Biological membranes are selectively permeable as it allows only some substances and molecules to pass into or leave the cell. Selective permeability is defined as ability of the cell membrane to allow certain substances to pass through while keeping others out. Molecules can selectively pass through the cell membrane, small hydrophobic molecules and gases like oxygen and carbon dioxide cross membranes rapidly. Small polar molecules, such as water and ethanol, can also pass through membranes, but they do so more slowly.
Plasma membranes allow certain substances to enter and leave a cell, while preventing harmful material from entering and essential material from leaving. In other words, plasma membranes are selectively permeable they allow some substances through but not others.
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What process during the water cycle would cause
the air in the bag to appear cloudy?
A. Boiling
C.
Evaporation
B. Freezing
D. Precipitation
Answer: D
Explanation:
Precipitation is the process during the water cycle that would cause the air in the bag to appear cloudy. Precipitation refers to the process in which water falls from the atmosphere to the Earth's surface in the form of rain, sleet, hail, or snow. When precipitation falls, the water droplets, or ice crystals in the case of sleet or snow, become suspended in the air, making it appear cloudy.
How do you change the range of cells that a conditional formatting rule applies to.
How to change a range of cells that have conditional formatting:
Click the area that contains the conditional formatting rule that you want to change.On the Home tab, click Conditional Formatting.Click Manage Rules.Select a rule, then click Edit Rule.Make the changes you want, click OK, then click OK again.Conditional formatting is a feature used to give a special format to cells that meet certain rules in a range or table in Microsoft Excel. By using conditional formatting in Excel, it allows users to perform large amounts of data analysis.
Some of the benefits of conditional formatting such as:
Ranking the proportion of values by color so that it is easy to know which is the highest and lowest value and the middle value.Generally used to rank values using Sort & Filter, but Sort & Filter can change the column position.Mark a minus value. Coloring the minus value with red can help someone interpret the visualization results.Measuring the level of the community's economy, annual population growth, income from sales, and so on.So, change the range of cells where conditional formatting rules are applied: Click the desired area → click Conditional Formatting → Click Manage Rules → click Edit Rules → Make desired changes → click OK → then click OK again.
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Please Help! I Have Limited Time!
Look at the following diagram of the carbon cycle.
Which of the following facts is best represented by the arrows pointing down from F?
A. The energy stored in atmospheric carbon dioxide is conserved because it is transformed to energy present in decomposed plants.
B. The energy consumed by animals in the form of glucose is conserved because it is used to create new forms of energy present in decomposed animals.
C. The energy stored in decomposed plants and animals is conserved because it is used to create new forms of energy present in decomposed plants and animals.
D. The energy stored in decomposed plants and animals is conserved because it is converted into chemical energy present in fossil fuels.
In the carbon cycle, the arrow pointing down from F best represents the fact that the energy stored in decomposed plants and animals is conserved because it is converted into chemical energy present in fossil fuels, option D.
What is the function of dead organism in the carbon cycle?Carbon is produced by living and dying marine organisms ranging from marsh plants to fish, seaweed to birds. Dead organisms can become fossil fuels over millions of years. Massive amounts of carbon dioxide are released into the atmosphere when humans burn these fuels for energy.
When dead organisms and other organic materials decompose, carbon dioxide is released. Carbon dioxide is produced when organic materials, such as fossil fuels, are burned. Carbon moves much slower through geological processes like sedimentation.
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Which molecule has codons and is used to tell trna which amino acid is needed?
The molecule has codons and is used to tell tRNA which amino acid is needed is anticodon.
What is tRNA?tRNА is а type of RNА thаt is folded into а specific three-dimensionаl structure. It cаrries аnd trаnsfers аn аmino аcid to the polypeptide chаin thаt the ribosome is аssembling.
One end of the tRNА contаins аn аnticodon, а sequence of three nucleotides thаt is complementаry to the three nucleotides in the corresponding codon on the mRNА. Eаch аnticodon is specific to one аnd only one codon. By binding its аnticodon to the complementаry mRNА codon, the tRNА аcts аs аn аdаpter, bringing into position the correct аmino аcid thаt is needed for the polypeptide chаin.
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What is the exact amount of the energy input required to begin the process of cellular respiration?
Answer: The process of cell respiration has an input cost of 2 ATP and a total possible output of 38 ATP per molecule of glucose oxidized.
Explanation:
Which process results in unique gamete cells?
Meiosis, a type of cell division results in the unique gamete cells.
Meiosis is the process of cell division where one parent cell gives rise to 4 daughter cells. In this, the number of chromosomes are reduced to half than that in the parent cell and this is why meiosis is also called the reductional division. Meiosis can be accomplished in two phases: meiosis I and meiosis II.
Gametes are the reproductive cells of an organism. There are two types of gametes: the male gamete called the sperm and the female gamete called the egg or ovum. These are produced by the process of meiosis sand therefore are haploid in nature.
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Which of the following is the smallest?
a. mitochondrion
b. prokaryote
c. virus
d. protein
e. robosome
Answer:
prokaryote
Explanation:
Prokaryote size range from 0.1 to 5.0 micrometers .
Choose if the following is a biotic or aboitic factor:
Sunlight
Sunlight is the main source of energy on Earth, which makes it an extremely important abiotic factor. Sunlight is necessary for photosynthesis, the process by which plants convert carbon dioxide (CO2) and water to oxygen (O2) and sugar – food for the plants that later becomes food for animals.
A student wants to test if giving dogs a toy to play with makes their tail wag more. He gives dog toys to one group, while another group of dogs does not get any toys. He counts the number of times each dog wags their tail.
Dogs who get toys is the experimental group, if a student wants to test if giving dogs a toy to play with makes their tail wag more, hence option B is correct.
What is an experiment?The experiment is the observation or procedure, which is carried out in controlled conditions, it is a testable method.
Student gives dog toys to one group, while another group of dogs does not get any toys, to test their tail wag more.
Then he counts the number of how many times dogs wag their tail, to observe the experimental group.
Therefore, Dogs who get toys are the correct option.
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The given question is incomplete so the most probable complete question is,
A student wants to test if giving dogs a toy to play with makes their tail wag more. He gives dog toys to one group, while another group of dogs does not get toys. He counts the number of times each dog wags their tail. Which is the experimental group?
A) Dogs who wagtails
B) Dogs who get toys
C) Dogs who don't get toys
What goes first with organ ,epithelial tissue ,epithelial cell and organ system
Epithelial tissue lines the organs of the body, including the lungs, heart, and stomach.
Is epithelium an organ system?Epithelium, endothelium, and mesothelium are three types of epithelial cell sheets that line your internal organs, and body space and form the outer layer of your skin. Epithelium generally lines alleyways that are open to the external environment, such as your respiratory area and digestive system.
Glandular epithelial tissue is also established as part of the glands, including hormone-manufacture organs like the liver, pancreas, and spleen. Epithelial tissues are widespread all around the body. They form the covering of all body surfaces.
So we can conclude that Simple epithelial tissues are normally classified by the shape of their cells.
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diferencia entre epidemia pandemia y endemia
La diferencia entre epidemia, Pandemia son endémicas:
Epidemia: Una epidemia ocurre cuando una enfermedad infecciosa se propaga rápidamente a muchas personas.
Pandemia: Una pandemia es un brote global de enfermedad que afecta a un gran número de personas en varios países o continentes.
Endémica: Una endémica es una enfermedad que está constantemente presente en una determinada población o área geográfica.
¿Qué es epidemia?
La epidemia es la ocurrencia de una enfermedad que afecta a un gran número de personas en una población dada durante un cierto período de tiempo. Se diferencia de una epidemia, que es un brote de una enfermedad en particular entre un gran número de personas en un área en particular, generalmente dentro de un corto período de tiempo. La epidemia generalmente es causada por una enfermedad contagiosa, como un virus o una bacteria, y puede propagarse rápidamente a través de regiones geográficas o incluso continentes.
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Which is the BEST summary of Passage 1?
Officials care about their image when oil spills
occur. They use dispersants to push oil deeper into
the water, which causes more damage.
Boats are sometimes responsible for oil spills.
Dispersants can break up oil, but skimming and
burning are sometimes better choices.
Oil spills have consequences for wildlife and
people. Cleanup methods have downsides, which
means it is often best to leave spills alone.
Spilled oil makes a shiny layer on water that can
cover birds and enter food chains. Areas affected
by oil spills can recover.
The summary of the passage is that the oil spill has to be cleaned through effective methods otherwise it can damage the food chain by blurring bird's vision forming shiny layer on water surface.
Oil skimming: how effective is it?Before disposing of wastewater, oil skimmers are conceivably the most efficient and economical way to remove oil. Despite these benefits, not all power plants have oil skimmers.
Who is accountable for oceanic oil spills?More than 90% of the chronic oil slicks in the ocean are caused by human activity, a team of Chinese and American scientists who built the first worldwide map of such slicks discovered.
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How many branches of Ag are there?
18
1
8
7
Agronomy is one of 20 important branches of agriculture. Horticulture. Plant genetics and breeding.
What forms of agriculture are there?What are the Four Agriculture Types? The four different types of agriculture are shift cultivation, subsistence agriculture, pastoralism, & intensive farming. Agriculture has become the most pervasive activity despite its unpredictability.
What are the Seven agricultural sectors?Food and beverage production, food and beverage retail, food services, eating and drinking establishments, textile, garment, and leather goods, as well as forestry and fishing, are all allied industries to agriculture.
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what is the name of the part of dna where dna replication starts ?
Answer:
the nucleus
Explanation:
I think this is correct
After common ragweed etched Japan a century ago and escaped their leaf beetle predators, populations of the plants evolved reduced investment in defense and greater investment in growth. During the past 30 years ragweed leaf beetles have appeared in some parts of mainland Japan. Which of the following scenarios is most likely now happening as a result?
A. Japanese ragweed is evolving greater investment in defense and greater investment in growth bc both defense and growth are beneficial
B. Japanese ragweed is evolving back toward greater investments in defense and reduced investment in growth as a result of selection by herbivore from beetles
C. Japanese ragweed is not evolving a new investment strategy bc it takes more than a couple of decades for a popular to evolve
D. Japanese ragweed is not evolving a new investment strategy bc the beetles no longer eat the plants
The outcome that is currently most likely is option B. As a consequence of herbivore choice via beetles, Japanese ragweed is reverting to an evolution that prioritises defence above expansion.
In the aster family, the category ragweed, or Ambrosia, has roughly 40 varieties of weedy perennials (Asteraceae). North America is home to the majority of species. The biggest source of hay fever in eastern and middle North America is ragweed pollen, that is produced in large quantities in early spring.
A creature which mostly consumes plants is a herbivore. The size of a herbivore can range from small insects like aphids to enormous, hulking rhinos. The food chain, which describes the species that consume other creatures in the wild, is largely composed of herbivores.
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What does the notation RR mean to geneticist Brainly?
Answer:
Homozygous Dominant
Explanation:
__________ are chemicals that enhance urinary output.
Chemicals known as diuretics improve urine output. Water is expelled from the body by substances called diuretics.
The body might be pushed to absorb a variety of diuretics chemicals to improve the urinary system. Diuretics: A diuretic is a medication that works by causing the kidneys to produce more pee. Diuretics overflow the patient's bladder, which leads to increased frequency of urination as well as the potential for urinary urgency and incontinence.
The antidiuretic hormone is the hormone that causes facultative water reabsorption (ADH). Increased water channel insertion in the epithelial layer caused by the antidiuretic hormone allows water to pass through to the distal convoluted tubule and collecting duct.
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Which physical adaptations increase an organism's chances of finding food?
the armored plates of an armadillo
the bright black feathers of a male ostrich
the thin, needle-like beak of the hummingbird
the color of grasshoppers
Hummingbirds have evolved to survive in locations with harsh winters and limited food sources. They do this by lowering their metabolism and entering a dormant state.
How is metabolism carried out?
Metabolic process: converting food into energy. Metabolism is the term used to describe the process by which the body transforms food and liquids to energy. Calories from beverages and foods mix with oxygen during this process to produce the energy the body requires. Even when in rest, a body still needs energy to perform all of its activities.
Is a rapid metabolism beneficial?
Benefits of having a fast metabolism include the ability to burn carbohydrates more rapidly than someone who has a high metabolism. A rapid metabolism might make it challenging to gain weight or maintain a healthy diet, though.
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how do pieces of hard candy model the formation of new rock
We created a model of sedimentary rock by applying pressure to the candy using the book. This is comparable to the natural formation of sedimentary rock.
When layers of rock are built up, pressure causes the sediment to change into sedimentary rock. Erosion, weathering, dissolution, precipitation, and lithification are the main geological processes that result in the formation of sedimentary rocks.
Sedimentary, igneous, and metamorphic rocks are the three main categories of rocks. Each of these rocks is the result of physical processes that are a part of the rock cycle, such as melting, cooling, eroding, compacting, or deforming. Rock fragments from other types of existing rocks or organic material are used to create sedimentary rocks.
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What effect might the destruction of the rainforest have on the climate?
Trees take in carbon dioxide and traps it into tissues and soil while at the same time releasing oxygen into the atmosphere. The removal of trees significantly reduces the rate of this process, resulting in higher carbon dioxide in the atmosphere and lower natural oxygen levels.
Definition of Rain ForestRain forest is a type of forest that grows in the tropics. As the name implies, this forest which has the nickname wet forest is never absent from rain. In other words, it is a forest that has a high rainfall intensity.
This forest has a long rainy season, with up to 1,200 millimeters of rain per year. The existence of this high rainfall, causing the dry season in forest areas to be very short. In some places, there is no dry season at all.
The average rain that falls in this area is around 50 to 250 inches each year. Air humidity in this forest area which is always wet averages 77% to 88%.
In warmer years, the forest areas rarely get above 33 degrees. The temperature is generally below 20 degrees Celsius.
Just like primary forest, rainforest is a forest that has fertile soil. This forest has a layer of humus that is formed from green leaves that decay on the ground surface.
Therefore, it is not surprising that scientists claim that because of the fertility of the soil, this forest is inhabited by more than half of the plant and animal species on earth.
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Compare and contrast spermatogenesis and oogenesis in human cells. Drag the appropriate items to their respective bins.
While oogenesis aids in the development of ova, spermatogenesis results in the production of sperm. A zygote is created when sperm and ova are fertilized, and this zygote then grows into an embryo.
What features of spermatogenesis and oogenesis are similar?Both spermatogenesis and oogenesis are types of meiosis, which is one of their main commonalities.
What features of spermatogenesis and oogenesis are similar?Both spermatogenesis and oogenesis are types of meiosis, which is one of their main commonalities. Additionally, the nomenclature of the various spermatogenesis and oogenesis cell stages are largely the same (-gonium, primary -ocyte, secondary -ocyte). The similarities virtually stop here, though.
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I really need help I'm about to fail biology. I included the background story and question.
Frequency of tuskless elephants in females: 78/260 = 0.3 (30%), Frequency of tuskless elephants in males: 27/270 = 0.1 (10%) and Overall frequency of tuskless elephants: (78+27)/530 = 0.2 (20%).
What is Frequency?Frequency is a measure of how often a periodic event occurs in a given period of time. It is typically measured in hertz (Hz), which is the number of occurrences of a repeating event per second. Frequency is an important concept in physics, engineering, and many other fields of study. Frequency can also be used to describe the rate at which a signal or waveform is changing over time. In audio applications, this is often referred to as the pitch of a sound. Frequency can also be used to describe the rate of a periodic process or system, such as a heartbeat or a vibrating string.
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An attack on an abortion clinic would MOST likely be carried out by a(n):
An attack on an abortion clinic would most likely be carried out by d)single issue group.So,correct option is d.
Attack on abortion clinic which is also called as anti-abortion violence. Anti-abortion violence is brutality dedicated against people and associations that perform early terminations or give fetus removal directing. Episodes of savagery have included annihilation of property, including defacing; violations against individuals, including seizing, following, attack, endeavored endlessly murder; and wrongdoings influencing the two individuals and property, including illegal conflagration and psychological oppression, like bombings.
Hostile to fetus removal fanatics are viewed as an ongoing homegrown fear monger danger by the US Division of Equity. Most recorded occurrences have happened in the US, however they have likewise happened in Australia, Canada, and New Zealand.
Single issued group always try to attack on abortion clinic as per the reports.They found abortion as an illegal practice and consider it as a crime.
Hence,correct option is d.
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(Complete question) is:
An attack on an abortion clinic would MOST likely be carried out by a(n):
a. violent religious group.
b. extremist political group.
c. doomsday cult.
d. single-issue group.
the immune system of an individual who is allergic to dust mite waste produce
Answer:
The answer to your question is ⇔ (1) Specialized chemicals that mark dust mite waste for destruction.
Explanation:
I hope this helps and have a wonderful day!
Answer:
Explanation:
A dust mite allergy can range from mild to severe. A mild case of dust mite allergies may cause an occasional runny nose, watery eyes, and sneezing. in severe cases, the condition may be ongoing (chronic) resulting in persistent sneezing, cough, congestion, facial pressure, an eczema flare-up, or severe asthma attack.a couple with no children want to determine the probability that they could have 7 girls in row like their neighbor
According to the given statement 128 possibilities are possible out of 27.
What is the likelihood that all of the children will be female?To begin with, since there is a 50% chance that a child will be a girl, there is a 1/8 possibility that all three will be females. Make a list of every outcome alternatively, arranged by age.
A set of seven objects has how many permutations?The provided collection of letters (a, b, c, d, e, f, and g) has seven possible permutations. and is 5040. Let's look at how we'll apply the ideas of permutation and combinations to get the number of configurations.
According to probability
probability = 1/2^7
= 1/128
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The complete question is -
What is the probability If a family a couple with no children want to determine the probability that they could have 7 girls in row like their neighbor ?
In the movie they obtained DNA from different source, what were those sources? What other sources would be preferable? What sources would you avoid? Why?
In the movie they obtained DNA from different source that are blood spots, saliva, hair and teeth.
What other sources would be preferable to obtain DNA ?Other sources would be preferable to obtain DNA can be:
semensalivaurinefecesbonetissue and cells.What sources would you avoid? One should not take the sample from the comb used by multiple persons. As it can be the source of inaccuracy in the DNA test results. DNA:A polymer composed of specifically two polynucleotide chains that coil around one another resulting in a double helix which is called as deoxyribonucleic acid. Every known species of organism and some of the viruses have genetic information in these polymer which is necessary for their development, operation, growth, and reproduction. Nucleic acids consist DNA and ribonucleic acid.
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The goblet cells secrete mucus
Describe the role of mucus and cilia in the trachea ?
How can conservation scientists use the bleaching risk and climate change models to improve strategies for protecting coral reef ecosystems?
science
Conservation scientists can use bleaching risk and climate change models to improve strategies for protecting coral reef ecosystems in several ways:
1. Identifying vulnerable areas: The models can be used to identify areas of the coral reef ecosystem that are at a high risk of bleaching due to rising sea temperatures, which can help conservationists prioritize their efforts in those areas.
2. Developing early warning systems: The models can be used to predict when and where bleaching is likely to occur, which can help conservationists develop early warning systems to respond quickly and mitigate the damage.
3. Establishing protected areas: The models can be used to identify areas that are relatively less affected by climate change and establish them as protected areas to ensure the preservation of coral reefs.
4. Assessing the effectiveness of conservation strategies: The models can be used to assess the effectiveness of different conservation strategies, such as coral transplants and marine protected areas, in protecting coral reefs from bleaching and other climate change impacts.
5. Adaptation planning: Models can help predict future changes in temperature and other conditions and inform decision-making for coral reef management and conservation strategies.
ABNORMALITIES OF HEART VALVES CAN BE DETECTED MORE ACCURATELY BY AUSCULTATION THAN BY ELECTROCARDIOGRAPHY. WHY IS THIS SO?
Heart valves is responsible for causing extra heart sounds that can be heard with a stethoscope. ECG is responsible for measuring electrical activity.
Electrocardiogram (ECG) is recorded touching the body surface and registers the differences in electrical potential generated by the heart. These signals are recorded on basis of action potentials generated by millions of cardiac cells and their activation sequence .
An electrocardiogram (ECG) is normal test that can be used to check rhythm of heart's and other electrical signals . in this process Sensors gets attached to the skin for detection of the electrical signals each time your heart beats.
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[Anatomy, Ear] Are the sounds that travel most of the length of the cochlea (high) or (low) pitches?
High-pitched noises are picked up by the cochlea because they traverse most of its length. Higher-pitched noises, are picked up by hair cells towards the broad end of the cochlea.
Electric impulses created by the movement are carried to the brain through the auditory nerve. As a result, high-pitched noises, like a baby wailing, are picked up by the sensory cells located close to the cochlea's outer end.
When an item vibrates quickly, high-pitched noises are created. The cochlea is stimulated differently depending on the sound frequency. The cochlea towards the base, for instance, is stimulated by higher frequency sounds like birds singing.
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