After the fat has been digested, fatty acids are passed through the lymph system and then pass throughout the body.
Bile may be a liquid that's made and discharged by the liver and put away within the gallbladder. Bile makes a difference in digestion. It breaks down fats into fatty acids, which can be taken into the body by the stomach-related tract. Bile contains Mostly cholesterol Bile acids Bilirubin, Water Body salts such as potassium and sodium, Copper, and other metals. After the fat has been processed, fatty acids are passed through the lymph system and after that through the body through your bloodstream to be utilized or put away for energy, development, and cell repair.
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A type of mutation that mainly occurs during dna replication and a single base is altered.
Answer:
Point mutation
Explanation:
which recombination frequency corresponds to perfect linkage and violates the law of independent assortment?
Zero frequency is corresponds to recombination of perfect linkage and violates the law of independent assortment.
What does a frequency of 0 recombination mean?nicely matched A gene's recombination frequency is zero when it is perfectly connected to another gene. Recombination occurs with a frequency of 0.5 when genes are unlinked, meaning that half of the children are recombinants and the other half are parental types.
What is the process by which genetic recombinants are created?In genetics, recombination is the main process for introducing variation into populations. When maternal and paternal genes are reorganized to generate gametes during meiosis, recombination occurs (sex cells).
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The more the altitude increases in Earth's atmosphere how does the amount of oxygen and air pressure change?
Answer:The percentage of oxygen in the air is essentially the same as at sea level (21%). However, the air pressure is 30% lower at the higher altitude
Explanation:The percentage of oxygen in the air at two miles (3.2 km.) is essentially the same as at sea level (21%). However, the air pressure is 30% lower at the higher altitude due to the fact that the atmosphere is less dense--that is, the air molecules are farther apart.
a cell acquires a new mutation that raises its immediate direct fitness but lowers the inclusive fitness it will have later. will there be natural selection for the new mutation or against it when it first appears? group of answer choices
When a mutation first appears, the selection would occur against it as it lowers the inclusive fitness.
A technique for gauging the effectiveness of evolution is inclusive fitness. It is the capacity of an individual to pass on genes, including those shared with relatives, to the following generation.
However, advantageous mutations will proliferate and boost the population's overall fitness. They produce unique protein variations that help organisms adapt to changes in their environment. Most of the time, natural selection boosts evolutionary fitness and causes organisms to adapt to their environments. Thus, in this case the selection would be against the mutation.
Positive mutations are essential for evolution to occur. They increase an organism's likelihood of surviving or procreating, so they are likely to spread over time and become more widespread.
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Complete question is:
A cell acquires a new mutation that raises its immediate direct fitness but lowers the inclusive fitness it will have later. will there be natural selection for the new mutation or against it when it first appears? group of answer choices
A. selection for the mutation
B. the two effects will cancel out
C. selection against the mutation
D no selection will occur
during the refractory period, the cell a. is insensitive to further stimulation; b. responds to even weak stimuli; c. reverses the direction of the action potential; d. generates many local potentials e. increases the strength of the action potentia
During the refractory period, the cell responds to even weak stimuli.
Option B is correct.
What takes place during the refractory stage?The time period immediately following an orgasm during which a person is not sexually responsive is known as the refractory period. Both mental and physical repercussions may result from the refractory phase. A person may become uninterested in or incapable of having intercourse during the refractory period.
Why is it vital to understand the refractory period?An essential component of neural signaling is the pace of generation of action potentials, which is constrained by the refractory period. The refractory period also makes it easier for the action potential to go in a single direction along the axon.
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Organisms resemble their most recent ancestors more closely than distant ancestors.
*
1 point
True
False
Answer:
True
Explanation:
Marine Science What causes turbulence?
a. exposure to ultraviolet rays
b. being too high in the atmosphere
c. severe weather in the troposphere
d. unusually high ocean temperatures
which hormone pathway is represented by cells in the body that are able to both receive hormone stimulation and secrete the hormone to receptive neighboring cells?
Autocrine pathway is represented by cells in the body that are able to both receive hormone stimulation and secrete the hormone to receptive neighboring cells.Autocrine is one of the hormone pathway
Cells communicate with other cells through extracellular messenger molecules. These molecules can travel near or far from the cells that produce them. In fact, there are molecules that can travel throughout the body, meaning over great distances from the source.
Types of hormon pathway
- Autocrine, meaning that the cell that produces the messenger molecule also has receptors for the messenger molecule and responds to the cell itself, which in turn can activate or inhibit the cell.
- Paracrine means that the messenger molecule travels a short distance through the extracellular space to another cell not far from the cell that produces the messenger molecule. Why is it just so close.It could be because the molecule is unstable, degraded by enzymes, or bound to the extracellular matrix (ECM).
- Endocrine, meaning messenger molecules can travel long distances and these molecules travel through blood vessels. These endocrine molecules are often referred to as hormones.
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Please help due tonight.
Answer:
The answer would be increased airplane travel
Please Answer all questions
1.
Observe the geologic cross section. Which layer is the oldest?
A
F
G
K
2.
What would you classify F as?
intrusion
inclusion
rock layer
fault
3.
Which of the following unconformities are present in this geologic cross section?
disconformity
angular unconformity
nonconformity
4.
J(Zoroaster granite) is older than F (basalt).
True
False
5.
Which stratigraphy principle(s) is/are used to determine the history of this cross section? (select all that apply)
Principle of Original Horizontality
Principle of Superposition
Principle of Lateral Continuity
Principle of Cross-Cutting Relationships
6.
What is the geologic history of this cross section?
Time to summarize the history of this geologic cross section. When writing about layers, you may refer to them by their designated letter (i.e. K) or the layer name (i.e. Vishnu Schist). Be sure to write in full, complete sentences using proper grammar and punctuation.
The history of the cross-section is given as follows:
One of the geological concepts that geologists employ to establish the relative ages of rock strata or layers, is the rule of superposition. According to this concept, layers of rock are overlaid or put down one on top of another. The oldest rock layers will be at the bottom, followed by the youngest.
Alternatively, the superposition rule is a fundamental concept of stratigraphy that states that within a succession of sedimentary rock layers, the oldest layer is at the bottom and the layers get increasingly younger with ascending order in the sequence.
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Gas cloud 1 is likely to form a star. Gas cloud 2 is not. Based on this information, match the given conditions with each cloud.
Its temperature stays well
below 14 million Kelvin.
Its volume shrinks and density
increases due to gravity.
It is spread out, with a greater volume and
lesser concentration of elements.
Its hydrogen atoms retain their electrons.
Its temperature surpasses
14 million Kelvin.
Its hydrogen atoms shed their electrons.
Gas cloud 1: It spreads with a larger area and a lower elemental concentration. Its temperature never rises above 14 million Kelvin. It has hydrogen atoms with electrons retained.
Gas cloud 2: As a result of gravity, its volume decreases and density rises. Its temperature is consistently above 14 million kelvin. The electrons in hydrogen atoms are lost.
As you are undoubtedly aware, stars develop amid gaseous clouds. Interstellar gases, primarily made of dust and hydrogen, are present in these clouds. Low temperatures cause gases to react, mix, and form molecules, which then produce clouds and continue to react until they eventually form stars.
Since Cloud 1 spreads with a higher volume and a smaller concentration of components, its temperature maintains far below 14 million Kelvin, and it contains hydrogen atoms that retain their electrons, these traits indicate that Cloud 1 will eventually create a star.
Given that cloud 2 won't produce stars, we can state the following about it: Due to gravity, its volume decreases and density rises, but its temperature remains above 14 million kelvin.
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some toxic compounds are ingested and retained in the tissues. these pollutants pose special risks to humans and other organisms high on the food chain because of which process?
Organisn high on the fod chain because of Biomagnification process.
Biomagnification is the accumulation of a chemical through an organism from water and food publicity that consequences in a attention this is greater than might have resulted from water publicity only and accordingly extra than predicted from equilibrium.
Biomagnification occurs whilst poisonous chemical substances, like DDT, whose remains within the environment are consumed in a roundabout way by organisms thru meals. Whilst an organism within the higher meals chain consumes the decrease organism containing such chemicals, the chemicals can get gathered within the better organism.
Biomagnification is vital in toxicology because it offers data concerning the amount of pollutants in an area and might deliver clues to disruptions to populations and ecological groups.
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reactive oxygen species are? select one: a. produced in the mitochondria b. oxygen free-radicals c. found in antioxidant skin creams d. a and b e. a, b and c
A correct answer is option (D). Reactive oxygen species are oxygen free-radicals that are produced in mitochondria.
It is thought that oxidative damage to cellular macromolecules is what causes aging and the emergence of many disease conditions. Reactive oxygen species, including superoxide, hydrogen peroxide, and hydroxyl radicals, are the culprits behind this damage. The species are free radicals that are deprived of oxygen. The majority of cells' mitochondria serve as the primary manufacturing site for reactive species. The main reactive oxygen species produced in the mitochondria is superoxide, which superoxide dismutase mostly converts to hydrogen peroxide.
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Please help due tonight.
Answer:C
Explanation:
Temperature increased over time!
People who embrace _________ use biological factors to justify inequalities between racial and ethnic groups.
People who embrace racism use biological factors to justify inequalities between racial as well as ethnic groups.
A viewpoint that asserts that racial distinctions result in a specific race's inherent superiority and that race is the main factor influencing human characteristics and abilities. Racism is any form of prejudice based on characteristics such as race, body color, religion, culture, etc., according to the social studies discipline.
Racists frequently discriminate against individuals and blame their prejudice on biological characteristics, like their birth into a low-caste household. Racism seems to remain a constant in practically every civilization, despite the fact that many individuals throughout the world are battling against those who embrace it.
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f the temperature should drop to 30 degrees overnight, which individual would stand a better chance of survival? an individual whose cell membrane was made up of phospholipids with saturated fatty acid tails or phospholipids with unsaturated fatty acid tails. explain your respons
In the cold temperature, when energy is less saturated phospholipids are organised in a compacted manner. On the contrary, the curved structures of the unsaturated fatty acid makes it difficult for them to come close to each other.
The phospholipid bilayer with unsaturated fatty acid has more flexibility and liquidity due to the existence of curves in the carbon chain.
The fatty acid design of the saturated phospholipid is straight whereas the unsaturated fatty acid is curved at distinct places in the carbon chain.
Therefore, the unsaturated phospholipid nurture its liquidity even in cold temperatures.
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Carbohydrates and fats both??
can be used as an energy source by organisms
can be bonded together to construct DNA molecules
are made up of the glucose monomer
are monomers that can be made into large polymer chains
Please Helpp!! ASAP
Answer:
they can be used as any of the options
Similarities in what molecular structure is considered the greatest predictor of cross-reactivity with a cephalosporin in a patient with a confirmed penicillin allergy?.
Amoxicillin is the greatest predictor of cross-reactivity with a cephalosporin in a patient with a confirmed penicillin allergy.
What are penicillin and cephalosporins cross-reactivity?Healthcare professionals often overestimate cross-reactivity linking penicillin and Cephalosporins. The device of cross-reactivity was previously believed to be related to a common β-lactam ring, but new evidence suggests it is instead related to the split of identical R-group side chains. Penicillin and cephalosporins exhibit limited and incomplete cross-reactivity of up to 7% which may be related to the 'cohort' of cephalosporin. 1 In clinical practice it is not uncommon for cephalosporins to be given to penicillin-allergic patients, especially if the history of penicillin reaction was not life.
So we can conclude that cross-reactivity between penicillin and cephalosporins occurs when the R1 side chain is identical as formerly reported.
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which of the statements describes the alimentary canal? the gastrointestinal tract and the organs of the digestive system the section of the digestive tract that is involved with absorption of nutrients the path that food travels from the stomach to the beginning of the large intestine the tubular passage through which food enters, is digested, and unused waste is excreted
The alimentary canal, commonly known as the digestive tract, as well as other organs like the pancreas and liver make up the digestive system.
The systems that food and fluids pass through on their way to being ingested, broken down, absorbed, and expelled as feces. The mouth, throat (throat), esophagus, stomachs, intestine, gastrointestinal tract, rectum, and anus are among these organs. The digestive system's four essential processes are motility, digesting, absorption, and secretion. From the mouth to the anus, the digestive system is known as the alimentary canal. The portion of it that consists of the gastrointestinal tract is known as the GI tract. Digestion and absorption are the two functions of the digestive system. Food is broken down into tiny molecules during digestion, and these molecules are subsequently absorbed by the body.
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Which of the following courses might a genetic engineer take in college?
O Introduction to Horticulture
O Principles of Plant Agriculture
O Maneuvering Controlled Vehicles
O Recombinant DNA Applications
The course that a genetic engineer might opt for in a college is: Recombinant DNA applications.
Genetic engineering is the branch of biological science that deals with the manipulation of the genetic composition of an organism in order to alter some traits in the organism. Recombinant DNA technology has various applications which are beneficial for the society.
Recombinant DNA technology can help the genetic engineer to determine which genes can be modified in plants as well as animals so as to create genetically modified organisms, which are superior in certain characteristics as compared to their ordinary counterparts. For example genetically modified plants are pest-resistant.
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which change would not affect the relative rate of action of enzyme x
Answer:
b
Explanation:
in the head, postganglionic fibers leaving the cervical chain ganglia supply the regions and structures innervated by which cranial nerves?
The sympathetic chain ganglia, made up of the cervical, are the ganglia next to the sympathetic chain.
Post ganglionic: What is it?Postganglionic fibers are the ones that run from the ganglia to the effector in the autonomous nervous system. Through metabolic modification and neurotransmitter release, post-ganglionic axons are directly in charge of alterations in the function of the target organ.
What exactly are preganglionic and postganglionic?Acetylcholine is used by preganglionic neurons in the sympathetic nervous system as well as postganglionic neurons in the parasympathetic system (ACh). Norepinephrine and epinephrine are used by the sympathetic nervous system's postganglionic neurons. However, there are few exceptions to this, which are shown below.
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not all members are equal in their ability to survive and reproduce in a what? A. Community, B. Ecosystem, C. Organism, D. populations
Not all members are equal in their ability to survive and reproduce in a population. Option D.
What is a population?A population is defined as the total number of organisms of the space species living in a particular at a specific period.
A population of 2 or more different species of organisms living and interacting together is known as a community. Two or more communities interacting with themselves and the non-living components of their environment constitute what is known as the ecosystem.
Thus, in order to make a logical comparison, organisms must be of the same species in the same population. There is always competition for resources among organisms of the same species. This competition is known as an intra-species competition.
Also, organisms of the same species within the same population differ in their reproductive capacity and ability to survive. Thus, natural selection selects the best individuals to survive and reproduce. Natural selection acts on populations.
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an organism's genomic dna is analyzed and found to contain 22% thymine. what percentage of that organism's dna is guanine? group of answer choices 22% 56% 28%
The organism has 28% Guanine In its DNA.
In DNA the amount of thymine = amount of adenine
Thus A + T = 22% +22% = 44%
Rest of the DNA is made of Guanine and Cytosine
Thus G + T = 100 + 44 = 56 %
Since amount of Guanine = amount of Cytosine
Thus amount of Guanine = 56 % / 2 = 28%.
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Describe the relationship between the body mass and total surface area of air sacs?
The relationship between the body mass and the total surface area of air sacs is that a person's weight is determined by their body mass and the TSA of the air sacs indicates that there are spaces within an organism with air sacs.
Weight is a measurement of a person's body mass. A living thing with air sacs has voids inside of them, as indicated by the air sacs' total surface area. This air is constantly present in these air sacs.
In insects, air sacs are little sacs that protrude from the larger breathing tubes (tracheae). In birds, air sacs are extensions of the lungs, and in the lungs of certain other vertebrates, air sacs are the end organs.
They do this by providing a sizable superficial surface for the passage of gas, which helps to boost respiratory efficiency.
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Explain the role of living things in the nitrogen cycle.
- 7th grade science
The role of Living Organisms is to convert the dead and decaying matter to ammonia(NH₃) in the nitrogen cycle.
Plants require nitrogen to make proteins DNA, RNA, ATP, etc. The nitrogen cycle is a process in which plants convert nitrogen into nitrates. This can be done by volcanic action, lightning, industrial activity, and by some bacteria.
These bacteria are the living organisms that use the plant as a carbohydrate source of energy and shelter and in turn, the plant uses the nitrate the bacteria produces for nitrogen fixation. The nitrates are then converted into plant and animal proteins, DNA and RNA.
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the result of a particular experiment is called a(n) a. observation. b. conditional probability. c. event. d. outcome.\
An outcome is the conclusion of an experiment. (Select d)
What kind of observation would this be?A straightforward observation would be to watch an apple fall from a tree. Another finding was that fish only frequent a particular section of the stream inside the morning. The scent of rotting rubbish is another example of observation.
Why is observation so important?Our ability to see things, events, attitudes, and occurrences helps us learn about them via one or possibly several senses. Because it serves as the foundation for efficient communication, the ability to see and understand an outside world is essential.
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according to opinion polls, how do scientists and non scientists react differently to the idea of evolution?
Most scientists (66%) agree that evolution is a valid theory, while the majority of nonscientists think the theory adequately captures the natural world.
What do you mean when you research how the mind and behavior evolved using the laws of natural selection?Evolutionary psychology investigates our shared characteristics as people. Utilizing the ideas of natural selection, it focuses in particular on how behavior and the mind have evolved. More likely to be handed on are traits that help with reproduction and survival.
What statement about Darwin's theory of natural selection is accurate?What statement about Darwin's theory of natural selection is accurate? The possibilities of a species surviving are eliminated by genetic mutations.
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2
3
5
Charle
Marie
O
XX
M
John
x"Y
Fred
?
Based on the pedigree that is shown, which describes John?
carrier for hemophilia
expresses hemophilia
does not have hemophilia
expresses hemophilia and died of complications
Does not have hemophilia based on the pedigree describes John.
Option C is correct.
What exactly is hemophilia X?Given that males have only one X chromosome, hemophilia is a hereditary condition that runs in the X-linked recessive family. Because of the corresponding X chromosome, females are typically carriers, but heterozygous carriers frequently exhibit hemophilia symptoms.
What is the X chromosome's role in hemophilia?The X chromosome houses the faulty gene that causes hemophilia. Males possess one X and one Y chromosome. As there is no protective X to produce factor VIII or IX in a male, the presence of the faulty gene causes a deficiency or absence of factor VIII or factor IX.
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this or that? select whether the listed disease characteristic is associated with chronic bronchitis, emphysema, or both conditions.
Both chronic bronchitis and emphysema comes under COPD i.e, Chronic obstructive pulmonary disease.
Airflow from the lungs becomes restricted due to the chronic inflammatory lung illness known as chronic obstructive pulmonary disease (COPD). The signs and symptoms include wheezing, coughing up mucus (sputum), and difficulty breathing.
Inflammation of the bronchial tubes' lining, which transport air to and from the lungs' air sacs (alveoli), characterizes chronic bronchitis. Daily coughing and mucus (sputum) production are its defining symptoms.
Emphysema is a disorder when the alveoli at the end of the lungs' tiniest air tubes, or bronchioles, are destroyed due to harmful exposure to cigarette smoke and other irritating chemicals and particulate matter.
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