The term "greenhouse gas" refers to a group of gases that also includes carbon dioxide, methane, nitrous oxide, ozone, and organic substances known as chlorofluorocarbons (CFCs).
What role does ozone play in the greenhouse effect?Two things happen to the Earth's temperature equilibrium as a result of atmospheric ozone. The UV energy from the sun is absorbed by it, warming the stratosphere. Infrared light from the Earth's surface is also absorbed by it, which effectively traps heat in the troposphere.
Carbon dioxide, methane, nitrous oxide, hydrochlorofluorocarbons (HCFCs), hydrofluorocarbons (HFCs), and ozone in the lower atmosphere are the principal greenhouse gases whose concentrations are growing.
The Inventory of US Emissions, published by EPA, keeps track of all US emissions.
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What problem would most likely occur if a haploid cell attempted to perform meiosis.
Why do cockroaches want the liquid at the base of the clusia flowers
Answer:
Nectary-like bodies situated at the floral base seem to stabilize the shape of the flower additionally.
17. All organisms are composed of
a. Diatoms
b. Cellulose
C.
Cells
d. None of the above
Answer:
All organisms are composed of cells
Acellus
Which of these is a true null hypothesis?
A. Are teens better at math than adults?
B. age has no effect on math ability
Answer:
A
Explanation:
A hypothesis has to be a statement.
Answer:
B. Age has no effect on math ability
Explanation:
I did this on Acellus before
A biologist discovers a new signal transduction pathway in fruit flies that involves a protein kinase cascade. As part of a grant proposal he writes to obtain funding for further work on this pathway, the biologist proposes research to look for phosphatase enzymes. Why?.
The biologist must find the enzymes that control the process by removing phosphate groups from signaling cascade components.
The addition or removal of phosphate groups in the signal transduction pathway frequently leads in protein activation. Protein kinases are enzymes that transfer phosphate groups from ATP to proteins. Many relay molecules in a signal transduction route are protein kinases, and they frequently interact with other protein kinases in the pathway. This frequently results in a phosphorylation cascade, in which one enzyme phosphorylates another, which phosphorylates yet another protein, resulting in a chain reaction.
While protein kinases add phosphate group to the pathway, phosphatase enzyme removes a phosphate group from its substrate protein's phosphorylated amino acid residue. Protein phosphatases are the signal transduction pathways off switch. When the signal is no longer available, the signal transduction pathway must be turned off to guarantee that the biological response is properly controlled. Hence, it is expedient for the biologist to add the phosphatases to the proposal.
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What was significant to darwin about the fauna and flora of the galápagos islands?.
The significant to darwin about the fauna and the flora of the galápagos islands is The species were similar to the South American species, indicating the common descent, but they had been the extensively modified and were well-adapted to the island life
in Galapagos he found a remarkable population of the plants, birds and the reptiles that had been developed as isolation from the mainland, but they often differed on the almost identical islands next door to one of another and whose characteristics that he could only explain by the gradual transformation of the various species. Over time, the Darwin began to wonder if the species from the South America that had reached the Galapagos and then he changed as they had adapted to new environments. This idea—that species and that could be change over the time—eventually this led to Darwin's theory of evolution by the natural selection
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which area of biotechnology involves tracking and confirmation of the spread of disease? a. aquatic biotechnology b. regulatory biotechnology c. agricultural biotechnology d. bioremediatoin e. forensic biotechnology
Agricultural biotechnology involves tracking and confirmation of the spread of disease.
What is biotechnology ?The application of organisms, cells, their components, and molecular equivalents for goods and services is known as biotechnology, which is the merging of natural sciences and engineering sciences. In 1919, Károly Ereky coined the phrase "biotechnology," which he used to describe the utilization of living organisms in the manufacturing of goods from raw materials.
The term "biotechnology" refers to a broad range of practices for altering living things for human benefit, dating back to the domestication of animals and the cultivation of plants, as well as "improvements" made to these through breeding programs that use artificial selection and hybridization. The technologies of cell and tissue culture, as well as genetic engineering, are also used today. According to the American Chemical Society, biotechnology is the use of biological organisms, systems, or processes by a variety.
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Tay sach is due to the presence of enzyme that is inverted in the catabolism of which thing
Tay sach is due to the presence of enzyme that is inverted in the catabolism of fatty substance.
Tay sach- The enzyme beta-hexosaminidase A is deficient as a result of the genetic mutation that causes Tay-Sachs disease. The fatty compound GM2 ganglioside must be broken down in order for this enzyme to function. The brain and spinal cord's nerve cells are harmed by the accumulation of fatty substances.
Mutation- A mutations are changes to an organism's DNA sequence. Errors in Replication of DNA during cell division, exposure to mutagens, or viral infection can all cause mutations.
DNA- The molecule found inside cells that carries the genetic material necessary for an organism to grow and operate.
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What does 'angiosperm' mean and what structures do these plants contain differently from gymnosperms?
which of the statements explains how an oxygen-rich atmosphere became possible on earth? photosynthetic organisms have existed on earth longer than heterotrophs. rates of carbon fixation and respiration are equal. rates of oxygen consumption are lower than rates of photosynthesis. the number of plants is greater than the number of animals.
Rates of oxygen consumption were lower than rates of photosynthesis. As there is more oxygen in the atmosphere than carbon dioxide, photosynthesis happens more quickly than oxygen is used up.
The most advanced life on earth would have been green microbial slime without oxygen, according to research author David Catling. Fortunately, some bacteria were able to split water into hydrogen and oxygen in the early oceans. In fact, photosynthetic organisms still undergo this separation today.
They use the sun's energy to split the molecules of water, using the hydrogen they release as a byproduct to make organic compounds like carbohydrates.
According to conventional thinking, enormous amounts of this hydrogen-rich organic waste eventually became buried under the ground, allowing oxygen to build up in the atmosphere.
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explain the role of photosynthesis in thw flow of energy between the plant and ghe person shown in the diagram.
Photosynthesis has a role in the cycling of matter and flow of energy into and out of organisms. The flow of energy and cycling of matter can be traced. The chemical reaction by which plants produce complex food molecules (sugars) requires an energy input (i.e., from sunlight) to occur.
moreover, trap stress can include long captivity times, increased density, increased predatory behavior among trapped organisms, exposure to harmful environmental conditions, and increased wounding through handling or attempted cannibalism.
Long captivity times, increased density, increased predatory behavior among trapped organisms, exposure to harmful environmental conditions, and increased wounding from handling or attempted cannibalism can all contribute to trap stress.
Sources of stress Organisms in captivity:
Organisms kept in artificial habitats face a variety of potentially provocative environmental problems. This article addresses many of the potential stress that can adversely affect Organisms in captivity. Includes abiotic environmental stress sources such as surfaces.
In addition, inclusion-specific stressors are considered, such as restrictions on movement, reduced shelter space, forced proximity to humans, reduced opportunities for feeding, being in unusual social groups, and other restrictions on opportunities for behavior will be.
Studies that support the claim that these environmental elements are stress in captive Organisms do not demonstrate a distinct sequence of behavioral or physiological responses that clearly indicate the cause of these responses.
Rather, it is up to us, as captive Organisms managers and caretakers, to evaluate enclosures and husbandry practices to ensure the optimal welfare of the Organisms in our care.
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Consider one of the procedures where amylase and starch are reacting. If there is strong amylase activity and it is breaking down starch, then you would assign an enzyme activity level of ________.
Answer:
Activity level of 3
Explanation:
To evaluate the enzyme activity you might observe the amounts of starch remaining in a solution or the enzyme activity. Both of them can be done qualitatively by adding substances such as iodine to the sample, which will express, through different degrees of the blue color, the enzyme activity level. So,
no enzymatic activity ----------------> level 0
low enzymatic activity ---------------> level 1
moderate enzymatic activity ------> level 2
High enzymatic activity --------------> level 3
Need help on this fast
If the percent by mass of oxygen in sucrose is 51.3%, then how many grams of oxygen are there in 100.0 g of sucrose?
______________ g
use correct sigfigs or your answer will be marked incorrect by the computer
51.41 grams
:) I hope you get it right.
The chemical formula for sucrose is C12H22O11. There are twelve carbon atoms, twenty two hydrogen atoms and eleven oxygen atoms.
Sucrose:
The chemical formula for sucrose is C12H22O11. Atomic mass of carbon is 342.3 g/ mol.
342.3 g of sucrose contains 51.3 % of oxygen.
So, 100 g of sucrose will contain x % of oxygen.
342.3 = 51.3
100 = x
x= 51.3 * 100/ 342.3
x= 5130/ 342.3
x= 14.9 % of oxygen.
Therefore, The chemical formula for sucrose is C12H22O11. There are twelve carbon atoms, twenty two hydrogen atoms and eleven oxygen atoms.
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how do enzymes interact with other molecules to affect a chemical reaction?
bind molecules using stronger covalent bonds instead of weaker ones
break down to release energy to be used in binding molecules
hold molecules in specific orientations to allow for chemical bonding
freely bind with any molecules that come near the enzyme freely bind with any molecules that come near the enzyme
Enzymes interact with other molecules to affect a chemical reaction by binding their substrates and holding them in a particular orientation (Option 3 is correct).
What are enzymes?Enzymes are specific proteins (or also RNA in the case of ribozymes) that bind substrates in the active site domain in order to speed up chemical reactions, which is achieved by lowering the activation energy of the reaction in a process that may release energy.
Enzymes can specifically bind to particular substrates in specific regions or molecular domains of these molecules, thereby producing 3D tridimensional structures in the interaction of the complexes enzyme-substrate that have the ability to interact with other macromolecular complexes and thus carry out reactions.
In conclusion, enzymes interact with other molecules to affect a chemical reaction by binding their substrates and holding them in a particular orientation (Option 3 is correct).
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Answer:
hold molecules in specific orientations to allow for chemical bonding
100% right :)
i am in k12
long je, dejesus m, ward d, baker re, ioerger t, sassetti cm (2015) identifying essential genes in mycobacterium tuberculosis by global phenotypic profi ling. methods mol biol 1279:79–95
Transposon sequencing (TnSeq) is a next-technology deep sequencing-primarily based totally technique to quantitatively investigate the composition of complicated mutant transposon libraries after stress from selection.
Although this technique may be used for any organism wherein transposon mutagenesis is possible, this bankruptcy describes its use in Mycobacterium tuberculosis. More specifically, the strategies for producing complicated libraries thru transposon mutagenesis, layout of selective stress, extraction of genomic DNA, amplification and quantification of transposon insertions thru next-technology deep sequencing are covered. Determining gene essentiality and statistical evaluation on information accumulated also are discussed.The majority (96%) of the genes we recognized as vital for MAH in vitro had a mutual ortholog withinside the associated and enormously virulent Mycobacterium tuberculosis (Mtb).
However, passaging our library thru a mouse version of contamination discovered a full-size number (54% of overall hits) of novel virulence genes. More than 97% of the MAH virulence genes had a mutual ortholog in Mtb.
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Water is an excellent solvent. With water being a polar molecule, it can be an especially strong solvent for other polar molecules. Give an example of how water acting as a solvent is important for living organisms.
Water serves to regulate pH and functions as a solvent for carbon dioxide expelled from tissues and blood (because it forms carbonic acid that lowers pH when it tends to get higher).
A blood pH of approximately 7.4 should be maintained. The fact that pH regulates ionization of proteins, which in turn affects charges and interactions between side groups of amino acids, is one important factor. Therefore, a pH change may denature proteins and impair biological processes.
What makes cellular function important?Energy is generated and nutrients are used intracellularly, inside the cell. The metabolic processes required to maintain life are jeopardized if a cell does not work. Cell dysfunction's cumulative impacts include illness, exhaustion, and pain.
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in prokaryotic cells, are responsible for attachment to surfaces, while are responsible for transfer of plasmid dna from a donor to a recipient cell.
In prokaryotic cells, fimbirae are responsible for attachment to surfaces, while pilli are responsible for transfer of plasmid dna from a donor to a recipient cell.
What is fimbirae ?One of the virulence components linked to colonization in both encapsulated and non-typeable strains of H is fimbriae. influenzae. The ability of the organism to haemagglutinate and attach to buccal epithelial cells was connected with the expression of these genes, which was originally discovered in type b strains.
There are four different groups of fimbriae, but only those that are long, thick, and haemagglutination-positive (LKP) mediate adhesion to human mucosal epithelial cells. Additionally, LKP fimbriae agglutinate human erythrocytes and attach to mucus. A sialic acid-containing lactosylceramide structure that is a component of the human AnWj blood type antigen was found to be the receptor accepted by this class of fimbriae, which was made easier to identify thanks to the latter characteristic.
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Biological fluids regulate ph values using __________. This is achieved by accepting _________ when ph is low and donating _________ when ph is high.
Biological fluids regulate pH values using buffers. This is achieved by accepting H⁺ ions when pH is low and donating H⁺ ions when pH is high.
pH is the potential of hydrogen, that gives an idea about the acidity of basicity of a solution. The value of pH ranges from 0 to 14. The pH value of 7 is considered to neutral. Any value below 7 is acidic and any value above 7 is basic.
Buffers are the solutions that resist that change in pH when any acidic or basic component is added to them. A buffer solution consists of a weak acid and its conjugate base or vice versa. The human body consists of natural buffer, which is blood.
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CHECK
Understanding
Apply Vocabulary
Use the highlighted words from the lesson to
complete each sentence correctly.
1. __________ are the basic units of all living things.
2. According to the
, all living things are
made of cells.
3. Cells whose DNA is held in a nucleus are
Find the completed sentences below:
1. Cells
The fundamental membrane-bound entity that houses the essential molecules of life and is the building block of all living things. As in the case of bacteria or yeast, a single cell is frequently an entire organism unto itself. As they develop, other cells acquire specialized roles. They form the foundation for huge multicellular organisms like humans and animals.2. The cell theory
It states that every living thing is made up of one or more cells, which are the basis of life. Additionally, new cells can emerge from older ones.Later, this idea benefited greatly from the contributions of Rudolf Virchow.3. Eukaryotes
these are cells which have a nucleus in them along with membrane bound cell organelles.The majority of algae, all animals, plants, fungi, and protists are eukaryotic organisms. Eukaryotes are multicellular or unicellular organisms.Learn more about cells and cell theory here:
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Ask Questions Hummingbirds eat high-energy
foods such as nectar. Many ducks eat foods that
contain less energy, such as plant leaves. What are
some research questions you could investigate to
discover more about the diet of a bird species and
its energy needs?
Birds eat complex materials such as leaves because they contain specific enzymes to break them down and release chemical energy from foods. They eat foods to obtain much energy for flying (approximately 10,000 calories per day).
How many calories do birds require?Birds need to eat many eat organic matter from other live sources such as the leaves of plants because they have high energy requirements in order to expend it in complex activities such as flying. On average, a bird of medium size may consume over 10,000 calories per day.
The calories consumed by birds must be highly energetic and contain major nutrients, especially protein and fat.
In conclusion, birds are animals that can eat complex foods including plant leaves because gastric enzymes can break these foods in order to release energy. Birds need much energy (when compared to other groups such as mammals) because they need much energy during flying, being on average 10,000 calories on a daily basis.
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What type of cell division occurs when an embryo is developing into a new individual?
Answer: The development of multi-cellular organisms begins from a single-celled zygote, which undergoes rapid cell division to form the blastula. The rapid, multiple rounds of cell division are termed cleavage.
Explanation:
What function does this structure have?
A. To protect the organism
B. To see the outside world
C. To taste food
D. To help the organism reproduce
Answer: A. To protect.
Explanation:
Claws help most organisms protect themselves.
Diseased animal cells may produce molecules that activate death cascades to kill the cells in a controlled manner. Why would neighboring healthy cells also die?.
Diseased animal cells may produce molecules that activate death cascades to kill the cells in a controlled manner. Neighboring healthy cells will also die because d. the death molecule passes through gap junctions.
Gap junctions are a type of intracellular connection that is formed between neighboring cells so that they can communicate with each other.
The formation of gap junctions is important as it allows neighboring cells to import and export material such as ions, impulses, etc from each other. The cytoplasm of two neighboring cells forms the connection that is required for the transportation of material.
However, if healthy cells are present near diseased animal cells, then death molecules can also be transferred through the gap junctions among these neighboring cells. As a result, the neighboring healthy cells will also die.
Although a part of your question is missing, you might be referring to this question:
Diseased animal cells may produce molecules that activate death cascades to kill the cells in a controlled manner. Why would neighboring healthy cells also die?
a.The death molecule is passed through desmosomes.
b.The death molecule is passed through plasmodesmata.
c.The death molecule disrupts the extracellular matrix.
d.The death molecule passes through gap junctions.
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When kinetic energy is the same what happens to the velocity
Answer:
When kinetic energy is the same the velocity would decrease because mass and velocity are inversely related.
Explanation:
Several different kinds of bonds or interactions are involved in generating and maintaining the structure of proteins. True or false?.
Several different kinds of bonds or interactions are involved in generating and maintaining the structure of proteins is true.
Peptide bonds are used to connect amino acids. A peptide bond is a sort of covalent link that connects an amino acid's carboxyl group to its amino group. Many peptides bonds are involved in generating the structure of protein. Peptide connections created during the process of protein production hold the main structure together. Based on the type of the free group at each extremity, the two endpoints of the polypeptide chain are referred to as the carboxyl terminus (C-terminus) and the amino terminus (N-terminus The main structure is determined by the number and clearly defined sequence of amino acids in the polypeptide chain. The only peptide connection that connects the amino acids is that one they share.To learn more about proteins.
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Individuals iii-3 and iii-4 are expecting their first child when they become aware that they both have a family history of this recessive condition. As their genetic counselor, you can calculate the probability that they are carriers and that their child will be affected with the condition.
The probability that they are carriers and that their child will be affected by the condition is 2/32. 1/23. 1/12.
What is pedigree analysis?Each of the ends with respect to quality activity (predominant/latent; co-dominant) we have examined so far has been acquired from investigating the consequences of controlled peevish.
In certain circumstances, we don't have the valuable chance to perform controlled peevish. Maybe we really want to examine a current populace.
This is dependably the situation while concentrating on human hereditary qualities. Researchers have formulated another methodology, called family examination, to concentrate on the legacy of qualities in people.
The family investigation is likewise valuable while concentrating on any populace when descendants' information from a few ages is restricted. The family examination is likewise valuable while concentrating on species with a long generation time.
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90% H20
10% Solute
40% H20
60% Solute
Which way should the water move by osmosis and what happens
to the cell?
water moves out of the cell into the solution and the cell shrinks
O water moves into the cell from the solution and the cell swells
O water moves into and out of the cell at equal rates and the cell stays
the same size
O the water will not move and the cell is unchanged
Answer:
what is that I'm only human
Explanation:
seriously not AI wait it, it's quiz
Which type of muscle tissue contracts most quickly upon stimulation?
a. visceral
b. a. smooth
c. skeletal
d. tendons
Unglazed tiles are more permeable than marble and asphalt. They have a life span of around 50 years. They are easy to install and can be used immediately after installing. However, they are more expensive to install than bulk paving materials such as asphalt.
Clay tiles are fired in a kiln, but if they need to be coated with a glaze, that coating must be applied before placing the tiles in the kiln. The glaze is infused into the tile's top layer of clay during the firing process. However, if the tile is not coated before being fired, it is referred to as an unglazed tile. In this approach, the coating on the tiles serves as the primary distinction between glazed and unglazed tiles. Unglazed tiles, whether made of porcelain or ceramic, receive their color from the clay they are constructed of, either naturally or by the addition of pigments.
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