I Don't No if you have any questions
"Since [the Silverleaf is] the closest relative of the [standard] sunflower, it should be perhaps reasonably straightforward to move some of the traits," said Loren Rieseberg.
Which is the closest synonym for the word straightforward?
A Uncomplicated
B Economical
C Chronological
D Problematic
Answer:
D problematic is this que of answer
The regulatory protein responsible for binding to calcium for contraction to proceed is _____.
The regulatory protein in muscle responsible for binding to calcium for contraction to proceed is troponin.
Troponin is a crucial player in the regulation of muscle contraction by calcium: The actin-tropomyosin-troponin complex, which makes up the thin filaments of striated muscles, is the only structure that can bind calcium. Actin filaments are also connected to troponin, a calcium-binding protein that controls contraction in skeletal or cardiac muscles.
Three parts or subunits of troponin:
Tropomyosin-binding subunit (Tn-T)Inhibitory subunit (Tn-I)calcium-binding subunit are the (Tn-C)NMR spectroscopy was used to determine the atomic structure of the troponin head.Troponin and tropomyosin are both necessary for the control of calcium in striated muscles. Troponin or tropomyosin mutations result in the well-known cardiac myopathy.
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Which white blood cells are particularly attracted to sites of parasitic infections?
Eosinophils are particularly attracted to sites of parasitic infections.
High counts of eosinophils are typical of patients experiencing allergies, parasitic worm infestations, and some autoimmune diseases.
High eosinophil levels can indicate a mild condition such as a drug reaction or allergy, or a severe condition could cause it, including some blood disorders.
Eosinophils make up 0.0 to 6.0 percent of your blood. A normal range is usually between 30 and 350. A count of more than 500 cells per microliter of blood is considered eosinophilia.
Asthma and atopic disease are the most common causes of mild to moderate eosinophilia in children.
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A neurotransmitter binds to a metabotropic receptor and pka is ultimately activated, which type of neurotransmitter likely bound?
Adrenergic is a neurotransmitter that binds to a metabotropic receptor is ultimately activated, which type of neurotransmitter is likely bound
Neurotransmitters are signaling molecules secreted by neurons to affect other cells throughout the synapse. The cell that receives the signal, any body part or target cell, can be another neuron, but it can also be a gland or muscle cell.
Neurotransmitters are the chemicals in your body. They transfer messages from one nerve cell across space to the next nerve, muscle, or glandular cell. Monoamines such as dopamine and norepinephrine; peptides such as somatostatin and opioids; purines such as adenosine triphosphate (ATP)
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24. Strengthening some synapses and weakening others establishes neural circuits that contain memories; the low-frequency stimulation of synaptic inputs to a cell can _____ their strength in a phenomenon known as _____.
Strengthening some synapses and weakening others establishes neural circuits that contain memories; the low-frequency stimulation of synaptic inputs to a cell can decrease their strength in a phenomenon known as long-term depression.
The effect of long-term depression can arise from neural effect of synapses. The synaptic impulses start to decrease gradually when a person is suffering from long-term depression. This decreased neural synapses arise from long-term exposure to stress that is chronic. It can also stem from anxiety. The continuous exposure of the neurons to stress and anxiety can also lead to degeneration and depletion of the cells present in the nervous system. Also the cortisol levels rise during depression and it is regulated by the hippocampus. This leads to a delay or restriction in the developing neurons inside the brain. Long-term depression can lead to increased chances of getting addicted to alcohol or drugs.
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the black plague, the epidemic that devastated the european continent during the 1300's is an example of :
Predict which mechanism of reproductive isolation played a role in trumpeter speciation in the Amazon basin. Note: Trumpeters cannot fly across large rivers.
Habitat isolation is likely to be most relevant in the case of trumpeters in the Amazon basin.
If trumpeters can not cross rivers, then they would be able to mate with trumpeters on the same side of the river but not on the other side- a form of prezygotic isolation.
what are trumpeters?
The term "trumpeter" comes from the deep, booming territorial call of these chicken-sized, long-necked, hunch-backed, small-headed, short-tailed, dark-plumed, long-legged birds that wander the jungle floors of South America.The land of South America that now the Amazon River and its tributaries drain is recognized as the Amazon basin.
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The smooth layer of firm fibrous tissue covering the contacting surface of joints is called:______
Periosteum is smooth layer of firm fibrous tissue covering the contacting surface of joints.
Periosteum is made up of inner cellular layer and outer fibrous layer. The outer layer is composed mostly of collagen and contains nerve fibers that cause pain when the tissue is damaged. Periosteum covers almost your entire bone . It help bone by suppling blood and help them in heal and grow properly. Periosteum help in repairing of bone in case they are damaged .
Periosteum major function is to provide a source of osteocytes/chondrocytes that differentiate from pluripotent undifferentiated mesenchymal cells. They help in scaffolding for the proliferation of osteocytes/chondrocytes. They are rich source of growth factors.
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Mitochondria contain circular strands of _____, similar to that found in many prokaryotes.
Mitochondria contain circular strands of DNA similar to that found in many prokaryotes.Most important are those striking similarities between prokaryotes and mitochondria.
Each mitochondria is its own circular DNA genome like a bacteria's genome , but that is much smaller than mitochondria genome. Chloroplasts and mitochondria are similar in size to prokaryotic cells and their division by splitting /fission similar to prokaryotes.
Prokaryotes lack mitochondria ATP present on their cell membrane surface.Bacteria and mitochondria are also similar in the light of genetic elements -both contain circular DNA and divide through fission. Mitrochondria have plump,jellybeans like shapes which is similar to rod shaped bacilli bacteria.
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Which is a characteristic of bacteria? multiple choice question. lack defined subcellular structures a membrane-bound nucleus no cell wall single-celled
Bacteria has lack of membrane bound organelles , unicellular and small size . All prokaryotes are not bacteria some are archaea but both share common characteristics .
Bacteria is microscopic size , single celled organism that exist in their millions in every environment , both inside and outside other organisms. Mostly bacteria are harmful but most of them serve a useful purpose.They supports in many forms of life both in plants and animals ,also they used in industrial and medicinal process.
It has different shapes , spherical bacteria like a ball called cocci and single bacterium is a coccus. Lacking well defined nuclei and membrane bound organelles and with chromosomes composed of single closed DNA circle.
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Interpret the following scenario to distinguish between recessive and dominant forms of inheritance. Two unaffected parents that are heterozygous for a genetic disease have a child with the genetic disease. This form of inheritance follows a _____ form of inheritance.
Interpret the following scenario to distinguish between recessive and dominant forms of inheritance. Two unaffected parents that are heterozygous for a genetic disease have a child with the genetic disease. This form of inheritance follows a recessive form of inheritance.
What is genetic disease?A person needs two recessive alleles to display a recessive trait, yet only one dominant allele can express a dominant trait. Dominant alleles serve as a cover for recessive alleles.When a gene is inherited from only one parent, and a normal gene is inherited from the other parent, the offspring will not have the condition. When a gene is inherited from either parent, the offspring will inherit that genetic condition or characteristic.Long DNA strands are arranged into genes on chromosomes that code for particular characteristics. These particular features can be passed down through the genes as well.When present, dominant behavior is always apparent. Only when dominant genes are absent does recessive gene expression occur.Learn more about inheritance here:
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A person's blood type is determined by?
Answer:
your blood group is determined by the genes you inherit from your parents
The property rights approach to environmental issues often becomes highly relevant in cases involving __________________. greenhouse gas emissions harmful affects of acid rain endangered species fresh water resources
The property rights approach to environmental issues often becomes highly relevant in cases involving endangered species.
The approach based on property rights postulates that if exclusive property rights are correctly established, the public good of maintaining high environmental quality may be converted into a private good, and the best possible distribution of environmental resources will be accomplished.
The protection of people's property rights is an efficient method for preserving and rehabilitating endangered animals. It is more likely that recovery will occur if these animals are owned by someone who will benefit in some way from their growth. But if endangered species are nothing more than a burden, any kind of financial incentive to preserve them is met with fierce opposition.
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To perform a certain type of blood analysis, lab technicians must perform two procedures. The first procedure requires either one or two separate steps, and the second procedure requires either one, two, three or four steps. How many experimental outcomes exist for the blood analysis experiment?
The number of experimental outcomes for the given blood analysis experiment is eight (8).
What is an experimental outcome?Experiment is a scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.
After the experiment, the result of the random experiment is known. An outcome is a result of a random experiment.
For the given experiment,
Procedure 1 [n(P1)] can be done one or two steps.
Procedure 2 [n(P2)] can be done in one, two, three or four steps.
So the total number of outcomes (N) in this experiment is;
n(P1)= 2 and n(P2)= 4
N= n(P1) *n(P2)
N= 2*4= 8
The total number of experimental outcomes can also be calculated as (x,y) where ‘x’ is a number of steps of Procedure 1 and ‘y’ is a number of steps of Procedure 2.
Suppose (x,y)= (1,1) means one step is performed of Procedure 1 and one for Procedure 2.
Therefore, (1,1), (1,2), (1,3), (1,4), (2,1), (2,2), (2,3), (2,4) i.e. 8 are the possible outcomes.
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Discussion of the observations of an experiment of epidermal cell of onion bulb
Drag each tile to the correct box.
Order the steps of protein synthesis.
A ribosome binds to mRNA.
RNA is modified into mRNA.
Chemical bonds are formed and a protein is produced.
DNA is transcribed.
Amino acids are lined up in a sequence.
Answer:
1.) DNA is transcribed
2.) RNA is modified into mRNA
3.) A ribosome binds to mRNA
4.) Amino acids are lined up in a sequence
5.) Chemical bonds are formed and a protein is produced
A malignant tumor of bone marrow cells associated with high levels of one of the immunoglobulins, usually IgG, is called: Hodgkin disease Leukemia Lymphoma Multiple myeloma
A malignant tumor of bone marrow cells associated with high levels of one of the immunoglobulins, usually IgG, is called multiple myeloma.
What is multiple myeloma?A malignancy known as multiple myeloma develops in a type of white blood cell known as a plasma cell. Healthy plasma cells produce antibodies that bind to and destroy bacteria, assisting your body in fighting illnesses. Cancerous plasma cells build up in the bone marrow and crowd out healthy blood cells in multiple myeloma.Multiple myeloma's precise cause is unknown. The process that leads to symptoms is started by the aberrant growth of plasma cells in the bone marrow.The spongy tissue in the center of some bones called bone marrow is where the body makes its blood cells. Many myeloma is the name given to the cancer because it frequently affects multiple bodily parts, including the spine, skull, pelvis, and ribs.
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The contraction of striated muscle is initiated by the release of energy in the presence of
The contraction of striated muscle is initiated by the release of energy in the presence of calcium ion
What is a muscle?A muscle can be defined as soft and band of fibrous tissue in a human or animal body that has the ability to contract to produce movements of the body parts
I'm conclusion, the contraction of striated muscle is initiated by the release of energy in the presence of calcium ion
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What photon energies are selectively filtered (higher or lower energies) in medical imaging techniques?
The photon energies are selectively filtered in medical imaging techniques is lower energies.
How does X-ray work in physics?X-rays are electromagnetic waves that have the ability to pass through low-density bodies and are absorbed by higher-density materials. The X-ray is a type of electromagnetic radiation with frequencies higher than ultraviolet radiation.
In this case, the correct energy that a photon needs to have for medical imaging techniques is lower energies.
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Why did Mendel use pea plants in his experiments?
Darwin was not the first to suggest that species evolve, but he was the first to suggest:_____.
a. evolution occurs by genetics.
b. cultures rarely evolve.
c. mammals do not evolve.
d. evolution occurs through natural selection.
e. sex is an important component of evolution for all living species.
The correct option is d. evolution occurs through natural selection.
what is species evolve?
The process of evolution is how organisms change over time in response to their environment. Use these strategies to teach your students about the water cycle. The process of evolution is how organisms change over time in response to their environment. Use these strategies to teach your students about the water cycle.
For scientists, the study of evolution is crucial. It includes the investigation of alterations that organisms have undergone over time in response to various environmental influences. Humans and other species alike undergo gradual evolution. Natural selection, which happens during the process of evolution, has shaped every living thing on the planet today.
Darwin’s Finches
Ask the kids to read about and conduct research on the Galapagos finches Darwin observed. Darwin observed that the beaks of various finches varied. He also observed that each variety of beaks was best suited for handling a particular kind of food. Darwin was aware that the finches came originating from South America's continent, but the ones he observed on the islands were distinct from those he had previously seen there. Darwin questioned why these finches changed once they reached the Galapagos Islands. Test the capacity of various beaks to obtain various foods with your kids. Give kids toothpicks, little bird seeds, huge bird seeds (sunflower seeds), foam packing peanuts, metal binder clips, tweezers, and spoons to depict various beak varieties. Have the student experiment with the various instruments to see which one goes best with which foods.
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8. Chromosomes in all human body cells (except for egg and sperm) are:
Answer:
diploid
Explanation:
diploid cells have 23 chromosome pairs, but egg/sperm cells are haploid and don't chromosome pairs
Visual examination of his chest reveals that the lower portion of the sternum is depressed. Auscultation of the lungs and heart is unremarkable. What disorder of the thorax best describes these findings
The person might be suffering from pectus excavatum or funnel chest.
Pectus excavatum
The funnel chest is caused by the depression formed towards the lower portion of the sternum. The deformation of the sternum can be symmetrical or one side might be more prominent than the other. Such a condition can affect the normal functioning of the heart and lungs and might induce a feeling of insecurity in the children because of their body shape. Funnel chest is more common in young males than in females and its symptoms include
BreathlessnessChest painFatigueDizzinessTachycardiaIt can be present during birth or may develop as the child grows. An X-ray or a CT scan is used to diagnose the patient. Cardiopulmonary exercise testing (CPET), heart scans, breathing tests, etc are used to gauge the severity of the condition. Most often people with such conditions are able to live a normal life.
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In the chesapeake bay and other bodies of water, what is a result of phytoplankton population increases?
Dead zones are created by hypoxia and the bacterial decay of dead phytoplankton.
What are the effects of excess phytoplankton population?The Chesapeake Bay, like many other bodies of water, is overrun with nutrients, which results in a type of pollution called eutrophication. Every spring, sewage treatment facilities, farms, and lawns release large amounts of nitrogen and phosphorus into the Bay. These nutrients fuel the growth of algae as the water warms up in the summer, resulting in blooms that deplete the water's oxygen content and create sizable "dead zones" where fish, crabs, and other aquatic life find it challenging to survive. During these times, some of the mud's surface layers and portions closer to the bottom may become anoxic, meaning there is no oxygen present at all.
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A research report presents a scatterplot with a diagonal best-fit line. the correlation of the plotted variables is best indicated by:______
A research report presents a scatterplot with a diagonal best-fit line. the correlation of the plotted variables is best indicated by:
Notice that when you look at the scatter plot the points seem to form a line going up from left to right. This means that there is a positive correlation between the -coordinates and the -coordinates. The answer is that the scatter plot shows a positive correlation.
What is positive correlation?Any statistical association between two random variables or bivariate data, whether causal or not, is referred to in statistics as correlation or dependency. Although "correlation" can mean any kind of association in the broadest sense, in statistics it typically refers to the strength of a pair of variables' linear relationships. Examples of common dependent phenomena include the relationship between parent and child height and the relationship between a good's price and the number of units buyers are prepared to buy, as shown in the so-called demand curve.
Because they can reveal a predicted relationship that can be used in practice, correlations are helpful.
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When a neuron sends information down the axon, is called an ______ (two words) also known as a spike or impulse.
When a neuron sends information down the axon is called an Action potentials also known as a spike or impulse.It sent information as a packet of messages.
Neurons send signal release chemicals called neurotransmitter . These transmitters bins with a receptors on their surface of the receiving neuron.They are release from presynaptic terminals which branch to communicate with several postsynaptic neurons.
Information is passed by the axon of the potential , when action potential reaches the ends of the axon it needs to be transferred to another neuron or tissues. The dendrites of neurons receive information from sensory receptors or other neurons.
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Rickets is characterized by inadequately calcified bones that are softer and more flexible than normal. Individuals with rickets may not have received enough ____ during their growth and development.
The deficiency of vitamin D leads to rickets. It is the condition in which the bones are fragile and softer than normal.
Rickets:
Vitamin D is responsible for the absorption of calcium and phosphorous from the diet. Calcium and phosphorous are the key minerals in the bones. The symptoms of rickets are delayed growth and motor skills along with pain and weakness in the legs and pelvis. It also leads to muscle weakness. The deficiency of vitamin D can also lead to bone deformities such as knock knees, and thickening of wrists and ankles. The source of vitamin D is sunlight and food such as fish oil and egg yolks.
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Explain process of small scale cultivation of mushrooms
Answer:
Preface
The second edition of Six Steps to Mushroom Farming recognizes that much progress in mushroom farming has taken place over the last 25 years since the original edition was published. Trends such as use of forced aeration Phase I, Phase II tunnels, Phase III bulk spawn run, casing inoculum, compost supplementation, hybrids, improved nutritional status of mushrooms, and alternative uses of post-crop mushroom compost necessitates an updated, reorganized, and expanded second edition of Six Steps to Mushroom Farming.
Mushroom farming consists of six steps, and although the divisions are somewhat arbitrary, these steps identify what is needed to form a production system. The six steps are Phase I composting, Phase II composting, spawning, casing, pinning, and cropping. These steps are described in their naturally occurring sequence, emphasizing the salient features within each step. Compost provides nutrients needed for mushrooms to grow
Explanation:
https://extension.psu.edu/six-steps-to-mushroom-farming
The process of small-scale cultivation of mushrooms is Mushroom Spawn, getting ready for compost, and harvest.
What is mushroom cultivation?Mushroom cultivation is a process utilizing waste substances inclusive of horse manure, bird manure, pig manure, wheat straw, rice straw, corn cobs, wooden bark, sawdust, and cottonseed hulls to produce scrumptious and nutritious meals.
The cultivation method has 5 principal steps.
Mushroom Spawn.getting ready for compost.Spawning of mulch.Casing.Cropping and harvest administration.Learn more about mushroom cultivation here:-https://brainly.com/question/26093768
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How might increased absorption of solar radiation by the atmosphere affect precipitation?
Select one:
O a. Increased absorption of solar radiation would not affect precipitation.
O b. Increased absorption of solar radiation might lead to more rain and freezing rain and
less sleet and snow.
O c. Increased absorption of solar radiation might lead to more sleet and snow and less
freezing rain and rain.
Od. Increased absorption of solar radiation would cause less precipitation.
increased absorption of solar radiation by the atmosphere can affect precipitation in increasing absorption of solar radiation can lead to more rain and freezing rain and less hail and snow.
B. Increased absorption of solar radiation can lead to more rain and freezing rain and less hail and snowWhat is absorption of solar radiation?Most of the absorption of solar radiation at wavelengths in the infrared range is due to water vapor and occurs in the troposphere, where most of the water vapor is located. This part of the absorption presents great variability due to the distribution of water vapor.
With this information, we can conclude that When solar radiation penetrates the Earth's atmosphere, it undergoes attenuation caused by reflection, scattering and absorption by atmospheric constituents.
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what is the difference between artificial kidneys and natural kidneys
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The natural kidney continuously receives the blood and water, filter them and keep the body away from toxic wastes by the process of excretion. The artificial kidney is the device used in kidney damage persons only from time to time, under supervision of a specialist doctor.Explanation:
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