Since the cells of the broken arm had undergone mitosis, therefore the newly divided cells will also have 46 chromosomes.
Mitosis is the equational division. It is the process of cell division where the number of chromosomes remains the same even after cell division. There are 4 phases in mitosis: prophase, metaphase, anaphase and telophase. Almost all the cells of the body except the germ cells undergo mitosis.
Chromosomes are the compactly packaged structures that contain the genetic material. They comprise of DNA and histone proteins. This form of packaging is the one in which the genetic material gets transferred from parents to their offspring.
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4) over time, the movement of people on earth has steadily increased. this has altered the course of human evolution by increasing . a. mutation b. geographic isolation c. genetic drift d. gene flow
Over time, the movement of people on earth has steadily increased. this has altered the course of human evolution by increasing gene flow. Thus the correct answer is option (e).
Evolution is the term used to describe how a species gradually changes over time to fit in with nature.
The term "gene flow" refers to the movement or exchange of genetic material from one continent to another. The flow of genes caused by gene exchange has changed the native genes and created a new character.
Specifications of gene flow.
New genetic variations are disseminated throughout many populations.
It alters both populations' allelic frequencies and may be the driving force behind evolution.
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Answer all please I need it asap
1. A(n) _____________________ transports electrons, along with their energy, to another molecule.
2. What is the equation for photosynthesis?
3. In the __________________________, NADPH and ATP combine with carbon dioxide to produce sugars.
4. In the _________________________, light energy from the sun splits water and generates ATP and NADPH.
5. True / False: Chloroplasts are organelles found in the cells of heterotrophs.
6. True / False: Autotrophs need light in order to carry out photosynthesis.
Explanation:
1. Electron carrier
2. CO2 + H2O --> C6H12O6 + O2
3. Stroma
4. Thylakoid membrane
5. False
6. true.
hope it helps. :)
broth cultures generally die out quickly because of the build-up of metabolic wastes. why is this less of a problem with slant cultures?
The slant cultures do not die out quickly as compared to the broth cultures because the metabolic waste is formed very slowly and bacteria cannot get adequate nutrition.
Why slant culture do not die as quickly as broth culture?
The slant cultures do not die out quickly as compared to the broth cultures because metabolic waste builds up slowly and bacteria cannot derive adequate nutrition. Food and metabolic waste gradually diffuse in the slant culture and create less complications than broth cultures.
Broth cultures is a way for scientists to grow and maintain the cultures of bacteria and they are also useful for bacteria that have been in stressful experiment.
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3 processes that occur in nature that allow an e. coli cell to end up with new dna sequences not found in its parent cell.
Three processes that occur in nature that allow an E.coli cell to have new DNA sequences not found in its parent cell are : Transduction, transformation and conjugation
What are the methods of genetic recombination?Transduction, transformation and conjugation are the recombination strategies used by E.coli to expand their genetic variety.
Process by which DNA is transferred from one bacterium to another by a virus is called transduction. It also refers to the process where foreign DNA is introduced into another cell through a viral vector.
In transformation, bacterium takes up a piece of DNA floating in its environment and in conjugation, DNA is transferred between bacteria via a tube between cells.
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Which type of rock made from heat and pressure is primarily classified by texture and composition?
Responses:
A)sedimentary
B)igneous
C)organic
D)metamorphic
Answer: Metamorphic
Explanation:
Answer:
metamorphic
Explanation:
it was correct on test
how does the protozoan trypanosoma evade detection by the immune system? how does the protozoan trypanosoma evade detection by the immune system? it can change the surface antigens frequently, preventing the immune system from tracking it. it can resist oxidation inside macrophages. it produces a capsule which is composed of polysaccharides similar to those found in the host. it prevents phagosome-lysosome fusion.
Protozoan trypanosome evades detection by frequently changing the surface antigens, thereby preventing the immune system from tracking it.
What are Protozoan trypanosoma?
Typanosomoa belong to the genus kinetoplastids, class trypanosomatidae. They are a group of monophyletic single celled parasitic flagellate organisms(protozoa). They infect the blood of vertebrates (even humans), which is usually transmitted by insect bites. They include some that might cause serious diseases, like sleeping sickness and chagas disease.
Symptoms caused by this protozoa include fever, irritability, headaches, swollen lymph nodes, aching muscles/ joints and even extreme fatigue. These symptoms are common for the sleeping sickness which is also called African Trypanosomiasis. This sickness is caused by the species Trypanosoma brucei, which is usually transmitted by the tsete fly, found only in the sub-Saharan Africa.
A species of the protozoa called Trypanosoma culicavium also infects birds and mosquitoes.
Prolonged infections are possible by this protozoan because it goes through antigenic variation, which is how the parasite is able to evade the antibody mediated elimination.
Hence, the protozoan trypanosoma evades detection by frequently changing the surface antigens.
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a 75 year-old male presents to the er with the following stroke findings: right-sided hemiparesis (face and hand more affected than leg), homonymous hemianopsia of the right half of both visual fields, and aphasia. where is the location of his stroke?
B-shaped middle cerebral artery. As well as sensory findings in the PCA, amourosis fugax, or visual abnormalities in the internal carotid (ACA findings more common in the legs than the hands),
What are some homonym examples?Homophones are two words that have completely different meanings yet share the same spelling or sound. One wonderful homonym is "bear," which in addition being the word of an animal, also denotes "tolerating anything."
Why are homophones used?Numerous advantageous learning opportunities are provided by homophones. With the use of homophones, students may more clearly appreciate the benefits of phonemic writing and the variations between English pronunciation and spelling.
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Why do plants appear to be green?
Plants appear green due to the presence of chlorophyll. Chlorophyll is a pigment present in the chloroplasts of the plants that absorbs blue and red regions of the light spectrum and reflects green. So, plants appear green because they reflect green light.
So, the correct answer is they reflect green light.
if you were told that you would get extra credit for finding a model showing chromosomes separating while sister chromatids were still attached, you would look for a model of
A representation that is showing chromosomes separating while sister chromatids were still attached refers to a model of Anaphase I.
What is Anaphase I in the cell division cycle?Anaphase I in the cell division cycle refers to the stage of meiosis in which sister chromatids are still attached and homologous chromosomes migrate to opposite poles of the parental cell.
Therefore, with this data, we can see that Anaphase I is one of the latter stages of first round of the meiotic cell division cycle which separates homologous chromosomes.
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Farmers across many centuries have used selective breeding (artificial selection) to enhance certain qualities in their crops. Which of the following qualities would most likely be selected for in breeding?
a. decreased nutrient composition
b. resistance to harmful pests
c. decreased harvest production
d. bioluminescence for attraction to fireflies
Farmers across many centuries have used selective breeding (artificial selection) to enhance certain qualities in their crops. Qualities such as resistance to harmful pests would most likely be selected for breeding. The correct answer to the question is option B.
What is selective breeding?
Selective breeding is of two types, inbreeding, and hybridization. Generally, selective breeding as the name implies involves selecting parents of a specific characteristic such as appearance, color, shape, fast maturity, increased yields, and so on, to breed together and produce offspring with unique characteristics.
From the question, selective breeding would make farmers want to increase their crop's resistance to harmful pests.
In summary, with the massive loss of crops due to pest attacks, farmers have continually found ways to curb this loss by producing offspring with high resistance to pests. With selective breeding, farmers will produce crops with high resistance to pests and this will save costs and reduce the use of pesticides.
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Clams burrow into the mudflats using their muscular foot. The length to which they burrow depends on what?
The length to which the clams burrow depends on the presence of soft sediments to use their muscular foot.
What is the muscular foot of clams?Clams are a group of aquatic mollusk invertebrates that exhibit a muscular foot (i.e., a muscular hatchet-shaped foot) that can be used for burrowing and also for movement purposes, i.e., for locomotion.
Bivalve mollusks not only include clams but also oysters and scallops, which are characterized to have a mantle holding a cavity for breathing purposes and also for excretion.
Therefore, with this data, we can see that clams are mollusk bivalves that have a muscular foot which they use for burrowing and also for locomotion, and the burrow they can make will depend on the presence of soft sediments in the place in order to reach the deeper layers of the soil.
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Select all the correct answers.
What happens to water when it changes to ice?
Its density increases.
Its density decreases.
Its mass increases.
Its mass decreases.
Its volume increases.
Its volume decreases.
When water solidifies to ice its volume increases keeping the mass same and therefore the density decreases.
What is solidification process?
Atoms are transformed from a liquid, disordered state through the process of solidification into an ordered solid state. By adhering to the kinetic principles, the conversion rate for the solidification process can be attained.The unique structure of a water molecule is made up of one oxygen atom and two hydrogen atoms. The peculiar arrangement of these atoms gives water certain unusual features, including its high thermal conductivity, surface tension, adhesion, and cohesion.When water freezes, the molecules get organized into a crystalline structure and take on a certain shape. Since there are spaces between individual molecules in this less dense crystalline structure, water expands as the volume of the structure as a whole rises.Ice forms as water expands, and because volume is inversely proportional to density, ice is less dense than water. This is the reason why ice, which feels heavier in its solid state than in its liquid one, floats on water.
Thus when water changes to ice its volume increases and density decreases.
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at low intensities (below 25%) what muscle fibers are primarily used/activated to support activity? select one: a. type i b. type i and type iia c. type ii
The correct answer is option B.
At low intensities (below 25%) type I and type II muscle fibers are primarily used/activated to support activity.
What are muscle fibers?
Muscle fibers are type of fibers which regulate the physical forces & activities inside the body.
The chemical composition of muscle fiber shows that they are made up of particular group of muscles - called fascicles which are protected by a layer of connective tissues.
In general, there are three types of muscles fibers: (1) slow oxidative (2)fast oxidative and (3) fast glycolytic.
Overtime, the size and composition of muscle fibers changes in order to meet the changing demands of the body.
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imagine a set of twins who are identical but do not look exactly identical (some traits differ). the study of how factors other than dna have influenced their occurrence of specific traits is known as
Epigenetics is the study of how things other than DNA have affected how often certain traits occur.
The terms "genetics" and "epigenetics" mean?The study of heredity and the diversity in inherited traits is known as genetics. Epigenetics: Epigenetics is the study of inheritable alterations in organisms brought on by altered gene expression.
What exactly does the term "epigenetics" mean?The study of epigenetics focuses on how DNA-unchanged cells regulate gene activity. The word "epigenetic" refers to factors other than the genetic code. In Greek, "epi-" means on or above. Gene activation is regulated by changes to DNA's epigenetic state, which can occur during development.
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7. how are the nadph and g3p molecules made during photosynthesis similar? 8. they are both end products of photosynthesis.
Both NADPH and glyceraldehyde-3-phosphate (G3P or GA3P) molecules use chemical bonds to store energy.
The process of photosynthesis is utilized by plants and other living things to change light energy into chemical energy that may then be released through cellular respiration to power the organism's activities.
The initial stage of photosynthesis results in the production of NADPH. The processes that take place during the second stage of photosynthesis are aided by it. For the many phases of the photosynthetic process to be completed, plant cells need light energy, water, and carbon dioxide.
Sunlight, carbon dioxide, and water are the three substrates needed for photosynthesis, which is a multi-step process. It generates glyceraldehyde-3-phosphate (G3P or GA3P), a simple carbohydrate with a high energy content that may be transformed into glucose, sucrose, or other sugar molecules, as well as oxygen.
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antibodies: question 8 options: require haptens to function make up part of the primary immune system are made from t cells are made from plasma cells none of the above
Happens are not necessary for antibodies to work. To work, it needs an antigen. They are created by T and B cells rather than T cells.
From where do happens originate?Urushiol, a reactive Quinone-type chemical, gets oxidised in the skin cells after being ingested from a poison ivy plant, where it subsequently interacts with skin proteins to form happen adducts.
Do happens cause T cells to respond?Low molecular weight substances that are unable to start an immune response on their own are referred to as happens. However, these tiny molecular weight substances can provide an antigenic determinant that can cause T-cell activation when they are covalently attached to circulating proteins.
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enzymes often utilize other inorganic molecules to function, which are termed . a) coenzymes b) cofactors c) active sites d) apoenzymes e) holoenzymes
Enzymes utilise b) cofactors for function.
Enzymes are proteins with the ability to catalyse the different reactions. The proteins may or may not require non protein parts. The protein part in enzymes requiring non protein part is called apoenzyme.
The apoenzyme binds with cofactor. The latter is further divided into prosthetic groups and coenzyme. Prosthetic groups are small inorganic molecules while coenzymes are organic molecules that bind to the apoenzyme. Prosthetic groups hind tightly but coenzymes bind loosely.
The complete enzyme with each part is called holoenzyme. Active sites are the grooves in enzymes where substrate binds and the chemical reaction takes place thus forming the product.
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the layer of adipose tissue that insulates and cushions the human body is located directly between the:
Layer of adipose tissue that insulates and cushions the human body is located directly between the: dermis and the underlying fascia.
What is the function of adipose tissue?A layer of subcutaneous fat is present between the dermis and the underlying fascia that helps to insulate the body from cold, protects deep tissues from blunt trauma and also serves as a reserve source of energy for the body.
White adipose tissue is the predominant type in adult humans, but the greatest portion of this tissue is located in the hypodermis of the skin.
Adipose tissue is found below the skin and around the heart and other organs, which is used for insulation, energy, and organ protection.
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The acquisition of traits by their transmission from parent to offspring is called?.
The acquisition of traits by their transmission from parent to offspring is called hereditary.
Acquired tendencies, or acquires traits aren't transmitted via duplicate to offspring.
The changes that make up obtained tendencies can tackle a lot of paperwork and degrees of visibility, however all of them have a comparable trait. After birth, they modify a dwelling organism's shape or feature in a few way. The tendencies which can be transmitted from dad and mom to offsprings is known as heredity or inheritance.
Heredity, usually called inheritance or organic inheritance, is the technique with the aid of using which features are exceeded down from one era to the next. Whether via asexual duplicate or sexual duplicate, the offspring cells or organisms collect the genetic makeup in their dad and mom. Genetics is the examine of heredity in biology.
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Please help due tonight.
Answer:
Increasing the greenhouse effect. (Hope this is right)
Explanation:
Carbon dioxide is what we breath out and fills the air with heat. This heat builds up and in turn... changes to a increase in the greenhouse effect. The greenhouse effect is known as a process of trapping in heat in the Earth's surface.
if activity in the photosensitive retinal ganglion cells was inhibited, which region would lose direct input?
Inhibition was applied to the photosensitive ganglion cells. the hypothalamus's suprachiasmatic nucleus.
What is another word for inhibit?Forbid, interdict, & prohibit are a few typical synonyms for obstruct. Inhibit indicates limits or restrictions that are equivalent to prohibitions, not just by power but also by demands of the moment or situation. Each of these phrases mean "to prevent it from doing something or to command that something not be done."
Is inhibited the same as stop?To stifle, obstruct, imprison, and restrict (an action, impulse, etc.). to forbid or prohibit. psychology. to inhibit or suppress, whether knowingly or subconsciously (psychologically or sociologically unacceptable behavior). To stop or slow down the process of in chemistry (a chemical reaction).
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Harrison is frequently nervous, tense, and worried, both at work and at home. He likely scores low on which of the big five personality dimensions?.
Harrison is frequently nervous, tense, and worried, both at work and at home, thereby he likely scores low on which of the emotional stability personality dimension.
What are the personality dimensions?The expression personality dimensions makes reference to major human features that shape the personality and behavior of an individual in society.
These dimensions include:
OpennessConscientiousnessExtraversionAgreeablenessNeuroticismTherefore, with this data, we can see that the personality dimensions are five and they are able to shape the major personality traits in the individuals that live in a particular society.
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Question 1 of 10
Carbon, hydrogen, and oxygen can combine to form monomers called fatty
acids. Which type of macromolecule contains many fatty acids?
A. Lipid
B. Nucleic acid
C. Protein
D. Carbohydrate
SUBMIT
Answer:lipid
Explanation:
Alicia conducted an experiment to find out which insulating material holds in the most heat. She did multiple trials of each test and recorded observations of each trial.
Why did Alicia most likely do more than one trial? Check all that apply.
to increase the reliability of her data
to provide a better understanding of the concepts she investigated
to prevent other people from using the data incorrectly
to help in arriving at a conclusion even with inaccurate data
to reduce the likelihood of errors in the experiment
To lessen the chance that the experiment may make mistakes in the insulating material experiment.
Although more costly, aerogel is unquestionably the greatest insulating material. Fiberglass is inexpensive but needs to be handled carefullyin the experiment. Although useful, mineral wool is not fire resistant material. Efficacious, eco-friendly, and fire-resistant cellulose is difficult to apply. Wool, especially Icelandic wool, is warmer than polyester and cotton according to science. The greatest sportswear for keeping warm when training in the cold is spandex, followed closely by gore-tex. The best fabric for keeping you warm is a wool-acrylic combination, followed by cotton-acrylic. Due to the experiment may make mistakes great thermal resistance as one of the insulation materials, urethane foam is frequently used in home building. It can be produced as a spraying or in other forms.
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The equalizing temperature changes in response to changes in external forces of the boundary conditions of climate. What is this about?.
Climate sensitivity is about equalizing temperature changes in response to changes in external forces of the boundary conditions of climate.
The increase in global temperature that results from doubling the amount of carbon dioxide in the atmosphere above pre-industrial levels is commonly used to describe climate sensitivity. When doubling, carbon dioxide would be at about 520 parts per million (ppm), up from about 260 ppm before the industrial era. When compared to levels in the atmosphere prior to humanity beginning to burn copious amounts of fossil fuels in the 1800s, carbon dioxide and other greenhouse gases are multiplied by two to define climate sensitivity.
Climate sensitivity can be assessed using observed ocean heat absorption, observed temperature rise, and modeled or real-world radiative forcing. To determine climate sensitivity, the data are connected using a straightforward energy balance model.
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in cellular respiration, what is the relationship between the energy content of the reactants (glucose and o2) and products (co2 and h2o)?
There must be a difference between the energy contents of the reactants (glucose and oxygen) and the products (CO2 and H2O).
The citric acid cycle, the glycolytic cycle, and the electron transport chain are the phases.the citric acid cycle, the glycolysis process, and the electron Oxygen + Water + Glucose (sugar) + Carbon Dioxide CO2 + H2O C6H12O6 + 6O2 Cellular respiration, also known as aerobic respiration, is a sequence of chemical processes that start with the reactant molecules of sugar and oxygen and end with the waste products of carbon dioxide and water, transport network.
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two martians fall in love and marry. one martian is homozygous for red eyes and the other is heterozygous. the recessive eye color is purple. what is the probability that they will have a child with purple eyes (assuming martians have similar genetics to humans)?
In terms of red eyes, one Martians is homozygous while the other is heterozygous. Purple eyes are recessive in color. Because it will be 50% homozygous (AA) and 50% heterozygous, there is 0% chance.
To have purple recessive eyes, we must have at least one recessive pair (aa).AA × Aa , there will be no progeny which shows aa genotype Each gene has two alleles that an individual inherits from each parent.
When a characteristic is recessive, both of the (recessive) alleles of the gene that causes the trait must be present for the trait to manifest. When just one copy is present, a recessive allele does not create a characteristic at all.
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11.4 what type of resolution response occurs with each of the following? (a) splinter (b) degradable tissue engineering scaffold (c) titanium bone screw (d) degradable meniscal arrow (used to repair meniscal tears) (e) breast implant (f) artificial heart valve leaflet (g) catheter (h) surface scar tissue (scab) (i) coral implant for bone repair
Extrusion resolution are Splinter, Surface scar tissue (scab), Resorption resolution are Degradable tissue engineering scaffold, Degradable meniscal arrow (used to repair meniscal tears), Integration resolution are Titanium bone screw, Artificial heart valve leaflet, Coral implant for bone repair and Encapsulation resolutions are Breast implant, Catheter.
During the transition from infection to decision, lipid mediator elegance switching takes vicinity wherein preliminary formation of proinflammatory mediators set off the manufacturing of enzymes that allow the reprogramming of leukocytes to generate specialised pro-resolving lipid mediators (SPMs) from the equal PUFA precursors.
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Alex was brought into the clinic by his
football coach that stated that Alex is
delirious, has intense cramps and has been
vomiting since he drank over 1000 mL of
water in under 45 minutes at football
practice.
Normally, the sodium concentration inside
the cells is equal to the sodium
concentration outside of the cell. However,
drinking this much water in a short amount
of time will cause the inside
of the cell to become diluted.
To compensate, water from
the outside of the cell will
rush into the cell, causing
water intoxication.
Which cell
organelle
allows this to
happen?
Answer:blood
Explanation:
The cell membrane allows water to rush into the cell when it becomes diluted due to excessive water intake.
The cell organelle that allows water to rush into the cell when it becomes diluted due to excessive water intake is the cell membrane. The cell membrane is selectively permeable, meaning it controls what substances can enter and leave the cell.
In this case, the dilution of the cell causes the concentration of solutes inside the cell to be lower than the concentration outside, leading to osmosis, where water molecules move from an area of higher concentration to an area of lower concentration through the cell membrane.
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how do these data on the interactions of species of trees within a forest at a particular successional stage, support hypotheses and conclusions about how species interactions can drive/govern/control succession?
Interspecific relations support hypotheses and conclusions about how species like trees within a forest at a particular successional stage can drive/govern/control succession.
The relationship between one species and another inside a community has advanced through their intelligence, based on the prerequisite and the mode of sustenance and protection additionally on the propensities of species.
The connections between individuals of distinctive populaces are named interspecific relations.
Competitive intelligence between woodland trees is driven by species’ characteristic pecking order, not phylogenetic or utilitarian likeness: suggestions for woodland community assembly.
We assessed these hypotheses utilizing two approaches:
(1) by evaluating interaction qualities between species sets from the tree development information and
(2) by testing whether changes in community structure along successional arrangements compare most unequivocally with one hypothesis over another.
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