Answer:
It allows some molecules to pass through but prevents others from doing so.
Explanation:
What is distinctive about Bhutan?
How does Bhutan’s government prioritize environmental ethics?
What features of Bhutan’s environment and energy use allow it to be carbon negative?
According to Tobgay, why are countries that once ignored Bhutan’s carbon negative pledge now impressed by it?
Tobgay discusses concrete indications that climate change has an impact on people. What do these include?
Do you think some of the environmental policies in place in Bhutan could be adapted to work in the United States? Which ones?
The answers include the following below:
Bhutan is distinct because of its steep mountains and deep valleys and unique philosophy of gross national happiness. Bhutan’s government prioritize environmental ethics by preserving 60 percent of its land under forest cover all the time.The feature of Bhutan’s environment and energy use which allow it to be carbon negative is that more than 70% of the country is covered in trees which acts as carbon sinks.Countries that once ignored Bhutan’s carbon negative pledge now are impressed by its impact on people.The concrete indications that climate change has an impact on people is the rising oceans and general food insufficiency.Some of the environmental policies in place in Bhutan could be adapted to work in the United States such as allowing energy use to be carbon negative.What is Climate change?This is referred to as the long-term shifts in temperatures and weather patterns and is caused by the emission of greenhouse gases such as carbon dioxide etc.
Bhutan has been able to prioritize environmental ethics by preserving 60 percent of its land under forest cover all the time so as to reduce carbon emission and also to check the issue of climate change which is prevalent in the world.
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Why is there difference in the absorption spectrum of intact leaves from that of chlorophyll suspensions.
The absorption spectrum of intact leaves is different from that of chlorophyll suspensions because the intact leaves contain different pigments such as carotenoids, anthocyanins, in addition to chlorophyll, which are also absorbing light in different regions of the spectrum, and because chlorophyll is present in leaves as part of larger structures, such as chloroplasts, which can affect its absorption properties.
Chlorophyll is the main pigment responsible for the absorption of light energy in photosynthesis, and it absorbs light primarily in the blue and red regions of the spectrum. However, the absorption spectrum of chlorophyll is also affected by the presence of other pigments in leaves, such as carotenoids and anthocyanins.
In addition, chlorophyll is present in leaves as part of larger structures, such as chloroplasts, which can affect its absorption properties. Chloroplasts are surrounded by thylakoid membranes, which contain pigments such as carotenoids and phycobiliproteins that also absorb light.
The absorption spectrum of an intact leaf is the result of the combined absorption of carotenoids and phycobiliproteins pigments, as well as the effect of the thylakoid membranes on the absorption of light by chlorophyll.
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Which one of the following answers is not one of Koch’s postulates on causality? a. The organism must be observed in every case of disease.
b. The organism must be isolated and grown in pure culture. c. The pure culture must, when inoculated into a susceptible animal, reproduce the disease. d. The organism, must be observed in, and recovered from, the experimental animal. e. The organism must produce a dose-response relationship.
Koch's postulates on causality are not one of the following replies; the organism must be monitored in every case of sickness.
What is excluded from Koch's postulates?Viruses (which are obligatory intracellular parasites) and asymptomatic carriers are more recent notions in microbial pathogenesis that cannot be studied using Koch's postulates.
The one that best explains Koch's postulate?These are Koch's postulates: Each and every instance of the sickness must be caused by the bacteria. The germs must be separated from the diseased host and raised in pure culture. If a healthy susceptible host is infected with a pure culture of the bacteria, the specific sickness must be replicated.
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two components of a cell NEED IN 5 MIN FOR BRINLIEST 0-0
Answer:
A cell has three main parts: the cell membrane, the nucleus, and the cytoplasm.
Explanation:
Hope it helps:)
1.) State five mode of transmission of diseases causing organism.
Answer: viruses, bacteria, fungi, protozoa, and helminths (worms).
Explanation:
Answer:
Direct contact, fomites, aerosol (airborne), oral (ingestion), and vectorborne.
Extra:
Some microorganisms can be transmitted by more than one route.
Hope it helps! :)
Meiosis _________ the parental chromosome number.
A. mixes up
B. halves
C. maintains
D. doubles
Meiosis halves the parental chromosome number. Here option B is the correct answer.
Meiosis is a type of cell division that reduces the number of chromosomes in a cell by half. The process of meiosis generates four haploid cells, each with half the number of chromosomes of the original cell.
Meiosis occurs in cells that produce gametes, such as sperm and eggs, and is responsible for the variation in genetic traits that can occur in offspring.
During meiosis, the chromosomes pair up and exchange genetic material through a process called crossing over. This exchange of genetic material generates new combinations of genes, increasing the genetic diversity of the resulting cells.
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Please help!! I DONT understand what its asking to do:
The image does not show orders of insects. Suggest three categories of insects that would likely
be grouped into orders. Hint: think about what kind of insects there are. Add your three categories to The image.
Taxonomy groups individuals into different categories according to their characteristics, evolution, and relationship with different organisms. In the exposed example, the three insecta orders are Odonata, Lepidoptera, and Coleoptera.
What is taxonomy?
Taxonomy is the study of different organisms, their classification into categories according to their morphological and molecular characteristics and their evolutionary relationships, and assigning to each of them a binomial name.
The categories where organisms are classified are:
Domains are the highest taxonomic category in which living beings can be grouped or divided. There are three domains: archaea, bacteria, and eukarya.Kingdom: Includes different phyla closely relates. The bacteria domain includes the Eubacteria kingdom. The archaea domain includes the archaebacteria kingdom. Finally, the eukarya domain is divided into four kingdoms: Protist, Fungi, Plantae, and Animalia.Phylum: Includes different classes closely related.Class: Includes different orders closely relates.Order: Includes different families closely relatedFamily: Includes different genera closely relatesGenus: Includes many species.SpeciesIn the exposed image, we have many organisms from the animalia kingdom, grouped into different phylums, classes, orders, families, genus, and species.
One of the phylums emerging from kingdom animalia is phylum arthropoda.
Arthropoda is divided into two classes, one of them is insecta.
Now, we need to suggest three possible insecta orders. These are,
Order OdonataOrder LepidopteraOrder ColeopteraSo, in the image, from class insecta you can open three arrows and write each of these orders.
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During exercise, energy demand in the muscles increases. Which other body system directly
provides for this demand?
circulatory
nervous
skeletal
integumentary
When you engage in routine exercise, your muscles will produce Adenosine Triphosphate from both blood glucose and stored glycogen liver glycogen cannot be used directly ATP. However, this capacity is quickly depleted.
ATP: What Is It?All living things include the crucial "energy molecule" adenosine 5′-triphosphate, also known as ATP and typically written without the 5′-. It is a coenzyme specifically used to deliver energy to cells by generating its phosphate groups in conjunction with enzymes like ATP triphosphatase.
How does ATP become an energy source?Adenosine diphosphate, or ADP, is what it is termed if it contains two phosphates. Adenosine triphosphate, which releases electrons when one of its three phosphate securities breaks off to form ADP, is the universal power source for all living cells. Lipmann concentrated on phosphate bonds as that of the key to ATP being this source of energy.
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how might one determine the influence of caat boxes on the transcription rate of a given gene?
Measuring transcription rate and determining the effect of CAAT boxes on it can be done through techniques such as quantitative PCR and ChIP-qPCR, which can measure the amount of RNA and protein bound to the CAAT box, respectively.
In more details, One way to determine the influence of CAAT boxes on Measuring transcription rate and determining the effect of CAAT boxes on it can be done through techniques such as quantitative PCR and ChIP-qPCR, which can measure the amount of RNA and protein bound to the CAAT box, respectively.
In more details, One way to determine the influence of CAAT boxes on transcription rate is by measuring the amount of RNA (messenger RNA or mRNA) that is transcribed from a given gene. This can be done using quantitative PCR (qPCR) or RNA-seq, which can quantify the amount of mRNA present in a sample. Another way to determine the influence of CAAT boxes on transcription rate is by measuring the amount of protein that binds to the CAAT box. This can be done using ChIP-qPCR (chromatin immunoprecipitation followed by qPCR), which can measure the amount of a specific protein bound to a specific DNA sequence. These techniques can be used to compare the transcription rate and protein binding in samples with and without CAAT boxes and determine their effect on gene expression. is by measuring the amount of RNA (messenger RNA or mRNA) that is transcribed from a given gene. This can be done using quantitative PCR (qPCR) or RNA-seq, which can quantify the amount of mRNA present in a sample. Another way to determine the influence of CAAT boxes on transcription rate is by measuring the amount of protein that binds to the CAAT box. This can be done using ChIP-qPCR (chromatin immunoprecipitation followed by qPCR), which can measure the amount of a specific protein bound to a specific DNA sequence. These techniques can be used to compare the transcription rate and protein binding in samples with and without CAAT boxes and determine their effect on gene expression.
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The female emperor penguin lays an egg and gives it to the male to keep warm on his feet in his pouch.
Answer: well yes male emperor penguins tend to take care of the egg while the female hunts
Explanation:
In tomatoes, tall vines (T) are dominant to dwarf vines (t), and red fruit (R) is dominant to yellow fruit (r).
A farmer mates a homozygous tall, red tomato plant (TTRR) with a heterozygous tall, red tomato plant (TtRr).
What is the percent chance that the offspring will be dwarf plants with yellow fruit?
In this observation, the percent chance that the offspring will be dwarf plants with yellow fruit is 0%.
What is a dihybrid cross?In the question cross between a homozygous tall, red tomato plant (TTRR) with a heterozygous tall, red tomato plant (TtRr).
Cross between: TTRR X TtRr
Gametes: (TTRR) - TR
(TtRr) - TR, Tr, tR, and tr
Phenotype: TTRR TTRr TtRR TtRr
The percent chance that the offspring will be dwarf plants with yellow fruit is 0%.
The cross is attached in the image below.
Therefore, dwarf plants with yellow fruit would be - ttrr that is not produced in this cross, so dwarf plants with yellow fruit is 0%.
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What would be a typical phenotypic monohybrid ratio in which a lethal allele is involved?
O 13:5
O 2:1
O 9:3:3:1
O 3:1 (it is not this one)
O 6:2:3:1
2:1. Alleles that result in the death of the carrying organism are known as lethal alleles sometimes spelled lethal or lethals.
They frequently arise from mutations in genes required for growth or development. Depending on the gene or genes involved, lethal alleles may be dominant, recessive, or conditional. A monohybrid cross occurs when two organisms with distinct variants at the same genetic locus are bred. Two or more variations for a single gene's position control the character(s) under study in a monohybrid cross.
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Sustainable development provides for human needs while still preserving ecosystem services. Do you think hydroelectric power, an important renewable source of electricity world-wide, meets these criteria?
Yes, hydroelectricity is a significant renewable energy source that has been developed to meet human requirements.
What are the 3 main focuses of sustainable development?Harmonizing three key factors—economic growth, social inclusion, and environmental protection—is essential for sustainable development. All of these factors are important for the welfare of people and society and are interrelated.
What primary goal does sustainable development have?The Sustainable Development Objectives (SDGs) seek to alter the course of global affairs. They serve as a demand for action to eradicate poverty and injustice, safeguard the environment, and guarantee that everyone can live in peace, justice, and prosperity. ensuring that the basic requirements of future generations are likewise met.
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The decomposed organic matter is called_____
O Callose
O Callus
O Litter
O Humus
The decomposed organic matter is called humus.
Humus is the dark, organic material found in soil that is formed by the decomposition of plant and animal matter. It is made up of a mixture of decomposed plant material, microorganisms, and other organic matter. Humus is important for soil health as it improves soil structure, increases water-holding capacity, and provides essential nutrients to plants.
Humus also plays a role in carbon sequestration, helping to reduce the amount of carbon dioxide in the atmosphere. Humus is a key component of healthy soils and is necessary for the growth of healthy plants and a thriving ecosystem.
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what would you expect the δg values to be for the two steps in the uncoupled reaction.
Approximately +1.3 kcal/mol is the delta G values to be for the two steps of the uncoupled process.
Chemical processes known as "uncoupled reactions" lack an energy-transfer intermediary state. The combining of glucose and fructose to generate sucrose is an example of an uncoupled process. Due to the large energy required, this reaction is thermodynamically undesirable.
The fluid-structure interaction is considered in a linked analysis. Although more accurate, such analysis is frequently difficult and time-consuming. An "uncoupled" study applies the blast loads to the structure in a different analysis after estimating them using empirical equations. G represents the shift in free energy.
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Which of the following is not a correct association of 3 lipid molecule and its specific function? Select one: a. beeswax: main structural component of the bee honeycomb b. phospholipid; main component of fats and oils C. wax: waterproof covering of plant leaves d, testosterone: steroid involved in muscle development in males e. cholesterol: stabilize cell membrane of animal cells
The following incorrectly associates three lipid molecules with their respective functions. Wax: waterproof covering of plant leaves.
Which three functional classes do nucleotides have?Nucleotides are units that repeat and make up each chain of the double helix. Three functional groups, a sugar, a triphosphate, and a nitrogenous (nitrogen-containing) base, make up a single nucleotide.
Which 3 lipids make up the membrane?Phospholipids, cholesterol, and glycolipids are the three main groups of membrane lipid molecules. The inner and outside monolayers of a cell membrane have diverse lipid compositions, which reflects the varied roles played by the two sides of the membrane.
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In the diagram below of the ara operon, what is the sugar composition of the media?
O Glucose and arabinose are present O No glucose, but arabinose is present O Glucose present and no arabinose O No glucose and no arabinose
Option D, No glucose and no arabinose is the sugar composition of the media.
In the case of the ara operon, if there is no glucose or arabinose present in the media, the operon will not be active. The ara operon is a genetic regulatory system that controls the expression of genes involved in the metabolism of arabinose, a sugar that is structurally similar to glucose.
The operon is controlled by a repressor protein that binds to a specific DNA sequence, called the operator, and prevents the transcription of the genes in the operon.
When arabinose is present in the media, it binds to the repressor protein and changes its shape, preventing it from binding to the operator.
This allows the genes in the operon to be transcribed and the enzymes needed to metabolize arabinose to be produced.
If glucose is present in the media, the cells will use it as a preferred energy source and won't need to express the ara operon. If neither glucose nor arabinose is present in the media, the operon will not be active, and the enzymes needed to metabolize arabinose will not be produced.
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As the concentration of Greenhouse gases in the Earth's atmosphere increases:
O air quality on Earth will improve.
O less solar radiation will be absorbed.
O the Earth will become cooler.
O the Earth will become warmer.
Jellyfish:
What force do the stinging cells sting at?
Jellyfish are transparent and made up of 95 percent water, so you’d think there isn’t much to them.
What is transparent?If an item or substance is transparent, light can pass through it completely and you can see clearly through it. Transparent materials are used in many products and objects, including glasses! Glass and plastic are two materials that are frequently used to make transparent objects. These things allow light to pass through easily, so you can see clearly through them.
Glass is used to make windows because of this. The commonplace items lightbulbs and mirrors are also made of transparent materials.Translucent objects allow some light to pass through them, but because the light is scattered, it is difficult to see clearly through them.
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Attracting animals The bright colors and sweet smell of flowers attract animals that help the plant to Multiple Choice O disperse seeds. O spread pollen. O avoid herbivory.
The bright colors and sweet smell of flowers attract the animals that help the plant in the dispersal of pollen grains .
Insects are drawn to flowers' vivid colors and sweet scents, where they settle (plant). In this procedure, insects' surfaces are covered in pollen. The pollen is released when they rest on another bloom. The pollination process involves this. Insects pollinate the majority of flowers.
What is pollination?Transferring pollen grains from a flower's male anther to its female stigma is the process of pollination. Every living thing, including plants, strives to produce progeny for the following generation.
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Atmospheric co2 from the past 500000 years is measured by looking at
Answer:
ocean cores
Explanation:
Which of the following describes the signal reception part of the cell communication pathway
A signaling component that comes from outside the cell is picked up by a cell. the cell communication pathway's portion for receiving signals
What are the communication pathways?A message pathway in a communication diagram connects the roles or things represented by the diagram's lifelines. The interaction's pathway determines the components that can send messages.
Which five communication cycles are there?Idea generation, encoding, channel selection, decoding, and feedback are the five processes in the communication process.
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Which of the following events In gene expression control does not occur In the nucleus? Muitiple Choice chromatin condensation MRNA translation DNA transcrIptlon mRNA processing transcriptlon factor binding
Among the mentioned options, mRNA translation does not occur in the nucleus.
Based on central dogma, the cell follows replication of DNA for division, transcription of mRNA for protein formation. The DNA is made of chromatin and hence is found in nucleus. Therefore, replication, transcription and mRNA processing occurs in the nucleus.
mRNA processing is done to protect the mRNA from degradation when it goes to ribosomes for translation. Transcription factors are proteins that bind to DNA and help in initiating the cellular response through protein formation.
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The following data were obtained in a study of an enzyme known to follow Michaelis-Menten kinetics: V0 Substrate added
(mol/min) (mmol/L)
_____________________
217 0,8
325 2
433 4
488 6
647 1.000
______________________
The K_m for this enzyme is approximately:
O 1mM
O 1,000mM
O 2mM
O 4mM
O 6 mM
The K_m for this enzyme is approximately 2mM of an enzyme known to follow Michaelis-Menten kinetics. A broad description of the speed and basic mechanism of enzyme-catalyzed reactions is provided by Michaelis-Menten kinetics.
The term was first stated in 1913 and presupposes that an enzyme and its substrate quickly and irreversibly form a complex. It also presupposes that the complex's concentration directly correlates with how quickly the product, P, forms. When the substrate concentration is very high and all the spots on the enzyme molecules where catalytic activity may occur are filled with substrate, the rate of this reaction is at its highest. These correlations serve as the foundation for all kinetic studies of enzymes and have also been used to examine how carriers affect how chemicals are transported through cell membranes.
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a mutation can produce a different beak size of the new beak size is better at food collection the birds that have it will survive longer and reproduce more
A more or less permanent change to the genetic code (the genome) of a cell in a living thing or of a virus that can be passed on to the descendants of the original cell or virus.
What is mutation?A somatic mutation—a change in the DNA of a body cell of a multicellular organism—can be passed on to progeny cells by DNA replication, resulting in a sector or patch of cells with defective function, such as cancer. Germinal mutations, which occur in the egg or sperm cells, can cause an individual's progeny to have all of their cells have the mutation. This frequently results in some catastrophic dysfunction, like in the case of a human genetic disorder like cystic fibrosis.
This is an example of natural selection, where certain traits that are beneficial for an organism's survival and reproduction are more likely to be passed on to future generations. In this case, the mutation that produces a larger beak size is beneficial for food collection, so birds that have this trait are more likely to survive and reproduce. Over time, this can lead to the prevalence of birds with larger beak sizes in a population.
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Write the three factors that affect surface
ocean currents.
1. Wind direction.
2. Coriolis forces from the Earth's rotation.
3. Position of landforms that interact with the currents.
Hope this helps you!!
The three main parts of the cell are the nucleus, the cell membrane, and the _____.
Answer:the cell membrane, the nucleus, and the cytoplasm.
Explanation:The cell membrane surrounds the cell and controls the substances that go into and out of the cell. The nucleus is a structure inside the cell that contains the nucleolus and most of the cell's DNA. It is also where most RNA is made.
fill in the blank.while research is still being conducted to identify beneficial species of bacteria, two species,___and___, are known to be beneficial. lactobacillus sp.; escherichia sp. bifidobacterium sp.; staphylococcus sp. lactobacillus sp.; bifidobacterium sp. bifidobacterium sp.; enterococcus sp.
while research is still being conducted to identify beneficial species of bacteria, two species, Lactobacillus and Bifidobacterium are known to be beneficial.
SO , the correct option is C ;
Acidophilus can be used as a probiotic to help your body's healthy bacteria develop. Acidophilus may also aid in the treatment of a number of medical disorders such as digestive problems, yeast infections, and eczema.
Now that you understand how probiotics operate, let's look at three popular strains: Lactobacillus plantarum, Lactobacillus brevis, and Leuconostoc mesenteroides.
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HELP!!!!!!!!!!!!LIMITED TIME!!!!!!!!!!!!!!!
Given the following phylogenetic tree, which group of invertebrates
evolved the earliest in the Earth's history?
Select one:
Arthropods
Flatworms
Sponges
Cnidarians
. The atomic number (Z) of an element is the number of protons in the nucleus of atoms of that element. Because the net charge on an atom is zero, the number of protons is equal to the number of electrons. Thus, the atomic number also gives the number of electrons in a neutral atom. The mass number (A) of an atom is the total number of nucleons (protons plus neutrons). Therefore, the number of neutrons in an atom can be found by subtraction:
The atomic number (Z) of an element is the number of protons in the nucleus of atoms of that element.
What is atomic number?Atomic number is an important property of all chemical elements. It is the number of protons in the nucleus of an atom and is unique for each element. Protons have a positive charge and are the smallest particles that make up an atom.
This number is unique to a given element and is used to identify it. Since the net charge on an atom is zero, the number of protons is equal to the number of electrons. Therefore, the atomic number also gives the number of electrons in a neutral atom.
The mass number (A) of an atom is the total number of nucleons (protons plus neutrons). It is also sometimes referred to as the atomic mass number. The number of neutrons in an atom can be found by subtracting the atomic number from the mass number:
Number of neutrons = Mass number (A) - Atomic number (Z)
For example, the mass number of carbon-12 is 12, and its atomic number is 6. Therefore, the number of neutrons in carbon-12 is 6 (12 - 6 = 6).
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