species. In three to five sentences, create a fictional narrative about your discoveries, describing: 1) what two species, mythical or real, you are studying, 2) what evidence you have linking these species, and 3) what evidence you have to define different correlations and causations that support your hypothesis.
september would the earth be experiencing a solstice or an equinox
how do you know
In September the earth will be experiencing an equinox
Equinoxes occur between March and September. When the Sun's rays strike the equator at midday and at a 90° angle, it is considered an equinox. It stands for the idea that day and night have equivalent lengths. The sunset and dawn are separated by 12 hours everywhere on Earth. One may observe how quickly the sunset and dawn hours shift throughout the day the farther one goes from the equator.
Whereas, solstices occur in June and December. The contrary is visible close to the solstices. For a few days, both the sunset and sunrise appear to be constant. Over the course of the year, the time of day when the sun is directly overhead where one lives also gradually changes.
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Use the Internet to find the SDS for regular bleach (sodium hypochlorite, 4-6%).
Identify each of the following items on the SDS:
Physical state
Routes of exposure and symptoms
Required protective equipment
First aid procedures
Fire-fighting measures
Chemical reactivity
Safe storage
Safe disposal
Environmental precautions and ecotoxicity
Spill cleanup procedures
Record the SDS information for each of the items listed in step 2 into Data Table 2.
The features of Safety Data Sheet (SDS) for regular bleach (sodium hypochlorite, 4-6%) is illustrated below.
What is Safety Data Sheet (SDS)?The Safety Data Sheet (SDS) is defined as an occupational safety and health sheet used as a source of information concerning harmful chemical substances in order to avoid life threatening situations while using them.
The following can be identified in the Safety Data Sheet (SDS) for bleach (sodium hypochlorite, 4-6%).
Physical state: clear light yellow green liquid.
Routes of exposure and symptoms: Eyes, skin, mucous membranes. Causes eye and skin irritation and possible burns.
Required protective equipment: Eyes;Wear chemical splash goggles. Skin; Wear appropriate protective gloves to prevent skin exposure. Clothing; Wear appropriate protective clothing to prevent skin exposure
First aid procedures: Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.
Skin: Get medical aid immediately. Immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse. Destroy contaminated shoes.
Fire-fighting measures: As in any fire, wear a self-contained breathing apparatus in pressure-demand and full protective gear.
Chemical reactivity: Sodium hypochlorite solutions decompose slowly at normal temperatures releasing low concentrations of corrosive chlorine gas. Decomposition is influenced by temperature, concentration, pH, ionic strength, exposure to light and the presence of metals.
Safe storage: Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Safe disposal: Chemical waste generators must determine whether a discarded chemical is classified as a hazardous waste.
Environmental precautions and ecotoxicity
Environmental precautions and ecotoxicitySpill cleanup procedures: It has not been proven to be a treat to the environment.
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After ingestion and digestion by the lactase enzyme, the monosaccharides glucose and galactose are taken up by cells of the small intestine.
Order these molecules from lowest to highest ability to pass through a phospholipid bilayer:
Group of answer choices
glucose, water, molecular oxygen, a sodium ion
a sodium ion, molecular oxygen, glucose, water
molecular oxygen, water, a sodium ion, glucose
glucose, a sodium ion, molecular oxygen, water
a sodium ion, glucose, water, molecular oxygen
The order of the molecules from lowest to highest ability to pass through a phospholipid bilayer is: molecular oxygen, water, a sodium ion, glucose.
The ability of molecules to pass through a phospholipid bilayer depends on their size, polarity, and charge. Here's the order from lowest to highest ability to pass through a phospholipid bilayer:
1. Molecular oxygen (O2) - small and nonpolar, can easily pass through.
2. Water (H2O) - small and polar, can pass through but slower than molecular oxygen.
3. A sodium ion (Na+) - small but charged, has difficulty passing through without help from channels or transporters.
4. Glucose - large and polar, has the lowest ability to pass through without help from specific transport proteins.
So, the correct order is: molecular oxygen, water, a sodium ion, glucose.
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Analyze the graphs below. Which growth model would apply to a population of squirrels arriving on a new island? Assume the squirrels have no way to leave.
A logistic growth model is most appropriate for expanding squirrel populations to new islands.
Give a brief account on logistic growth model.A logistic growth model is one that incorporates carrying capacity to show how growth slows when a population reaches a point where the amount of resources is limited. As the population grows, the organism's population reaches the carrying capacity and stays there. This is the maximum population the environment can support.
Population grows more slowly as it approaches carrying capacity (K), or the maximum population that the surrounding area can support according to the population logistic model. According to this declaration, all members of the population have equal access to resources and chances of survival.
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Which of the following are organisms? (Choose all that apply)
bacteria
plants
animals
nucleus
atoms
ribosomes
A water quality manager takes four samples from different locations in a local river that supplies the town's drinking water. The following types of indicators are found in the water samples.
Location 1 - Heavy metals and POPs
Location 2 - Detergents and carcinogens
Location 3 - POPs and detergents
Location 4 - Fertilizers and heavy metals
Which location has the most substances that could bioaccumulate in the local population?
- Location 1
- Location 2
- Location 3
- Location 4
After taking and analyzing the four samples described, the water quality manager can conclude that the organisms in location 4 present the most bioaccumulation of contaminants.
Bioaccumulation is an organism's ability to absorb substances from the water which is then stored in the cells of that organism. Once consumed by a predator, this substance is passed along the food chain, affecting the entire ecosystem.
Of the substances listed, the ones able to be bioaccumulated by organisms are:
Fertilizers Heavy metals.This leads us to the conclusion that the area with the most bioaccumulative substances in the water is location 4, and fishing should not take place in this location.
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What traits do you think mice have to help them escape from owls
Answer:
Speed.........................................
Describe Patterns Explain in your own words how sharks have changed throughout
their evolutionary history and suggest some reasons why these changes may have
occurred. Think about the shark species you saw in this lab and how they differ and how
they are the same.
Answer:
HOPE IT HELPS
Explanation:
Sharks have been around for over 400 million years, and throughout their evolutionary history, they have undergone a variety of changes. Some of these changes include the development of more streamlined bodies, the evolution of different teeth shapes and sizes, and the development of more efficient swimming techniques. These changes may have occurred due to a variety of factors, such as changes in the environment, changes in food sources, and competition with other species.
For example, the shark species I saw in this lab, the Great White Shark, has a unique set of adaptations that allow it to be an efficient predator. Its streamlined body and powerful tail allow it to swim quickly and efficiently through the water, while its sharp teeth and keen senses help it to locate and capture prey. Other shark species, such as the Hammerhead Shark, have evolved unique head shapes that help them to detect and capture prey in different ways. These adaptations may have evolved due to differences in food sources or competition with other species. Overall, the evolutionary history of sharks is complex and fascinating, and studying these patterns can help us to better understand how species adapt and evolve over time.
Sharks have undergone significant changes throughout their evolutionary history. Over millions of years, they have adapted and diversified to occupy various ecological niches in the marine environment. These changes can be observed in their anatomical features, reproductive strategies, and feeding habits.
One reason for the changes in sharks' evolutionary history is the need to exploit different food sources and habitats. Sharks have evolved different teeth shapes and jaw structures to suit their preferred prey, ranging from small fish to large marine mammals.
Additionally, changes in body shape and fin structure have enabled them to be efficient swimmers in different environments, such as open ocean or shallow coastal waters.
Another reason for evolutionary changes in sharks is competition and predation pressure. As new species emerge and ecosystems evolve, sharks have had to adapt to survive and thrive in changing conditions. Natural selection favors individuals with advantageous traits, leading to the emergence of new species and the extinction of less adapted ones.
In the lab, different shark species may exhibit variations in size, coloration, fin shape, and behavior. These differences reflect their evolutionary adaptations to specific environments and ecological roles.
Despite these variations, all shark species share common ancestry and basic characteristics such as cartilaginous skeletons, powerful jaws, and an efficient swimming ability, which have been refined over millions of years of evolution.
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September would the earth be experiencing a solstice or an equinox
how do you konw
i will give a brainlist for the corrent anwer
In September the earth will be experiencing an equinox
Equinoxes occur between March and September. When the Sun's rays strike the equator at midday and at a 90° angle, it is considered an equinox. It stands for the idea that day and night have equivalent lengths. The sunset and dawn are separated by 12 hours everywhere on Earth. One may observe how quickly the sunset and dawn hours shift throughout the day the farther one goes from the equator.
Whereas, solstices occur in June and December. The contrary is visible close to the solstices. For a few days, both the sunset and sunrise appear to be constant. Over the course of the year, the time of day when the sun is directly overhead where one lives also gradually changes.
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Which describes a group of organisms that are members of species
Pls help QUICK, ill give all my points!
How will this impact the population of cricket frogs over time?
The graph shows the population of alligators and insects in a pond ecosystem where cricket frogs live.
Decreases because the number of predators increases
Increases because the number of predators increases
Decreases because the number of prey decreases
Increases because the number of prey decreases
Limiting factors are the biotic and abiotic environmental elements that model a species population size affecting their carrying capacity. They might be density dependent or density independent. A) Decreases because the number of predators increases.
What is a limiting factor?
Limiting factors are all the environmental elements, biotic and abiotic, that act directly on populations and individuals, limiting their distribution and growth.
Limiting factors might be either
density dependent ⇒ depend on population sizes and interactions (competition, predation, parasitism)density independent ⇒ occur independently of population size (human activities or natural disasters)These factors affect the carrying capacity, influencing on natality and mortality rate, migration, etcetera.
In the exposed example, alligators and insects are density dependent biotic limiting factors, meaning they affect the frogs population size.
Alligators (predator)Insects (food)In the image, we can see that from year 1 to year 5,
The insect population remained constant in size. During this period, they could not affect frog population size because they were a permanent source of food.The alligator population increased significantly during this period. As predators, they did affect frog population size because the more alligators, the higher the predation rate was.
So, the significant increase in predation rate (due to the increase in the alligator population) means a direct decrease in the frog population size, even if they have available food.
The correct option is A) frogs population will decreases because the number of predators increases.
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I need help putting these in order!
Based on the information provided, the order in which the events described took place is E, A, B, C, F, D.
How did Earth and life formation occur?In this sequence of events, Earth was formed first, this occurred as Earth cold down and therefore it became solid. Despite this, the existing atmosphere was different than the one we have now as it was rich in carbon dioxide, this led to oceans that were rich in the same component.
Due to this, the first life forms relied on carbon dioxide and release oxygen, which later led to an increase in the oxygen levels and different life forms.
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