After the oil spill, marine microbes consumed the oil under the surface but also removed Oxygen from the water, killing both plants and animals and creating dead zones.
What causes oil to form?Organic material, primarily sedimentary deposits on the seafloor, is what turns into oil and gas over the course of millions of years as it decomposes and changes. Recoverable oil and gas deposits may be found where source, reservoir, cap, and trap rocks are present in the right proportions.
Most oil formation occurred when?Between 10 (Cenozoic) and 180 (Mesozoic) million years ago, the majority of natural gas and oil creation took place. Only 10% of oil reserves are Paleozoic (more than 200 million years ago).
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How many degrees of freedom are there in a chi-squared analysis of phenotype frequencies in the offspring from a dihybrid cross?.
The degrees of freedom (df): For a chi-square test of independence, the df is (variety of variable 1 agencies − 1) * (number of variable 2 businesses − 1).
The degrees of freedom for the chi-rectangular have calculated the usage of the subsequent system: df = (r-1)(c-1) in which r is the wide variety of rows and c is the number of columns. If phenotype frequencies found chi-rectangular check statistic is greater than the essential value, the null speculation can be rejected.
To calculate degrees of freedom, subtract the variety of family members from the range of observations. For figuring out the degrees of freedom for a sample mean or average, you need to subtract one (1) from the number of observations.
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select all that apply. what are important factors that contribute to the stability of the hip joint?
Answer:
the acetabular labrum and the ligamentum teres are important factors
The CO₂ that goes into the atmosphere can end up going into the ocean. Which chemical reaction model below could be used to predict what
will happen to the CO₂ once it is in the ocean?
O 5CO2 +402→ 6H₂CO3
O CO₂ + H₂O → H₂CO3
3CO₂ + 3H₂O → H₂CO3 + 2CH₂
O 4CO₂ → 2H₂CO3 + 0₂
2
E
0
C
The CO₂ that goes into the atmosphere can end up going into the ocean. the suitable chemical reaction is given by,
CO₂ + H₂O → H₂CO3
What is a chemical reaction?A new substance is produced as a result of a chemical reaction in which bonds between the molecules of the reactant and product are broken and new bonds are formed.
A chemical reaction occurs when two or more molecules interact to produce a new product (s).
Products, as opposed to reactants, are the substances that result from an interaction between two other substances.
Chemical reactions are crucial to many professions, traditions, and even aspects of daily life. They frequently occur in our everyday surroundings, such as the rusting of iron, the firing of pottery, the fermentation of wine, and so forth.
A chemical change that is typically seen with physical changes like precipitation, heat production, colour change, etc. must take place in a chemical reaction.
A reaction between two atoms, ions, or molecules can result in the formation of a new bond without the destruction or creation of any atoms, only the creation of a new product.
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Make up a cross involving hemophilia that could be answered by a Punnett square, as in Figure 23.5a or b.
What is the answer to your genetics problem?
Color blindness from red to green is an X-linked (sex-related) recessive trait accordance to genetic trait.
Normal color vision in a female - XBXb (Father is color blind, therefor, the one will be recessive)
Father XbY is colorblind. (Presence of the X linked recessive trait for color blindness)
a person with typical color vision - XBY
XBY is a man with normal eyesight whose father was color blind.
XBXB is a female with normal eyesight whose father is not colorblind.
Offspring genotypes: XBXB and XBY.
Father of Antonio is colorblind XbY
Mom isn't colorblind, says XBXbor XBXB
Antonio won't always have a color blindness. However, if his genotype was inherited as XbY, there is a possibility that he may be color blind. Whether Antonio's mother has the color blindness-causing genes homozygously or heterozygously will determine the genotype and therefore phenotype.
The X-linked recessive nature of hemophilia.
Let H stand for the dominant trait and h for the recessive trait. XH - Hemophilic, Xh - Normal
XHXH X XhY (Normal female X Hemophilic male)
All the offsprings will be normal. Females will be carrier.
XHXh X XHY (Normal heterozygous carrier female X Normal man)
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"Nitrogen fixation results in the while the metabolic process of denitrification
A. loss of biologically available N from an ecosystem / oxidizes N2.
B. formation of nitrogen gas / oxidizes NO:
C. direct formation of nitrate / reduces N2.
D. addition of biologically available N to an ecosystem / reduces NO. "
Nitrogen fixation results in the addition of biologically available N to an ecosystem while the metabolic process of denitrification reduces NO.
What is the process of denitrification?The denitrification procedure removes bioavailable nitrogen from the environment by converting nitrate to nitrogen gas.
Although nitrogen gas (N₂) is the final byproduct of denitrification, there are also additional intermediate gaseous forms of nitrogen. Nitrous oxide (N₂O), one of these gases, interacts with ozone to form greenhouse gases that cause ozone depletion and air pollution.
Denitrification and other anaerobic processes often occur in an anoxic lake and sea bottom areas, sediments, and soils. There are many different types of prokaryotes that can denitrify, and recent research has shown that some eukaryotes can as well. Bacillus, Paracoccus, and Pseudomonas species are some of the denitrifying microorganisms.
2 NO₃⁻ + 10 e⁻ + 12 H⁺ → N₂ + 6 H₂O.
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Would you be bothered if you were in a restaurant and people came in wearing scrubs? Why or why not?
Scrubs are accepted in restaurants because scrubs have become medical uniforms worn by the medical practioners.
What is Scrubs?Scrubs are a type of sanitary clothing worn by physicians, nurses, dentists, and other workers. It is worn by those who are involved in patient care.
The garment was initially a gown but now includes the shirt and pants worn by scrubs for surgery. Wearing scrubs has become a trend in the profession, as has wearing a white coat or carrying a stethoscope.
Scrubs were in one color, but often came as a dull blue (known as Dr. blue) or mint green. Scrubs are made of cotton, but scrubs made of a blend of polyester and cotton to maintain a wrinkle free dress.
Thus, scrubs are accepted in restaurants because scrubs have become medical uniforms worn by the medical practioners.
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What are two basic differences between DNA and RNA?
RNA is usually single stranded, while DNA is usually double stranded.
RNA contains uracil, while DNA contains thymine.
RNA is usually double stranded, while DNA is usually single stranded.
RNA contains thymine, while DNA contains uracil.
RNA doesn't contain cytosine, while DNA doesn't contain adenine.
Answer:
first two
Explanation:
In transcription T(Thymine) is replaced with U(Uracil)
DNA looks like this see how it has two strands?
If you looked at an RNA online, it has one strand.
Normal mitotic division results in?
What do "tolerance" and
"quality" have in common?
Tolerance limits are boundaries that enclose a certain percentage of a population with a certain level of confidence.
Used in the context of process control to ensure that production does not go out of specification. Using tolerances can make the final product easier to use, especially if it is part of a larger assembly. Any manufacturing method introduces some degree of inaccuracy, and failure to meet tolerances in critical areas can result in a part that cannot be used according to design intent.
Tolerance determines exactly how much is allowed in making each part. Understanding the critical role tolerances play in the manufacturing process can help you design higher-quality products and reduce costly manufacturing errors. Tolerance design plays an important role in product life cycle quality. Its purpose is not only to guarantee product quality. At the same time monitor the manufacturing costs of your products.
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organelle is responsible for osmosis
Answer: Vacuole
Explanation:So the correct answer is 'Vacuole'.
If a more concentrated salt solution is on one side of a membrane and a less concentrated salt solution is on the other side, water molecules tend to pass through the membrane.
Cellular water is drawn to salt concentrations which are highest.
A cell will enlarge as it overflows in order to interact with the salt if there was enough salt within than outside. Water will penetrate through into the membrane as well as flow inside if this is the case.By enabling solvent molecules to move through a selectively permeable membrane from a somewhat concentrated solution towards a more concentrated one, osmosis represents a process that typically equalises the solute concentrations on the two sides.The magnitude of both the concentration differential between the opposite sides of the membrane affects how quickly molecules diffuse. Temperature: Higher temperatures cause molecules to move more swiftly. As a result, diffusion speed significant increase as temperature rises.
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which of this is not found in the prokaryotic cells?
Prokaryotic cells are typically smaller and simpler than eukaryotic cells. They lack a nucleus and any other organelles that are membrane-bound. Prokaryotic cells and eukaryotic cells are the two fundamental types of cells.
What is the difference between prokaryotic and eukaryotic cell?The primary distinction between eukaryotic and prokaryotic cells is the presence of a nucleus in eukaryotic cells. DNA, the genetic material that cells contain, is kept in the nucleus. A membrane surrounds the nucleus. Prokaryotic cells are devoid of nuclei. Their DNA, however, is floating about inside the cell. The genetic material, or DNA, coils up into a single big circle in prokaryotic cells. The centre of the cell is where the DNA is found. Prokaryotes are defined as both prokaryotic and eukaryotic organisms
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The article says that planets, moons, and
asteroids move in a predictable way. Give
an example of this.
Answer:
gravitational pull
Explanation:
Saturn takes 29 years to do a full orbit
Venus takes 225 days
443 Eros takes 643 days
Which factor is the most powerful evolutionary force in large populations over time?.
The most powerful evolutionary force in large populations over time is natural selection.
Natural selection is the process by which certain traits become more common in a population over time because those traits help the individuals with those traits to survive and reproduce.
For example, if a population of animals is exposed to a new predator, the individuals that are able to run the fastest will be more likely to survive and reproduce, and over time the population will become faster on average.Over time, this process can lead to the emergence of new species and with these advantageous traits they are more likely to survive.
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Report writing on cellular basis of life
An organism consists of a single cell or many cells working together. For this reason, scientists consider cells to be the basic unit of life.
Cells require a constant supply of energy and molecules for chemical reactions and need to remove waste products. All living things consist of one or more cells, which are considered the basic unit of life. Even single-celled organisms are complicated! In all cells, atoms form molecules that form organelles and structures.
In multicellular organisms, similar cells form tissues. Cells are composed of many complex molecules called macromolecules, including proteins, nucleic acids, carbohydrates, and lipids. Macromolecules are a subset of organic molecules that are particularly important for life. Unicellular organisms can exist independently. This demonstrates the ability of cells to exist independently.
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Among the organisms listed here, which are thought to be the closest relatives of fungi?.
Among the organisms, Animals are thought to be the closest relatives of fungi.
Because fungi are heterotrophic, like animals, they are more closely linked to animals than plants. Those organisms who are classified as heterotrophs are unable to produce their own sustenance through photosynthesis.
Contrary to conventional and current taxonomy, the congruence of numerous lines of evidence strongly implies that animals and fungi are sister groups, whereas plants make up a distinct evolutionary branch. a shared ancestry with modern choanoflagellates.
In 1998, scientists found that plants and animals diverged from one another about 1.547 billion years ago, whereas fungi and mammals diverged about 1.538 billion years ago. According to this, fungi diverged from animals 9 million years after plants, making them more closely related to animals than to plants.
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in ____, one allele is dominant to a recessive allele.
In Simple Dominance, one allele is dominant to a recessive allele.
Simple dominance occurs when a single gene codes for both the dominant allele and the recessive allele of an inherited characteristic. The dominant allele of the gene masks the recessive allele.
what is dominant and recessive allele?
The relation between different genetic variants is referred to as dominant. Each gene has two alleles that an individual inherits from each parent. If the alleles are distinct, only one of the gene's alleles—referred to as the dominant gene—will be displayed.
For instance, because the dominant gene for brown eyes only needs one copy of the 'brown eye' allele to result in brown eyes (although, with two copies you will still have brown eyes).
Recessive alleles are a subset of alleles that do not affect a person when they are present alone.
For instance, you need two copies of the "blue eye" allele because it is recessive in order to have blue eyes.
Therefore, in Simple Dominance, one allele is dominant to a recessive allele.
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A sample of oxygen gas collected at a pressure of 0.896 atm and a temperature of 30.0°C is found to occupy a volume of 23.7 liters. How many moles of gas are in the sample?
The number of moles of oxygen gas can be calculated using ideal gas equation. There will be 0.85 moles of oxygen gas at the given temperature, pressure and volume.
What is ideal gas law?Ideal gas law is a combination of Charles's law, Boyle's law, Gay-Lussac law and Avogadro's law. Thus it describes the relation between temperature, pressure, volume and number of moles of a gas.
Ideal gas equation is written as below:
PV = nRT.
Where R is the universal gas constant equal to 0.082 L atm/ (K mol).
Given the pressure, volume and temperature (30 ° C = 303 K) of oxygen gas. Apply all the values in the equation as follows:
number of moles n = PV/RT
= (0.896 atm × 23.7 L) / (303 K × 0.082 L atm/ (K mol))
= 0.85 moles.
Therefore, the number of moles of oxygen gas in the given system is 0.85 moles.
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The epiphysis of a long bone is
O shaft of the bone
Ohyaline cartilage covering the ends of the bone
O ends of bones; forms a joint with another bone
o tough membrane covering over the entire bone
Epiphysis of a long bone is: ends of bones; forms a joint with another bone.
Epiphysis is the rounded end of a bone. It is ossified separately from the shaft at first, but it becomes fixed to the shaft once the epiphysis attains its full growth. Epiphysis is essential to form the joints in the body. Epiphysis also contains the bones marrow that is involved in blood cell synthesis.
Joints are the parts of the body where two bones join together. The joint is also known by the name articular surface. These joints are mobile in nature allowing the movement of bones. There are various types of joints in the body.
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in some cases, it is possible to change the sequence of bases in a codon and it will still code for the same amino acid.
a. true
b. false
how do you mix the solutions???
What would you predict would be the impact on the Christmas island crab population of a very dry season?
Answer:
When the dry season comes, they must move to the tropical jungle. When the rainy season comes again, we need to breed on Christmas Island.
which creates Regional metamorphism:
Stratification
Intrusions
Sedimentation
Foliation
Answer:
Explanation:
Regional metamorphism occurs when parent rock is subjected to increased temperature and pressure over a large area, and is often located in mountain ranges.
Which statement is true? (1 point)
Responses
Bacteria harm only organisms within the animalia kingdom.
Bacteria harm only organisms within the animalia kingdom.
Bacteria promote human bone growth.
Bacteria promote human bone growth.
Bacteria digest nutrients for all organisms.
Bacteria digest nutrients for all organisms.
Bacteria consume and remove waste.
The statement which is true about bacteria is that the bacteria digest nutrients for all organisms. Thus, option C is correct.
What are bacteria?Bacteria are known as unicellular organisms and they perform a function of digesting nutrients and other important nutrients in order to run the living cycle as well as the ecosystem. Bacteria are considered as good decomposers and they generally decomposes the waste materials.
The decomposers are considered as the living thing that feeds on and breaks down plant and animal matter into simpler parts or substances. decomposer. The thin layer that has been formed the outer covering of the cell has been known as the cell membrane. It has been composed of the lipid bilayer which has a embedded proteins.
Therefore, The statement which is true about bacteria is that the bacteria digest nutrients for all organisms. Thus, option C is correct.
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For the purposes of this question, assume that a g1 somatic cell nucleus in a female myrmecia pilosula contains 2 picograms of dna. How much dna would be expected in a metaphase i cell of a female?.
In a female metaphase I cell, 4 DNA would be anticipated.
How many chromosomes might one anticipate finding in the somatic cells of a female offspring's body?In somatic cells, there are 23 pairs of chromosomes, one from each parent (the father) and one from the mother (from the mother). One pair of sex chromosomes and 22 matched pairs of autosomal chromosomes are present.
How many chromosomes should each gamete of that organism contain?There are only 23 chromosomes in each egg and sperm cell. That's only half the number of chromosomes found in typical cells. A zygote, or cell containing 46 chromosomes (23 pairs), is created when an egg and sperm combine during fertilization.
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After transcription begins, several steps must be completed before the fully processed mrna is ready to be used as a template for protein synthesis on the ribosomes.
Following the completion of the transcription of DNA into mRNA, translation, or the process of reading these mRNAs to become proteins, starts.
What procedure produces a protein using the information in mRNA?It is possible to think of the process of translating mRNA into tRNA, which takes part in transcription, as the decoding of instructions for producing proteins. The "workhorses" of the cell, which carry out all the tasks necessary for life, are the protein molecules that the genes in DNA encode.
What are the three crucial stages in the processing of pre-mRNA?The attachment of stabilizing and signaling components to the 5′ and 3′ ends of the molecule, as well as the removal of interstitial sequences that do not designate the target gene, are the three phases of pre-mRNA processing that are most crucial. suitable amino acids. The mRNA transcript can occasionally be "edited" after it has been transcribed.
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What happens to a molecule with a bond dipole when the electric field is turned on.
Both the partially positive and partially negative ends point in opposite directions, respectively, toward the positive and negative poles.
What takes place when a dipole-containing molecule is exposed to an electric field?A torque is produced when a permanent dipole is placed in an external electric field, aligning it with the field. An induced dipole that is aligned with the external field is created when a nonpolar atom (or molecule) is exposed to an external field.
How are bond dipole and the electric field connected?It is true that the size of the bond dipole and the behavior of the molecule in an electric field are related. Bond polarity and bond dipole increase with increasing electronegativity between bound atoms.
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a substance with a pH of 13 would be considered...
A. an acid
B. a base
C. neutral
D. a suspension
What does the term “turned off” in the last paragraph refer to? (Science in Action with Enzymes!)
The meaning of 'turned off' in the last paragraph of the write is 'to withhold' the mucus chemicals.
What is an enzyme?An enzyme is the substance that has the ability to enhance the rate of a chemical reaction but remains unchanged at the end of the chemical reaction.
From the write up, it involves an experiment to observe if the chopping actions of enzyme in the nose could affect the sense of smell for the mice.
At some point of the experiment, the researcher withheld the the mucus chemicals in the nose of the rat which acted as an enzyme to catalyse the odorous molecules. This sudden change was detected as the Moise brain reacted differently as they did before.
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What is the result of cellular respiration?
A .Energy for cell processes is released.
B. Oxygen is released for photosynthesis.
C. Cells undergo decomposition.
D. Nutrients are excreted to prevent the buildup of body fat.
Answer:
Option (A)
Explanation:
The main product of any cellular respiration is the molecule adenosine triphosphate (ATP). This molecule stores the energy released during respiration and allows the cell to transfer this energy to various parts of the cell. ATP is used by a number of cellular components as a source of energy.
