Bioinformatics is a subdiscipline of biology/computer science concerned with the acquisition, storage, analysis, and dissemination of biological data. This helps organize and determine nucleotides of a given DNA molecule from known data about biological data through computer sustems.
** The Human Genome Project increased speed of DNA sequencing and lowered the cost. Basically made it more efficent.
Check out Bioinformatics lectures and websites! You will gain a better understanding of how this is helpful for sequencing DNA.
If long-term higher global temperatures continue to rise on Earth which aspect of the water cycle will most likely occur more rapidly?
Answer:
evaporation
Explanation:
because the more heat that hits the water the more it evaporates
If long term higher global temperature continue to rise on Earth which aspect of the water cycle will most likely occur more rapidly
The correct answer is :
It affects the evaporation and precipitation.
What is water cycle?
It is the cycle process by which water circulates between the earth's oceans, atmosphere, and land. It involves precipitation as rain and snow, drainage in streams and rivers.This precipitate water returns to atmospheric by evaporation.What affects the parts of water cycle?
Change in climate affects the parts of the water cycle to speed up if the temperature increases.Than it leads to increase in the rate of evaporation. Increase in evaporation cause more precipitation.So, evaporation is the correct answer.
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In garden peas, the allele for tall plants (D) is completely dominant to the allele for dwarf plants (d). The allele for violet flower color (W) is completely dominant to the allele for white flower color (w). In a cross between a tall, violet plant (DDWw) and a dwarf, white plant, what phenotypic ratios of the progeny would be predicted? * Why?
Answer:
Learn vocabulary, terms, and more with flashcards, games, and other study tools. ... According to Mendel, what kinds of genes "disappear" in F1 pea plants? ... The allele for tall (D) is dominant to the allele for dwarf (d), and the allele for purple (P) ... A tall plant with purple flowers crossed with a dwarf plant with white flowers ...
Explanation:
If there is a cross between a tall, violet plant (DDWw) and a dwarf, white plant, the progeny would be 100% tall and 50% violet.
What is complete dominance?In genetics, complete dominance means that only one gene from the allele pair is expressed. If an organism has both the dominant and the recessive genes, the organisms is said to be heter--ozygous.
Thus if there is a cross between a tall, violet plant (DDWw) and a dwarf, white plant, the progeny would be 100% tall and 50% violet because the dominant gene is always expressed.
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what is not an effect of parathyroid hormone (pth)?what is not an effect of parathyroid hormone (pth)?increased absorption of calcium ions by the small intestineincreased osteoblast activityincreased reabsorption of calcium ions from fluid in the kidneysincreased release of calcium ions from bone
Increased osteoblast activity is not an effect of PTH. Osteoblasts are cells responsible for bone formation, and PTH stimulates osteoclasts, which are cells that break down bone tissue to release calcium into the bloodstream.
One of the primary functions of parathyroid hormone (PTH) is to regulate calcium levels in the body. PTH acts to increase the concentration of calcium ions in the bloodstream by promoting the release of calcium from bone tissue, increasing reabsorption of calcium ions from the kidneys, and enhancing absorption of calcium from the small intestine. However, increased osteoblast activity is not an effect of PTH. Osteoblasts are cells responsible for bone formation, and PTH stimulates osteoclasts, which are cells that break down bone tissue to release calcium into the bloodstream. While PTH can indirectly influence bone formation by regulating calcium levels, its primary role is to regulate calcium balance in the body by mobilizing calcium from bone tissue and increasing its reabsorption and absorption.
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Can you think of a physiologic process that is not under the control of a homeostatic reflex system?.
Hair and nail growth are not homeostatically controlled. There is no miracle in using exuberance to handle these procedures. The disadvantage is that they can produce very long and interrupt normal activities.
Hair and nail growth are not homeostatic ally controlled. The disadvantage is that they can produce very long and interrupt normal activities.
What is homeostasis ?It is a physiological process where body to maintain the internal environment in response to changes in outer external environment.
Internal environment means the interstitial fluids while external environment refers to the environment in which organisms live.
Any fluctuation in homeostasis leads to death or a disease of an organism, called as homeostatic imbalance.
The diseases include diabetes, dehydration, hypoglycemia, hyperglycemia, gout etc.
The controlling factors of homeostasis are stimulus can be any physical, chemical or environmental factors leads to deviation of normal body’s environment
Receptor receives the stimulus and pass to the control center like neuron.
Regulator can control coordinator center receives and processes information from the receptor like Hypothalamus.
Effector can control commands from stimulus like Glands, muscles
Response refers to any reaction response to the stimulus.
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A student was told that a drawing of a bacterial cell had been magnified 30 000 times. The lengthof the drawing was 45 mm.What was the actual length of the bacterium? (1mark)A) 0.15 mmB) 1.5μmC) 0.66 mmD) 0.66μm
The actual length of the bacterium is B) 1.5μm
A communication plan can help family members stay in touch during an emergency. (3 points) True False
Answer:
true
Explanation: I got it right on my test
Answer:
I think it's true
Explanation:
What is true of the elevation of every point along any given contour line?
Answer:
Every point on a contour line is of the exact same elevation
Explanation:
Every point on a contour line is of the exact same elevation. In other words, contour lines connect points of equal elevation. By definition, contour lines separate points of higher elevation from points of lower elevation.
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a strain of streptococcus pneumoniae is no longer able to synthesize its capsular polysaccharide. what is a likely outcome? view available hint(s)for part h a strain of streptococcus pneumoniae is no longer able to synthesize its capsular polysaccharide. what is a likely outcome? it will produce more potent toxins which damage the host it will be readily phagocytized upon entering the host it will not be able to appropriately transport ions across its plasma membrane it will no longer be able to carry out fermentation it will no longer be motile
If this strain is no longer able to synthesize its capsular polysaccharide, a likely outcome is that it will be more readily phagocytized upon entering the host.
Correct option is B.
Additionally, this strain will no longer be able to carry out fermentation and so it will be unable to synthesize ATP via glycolysis, leading to a reduced capacity to transport ions.
Furthermore, there is a strong likelihood that this strain will produce more potent toxins, which could cause more damage to the host. Lastly, the strain will no longer be motile, which makes it more difficult to spread and increases its chance of being outcompeted by fitter competitors. All of these will contribute to a greater difficulty for these bacteria to proliferate and cause disease.
Correct option is B.
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Correct question is :
a strain of streptococcus pneumoniae is no longer able to synthesize its capsular polysaccharide. what is a likely outcome?
a. it will produce more potent toxins which damage the host
b. it will be readily phagocytized upon entering the host
c. it will not be able to appropriately transport ions across its plasma membrane
d. it will no longer be able to carry out fermentation it will no longer be motile
to date, most of our natural antibiotics have been found to be produced by members of what genus? group of answer choices bacillus streptomyces penicillium cephalosporium paenibacillus
Most of our natural antibiotics have been found to be produced by members of the Streptomyces genus.
What are the natural antibiotics?To date, most of our natural antibiotics have been found to be produced by members of the genus Streptomyces. Streptomyces is a genus of bacteria that includes many species that produce antibiotics, such as streptomycin, tetracycline, and erythromycin.
These antibiotics have been used to treat a wide range of bacterial infections in humans and animals. Bacillus and Paenibacillus are also genera of bacteria that produce antibiotics, but they are less commonly used in medicine.
Penicillium is a genus of fungi that produces the antibiotic penicillin, while Cephalosporium is a genus of fungi that produces cephalosporin antibiotics. However, most of the natural antibiotics used in medicine today are produced by Streptomyces species.
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what is the function of cellulose in a plant cell?
a strengthening substance for the cell wall
a nutrient to help plants grow
an enzyme used during photosynthesis
a molecule that enhance the green color of a plant
Answer:
a strengthening substance for the cell wall
Explanation:
Cellulose is a major component of cell walls that and is what makes plant stems, leaves, and branches so strong.
Also, I took the test.
The function of cellulose in a plant cell is a strengthening substance for the cell wall. (Option A)
How does cellulose play this role?Cellulose plays a crucial role in plant cells as a strengthening substance for the cell wall.
It is a complex carbohydrate made up of long chains of glucose molecules, forming a rigid structure.
Cellulose provides structural support to plant cells, allowing them to maintain their shape and resist mechanical stress. It contributes to the rigidity and strength of the cell wall, enabling plants to grow upright and withstand external pressures.
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According to the article, how do relationships between teens and their peers change during adolescence?
Answer:
The relationship changes as follows
Explanation:
When people are during adolescence , they are attracted and be close to members of the opposite gender compared to people before adolescents who are very close to people of the same gender
Explanation:
Generally, during adolescence, the relationship between the teen and their peers increases, as during the teen years, due to many hormonal changes, the teen shows different behaviors and tends to rely more on their peers than their parents.
What are the changes observed in adolescence?Many changes occur in the individual during adolescence as a result of hormonal secretions that lead to behavioral changes and changes in relationships ,here strictness is not liked by individuals at this age, so they are more likely to believe and trust their friends than their parents as there are many types of emotional changes are seen.
Hence, during adolescence, the relationship between the teen and their peers increases, as during the teen years, due to many hormonal changes, the teen shows different behaviors and tends to rely more on their peers than their parents.
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Pls answer :/ this is 20 point''s
Answer:
S
Explanatie
I am pretty sure that the right answer
As I descend, I need to equalize air spaces. Which of the following are accepted way if equalizing my ears?
a. Block my nose and attempt to gently blow through it
b. Swallow and wiggle the jaw from side to side
c. Block my nose and blow forcefully for an extended period
The majority of divers are instructed to equalize by gently blowing while squeezing their nose.
How can you equalize your ears the best? Getting air to move from the neck to the ears through the opening of the typically closed eustachian tubes is essential for safe equalization.Most divers are instructed to equalize by gently blowing while squeezing their nose.With this light pressure, the eustachian tube is opened, allowing air to flow slowly into the middle ear.The majority of divers train using this technique:Blow through your nose while pinching or closing your nostrils against the mask skirt.Normally, the ensuing increase in throat pressure pushes air up your Eustachian tubes.The Valsalva maneuver is the most popular equalization method used by scuba divers and novice freedivers.By trying to exhale through your nostrils against your pinched nose, you just constrict your nose and exert pressure with your diaphragm.Usually, when you try this, your ears will inflate.To learn more about ears refer
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Why does heating up a protein such as an enzyme cause it to lose function?
A. because it burns up
B. because it loses its shape
C. because it works best at low temperatures
D. because it shows they are contaminated
The correct option is (B) because it loses its shape. Heating the proteins results in it to loses its function as it loses its shape.
Enzymes are proteins, and proteins are made up of the long chains of amino acids. These amino acids form a unique form specific to the enzyme. When these are heated, they then, can change the form of the enzyme. This is because when they get heated, the bonds between the amino acids that make up the protein can break.
When the bonds that shape the protein are broken, enzyme can no longer interact with its substrate and finally loses its function. In other words, we can say that heat can alloy an enzyme and prevent them from performing the reaction it was designed for.
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how do thick and fleshy leaves of aloe vera help in adaptation?
Answer:
Aloes adapt to this by using their tissue to store large volumes of water. Aloe vera has thick and fleshy leaves, which are enlarged to accommodate the aqueous tissue. ... Carbohydrates synthesized in excess of that needed for energy are transported by the phloem to the cells in the leaf pulp.
Explanation:
honestly thank you dude
Answer: what do you mean?
does anyone have 4.01 for science 8th grade pls help me
WHAT CAN LARGE CELLS DO TO INCREASE THEIR TOTAL SURFACE-TO-
VOLUME RATIO?
Answer:
infolding of membranes
look at a picture of a mitochondria the cristae are a great example of this weaving in and out of the center of the organelle to increase surface area
Explanation:
Question 14 (2 points) The process of evolution that involves a change in the DNA sequence that leads to evolutionary change is called natural selection. O mutation. genetic drift. migration.
The process of evolution that involves a change in the DNA sequence that leads to evolutionary change is called a mutation.
A mutation is a sudden and lasting alteration in the DNA sequence that can influence genetic variation. Changes in the DNA sequence can influence phenotype, which may or may not have an effect on an organism's fitness. Mutations occur spontaneously, either from errors in DNA replication or from exposure to mutagenic agents. Mutations may happen in either coding or non-coding regions of the DNA, and they can be either silent or expressed.
Evolution is a natural process that results in the gradual change of inherited characteristics in populations over generations. It is the process of alteration in the inherited characteristics of species over successive generations. In other words, it is the process of gradual changes that happen to species over time as they adapt to their environments. It can be defined as a change in the gene frequency in a population over time.
Types of Evolution 1. Natural Selection 2. Genetic Drift 3. Gene Flow 4. Mutation 5. Non-Random Mating 6. Admixture 7. Mutation Pressure 8. Genetic Draft 9. Bottleneck and Founder Effect 10. Sexual Selection the process of evolution that involves a change in the DNA sequence that leads to evolutionary change is called a mutation.
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WILL MARK BRAINLIEST!!!!!!!
Your class is learning about genetic engineering and the use of model organisms. You are divided into groups to debate this topic. Construct a statement against the use of model organisms, such as the zebrafish, in this research
Statement against the use of model organisms, such as the zebrafish, in genetic engineering research: The use of model organisms, including the zebrafish, in genetic engineering research raises ethical concerns and may not accurately reflect the complexities and intricacies of human biology, limiting the relevance and reliability of the findings.
While model organisms like zebrafish offer advantages such as rapid reproduction, transparency of embryos, and genetic manipulability, it is important to acknowledge their inherent differences from humans. Genetic engineering research heavily relies on the assumption that findings in model organisms will directly translate to humans, but this oversimplification can lead to misleading results and potentially dangerous applications.
Model organisms lack the complexity and physiological intricacies of humans, making it difficult to accurately extrapolate findings to human biology. The variation in genetic makeup, gene regulation, and environmental factors between species can significantly impact how genetic modifications are expressed and function. This disparity raises concerns about the reliability and applicability of using model organisms as accurate representations of human biology, potentially leading to ineffective or even harmful outcomes when applied to human treatments or interventions.
Additionally, the use of model organisms in genetic engineering research raises ethical considerations. These organisms are subjected to invasive procedures, genetic manipulation, and potentially harmful interventions. While ethical guidelines are in place to ensure their welfare, questions about the moral implications of manipulating the genetic makeup of these organisms and the potential unforeseen consequences on their well-being still persist.
In conclusion, while model organisms like the zebrafish have contributed valuable insights to genetic engineering research, their limitations in accurately reflecting human biology and the ethical concerns surrounding their use warrant careful consideration. Relying solely on model organisms may hinder the progress and applicability of genetic engineering research in the context of human health and well-being.
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indicate some mechanisms by which hormones exert their effects.
Hormones exert their effects through a variety of mechanisms, such as Receptor-mediated signaling, Second messenger systems, Gene regulation, Ion channel modulation, Enzyme modulation.
A) Receptor-mediated signaling: Hormones bind to specific receptors on the surface or within cells, triggering a cascade of chemical reactions that lead to a cellular response. For example, insulin binds to receptors on the surface of cells in the liver, muscles, and fat tissue, triggering the uptake of glucose from the bloodstream.
B) Second messenger systems: Hormones can activate second messenger systems, which amplify the signal and transmit it to the target cell. For example, the hormone adrenaline binds to receptors on the surface of cells, triggering the release of the second messenger cyclic AMP (cAMP), which leads to an increase in heart rate and blood pressure.
C) Gene regulation: Hormones can also regulate gene expression by binding to receptors on DNA or interacting with transcription factors. This can lead to the synthesis of new proteins, which in turn can affect cell growth, metabolism, and other functions. For example, the hormone estrogen can bind to receptors on DNA and activate the expression of certain genes, leading to the growth and development of female reproductive organs.
D) Ion channel modulation: Hormones can also exert their effects by modulating the activity of ion channels. For example, the hormone acetylcholine binds to receptors on nerve cells, causing the opening of ion channels and leading to the release of neurotransmitters.
E) Enzyme modulation: Hormones can also regulate the activity of enzymes. For example, thyroid hormones can increase the activity of enzymes involved in metabolism and energy production
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Hormones exert effects by binding or diffusing mechanisms. Hormones are responsible for various changes that take place in our body and every hormone has a defined set of mechanisms to produce the effective results.
Hormones activate some target cells by diffusing through the target cell membranes within the Cytoplasm to bind a receptor protein or some hormones directly bind to the receptor protein present in the cell membrane of the target cell.
Binding of hormones causes various cellular and structural changes and the number of receptors at the target site also increase or decrease with respect to the hormonal activity.
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a) in simplest terms, what is the chemical nature of molecules that can be analyzed by electrophoresis? b) if you have a mixture of dna molecules that are all the same molecular weight and all linear, can they be separated by electrophoresis? explain your answer.
Electrophoresis is a technique that is used to separate molecules based on their electrical charge and size. In this process, an electric field is applied to a gel or other medium that contains the molecules to be separated. The molecules will then move through the gel towards the positive or negative electrode, depending on their charge.
DNA is a molecule that can be analyzed by electrophoresis. DNA is negatively charged due to the presence of phosphate groups, so it will move towards the positive electrode in an electric field. The size of DNA fragments can also be determined by electrophoresis, as smaller fragments will move more quickly through the gel than larger fragments.
If you have a mixture of DNA molecules that are all the same molecular weight and all linear, they will not be able to be separated by electrophoresis alone. This is because they have the same charge and size, so they will all move through the gel at the same rate. However, other techniques such as size exclusion chromatography or HPLC can be used to separate molecules of the same size but with different chemical properties.
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I need help with the questions, my answers are probably wrong so don't mind them
The kinetic energy of the substance would decrease.
What is kinetic energy?the kinetic energy of an object is the energy that it possesses due to its motion. It is defined as the work needed to accelerate a body of a given mass from rest to its stated velocity.
Kinetic energy is the energy of motion, observable as the movement of an object, particle, or set of particles. Any object in motion is using kinetic energy: a person walking, a thrown baseball.
There are five main types of kinetic energy: radiant, thermal, sound, electrical, and mechanical.
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evolution can be succinctly defined as: a. the change from one species to another in one generation. b. the change in allele frequency from one generation to the next. c. any type of genetic mutation. d. the appearance of a new species.
Evolution is the shift in a biological population's heritable traits over successive generations. In other words, the change in allele frequency from one generation to the next, therefore option b is the correct choice.
The term "evolution" is used to describe the gradual change that occurs in a population's inherited characteristics over time. These characteristics are passed down from one generation to the next via the inheritance of genes that determine how those genes are expressed. Natural variation occurs in every population as a result of random mutation and recombination of genes.
The evolutionary processes of natural selection and genetic drift act on this variation to increase or decrease the frequency of certain traits in a population. The evolutionary pressures that influence the frequency with which a trait occurs in a given population can change over time, causing heritable characteristics to morph over the course of history.
Evolution has led to a rich diversity of life forms at the molecular, atomic, cellular, organelle, and species levels.
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Can someone help me
Answer:
B
Explanation:
what structure produces the fluid found in the anterior chamber
The structure that produces the fluid found in the anterior chamber of the eye is the ciliary body.
The anterior chamber is a fluid-filled space located between the cornea (front part of the eye) and the iris (colored part of the eye). The fluid in the anterior chamber is called aqueous humor. It is a clear, watery fluid that helps maintain the shape and pressure of the eye, provides nutrients to the cornea and lens, and removes waste products.
The ciliary body is a structure located behind the iris. It consists of ciliary processes that contain blood vessels and epithelial cells responsible for the production of aqueous humor. These specialized cells actively secrete and regulate the production of the fluid. The aqueous humor is continuously produced by the ciliary body and flows through the pupil into the anterior chamber, where it circulates and eventually drains out of the eye through the trabecular meshwork and the canal of Schlemm.
In summary, the ciliary body is the structure that produces the fluid found in the anterior chamber, known as aqueous humor.
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when a fractured bone heals, it leaves a thickened region known as a __________.
When a fractured bone heals, it leaves a thickened region known as a callus.
Bone is the part of the skeletal system of the body. It is a thick mass of tissue that is hard on the outside but soft on the inside. The main function of the bones is to provide a structural framework and correct posture to the body.
Callus is the mass of soft tissues that is formed after the healing of the fracture. It is initially soft but becomes hard along with the time. The callus is the one responsible for keeping the broken bones together. The phase of healing where this callus formation takes place is called reparative phase.
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a eukaryotic cell is placed in a plate containing radioactively labeled uracil. which structure would the radioactively labeled uracil be seen in?
The radioactively labeled uracil would be seen in the nucleus of the eukaryotic cell.
In eukaryotic cells, the nucleus is the organelle that contains the cell's genetic material, including DNA and RNA.
Uracil is one of the four nitrogenous bases found in RNA, and it replaces thymine found in DNA.
Since uracil is a component of RNA, which is primarily synthesized in the nucleus, the radioactively labeled uracil would be seen in the nucleus.
The nucleus of a eukaryotic cell is surrounded by a nuclear membrane, which separates it from the cytoplasm. It acts as the control center of the cell and is responsible for storing and protecting the DNA, as well as transcribing it into RNA.
Therefore, when a eukaryotic cell is exposed to radioactively labeled uracil, it would be incorporated into the RNA molecules being synthesized in the nucleus.
The radioactivity can then be detected using appropriate techniques to visualize the labeled uracil within the nucleus of the cell.
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what do green plants require to carry out photosynthesis?
Green plants require several things to carry out photosynthesis, including sunlight, water, and carbon dioxide.
Photosynthesis is the process by which green plants and some other organisms convert light energy from the sun into chemical energy in the form of glucose. The process takes place in the chloroplasts of green plant cells.
To start the process of photosynthesis, green plants need to absorb sunlight through their leaves. Chlorophyll, the pigment that gives plants their green color, helps to absorb light energy. The energy from the sunlight is then used to split water molecules into hydrogen and oxygen. The oxygen is released into the atmosphere, while the hydrogen is used to produce glucose.
Carbon dioxide is another important component of photosynthesis. Green plants absorb carbon dioxide through tiny pores on their leaves called stomata. The carbon dioxide is combined with the hydrogen produced from the water to create glucose.
Overall, green plants require sunlight, water, and carbon dioxide to carry out photosynthesis and produce the energy they need to grow and thrive.
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Explain how limiting factors influence populations of different organisms in detail.
Answer: In the natural world, limiting factors like the availability of food, water, shelter and space can change animal and plant populations. Other limiting factors, like competition for resources, predation and disease can also impact populations. ... Other changes in limiting factors will cause a population to decrease.
Explanation: Hope this Helps :)