What occurs when the macromolecule pictured above mixes with water
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it fails to dissolve in water
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A key is a sorting device that lists choices between certain observed characteristics. A dichotomous key is the simplest means of identification. The word dichotomy means "cut or split into two parts." Hence, a dichotomous key is a two-part or two-choice key. It asks whether a particular organism has one trait or another—either yellow or brown, either large or small, etc. For this project, you will classify different pieces of fruit by responding to dichotomous questions. In the fruit lab below, respond to the questions to help the computer identify all the pieces of fruit. After conducting the fruit lab, answer the following questions: What was your identification accuracy? Identify at least three types of characteristics that you were asked about as you helped the computer identify a fruit. How is the fruit lab like a dichotomous key?
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types of characteristics that you were asked about as you helped the
computer identify a fruit. Is the exterior of the fruit reddish
including purple , is the fruit firm or soft How is the fruit lab like a dichotomous key , a dichotomous key is two paired sentences that are contrasting things
not a 100% sure
How might mendel's conclusions have differed if he had studied two traits determined by alleles carried on the same chromosome?
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A dihybrid cross would give in the F2 a ratio of 3:1 instead of 9:3:3:1.(assuming no crossing over)
If Mendel had studied two traits determined by alleles carried on the same chromosome, then he would not have observed independent assortment.
What is Mendel's law of independent assortment?According to Mendel's law of independent assortment, The zygote inherits distinct features from several alleles independently of one another.
Mendelian dihybrid crosses are an excellent illustration of autonomous assortment. Round green and wrinkled yellow are two novel pairings that indicate the genes responsible for seed color and shape are independently sorted. He observed nine plants with round yellow, round green, wrinkled yellow, and wrinkled green seeds in the 9:3:3:1 ratio in the F2 generation.
Therefore, Mendel would not have observed independent assortment, if he had studied two traits determined by alleles present on the same chromosome.
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Which forearm bone(s) contribute(s) most heavily to the elbow joint? the humerus the carpal bones the ulna the radius?
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The ulna and the radius bones contribute most heavily to the elbow joint.
Explanation:The ulna and the radius bones contribute most heavily to the elbow joint.
The ulna is located on the medial aspect (pinky-finger side) of the forearm, and it is longer than the radius. It articulates with the humerus at the elbow. The radius is located along the lateral (thumb) side of the forearm and also articulates with the humerus at the elbow.
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Your patient is a 29-year-old man who works in a meat-processing plant. he received a knife wound in the proximal anteromedial thigh, which is continuing to bleed on your arrival. he is restless and thirsty and has pale, cool skin. he has a weak radial pulse of 130 and a blood pressure of 118/88 mmhg. this patient is exhibiting signs and symptoms consistent with a class ________ hemorrhage.
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- Class II hemorrhage i determined if a patient's blood loss ranges from 15 to 30% of the blood volume, and Fluid resuscitation with crystalloid plus a blood transfusion is a must with this type of patient.
How does studying science help you be a better member of society? (1 point)
A. Learning the biases of science will help you know what is right or wrong.
B. Understanding how science works will help you make better decisions
C. Memorizing science facts will help you become more intelligent.
D. Knowing science will help you live without the aid of technology.
PLEASE HELP !!!
Answers
The answer to this would be B) Understanding how science works will help you make better decisions!
A student is studying the ecology of a playa lake, which forms after a rainfall in a dry lake bed. the table lists the organisms that the student observed. which level of biological organization has the student described in the table?
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There are different levels of organization in Biology, more specifically Ecology, and these levels are listed below and explained in order from the highest to the lowest level.
The biosphere, which includes the largest part of the Earth, represents all living organisms on the land, in the ocean, and in the atmosphere.
An ecosystem is the next level of organization, which is a specific area with living organisms. It includes all the living organisms in that area but also the non-living environmental aspects, so it includes both biotic and abiotic factors.
A community includes all biotic factors of a specific area, so it is the biotic part of an ecosystem. This means that a community refers to all the populations of different species that live in a specific ecosystem and interact with each other.
A population is a level below a community, and above species, which refers to all of the individual organisms of one species that live in a specific community and interact with each other.
A species is a group of organisms that live in the same area, and interact with each other to breed, to produce viable offspring. All members of a species are genetically related and can be bred to produce fertile offspring.
Since the student in the example is observing a lake, which is an ecosystem, and he listed all the living organisms he found in that lake, we can conclude that the level of organization observed in the table is community. He described different shrimp species, and an insect species, and he didn't describe any abiotic factors, so that brings us to the level of community.
The major disadvantage of a blood-brain barrier is that ____.
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The answer is a certain required chemicals must be actively transported. Blood brain barrier is a selective membrane that separates blood circulating from the brain and the fluid of extracellular in the central nervous system. This is also called a filtering mechanism, the capillaries that carry blood to the brain and spinal cord tissue blocking the path way of the certain substance.
n the 1960s, new evidence helped support the theory of continental drift and change it into the theory of plate tectonics. What was this new evidence?
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Antimicrobial agents that damage the viral envelope __________.
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Antimicrobial agents that damage the viral envelope effectively inhibit viral growth without harming the host by disrupting the virus's ability to attach to and enter host cells.
Explanation:Antimicrobial agents that damage the viral envelope are effective in inhibiting viral growth without damaging the host. These agents interfere with the integrity of the viral envelope, which is composed of lipids and proteins. By disrupting the envelope, the agents prevent the virus from attaching to and entering host cells, thereby inhibiting viral replication. One example of an antimicrobial agent that damages the viral envelope is Tamiflu, which inhibits the viral enzyme neuraminidase found in the influenza viral envelope.
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3. How would you date a sample of rock that you suspect as being one of the earliest on Earth? (1 point)
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Which group of humans is likely to experience the most devastating symptoms of toxoplasmosis?
the elderly
pregnant women
infants
unborn babies
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The answer is unborn babies.
Toxoplasmosis can have serious consequences for unborn babies during pregnancy.
Toxoplasmosis is caused by the parasite Toxoplasma gondii and can lead to severe complications, especially in certain groups. Among the options provided, unborn babies are likely to experience the most devastating symptoms of toxoplasmosis if the infection occurs during pregnancy.
Why are defense systems needed in multicellular organisms?
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After mars the next most likely candidates for life in the solar system are
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Why is it more practical to prepare karyotypes by looking at somatic diploid cells rather than haploid gametes?
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The haploid gametes only contain half of the chromosomes. That is why it is more practical to prepare karyotypes by looking at somatic diploid cells rather than haploid cells.
What is karyotyping?
It is a test for examining the chromosomes in a given sample of cells. This test is used for identifying the genetic problems that have resulted in a disorder or disease. Almost any tissue can be used for performing this test. These can include Amniotic fluid, Blood, Bone marrow, or even placenta.
The test is performed by placing the sample in a special dish or a tube. It is then allowed to grow in the laboratory. Then the cells are later taken from the new sample and are then stained.
A microscope is then used for to examine the size, shape, and number of chromosomes in the sample of cells. The sample that is stained is photographed for showing the arrangement of the chromosomes. This arrangement is called a karyotype.
This can be used for identifying certain problems through the number of chromosomes or the arrangement of the chromosomes. Thousands of genes are stored in DNA and the basic genetic material is present in the chromosome.
Therefore, the haploid gametes only contain half of the chromosomes. That is why it is more practical to prepare karyotypes by looking at somatic diploid cells rather than haploid cells.
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One scientist who attempted to explain how geological processes, such as rock layers, form and change over time was
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I hope this is the answer you were looking for. I believe I’ve answered a question similar to this before!
~Brooke❤️
One scientist who attempted to explain how geological processes, such as rock layers, form and change over time was Charles Darwin, as he is one of the scientists who has given most of the prominent theories on the evolution of species.
What is the significance of Charles Darwin?Charles Darwin made numerous contributions to the field of evolution, including proposing the theory of evolution by natural selection, which explains the origin of species, and providing a scientific explanation for life's diversity. Darwin has also made major contributions to the fields of biology, geology, and palaeontology.
Hence, one scientist who attempted to explain how geological processes, such as rock layers, form and change over time was Charles Darwin, as he is one of the scientists who has given most of the prominent theories on the evolution of species.
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Why is the largest dna fragment band found closest to the well in which it was placed?
Answers
In agarose gel electrophoresis, larger DNA fragments migrate less due to the molecular sieve effect of the gel matrix which impedes their movement. Thus, they are found closer to the well they were loaded into, while smaller fragments move farther away.
Explanation:The largest DNA fragment band is found closest to the well in because it travels slower through the gel during agarose gel electrophoresis. During this process, DNA fragments are loaded into a gel and an electric field is applied. Due to its negative charge, DNA moves towards the positive electrode. However, the gel matrix forms a molecular sieve, impeding the movement of larger molecules, allowing smaller fragments to pass through more readily. Hence, larger DNA fragments migrate less, staying closer to the well from which they were loaded, while smaller fragments travel farther.
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Stem cells that will form b cells or nk cells are found only in the
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Collection of glands that secrete hormones into the blood which regulate growth, development, and homeostasis.
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The brainest answer would be apprenticed.
187 to achieve the maximum benefit for the heart when exercising, the heart rate (in beats per minute) should be in the target heart rate zone. the lower limit of this zone is found by taking 70% of the difference between 220 and the age of the person. the upper limit is found by using 85% of the difference. complete parts a through
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Answer:g
Explanation:
For gorilla my guy
Compare/contrast Lamarck's explanation of evolution with Darwin's theory of evolution by natural selection.
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For Example, the majestic GIRAFFE! :-)
-Darwin's Theory says giraffes with long necks would be better suited for their African Savannah and would live and reproduce better than giraffes with short necks (natural selection). The short neck gene would.eventually die off.
-Lamarck's Theory says crave perfection. Giraffes with short necks would eventually grow longer necks instead of in Darwin's Theory, dying out. He then concludeds his theory that the giraffes with the better genes will get control over the gene pool aka the good genes are used more, but the bad genes don't just die out like in the other theory.
Hope this helps! :-)
Both Lamarks's theory and Darwin's theory both emphasize the evolution of species from simple life forms.
Evolution is the idea that complex life forms came from simple life forms. There are two basic approaches to the study of evolution;
Darwin's theoryLamark's theoryThe main difference between the Darwin's theory and Lamark's theory is that Darwin's theory emphasized natural selection while the Lamark's theory emphasized the use and disuse of body parts.
However, the two theories provides a vital approach to studying the evolution of complex life forms from simple life forms:
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Nuclei of atoms that make up a newborn baby were made in the
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Ancient stars exploded many years ago and this is the same nuclei where newborn babies are being made.
Increased activity of phosphodiesterase in a target cell would decrease its level of
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Which cranial nerve is responsible for transmitting visual information?
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The optic nerve is the cranial nerve responsible for transmitting visual information from the eye to the brain. It is one of the 12 cranial nerves in the human body which each have unique functions. Some cranial nerves transmit sensory information, others transmit motor information, and some a combination of both.
Explanation:The cranial nerve responsible for transmitting visual information is the optic nerve. This nerve function includes transmitting visual signals from the eye over the axons of retinal ganglion cells, which form the optic nerve, to the brain. Specialized cells within this nerve carry various types of information such as form, movement, depth, brightness, color, and fine detail.
Humans have a total of 12 cranial nerves, each providing unique functions. For example, the olfactory nerve is responsible for transmitting information about smells from the nose to the brainstem, and the oculomotor nerve controls the opening and closing of the eyelid and some eye movements. However, when it comes to the transmission of visual information, the optic nerve is the primary player.
Generally, some cranial nerves transmit only sensory information, others mainly motor information, and some contain a mix of sensory and motor fibers, catering to the complex needs of our biological system.
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What does temperature measure?
the number of atoms
the number of calories
the amount of heat energy
the amount of matter
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it is either the Number
of atoms or the amount of matter
The client has difficulty swallowing and requests the nurse to crush all the medications. the nurse notes a client prescribed an extended-release opioid requests that all medications be crushed to facilitate the administration. what information about this form of opioid presents a problem respecting the client's request?
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A skeletal muscle deprived of adequate atp supplies will _____. a skeletal muscle deprived of adequate atp supplies will _____. sequester all free calcium ions into the sarcoplasmic reticulum immediately relax enter a state where actin and myosin are unable to separate fire many more action potentials than usual and enter a state of "rigor"
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A skeletal muscle deprived of adequate ATP supplies will enter a state of rigor mortis.
When a skeletal muscle is deprived of adequate ATP supplies, it enters a state known as "rigor mortis." Rigor mortis is a natural post-mortem phenomenon that occurs in the muscles of a deceased organism, typically a human body.
Here's how it happens: ATP is essential for muscle contraction and relaxation. During life, ATP is constantly produced and used to power the cross-bridge cycling between the protein filaments actin and myosin in muscle cells. This cycling allows muscles to contract and relax as needed for various movements.
However, when an organism dies, ATP production ceases, and the available ATP is depleted. Without ATP, the myosin heads that are firmly attached to actin cannot detach from it. As a result, the muscle becomes rigid and locked in a contracted state. This rigidity is what we observe as rigor mortis.
The onset of rigor mortis typically occurs a few hours after death, peaks around 12-24 hours after death, and then gradually dissipates as the muscle proteins break down due to enzymatic processes and decomposition. It's important to note that rigor mortis is a temporary condition and does not last indefinitely. The exact timing and duration of rigor mortis can vary depending on factors like temperature, pH levels, and the individual's overall health at the time of death.
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If a skeletal muscle lacks adequate ATP, it enters a state of rigor where the muscle remains contracted because the actin and myosin proteins cannot separate. The muscle does not immediately relax, sequester all free calcium ions, or fire many more action potentials.
Explanation:A skeletal muscle deprived of adequate ATP (adenosine triphosphate) supplies will enter a state known as rigor. This is because ATP is essential for muscle contraction and relaxation. Without enough ATP, the actin and myosin proteins within the skeletal muscle fibers cannot detach from each other, causing the muscle to remain in a contracted state, or rigor. Therefore, the muscle does not relax immediately or sequester all free calcium ions into the sarcoplasmic reticulum, and it does not fire many more action potentials than usual. Skeletal muscles need ATP to function correctly and carry out processes like muscle contraction and relaxation.
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Which type of nucleic acid is responsible for the transmission of information from the genetic code in the nucleus to the ribosome?
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In some viruses, RNA contains the genetic information. RNA is of three types, they are tRNA (transfer RNA), mRNA (messenger RNA) and rRNA (ribosomal RNA). Messenger RNA, as the name suggests acts a messenger. It carries genetic information sequences between DNA and ribosomes, and it also directs protein synthesis.
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brainlliest?
Coconut milk used in tissues culture enhances cell division and plant growth. What is the active ingredient in coconut milk that causes this effect? 1. The plant hormone cytokinin 2. The plant hormone abscisic acid 3. The plant hormone ethane
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Which of the following most closely models the behavior of a sunspot?
A.
a freckle
B.
an eyelash
C.
a birthmark
D.
a lip
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A.) A Freckle
Answer: A. a freckle
Explanation: hope this helps
When hair samples are taken, they are generally cut off about half way to the root.
a. True
b. False?
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Answer:
B. False
Explanation:
I took the test!!