Dogs have 39 chromosomes. Each chromosome consists of a pair of identical chromatids attached together by a structure called a centromere. Once the chromosome has split, each chromatid is called a daughter chromosome. At the end of cytokinesis, how many daughter chromosomes will be found in each dog cell? 19 19.5 23 39 46
Answers
Answer:
39
Explanation:
Answer:
39
Explanation:
The cells copy themselves so there is one original and one new. We only count the new so it is still 39.
Related Questions
Name two examples of how land can be used to support the growth of trees in your local community
Answers
Land can be used to support the growth of trees in your local community by providing place for root growth and nutrient absorption.
What is the role of trees in the community?Trees help communities and a strong economy and can supply numerous resources to the people that need them. While cities are obtained hotter, trees can reduce urban temperatures. They provide habitat and food for animals. eventually, trees are valuable green infrastructure communities to manage storm water. Don't misuse paper. We are all aware that we can help save trees from being cut down by using less paper.
Trees give us clean water to drink, air to breathe, shade, and food for humans, animals, and plants. They give habitats for numerous species of fauna and flora, fatwood for cooking trees and heat, materials for buildings and places of spiritual, cultural, and comical importance.
So we can conclude that Trees can bring people together as a landmark within and hearten pride in people within that community.
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One student decides to keep track of the actual outdoor temperature for several weeks. He notices that the temperature was warmer on Fridays than on the other days of the week. He reasons that humans and other organisms release more carbon dioxide into the atmosphere on Fridays. He tries to convince his friends to rest on Fridays to try to avoid producing extra carbon dioxide. The student’s teacher explains that his reasoning is an example of pseudoscience. Why can it be considered pseudoscience?
Answers
The student’s reasoning was considered pseudoscience by the teacher because the student's claims to be scientific, but they contradict scientific methods.
What is pseudoscience?The term "pseudoscience" refers to claims that something is both true and scientific but yet are incompatible with the scientific method.
It is a claim, discovery, or explanation that is presented as science but lacks the objectivity required by science
Pseudoscience is frequently distinguished by conflicting, exaggerated, or unfalsifiable claims, reliance on confirmation bias instead of rigorous attempts at refutation, lack of openness to evaluation by other experts, absence of systematic practices when developing hypotheses, and continued adherence long after the pseudoscientific hypotheses have been experimentally disproved.
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15
Approximately how many degrees does Earth rotate on its axis over this five-hour period?
15°
45
75"
90°
A
Eliminator
8
Line Reader
Reference
CA
Period
Answers
Over a five-hour period, Earth rotates approximately 75 degrees on its axis. This calculation is based on the proportion that relates the time taken for Earth's complete rotation (24 hours) to the corresponding degrees of rotation (360 degrees).
The rotation of the Earth on its axis takes approximately 24 hours to complete one full rotation, which equals 360 degrees. To calculate how many degrees Earth rotates over a specific time period, we can use a simple proportion.
In this case, we have a time period of 5 hours. We can set up the proportion:
5 hours is to x degrees as 24 hours is to 360 degrees.
Using cross-multiplication, we can solve for x:
5 hours * 360 degrees = 24 hours * x degrees
1800 degrees = 24x
Dividing both sides by 24:
1800 degrees / 24 = x degrees
75 degrees = x
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which part of a plant attracts pollinators? view available hint(s)for part a which part of a plant attracts pollinators? sepal carpel stamen petals
Answers
The part of a plant that attracts pollinators is the petals.
They are often brightly colored and have appealing scents to draw in pollinators, such as bees, butterflies, and birds, which help with the fertilization process by transferring pollen from the stamen to the carpel.
The process of pollination involves the transfer of pollen from the male reproductive structure of a flower, the stamen, to the female reproductive structure, the carpel.
Pollinators play a critical role in this process by carrying pollen from one flower to another. When a pollinator lands on a flower to gather nectar or pollen, some of the pollen rubs off onto the pollinator's body, which is then transported to another flower, where it can fertilize the carpel and produce seeds.
In addition to attracting pollinators, petals also protect the reproductive structures of the flower, such as the stamen and carpel. They can also help regulate the temperature of the flower, which can affect the development of the pollen and ovules.
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what problems did some u.s. politicians initially see with the genocide convention?
Answers
Some U.S. politicians initially saw problems with the Genocide Convention, fearing that it could infringe on American sovereignty and that it may require the U.S. to intervene in foreign conflicts.
]The U.S. was one of the first countries to sign the Genocide Convention in 1948. However, it took almost 40 years for the U.S. to ratify it due to concerns from some politicians. One of the main concerns was that the Convention could infringe on American sovereignty by requiring the U.S. to submit to international jurisdiction.
Additionally, there was a fear that the Convention may force the U.S. to intervene in foreign conflicts to prevent genocide, which some politicians viewed as an infringement on U.S. foreign policy. Some politicians also argued that the Convention was too vague and could be used to interfere with domestic policies or to target U.S. military personnel. Ultimately, the U.S. ratified the Genocide Convention in 1988 with reservations and declarations, which limited the country's obligations under certain provisions of the Convention.
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Layer of meninges which is in contact with the spinal cord is called
A dura mater
B pia mater
C arachnoid mater
D corpora quadrigemina
Answers
Option B: Pia mater is the layer of meninges which is in direct contact with the spinal cord.
Your brain's surface and the surface of your spinal cord are securely bound together by a thin layer called your pia mater, which is the innermost layer. This layer is perforated by numerous blood arteries that deliver blood to the brain region. It aids in keeping cerebrospinal fluid contained. The pia mater in your spinal cord aids in keeping the cord rigid.
Your brain and spinal cord (central nervous system) are covered and protected by three membrane layers called meninges. The dura mater, arachnoid mater, and pia mater are three membranes that wrap and protect your brain. They also serve as a support system for lymphatics, blood vessels, neurons, and the cerebrospinal fluid that surrounds your central nervous system.
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you are a marathon runner and need energy for tomorrow's race. how would eating pasta (and pie) help your body produce the energy it needs? Be sure to describe what will happen when you are running the race ( and breathing hard).
Answers
Somebody help me so I can give y’all some points
Answers
Answer:
B: The number of neutrons
Explanation:
The difference is how many neutrons each has. Carbon-13 has 7 neutrons and C-14 has 8 neutrons.
Answer:
It has 15 different known isotopes, including carbon-13 and carbon-14. Carbon-13 makes up about 1% of all carbon atoms on Earth, while carbon-14 is used in radiocarbon dating because it decays into nitrogen-14 with a half-life of 5730 years.
Explanation:
It's B
yo please answer this
Answers
Answer:
Diaphram
Explanation:
We cannot breathe without it, because as we know the diaphram pushes the lungs so we can breathe in and breathe out. It is located under the lungs.
Thank you :)
Answer:
diaphragm
Explanation:
hope it is helpful
Data Analysis Coal often contains sulfur (S) as an impurity that is released as puscous S02 during combustion, and SO2 is one of six primary air pollutants monitored by the EPA. The US Clean Air Act limits sulfur emissions from large coal-fired boilers to 0.54 kilograms (1.2 pounds) of sulfur per million Bus (British thermal units) of heat generated. Given: 1 kilogram - 2.20 pounds 1 metric ton - 1,000 kilograme - 2.200 pounds - 1.1 ton sulfur emissions from large coal-fired boilers - 0.54 kilograms (1.2 pounds) of sulfur/1 million Htus (British thermal units) of heat generated coal's heating value - 27.5 million Blus/metric ton Geweet wie 9. Given that cal used by electric power plants has a heating value of 27.5 million Brus per metric ton (25 million Btus per ton), determine the number of kilograms (and pounds) of coal needed to produce 1 million Bus of heat. கனக பா patient 10. If all of the sulfur in the coal is released to the atmosphere during combustion, what is the maximum percentage of sulfur that the coal can contain and still allow the utility to meet the standards of the Clean Air Act?
Answers
To produce 1 million Btus of heat, you would need approximately 36.36 kg (79.99 pounds) of coal. The maximum percentage of sulfur that the coal can contain and still allow the utility to meet the standards of the Clean Air Act is approximately 1.964%.
Step 1: Find the Btus produced by 1 kg of coal.
1 metric ton of coal produces 27.5 million Btus of heat.
So, 1 kg of coal (1/1000 metric ton) produces (27.5 million Btus / 1000) = 27,500 Btus of heat.
Step 2: Calculate the kilograms of coal needed to produce 1 million Btus.
1 million Btus / 27,500 Btus/kg = 36.36 kg of coal (approximately)
Step 3: Convert kilograms to pounds.
1 kg = 2.20 pounds
So, 36.36 kg * 2.20 pounds/kg = 79.99 pounds of coal (approximately)
Therefore, to produce 1 million Btus of heat, you would need approximately 36.36 kg (79.99 pounds) of coal.
Next, let's find the maximum percentage of sulfur that coal can contain to meet the Clean Air Act standards.
Step 1: Calculate the amount of sulfur allowed per 1 million Btus of heat.
0.54 kg of sulfur is allowed per 1 million Btus of heat generated.
Step 2: Calculate the amount of sulfur allowed per 1 kg of coal.
0.54 kg sulfur / 27,500 Btus * 1 million Btus = 0.01964 kg of sulfur per 1 kg of coal.
Step 3: Calculate the maximum percentage of sulfur allowed in coal.
(0.01964 kg sulfur / 1 kg coal) * 100 = 1.964%
Therefore, the maximum percentage of sulfur that the coal can contain and still allow the utility to meet the standards of the Clean Air Act is approximately 1.964%.
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how is energy used ( by transporters and pumps), directly or indirectly to power potassium transport along the nephron, at the proximal tubule, loop of henle and the collecting duct
Answers
Energy is used directly and indirectly by transporters and pumps to power potassium transport along the nephron, specifically at the proximal tubule, loop of Henle, and the collecting duct.
In the nephron, the proximal tubule is responsible for the reabsorption of most of the filtered potassium back into the bloodstream. This process requires energy, which is provided by the ATP (adenosine triphosphate) generated through cellular respiration. The ATP is used by transporters, such as the Na+/K+ ATPase pump, to actively transport potassium ions across the cell membrane against their concentration gradient.
This pump utilizes the energy stored in ATP to move three sodium ions out of the cell and two potassium ions into the cell simultaneously. This establishes a concentration gradient for potassium, allowing it to be transported from the tubular fluid back into the bloodstream.
The loop of Henle plays a crucial role in establishing and maintaining the concentration gradient of potassium along the nephron. The ascending limb of the loop actively transports sodium and potassium ions out of the tubular fluid, utilizing the energy provided by the Na+/K+/2Cl- co-transporter.
This transporter uses the energy from the sodium gradient established by the Na+/K+ ATPase pump in the proximal tubule to move sodium, potassium, and chloride ions out of the tubular fluid. As a result, potassium concentration in the tubular fluid decreases, facilitating its reabsorption later in the nephron.
In the collecting duct, potassium transport is regulated by the hormone aldosterone. Aldosterone acts on the principal cells of the collecting duct, promoting the synthesis and activation of Na+/K+ ATPase pumps. These pumps consume ATP to actively transport potassium ions out of the tubular fluid and into the interstitial fluid, against their concentration gradient. The energy required for this process is derived from ATP generated through cellular respiration.
In summary, energy is used directly and indirectly by transporters and pumps to power potassium transport along the nephron. In the proximal tubule, the Na+/K+ ATPase pump actively transports potassium ions using ATP. In the loop of Henle, the Na+/K+/2Cl- co-transporter moves potassium ions out of the tubular fluid, utilizing the energy from the sodium gradient.
In the collecting duct, aldosterone stimulates the Na+/K+ ATPase pumps to transport potassium ions out of the tubular fluid, requiring ATP as an energy source.
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the ventral rami of spinal nerves ________ form the major nerve plexuses.
Answers
Answer:
The blank is:
C1 through T1 and L1 through S4
Hope this Helps
a gene’s product is always a protein.
a. true
b. false
Answers
Answer:b. false
Explanation:
Why can water have no net charge but have slight
charges in different parts of the molecule?
Answers
Water molecule is made up of one atom of oxygen and two atoms of hydrogen. The water is a polar compound and has slight charges due to differences in the charges.
Water molecule is composed of hydrogen and oxygen and is inorganic transparent liquid. The hydrogen and oxygen in a water molecule are linked by covalent bonds.
The oxygen is electronegative and attracts electrons. There is however no overall charge on the water molecule, but atoms of the compound have slight charges.
The unequal sharing of electrons between hydrogen and oxygen can give them slight positive and negative charges, respectively.
Thus, there are slight charges present on oxygen and hydrogen.
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One of the main weaknesses of the government formed under the
Articles of Confederation was that it lacked the power to
declare war on foreign nations.
negotiate diplomatic agreements.
levy taxes to pay the nation's debts.
O pass laws concerning new territories.
Answers
Answer: C. Levy taxes to pay the nations debts
Explanation:
yes
Were is the element box located?
Answers
Answer:
Their atoms are small than those in Group 1. Groups 3 through 12 are the Transition Metals. This group makes up most of the periodic table. On the far right, you'll find some metals, as well as metalloids and nonmetals.
Explanation:
As stated in the thinking critically about organizational support and creativity section of the textbook, middle managers can strengthen the extent to which employees perceive that they are valued and cared for by the organization, by strengthening which two factors below?
a. employee’s identification with their work unit and their identification with the organization’s mission
b. employee’s expectation of career success and employee’s buy in with the organizations vision
c. emotional intelligence and cognitive aptitude
d. employees’ identification with their work unit and their expectations of career success
Answers
According to the thinking critically about organizational support and creativity section of the textbook, middle managers can strengthen the extent to which employees perceive that they are valued and cared for by the organization, by strengthening employees’ identification with their work unit and their identification with the organization’s mission (A).
What is organizational support?Organizational support refers to the extent to which an employee feels that the organization values their contributions and cares about their well-being. It is critical to keep employees motivated and engaged with their work as an essential element in organizational success. The strength of an employee's commitment and engagement to the organization depends on the level of support they receive.
What is creativity?Creativity is the ability to think outside the box and generate novel and innovative ideas and solutions. Organizations value employees who can produce innovative ideas that enhance the company's products or services, establish new market trends, and generate new revenue streams.
What is the role of middle managers in organizational support and creativity?Middle managers are responsible for driving organizational support and creativity in the organization. They play a crucial role in enhancing employees' identification with their work unit and the organization's mission. The greater the employee's identification with the work unit and the organization's mission, the higher their level of organizational support and creativity.
In conclusion, the correct answer is (a) employee’s identification with their work unit and their identification with the organization’s mission.
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A critical rewiew of the literature is necessary in nearly all research projects. True False QUESTION7 OLioctivity and parsimony ase toet rolated to the rigor of an invesigatoo? Truse False QUESTION B Scientific itwestigatoo is characterized by a good theoretical base and a sound methodological design. These charactetistics are both relsted to the of the invesigation Wist must be filled on the line? Rigor Precision and contidance. Otinectivity Farnemeriv.
Answers
1. True 2. True 3. Scientific investigation is characterized by a good theoretical base and a sound methodological design. These characteristics are both related to the Option a. Rigor
True - A critical review of the literature is necessary in nearly all research projects. It helps researchers understand the existing knowledge and gaps in the field, identify relevant theories and methodologies, and build upon previous studies.
True - Objectivity and parsimony are both related to the rigor of an investigation. Objectivity refers to the impartiality and lack of bias in conducting and interpreting the research, while parsimony refers to the principle of simplicity in explaining phenomena or choosing the most straightforward explanation. Both objectivity and parsimony contribute to the rigor of a scientific investigation.
a. Rigor - Scientific investigation is characterized by a good theoretical base and a sound methodological design. These characteristics are both related to the rigor of the investigation. Rigor refers to the thoroughness, precision, and reliability of the research process, including the theoretical underpinnings and the robustness of the methods employed.
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The correct question is:
1. A critical review of the literature is necessary in nearly all research projects.
True
False
2. Objectivity and parsimony are both related to the rigor of an investigation?
True
False
3. Scientific investigation is characterized by a good theoretical base and a sound methodological design. These characteristics are both related to the of the investigation What must be filled on the line?
a. Rigor
b. Precision and confidence.
c. Objectivity
d. Parsimony..
If a yellow halo is present around a colony on a mannitol salt agar (MSA) plate, the bacterium cannot ferment mannitol.
true
false
Answers
If a yellow halo is present around a colony on a mannitol salt agar (MSA) plate, it indicates that the bacterium can ferment mannitol. hence the statement is not true, it is false.
Mannitol salt agar is a selective and differential medium commonly used to culture and differentiate Staphylococcus species, particularly Staphylococcus aureus.
The medium contains high salt concentration, which inhibits the growth of most bacteria except for staphylococci that can tolerate such conditions.
The differential aspect of MSA is due to the inclusion of mannitol, a sugar alcohol, as the fermentable carbohydrate source. Staphylococcus species that are capable of fermenting mannitol produce acid as a byproduct of fermentation.
This acid production causes a drop in the pH of the agar surrounding the bacterial colony, leading to a change in the pH indicator present in the medium.
The pH indicator in MSA is typically phenol red, which turns yellow in an acidic environment.
Therefore, if a yellow halo is observed around a bacterial colony on an MSA plate, it signifies that the bacterium can ferment mannitol and produce acid.
In summary, the presence of a yellow halo around a colony on an MSA plate indicates that the bacterium is capable of fermenting mannitol, not the other way around.
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12. The fine adjustment of the light microscope is used to
Answers
WHEN GRAPHING, THE MANIPULATED VARIABLE ALWAYS GOES ON THE X AXIS.
True
False
Answers
Answer:
True.
Explanation:
Always label the manipulated variable on the x- axis and the responding variable on the y-axis.
Of the following adaptations, which apply to life in rocky intertidal environments? Choose all that apply.
View Available Hint(s)
Some organisms can grow directly on top of other organisms.
Some organisms can survive for long periods of time out of water.
Having a soft, flexible body helps prevent organisms from drying out.
A thick exterior or exoskeleton helps protect creatures from being crushed.
Burrowing is one of the most common adaptations in rocky intertidal zones.
Answers
Rocky intertidal environments can be defined as the area that is found on the coast where tides rise and fall every day.
During low tide, rocky intertidal environments are exposed and become hot, dry, and saline. During high tide, it is submerged in seawater. In rocky intertidal environments, the following adaptations apply to life: Some organisms can survive for long periods of time out of water. Having a soft, flexible body helps prevent organisms from drying out. A thick exterior or exoskeleton helps protect creatures from being crushed. Burrowing is one of the most common adaptations in rocky intertidal zones. Organisms living in rocky intertidal environments have to be adapted to harsh living conditions due to the alternating conditions of water and air. The above options explain some of the adaptations required by these organisms in order to survive in rocky intertidal environments.
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Which of the following might be evidence for an extrasolar planet?
A. X-ray observations emanating from the star
B. Doppler-shifted stellar spectrum and physics calculations that indicate a low-mass object
C. Doppler-shifted stellar spectrum and physics calculations that indicate a high-mass object
D. direct visual observation of the planet transiting the star
Answers
Direct visual observation of the planet transiting the star might be evidence for an extrasolar planet as it can provide valuable clues and indirect evidence for extrasolar planets. Option D.
Direct visual observation of a planet transiting its star is strong evidence for the existence of an extrasolar planet. This occurs when a planet passes in front of its host star from our line of sight, causing a small but detectable decrease in the star's brightness.
This phenomenon can be observed using telescopes and specialized instruments, and it provides direct evidence of the presence of a planet. Hence option D is correct.
While X-ray observations, Doppler-shifted stellar spectra, and physics calculations can provide valuable clues and indirect evidence of extrasolar planets, direct visual observation of a planet transiting its star is the most compelling evidence for the existence of an extrasolar planet.
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____________ blood cells help to fight viruses and bacteria.
Answers
Answer:
white
Explanation:
Answer:
White blood cells
Explanation:
..
What are the 4 major systems of Earth?
Answers
Answer: lithosphere, hydrosphere, biosphere, atmosphere
Explanation: Land, Water, Living things, and air
Distance time graphs can you be used compare the what of two different objects
Answers
Answer:
Recall that on a distance–time graph, the speed of an object is equal to the gradient of the line that represents its motion. Therefore, to compare the speeds of the objects, we'll calculate and compare the gradients of the two lines
The Hardy-Weinberg Principal is that genetic frequencies in a population?
Answers
What happens to a light wave when it goes from something less dense to more dense?.
Answers
If a cell has 24 pairs of chromosomes in its diploid state, how many
chromosomes will it have after Meiosis 2?
A. 12
B. 24
C.48
D. 6
Answers
Answer:
option A is correct that is 12
Explanation:
meiosis occur in two phases in first phase DNA replication occur and amount of DNA become doubled without any change in the chromosome number and two daughter cell (each 2 n)are formed.
now in stage 2 each daughter cell undergoes mitosis with the formation of two cells with half chromosomes(n)
now 2n=24
n=24/2 =12
after meiosis stage 1...........two daughter cell each with 24 chromosomes
stage 2 .............each daughter cell form two grand daughter cell each with 12 chromosomes
net result.......4 daughter cell each with 12 chromosome(assuming cell as a diploid cell)
If a cell has 24 chromosomes before cell division then the daughter cell resulting from the mitotic division will have 24 chromosomes while the daughter cell resulting from the meiotic division will contain 12 chromosomes each.
The answer is option A.
What are meiotic and mitotic cell divisions?There are sorts of cell departments: mitosis and meiosis. most of the time whilst humans discuss “cellular division,” they suggest mitosis, the procedure of making new frame cells. Meiosis is the sort of cell division that creates egg and sperm cells. Mitosis is an essential technique for lifestyles.
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Photosynthesis & Cell Respiration
Topic: Cellular Respiration
Answers
The statement 'photosynthesis and cellular respiration are opposite reactions' best describes the relationship between photosynthesis and cellular respiration.
What is cellular respiration?Cellular respiration is a chemical process where foods and oxygen are used to generate ATP in aerobic conditions.Conversely, photosynthesis is a chemical process where light and carbon dioxide are used to generate chemical energy.In conclusion, the statement 'photosynthesis and cellular respiration are opposite reactions' best describes the relationship between photosynthesis and cellular respiration.The correct answer would be b. the products of cellular respiration are the same as the reactants of photosynthesis. Here are the equations for each:Photosynthesis is a series of metabolic reactions by which plants use energy from the sun and carbon dioxide to produce chemical energy, which is stored in the bonds of simple carbohydrates or sugars (e.g., glucose).Cellular respiration refers to the chemical reaction by which aerobic cells use the energy stored in the chemical bond of macronutrients (e.g., glucose) and oxygen to produce energy in the form of ATP.Photosynthesis occurs in chloroplasts of plant cells, whereas cellular respiration occurs in the cytoplasm and mitochondria (both animal and plant cells).In conclusion, the statement 'photosynthesis stores energy for cells, and cellular respiration releases' correctly describes the processes of photosynthesis and cellular respiration.Photosynthesis:
6CO2 + 6H2O + sunlight --> C6H12O6 + 6O2
OR
6 carbon dioxide + 6 water + sunlight --> glucose + 6 oxygen
Cellular respiration:
C6H12O6 + 6O2 --> 6CO2 + 6H2O + ATP
OR
glucose + 6 oxygen --> 6 carbon dioxide + 6 water + energy
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