The approximate diameter of one cell is 0.01 – 0.10 mm.
What is cell size?Cell size is defined as the variable that is used to show how big or small is the cell of an organism.
The cell is defined as the structural and functional unit of a living organism.
The most animal and plant cells are 0.01 – 0.10 mm in size when viewed under the microscope.
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A member of the ________ has been implicated as having a role in obesity.
a. both herpesviruses and poxviruses.
b. parvoviruses.
c. adenoviruses.
d. herpesviruses.
e. poxviruses.
A member of the adenoviruses has been implicated as having a role in obesity. That is option C.
What is Obesity?Obesity is defined as the eating disorder which is characterized by the body mass index that is above 30.
There are various types of obesity which includes the following:
Class 1 (low-risk) obesity, if BMI is 30.0 to 34.9. Class 2 (moderate-risk) obesity, if BMI is 35.0 to 39.9.Class 3 (high-risk) obesity, if BMI is equal to or greater than 40.0.The symptoms of obesity include the following:
Excess body fat, particularly around the waist.Shortness of breath.Sweating more than usual.Snoring.Trouble sleeping.Skin problems from moisture accumulating in the folds.Inability to perform simple physical tasks you could easily perform before weight gain.Recently, the adenoviruses has been associated to the causes of obesity.
It has been discovered that the virus directly acts on the adipocytes.
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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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A and B are linked genes. In a study of 100 offspring, 94 had parental genotypes for A and B, while 6 were recombinants. A and B are _____ centimorgans (cM) apart
A and B are linked genes. In a study of 100 offspring, 94 had parental genotypes for A and B, while 6 were recombinants. A and B are 6 centimorgans (cm) apart.
Genes that are physically adjacent to one another on the same chromosome are said to be linked genes because they are more likely to be inherited together. Chromosomes are recombined during meiosis, causing gene swaps between homologous chromosomes. Together, they are inherited. For instance, certain eye and hair colors are inherited jointly and are related genetically.By dividing the total number of recombinant gametes by the total number of gametes, X 100 the linkage distance is determined.Thus here the total recombinant genes are 6 and the total number of gametes or offspring are 100 so,
[(6/100) x 100]
= 0.06 x 100
= 6
Hence, A and B are 6 cm apart.
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What kind of traits found in a group of organisms provides the strongest evidence for common ancestry of that group?
What kind of traits found in a group of organisms provides the strongest evidence for common ancestry of that group? Although the characteristics are similar, they serve various purposes in the group members.
What is common ancestry?The idea that all cellular life forms on earth share a single genesis is widely held. The universality of the genetic code and the universal conservation of several genes, especially those that code for essential elements of the translation system, support this viewpoint. By contrasting the capacity of a common-ancestry model with a multiple-ancestry model to predict the sequences of universally conserved proteins, an impressive recent work asserts to provide a formal, homology independent evaluation of the Universal Common Ancestry hypothesis.
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why does oxygen concentration in water decrease when sewage is discharge into river
Both parents of a newborn are heterozygous for an autosomal dominant genetic disorder. What are the odds that the newborn would also display the disorder
If a discard tube is required by your facility, what is an appropriate discard tube to collect prior to filling tubes for coagulation testing?
Red non-additive is an appropriate discard tube to collect prior to filling tubes for coagulation testing.
What is the process of coagulation?Blood thickens into a gel-like consistency during coagulation, which is the process by which it goes from being a liquid to become solid. Hemostasis is a bigger process that includes coagulation and is how the body controls when and how much bleeding occurs. The gel plugs seal blood artery leaks and stop blood loss. Coagulation factors, calcium, and phospholipids are necessary for the process. The liver produces coagulation factors (proteins).
The 3 stages of coagulation:
Blood vessel constriction.The development of a transient "platelet plug."The coagulation cascade is activated.Samples of coagulation must be fully filled, but not overfilled. The minimum fill line is frosted and used to identify tubes. For accurate test results, the blood to anticoagulant ratio must be kept at 9 to 1.
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In class, your professor shows you the skulls of three mammals. In one, the eye would be fully enclosed by bone. In the second, there is a bony circle around where the eye goes, but it is open in the back. In the third, the place where the eye would be is not encircled by bone at all. This suggests to you that
This suggests to you that
The first one is an anthropoid primate; the fully enclosed orbit is probably beneficial in an organism that relies heavily on vision.
Anthropoids are a group of primates currently represented by New and Old World monkeys, great apes and humans. They differ from other groups of primates such as strepsirrhines (lemurs) by several dental and cranial features (postorbital closure, shorter muzzles, increased vision due to more frontal eye sockets, fused frontal bone). The common ancestor of living anthropoids - including monkeys, apes and humans - arose in Africa and that the group had already branched into many species at that time.
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Localized areas of destruction occurring on plants that have been infected by a virus are referred to as __________ lesions.
Localized areas of destruction occurring on plants that have been infected by a virus are referred to as necrotic lesions.
Necrotic tissue is the result of skin necrosis. Necrosis is a premature death of cells that occurs due to autolysis (self-digestion of cells after the release of enzymes). These cells are a part of the living tissue inside the skin. Necrosis occurs due to external injury or trauma in a particular organ.
Necrosis can be caused by a number of external sources, including injury, infection, cancer, infarction, poisons, and inflammation. Black necrotic tissue is formed when healthy tissue dies and becomes dehydrated, typically as a result of local ischemia.
Treatment can slow the progress of avascular necrosis, but there is no cure. Most people who have avascular necrosis eventually have surgery, including joint replacement. People who have avascular necrosis can also develop severe osteoarthritis.
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If the two groups involved in an experiment are not equivalent, ________. it is impossible to conduct a replication it cannot be ascertained that the independent variable caused the results the experiment is said to have high internal validity the experimental result is likely to be affected by ethnocentrism
If the two groups involved in an experiment are not equivalent,
it cannot be ascertained that the independent variable caused the results.
The experimental group, also known as the treatment group, receives the treatment whose effect the researchers wish to study, while the control group does not. They should be identical in all other respects. We know that if we two groups participate in any kind of experiment, we know that the study of that experiment is not equivalent, nor that the experiment cannot be determined with certainty in which independent variable produces, arises, or causes results and outcomes. . Therefore, this option is true.
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Arrange from smallest to biggest. universe, planet-moon system, solar system, galaxy
To ensure smooth functioning of its supply chain, aarong has most likely utilized which form of boundaryless structure to organize the 50,000 dairy farmers?
Aarong Dairy extends to micro scale dairy farmers to expands their milk production scale.They use of different organizational structural forms to pursue its strategic goals. Aarong Dairy the micro scale dairy farmers receives training in para- veterinary services and other methods to improve theirs milk production.
To provide access to a permanent and reliable market, Aarong Dairy brought the milk that the farmers produced.This arrangement allows the micro-scale dairy farmers for the quality of the milk.
The advantage for Aarong Dairy is that thousand of micro-scale dairy farmers serve as its dedicated milk production , they does not have to be responsible for the operations and overhead of the dairy.
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The theory of endosymbiosis is supported by all but which of these observations?
The exterior arrangement similar to bacterial cell walls is not an evidence in favors of the endosymbiotic theory. Endosymbiotic theory States that organelles such as chloroplasts and mitochondria were once free-living prokaryotes which eventually lived symbiotically within larger cells, forming modern day eukaryotes.
In addition to the lack of histones, mitochondria and chloroplasts have circular, single stranded DNA. Single stranded, circular DNA is found exclusively in prokaryotes. This evidence supports the endosymbiosis theory because these characteristics would allow the mitochondria and chloroplasts to survive on their own. Evidences that support endosymbiotic theory are presence of DNA, size of ribosomes, Inhibition by antibiotics, evolutionary relationship.
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Both chorionic villus sampling and amniocentesis collect fetal cell samples from the pregnant mother. However, during _____, a needle is passed through the abdomen and uterine walls to collect the samples; and during _____, a suction tube is inserted through the vagina into the uterus to collect the samples.
Both chorionic villus sampling and amniocentesis collect fetal cell samples from the pregnant mother. However, during amniocentesis, a needle is passed through the abdomen and uterine walls to collect the samples; and during chorionic villus sampling, a suction tube is inserted through the vagina into the uterus to collect the samples.
Chorionic villus sampling (CVS) is a prenatal test in which a sample of chorionic villi is taken from the placenta for testing. This is done by taking a sample from the cervix (transcervical) or the abdominal wall (transabdominal). Amniocentesis is a process in which amniotic fluid is extracted from the uterus and then testing or treatment. This is the fluid that surrounds the fetus in a pregnant woman. Amniotic fluid is a clear, pale yellow fluid. It protects the fetus from injury and also against infection.
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The __________ of the conduction system is located in the right atrium near the entrance of the superior vena cava.
The SA node of the conduction system is located in the right atrium near the entrance of the superior vena cava.
Guide to the Conduction System. The sinoatrial node, which acts as the natural pacemaker in a healthy heart, is situated in the upper portion of the right atrium.The intrinsic conduction system of the heart is made up of a number of specialized cell subpopulations that either generate electrical activity on their own (pacemaker cells) or preferentially channel this stimulation throughout the four chambers of the heart in a coordinated manner.Where is the SA and AV node located?
The sinoatrial node (also known as the sinuatrial node, SA node or sinus node) is a group of cells known as pacemaker cells, located in the wall of the right atrium of the heart.
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Iii. describe two or more environmental problems and tell what can be done to help solve them. first write and then record five sentences.
Two environmental problems are- pollution and deforestation.
The environment is at the mercy of human beings and has suffered at the hands of the human clan, which has led to its destruction at a massive level. The two main problems of the environment are pollution and deforestation.
Pollution- There are several types of pollution that are responsible for deterioration of the environment. The four main types of pollution are air pollution, water pollution, soil pollution and noise pollution. Pollution can be tackled by controlling the release of pollutants. For air pollution, fossil fuels like petrol can be replaced by natural fuels like CNG, dumping of industrial wastes should be treated and minimized before their release in water bodies and toxic fertilizers should be avoided to minimize soil pollution.Deforestation- The primary solution for this problem is to find ways and spots to plant new trees in abundance. Also illegal felling of trees and clearing lands should be made into a punishable offence.Learn more about pollution here-
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Which gestational period is dominated by the development of organs and organ systems?
Shakers, homogenizers, sonicators, blenders, centrifuges and cell sorters are examples of equipment that may create an aerosol risk if used with biohazards.
It is true that shakers, homogenizers, sonicators, blenders, centrifuges and cell sorters are examples of equipment that may create an aerosol risk if used with biohazards.
What are biohazards?The term biohazards has to do with those substances that are capable of causing biological damage. A typical example of a biological hazard is a blood sample or a culture that contains microorganism. These materials are able to spread infection from person to person and from place to place as fast as possible if they are not properly handed in the accurate and professional way that they ought to be handled.
As such, it is very risky for a person to make use of equipment such as shakers, homogenizers, sonicators, blenders, centrifuges and cell sorters are examples of equipment that may create an aerosol risk because they may lead to a wider spread of these biohazards and mass infection of people.
As such, it is a true statement that; "shakers, homogenizers, sonicators, blenders, centrifuges and cell sorters are examples of equipment that may create an aerosol risk if used with biohazards."
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Foreign substances in the body that are too small to start an immune response by themselves are called
Foreign substances in the body that are too small to start an immune response by themselves are called hapten .
Antigens are compounds, typically proteins, found on the surface of bacteria, fungi, viruses, or cells. Antigens can also include nonliving things including poisons, chemicals, medications, and foreign objects (like a splinter). Antigen-containing compounds are recognized by the immune system, which then attempts to destroy them.
What is a hapten in immunology?
Hapten, also spelled haptene, small molecule that stimulates the production of antibody molecules only when conjugated to a larger molecule, called a carrier molecule. Related Topics: epitope antigen.
What is the difference between antigen and hapten?
An antigen is a complete molecule that can initiate an immune response on its own, whereas a hapten is an unfinished molecule that is incapable of initiating an immunological response on its own. Two forms of immunogens that can cause immunological reactions are antigen and hapten.Learn more about hapten
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A population of sunfish live in a lake. in ecology, that lake is classified as a:________
A population of sunfish live in a lake. in ecology, that lake is classified as a habitat.
The term "habitat" encapsulates the variety of materials, biotic elements, and physical elements that exist in a place, such as to enable the life and procreation of a population. An animal's habitat can be thought of as the outward representation of its biological niche. Thus, the term "habitat" refers to a specific species and is fundamentally distinct from ideas like the environment or vegetation assemblages, which are better described by the term "habitat-type." Important variables in lake include the water's velocity, temperature, and oxygen saturation.
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Neurotransmitters are located in
Othe
A. synaptic sacs
B. Golgi apparatus
C. cytoplasm
I believe it is the synaptic sacs!
"When a nerve impulse arrives at the presynaptic terminal of one neuron, neurotransmitter-filled vesicles migrate through the cytoplasm and fuse with the presynaptic terminal membrane. The neurotransmitter molecules are then released through the presynaptic membrane and into the synaptic cleft."
Many organic farming methods employ nonchemical means of controlling weeds and insects. Often, these methods are not as effective, and so the trade off for being chemical-free is a lower crop yield and higher prices. In which ecosystem would expect to see greater diversity
A cultivated field with organic methods would expect to see greater diversity.
What Is Organic Farming?
Organic farming is an agricultural practice that makes use of biological pesticides and fertilizers derived from plant or animal waste. Actually, the practice of organic farming began as a response to the harm that synthetic fertilizers and chemical pesticides were causing to the environment. Or to put it another way, organic farming is a new type of agriculture or farming that improves, maintains, and repairs the ecological equilibrium.
Economical benefits of organic farming include: For the planting of crops, expensive fertilizers, insecticides, or HYV seeds are not necessary in organic farming. There is therefore no additional cost.
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The hantavirus outbreaks in the eastern hemisphere (asia) are identified with pulmonary failure, and have been referred to as "hantavirus pulmonary syndrome" (hps).
a. True
b. False
The hantavirus outbreaks in the eastern hemisphere (Asia) are identified with pulmonary failure and have been referred to as "hantavirus pulmonary syndrome" (HPS).
The given statement is b) false.
Hantavirus pulmonary syndrome is an extraordinary infectious sickness that starts with flu-like signs and symptoms and progresses swiftly to a greater severe disorder. It can cause life-threatening lung and coronary heart issues. The disease is likewise known as hantavirus cardiopulmonary syndrome.
Early signs are widespread and encompass fever, fatigue, and muscle ache. other signs and symptoms can also consist of headache, nausea (a sense of illness in the stomach), vomiting, diarrhea (loose stool/latring), and dizziness.
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For most people, perception and the creation of images are usually handled by the:____.
a. left hemisphere of the cortex
b. entire cortex
c. midbrain
d. right hemisphere of the cortex
The perception and the creation of images are usually handled by the right hemisphere of the cortex . The correct answer is d. right hemisphere of the cortex.
The brain is the central nervous system's most important organ. It is a complicated organ made up of a vast number of linked glia and neurons. The brain is divided into distinct lobes into each of its two sides. Each lobe performs a distinct set of tasks. The right brain is more intuitive and visually oriented. It is occasionally referred to as the analogue brain. It thinks less logically and with more creativity.
According to a study by Sperry, the right brain assists people in:
imagination holistic thinking arts, rhythm, and nonverbal clues sensations, mental images daydreamingcreativitySome in-depth information about the Right Brain's Features and Functions
It enables young kids to comprehend the idea of more versus lessSome cognitive processes, including attention, processing of visual forms and patterns, emotions, language ambiguity, and implicit meanings, are controlled by the brain's right hemisphereRight brain functions predominately in children under the age of threeTo know more about right hemisphere click here
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Carbon can be found in which
of the following substances?
A. salt
B. water
C. helium
D. carbohydrates
Answer:
D, Carbohydrates
Explanation:
(C⋅H2O)n is the chemical compound of carbohydrates. The carbon is bonded with water. Carbohydrates literally means: Carbon hydrate, hence Carbon(C) and water(H2O).
A single neuron sends messages and signals to several downstream neurons, and here a single neural pool can relay the output to several neural circuits further downstream in the pathway. What type of circuit is this
It is a type of diverging circuit.
What is a diverging circuit?One neuron connects to several postsynaptic cells in a diverging circuit. One neuron can excite up to thousands of cells because of the synapses between each of these cells and many others.
Several downstream neurons can receive inputs from a single neuron, and multiple downstream neural pools can receive output from a single neural pool. Input from one pathway can result in output through hundreds of additional pathways because each of these neurons or neural pools may communicate with numerous others.
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A part of the shoulder complex, also referred to as the breastbone, is the _____.
Answer:
sternum
Explanation:
sternum, also called breastbone, is the elongated bone in the center of the chest
The group of vascular disorders that are marked by blood vessel necrosis and inflammatory injury is the:________
The group of vascular disorders that are marked by blood vessel necrosis and inflammatory injury is Cutaneous necrotizing vasculitis.
Vasculitis involves inflammation of the blood vessels. The inflammation can cause the walls of the blood vessels to thicken, which reduces the width of the passageway through the vessel. If blood flow is restricted, it can result in organ and tissue damage. There are many types of vasculitis, and most of them are rare.
Cutaneous necrotizing vasculitis is a not uncommon disorder characterized by an inflammation of the blood vessel walls and skin lesions. These skin lesions may be flat and red (macules), nodules, or more substantial hemorrhages under the skin (purpura).
Colchicine, hydroxychloroquine, dapsone, or a short course of low-dose corticosteroids can be tried. Sometimes, stronger immunosuppressants (eg, azathioprine, methotrexate) are used, particularly if lesions ulcerate or if corticosteroids must be taken indefinitely to control symptoms.
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If you wrote a brief essay discussing the impact of recombinant dna technology on genetics as we perceive the discipline today, what applications of recombinant dna technology should be included?
Answer:
Various applications
Explanation:
Human gene therapy, pharmaceuticals, forensic evidence, environmental cleaning, and agriculture are just a few fields where recombinant DNA technology is used.
A typical skin cell has 23 pairs of chromosomes or 46 total chromosomes. this type of cell would be considered a _____ cell.
A typical skin cell has 23 pairs of chromosomes or 46 total chromosomes. this type of cell would be considered a diploid cell.
Diploid is a term that refers to the existence of two complete sets of chromosomes within an organism's cells, with each parent providing one chromosome for each pair. Humans are diploid, and most somatic cells contain 23 pairs of chromosomes.
The diploid represents a cell that contains two copies of each chromosome. Almost every cell in the human body has two homologous or similar copies of each chromosome. The only exception is germline cells that later produce gamete or egg and sperm cells.
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