A malignant tumor of plasma cells in the bone marrow is called multiple myeloma.
This condition involves the abnormal growth and proliferation of plasma cells, which are a type of white blood cell, within the bone marrow.
A person with multiple myeloma can become immunodeficient because of the following factors:
1. The excess immunoglobulin produced by the malignant plasma cells can cause the production of normal antibodies to be reduced. The production of normal antibodies will decrease as a result of this. As a result, the person may be more susceptible to infections.
2. The malignant plasma cells will accumulate in the bone marrow as the disease progresses. The bone marrow will become crowded as a result of this, and there will be less room for the production of normal blood cells. This will lead to anemia, neutropenia, and thrombocytopenia, all of which can lead to an increased risk of infections.
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If gas molecules in an enclosed space are allowed to enter a second chamber, the resulting redistribution of gas molecules represents an increase in
If gas molecules in an enclosed space are allowed to enter a second chamber, the resulting redistribution of gas molecules represents an increase in entropy. The entropy of an enclosed system tends to increase. This is due to the fact that in an isolated system, the level of disorder or randomness, referred to as entropy, tends to increase over time.
This means that the system's energy is distributed among the particles or molecules, leading to increased randomness and a reduction in the system's energy state.
The greater the number of gas molecules, the higher the entropy. As a result, when gas molecules are transferred from one chamber to another, the system's entropy increases. When the number of gas molecules in one chamber decreases, the entropy of the system in that chamber decreases as well. The system's overall entropy, on the other hand, increases because the gas molecules have been moved from one chamber to another, causing them to become more disordered.
The entropy of a system can also be calculated using the formula ΔS = Q/T. Where ΔS is the change in entropy, Q is the energy transferred, and T is the temperature in Kelvin. When a gas expands, it does work by moving a piston or expanding into a vacuum, and as a result, it loses energy. The change in energy can be calculated using the ideal gas law, PV=nRT.
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the organelles responsible for generation of cellular atp are:______
The organelles responsible for generation of cellular atp is the mitochondria
The cell is the smallest unit of living things which consists of three main layers, namely the cell nucleus, cell membrane, and cytoplasm. Inside the cell there are various organelles that have a specific structure and function.
Mitochondria are energy-producing organelles in cells. Mitochondria consist of two membrane layers, namely the inner membrane and outer membrane. The inner mitochondrial membrane has indentations called cristae. The cristae contain enzymes for oxidative phosphorylation and electron transport. This is where the manufacture of cell energy or ATP is used for cell activity. Because of this, cells that have a high metabolism, such as cardiac muscle cells, have many cristae in their mitochondria.
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Convergent evolution is a process where organisms independently evolve traits. Some molecular data place the giant panda in the bear family (Ursidae) but place the lesser panda in the raccoon family (Procyonidae). Consequently, the morphological similarities of these two species are probably due to
Answer:
analogous structures
Explanation:
Analogous structures play similar and/or identical functions in unrelated organisms. For example, moths and bats both have wings, even though they aren't related. Convergent evolution is a process that generates analogous structures in organisms that don't share a common ancestor with such structures. Moreover, homo-logous structures are shared traits between organisms that share a common ancestor. On the other hand, divergent evolution is a process associated with the accumulation of phenotypic differences between organisms within a species, which eventually lead to speciation.
One of the deadliest animals on earth is the rough skinned newt. It produces highly toxic skin toxins. In the 1970s, three hunters were found dead while camping in Western Oregon when they accidentally boiled a rough skinned newt in their coffee pot. Scientists discovered that they were becoming more toxic due to a common predator: the garter snake. As garter snakes were growing more immune to their toxins, rough skinned newts were growing more toxic in what is known as an “evolutionary arms race”.
Though the genes for the garter snake immunity are most likely polygenic, however, let us assume that the immunity is caused by a single dominant allele for this exercise. Those without the dominant gene (the recessive genotype), are NOT immune to the toxins of the rough skinned newt.
In 1975, in a population of 88 garter snakes on the coast of Oregon, 54 of them exhibit the recessive genotype are therefore not immune to the rough skinned newt’s toxin.
What is the frequency for the recessive genotype (q^2)?
Solve for q:
Solve for p:
How many snakes are heterozygous?
How many snakes are homoozygous dominant?
Answer:
One of the deadliest animals on earth is the rough skinned newt. It produces highly toxic skin toxins. In the 1970s, three hunters were found dead while camping in Western Oregon when they accidentally boiled a rough skinned newt in their coffee pot. Scientists discovered that they were becoming more toxic due to a common predator: the garter snake. As garter snakes were growing more immune to their toxins, rough skinned newts were growing more toxic in what is known as an “evolutionary arms race”.
Though the genes for the garter snake immunity are most likely polygenic, however, let us assume that the immunity is caused
Which compounds have double or triple bonds?
N2 • CCl4 • SiO2
• AlCl3 • CaCl2 • LiBr
Answer:
1. N2 is three bonds.
2. CCl4 has four covalent bond.
3. Sio2 has 4 covalent bond.
4. Alcl3 have 1 bond.
5. CaCl2 have double bond.
6. LiBr have double bond.
Explanation:
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True/False: Disruptions to an ecosystem can be naturally occurring OR due
to human activity. *
True
False
The splitting of water at photosystem 2 is known as ___________ and results in the production of ______
photolysis; oxygen, hydrogen ions(protons), and the electrons that are given to photosystem 2
Photolysis, the splitting of water at photosystem 2, produces oxygen, hydrogen ions (protons), and the electrons that are supplied to photosystem 2.
Photolysis is a chemical process that uses light absorption to disassemble molecules into smaller parts. The experimental method known as flash photolysis, used to explore short-lived chemical intermediates generated in numerous photochemical processes, is the most well-known illustration of a photolytic process.
The absorbing chemical is split into transient molecular fragments by the first flash, and their spectrophotometric identification is made possible by the second flash. The technique is a useful tool for identifying ephemeral chemical intermediates and, as a result, for researching the processes of quick chemical reactions.
Thus, photolysis, the splitting of water at photosystem 2, produces oxygen, hydrogen ions (protons), and the electrons that are sent to photosystem 2.
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in an epithelium, the apical membrane is also known as the membrane. in an epithelium, the apical membrane is also known as the membrane. basement nictitating serosal mucosal basolateral
In an epithelium, the apical membrane is also known as the Mucosal membrane.
What is apical membrane?In contrast to the basolateral membrane, the plasma membrane that makes up the lumenal surface of a polarized cell is known as the apical membrane. This applies to all polarized cells, including neurons and epithelial cells in particular.
The epithelial cells' tight connections at the apical surface stop proteins from migrating to the apical membrane. Thus, despite being different from the apical surface, the basal and lateral surfaces continue to be nearly equal to one another.
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what was the role of revivalists of the second great awakening in the abolitionist movement? A. the revivalists of the second great awakening were against the abolitionist movement. B. many of the revivalists of the second great awakening campaigned against slavery. C. revivalists preachers didn't believe in slavery. D. most revivalists taught their enslaved people to preach to the American Indians.
Answer:
Im pretty sure it b
Explanation:
The tutorial said so
Answer:
The answer would be b
Explanation:
Do you think that Photosynthesis is important for
humans to live on the Moon or other planets?
Answer:
Probably jit, because photosynthesis is the way that plants eat/create their own food, to do so they need sunlight, water, soil, etc.
i really need help on this.
The molecules in a hot material are moving at a _______ speed than the molecules in a cold material.
Due to its lower density, warmer air is under _______ pressure than cooler air.
A/An _______ is a tool that measures humidity levels in the air.
Near Earth's surface, wind speeds tend to be slower due to _______.
When air reaches its _______, it can't hold any more water.
Answer:
1. faster
2. less
3. hygrometer
4. the friction layer
5. dew point
Explanation:
5. Not all evidence is easily identified as evidence.
Answer:
True
Explanation:
Evidence is either implicict, or explicit. This means it is either easily identified or a connection can be made to provide the evidence.
savvas the details of photosynthesis chart
Answer: First, the plant has to take in water, sunlight, and oxygen. In turn, it produces carbon dioxide and glucose. Sunlight is the most necessary thing that a plant needs to complete this cycle.
The length of the ear is equal to the distance from the normal hairline to the
The length of the ear is a measurement from the top to the bottom of the ear, typically taken along the outer curve.
The distance from the normal hairline to the ear is the measurement from the point where the hair starts growing on the forehead to the top of the ear. This distance can vary depending on the individual's hairline and the position of the ear on the head.
It is important to note that the length of the ear and the distance from the hairline to the ear are not directly related, as one measures the ear itself while the other measures the distance between two points on the head.
However, both measurements can be useful in determining the overall proportions of the head and face. It is also worth noting that the hairline can vary greatly between individuals, and may change over time due to factors such as age, hormonal changes, and hair loss.
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Question 10 of 34
Which of the following best describes the function of the human nervous
system?
A. The nervous system transports oxygen and nutrients to the body's
tissues,
B. The nervous system collects and responds to information about
the internal and external environment,
C. The nervous system protects internal organs and assists with
movement.
D. The nervous system protects the body against infection and helps
regulate body temperature,
Answer:
B. The nervous system collects and responds to information about
the internal and external environment,
Explanation:
The nervous system is the major controlling, regulatory, and communicating system in the body. It is the center of all mental activity including thought, learning, and memory. Together with the endocrine system, the nervous system is responsible for regulating and maintaining homeostasis.
grasses and clovers make their own food through the process of?
Chemosynthesis
Decomposition
Photosynthesis
Regurgitation
Answer:
Photosynthesis
Explanation:
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An action potential in the pre-synaptic neuron causes which ion to flow into the synaptic ending?
Answer:
Calcium is the correct answer
Explanation:
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Where is the perseverance rover scheduled to land on Mars
Gale Creter
Jezero Crater
Holden Crete
Victoria Crater
Which statement accurately describes the chemical symbol of an element?The chemical symbol is always a single letter.The chemical symbol always starts with the same letter as the name of the element.The chemical symbol always begins with a capital letter.The chemical symbol can be shared by more than one element.
Answer:
The chemical symbol of an element always starts with an chemical letter so here the answer is that the chemical symbol always begins with a capital letter.
Explanation:
Forearm bone involved in formation of the elbow joint. A. Trueb. False
The bone of the forearm involved in the formation of the elbow joint is the ulna, the correct answer is A) True.
The ulna is one of the two bones that form the forearm, the other being the radius with which it articulates both superiorly and inferiorly.
The upper joint of these two bones forms the radius ulnar joint, the radius in turn joins with the humerus forming the radius humeral joint.
The articulation of the radius, the cubitus, and the humerus form part of what is known as the elbow that allows the flexion and extension of the arm.
The radius in its inferior part articulates with two tarsal bones called scaphoid and lunate.
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Select the correct statement about capillary beds.A. Capillary beds are the site of nutrient and oxygen delivery to tissues.B. Capillary beds have the highest blood pressure of all blood vessels.C. Capillary beds join arteries and veins.D. Capillary beds have a total cross-sectional area much smaller than the total cross-sectional area of major arteries
The correct statement about capillary beds is :- Capillary beds have a total cross-sectional area much smaller than the total cross-sectional area of major arteries, because capillary beds have a total cross-sectional area much smaller than the total cross-sectional area of major arteries.
The correct option is :- (D)
capillaries are very small in diameter and highly numerous, which results in a large total cross-sectional area. This slow flow through capillary beds allows for efficient exchange of substances between the blood and the surrounding tissues.
Capillary beds are networks of tiny, thin-walled blood vessels that connect arterioles (small arteries) to venules (small veins) in tissues throughout the body. They are responsible for the exchange of nutrients, oxygen, waste products, and hormones between the blood and the surrounding tissues.
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How does the lizard-and-cricket example explain competition in an ecosystem?
Through the interaction of two species occupying similar ecological niches, the lizard-cricket scenario exemplifies competition in an ecosystem.
How does the lizard-and-cricket example explain competition in an ecosystem?Crickets and lizards both eat insects and compete with each other for the same prey when resources are limited.
Both species are driven to develop strategies to outcompete one another as a result of the selective pressure brought on by this competition.
Crickets with enhanced evasive abilities are more likely to escape predation, while lizards with superior hunting skills or adaptations have a greater chance of capturing them.
After some time, this cutthroat dynamic can prompt developmental changes, leaning toward characteristics that give an upper hand.
The illustration demonstrates how competition influences ecological dynamics and maintains equilibrium by shaping the distribution, abundance, and adaptations of species within an ecosystem.
Explanation:
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at which site on the dna of a gene does rna polymerase release its newly made rna? choose one: a. stop codon b. promoter c. tata box d. poly-a tail e. terminator
The terminator is the site on the DNA of a gene where RNA polymerase releases its newly made RNA; the correct option is E.
What is the role of RNA polymerase?RNA polymerase is an enzyme that binds to specific regions of DNA called promoters. Once bound to the promoter, RNA polymerase unwinds and separates the DNA strands, creating a transcription bubble. It then moves along the DNA strand, synthesizing a complementary RNA molecule using the DNA strand as a template.
The terminator is a DNA sequence that marks the end of a gene and signals RNA polymerase to stop transcribing the DNA template. It serves as a termination signal for the transcription process.
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most of cells dna is found in its what
Answer:
nucleus
Explanation:
How long does it take for water to go directly through you?
Answer:
165 minutes - 300 minutes
Explanation:
The time it takes for water to go through the human body can vary depending on a number of factors, such as the amount of water consumed, the individual's hydration status, and their overall health. Generally, it takes about 45 minutes to 1 hour for the water to pass through the stomach and small intestine, and then it takes around 2-4 hours for the water to pass through the large intestine, and finally, it is eliminated through the rectum. However, it should be noted that the timing can vary from person to person and also can be influenced by the presence of any medical conditions or medications that can affect the rate of digestion and elimination.
Xylem and phloem carry out specific functions in a plant. Which of the following terms does not apply to either xylem or phloem? a. Specialized cells b. Eukaryotic cells c. Differentiated cells d. Prokaryotic cells
Answer:
Prokaryotic cells
Explanation:
2. In the large cactus finch, some males have shorter beaks and other males have
longer beaks. Which type of selection probably operated on this species?
The type of selection probably operated on this species is directional selection.
What directional selection?Directional selection is a type of natural selection that occurs when individuals with traits at one end of a phenotypic distribution have a higher fitness than individuals with traits at the other end of the distribution.
This results in a shift in the distribution of a particular trait over time towards the more advantageous end of the distribution..
In this case, the availability of different food sources on the Galapagos Islands (such as cactus flowers and seeds) likely caused selection to favor individuals with longer or shorter beaks, depending on the particular food source available.
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Which series of energy transformations occurs as an electric generator
powers a lightbulb?
A. Light energy
Electrical energy
Kinetic energy
B. Kinetic energy
Electrical energy
Light energy
C. Electrical energy
Kinetic energy
Light energy
D. Kinetic energy
Light energy
Electrical energy
Answer:
I think the answer is option B, kinetic energy, electrical energy, light energy
Isn’t this physics
Explanation:
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Answer:
Kinetic ▶ electrical ▶ light
Explanation:
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How could you use the steps for evaluating a player for a concussion in evaluating whether someone is concussed? Please help!
Migraine or a headache, dizziness, nausea, fatigue, cognitive difficulty, Variations in mood, sleeping issues, diagnosis of concussions are the most typical signs of concussion.
How could you use the steps for evaluating a player for a concussion in evaluating whether someone is concussed?
A thorough examination and cognitive test must be conducted by a physician skilled in identifying and treating concussions. This will enable them to assess the level and impact of the concussion.
Your doctor will examine you for the following things which are hearing, Vision and reflexes and equilibrium and coordination your memory and the last one is your span of attention.
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