Answer:
Tissue level
Explanation:
los temas.
1. ¿La Meiosis es la división propia de células?
Answer:
Explanation:
Al igual que la mitosis, la meiosis es una forma de división celular eucariota. Sin embargo, estos dos procesos distribuyen el material genético entre las células hijas resultantes de formas muy diferentes. La mitosis crea dos células hijas idénticas, cada una de las cuales contiene el mismo número de cromosomas que su célula madre.
how do i get information about my surroundings
If it takes a human liver cell about 22 hours to complete one cell cycle, how many hours would a typical liver cell spend on the process of DNA replication? Show your work.
If you observed an onion root tip under the microscope, which of the stages of the cell cycle would you expect more of the cells to be in at any given time-interphase or mitosis? Explain.
If it takes a human liver cell about 22 hours to complete one cell cycle, the number of hours that a typical liver cell would spend on the process of DNA replication is 9.9 hours.
If an onion root tip is observed under the microscope, most of the onion root tip cells would be in the interphase stage of cell division because the life span of a cell is mostly spent in interphase.
What is the time spent by the cell in DNA replication?The time in hours spent by the cell in DNA replication is determined as follows:
In a typical cell cycle, 45% of the time is spent on DNA replication.
If a human liver cell spends about 22 hours to complete one cell cycle,
45% of 22 hours = 0.45 * 22
45% of 22 hours = 9.9 hours
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A student astronomer went outside and made two observations of the Moon that were several days apart. Her observations are shown in the diagram above. The light part of the Moon appeared to get smaller over time. Why did this happen?
Answer:
The light part of the Moon appeared to get smaller over time because of the change in the relative position of the Moon, the Sun, and the Earth. This is known as the lunar phase. The changing appearance of the Moon from the Earth's perspective is caused by the Moon's orbit around the Earth and the position of the Moon and Sun relative to the Earth. The Moon's phases are caused by the angle between the Moon, Earth, and Sun changing, as the Moon orbits the Earth. When the Moon is between the Earth and the Sun, the side facing the Earth is not illuminated by sunlight, so it appears dark, and this is called a new moon. When the Moon is on the opposite side of the Earth from the Sun, the entire side of the Moon facing the Earth is illuminated by sunlight, so it appears full, and this is called a full moon. As the Moon moves in its orbit, the angle between the Sun, Earth, and Moon changes, causing the illuminated portion of the Moon visible from the Earth to change, leading to different lunar phases.
needed ASAP ill give brainly if its correct
Answer:box 2
Explanation: I believe its right
Beginning with the smallest level, the levels of organization of the body are:
A. cell, tissue, atom, organ system, organism
B. cell, atom, tissue, organism, organ system
C. cell, atom, tissue, organ, organ system, organism
D. atom, cell, tissue, organ, organ system, organism
Answer:
the correct answer will be D I am little confused.
or it is C
A biologist explored a remote island and discovered a new living organism. After several observations were made of the
organism, the biologist claimed that it was a vascular plant. His notes are listed below.
"I have found a new organism during my explorations. The organism was found low to the ground and is green. Based on
experiments, the organism seems to require sunlight to survive. Small, oval seeds were
found on the organism; they grew
into identical organisms when put in the soil. The organism had sharp spikes around the main body, most likely for
protection. The organism was able to absorb water from the surrounding soil. It was also observed that the organism used
specialized veins to carry water throughout its body. Based on these observations and experiments, I have determined that
this organism is a vascular plant."
Which of the following observations LEAST supports his claim?
A)
The organism is low to the ground.
B)
The organism reproduces with seeds.
The organism requires sunlight.
D)
The organism was able to transport water through specialized veins.
Answer:
The organism requires sunlight.
Explanation:
What are the two
main things that determine
climate?
Answer:
Hi.
↬ temperature and precipitation
Explanation:
↬ The yearly average temperature of the area is obviously important, but the yearly range in temperature is also important. Some areas have a much larger range between highest and lowest temperature than other areas.
Which governmental level usually administers permitting and regulation of land use?
Answer: Local Governments
Explanation:
Generally, local governments have a large degree of autonomy to control land use within their jurisdictions. States typically grant them the authority to pass ordinances and regulations as long as they do not conflict with other laws. Furthermore, all states give municipalities the power to enact zoning regulations. In 15 states, state legislation also requires municipalities to adopt a Comprehensive Plan. Similarly, in 8 states local governments are required to adopt Local Zoning Ordinances.
The diagram to the right shows a planet's orbit around the Sun. At which location is the planet's orbital
velocity (speed) greatest?
A
Sun
Answer:
According to the second Kepler's law:
A line joining a planet and the Sun sweeps out equal areas during equal intervals of time
The planet travels faster when closer to the Sun and slower when distant.
So the answer is point A
Which statement is true for pelvic splanchnic nerves?
A. carry preganglionic sympathetic fibers
B. carry preganglionic parasympathetic fibers
C. carry postganglionic sympathetic fibers
D. carry postganglionic parasympathetic fibers
E. B & C
The statement that is true for pelvic splanchnic nerves is B. carry preganglionic parasympathetic fibers.
What is pelvic splanchnic nerves?The pelvic splanchnic nerves serves as one that help in the innervation of the pelvic as well as the genital organs.
It should be noted thtat the nerves help in the process of regulating the emptying of the urinary bladder, as ell as controlling the opening and closing of the internal urethral sphincter.
From the illustration, it can be deduced that Parasympathetic preganglionic nerve fibers that supplies the ciliary muscle as well as the pupillary constrictor muscle is been carried by the pelvic splanchnic nerves.
Therefore, option B is correct.
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What is a land breeze?
Answer:
is a breeze blowing towards the sea from the land, especially night owing to a relative warmth
of a sea.
I believe it helps you
Answer:
a breeze blowing towards the sea from the land, especially at night, owing to the relative warmth of the sea.
Explanation:
Which person made the statement in the box upon becoming president in 1963?
Responses
A Lyndon B. JohnsonLyndon B. Johnson
B John F. KennedyJohn F. Kennedy
C George H.W. BushGeorge H.W. Bush
D Dwight D. Eisenhowe
The statement in the box was made by John F. Kennedy upon becoming president in 1963.
Kennedy was inaugurated as the 35th President of the United States on January 20, 1963, succeeding Dwight D. Eisenhower. His inaugural address was a call for national service and a call to action for all citizens to become involved in the affairs of their nation.
Kennedy's speech was one of the most memorable in American history and is widely considered one of the most important presidential speeches of the 20th century. In his address, Kennedy famously said, "Ask not what your country can do for you; ask what you can do for your country."
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please help 25 pointsss
If a food has many calories relative to its physical size, it's considered to have a
A. high calorie density.
B. low calorie density.
C. high fat density.
D. low fat density.
Answer:A
Explanation: High-calorie density per its physical size
Answer:
A is the answer because it is high in calories density
Hello please help will give brainliest thank you!
Answer:
D
Explanation:Mitosis is basically halfing the cell (making two identical ones)
Answer:
d-two identical nucleus
Explanation:
mitosis end result gives you two identical daughter cells and meiosis gives you for different cells.
What is something that you have changed your mind about in biology? Make your own answer:
Students' biology experiences also aid in the development of their environmental literacy is something that has changed my mind about biology.
The significance of biology can be seen from a variety of angles. The study of life lies at the heart of biology, first and foremost.The interaction between all living and nonliving entities is also thoroughly explained scientifically. Third, it illuminates the diversity of life forms.
In addition, biology covers a variety of other scientific disciplines that are concerned with the viability of life, such as those that investigate the environment, the ecosystem, the quality of food, the origins of disease, the creation of pharmaceuticals, and the human body, to mention a few.
Homeostasis, energy transfer and utilization, the connection between structure and function, and change over time are key biological principles on which students should concentrate.
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The feature labeled 7 are ___________________ which are located in ________________.
HELP PLS QUICK THIS IS IN K12
The feature labeled 7 are parking meters which are located in urban areas.
What is urban?Urban areas are highly inhabited areas that have a diversity of land uses and a high population density. High rates of economic activity, rapid population increase, and a variety of housing types are typical characteristics of these locations. Normal associations between urban regions and high levels of poverty, crime, and pollution exist. Typically, urban regions can be located in the centre of large cities, in the midst of them, or in their suburbs.
Public transit, such subways, buses, and trains, is frequently connected with urban areas. Numerous universities, hospitals, and other public services are located in urban regions. With their abundance of eateries, stores, and cafes, urban areas are frequently centres of culture, leisure, and relaxation. Due to greater expenses for resources like land, labour, and other resources, operating a business in an urban region is typically significantly more expensive than in a rural area.
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The nuclear DNA content of a single sperm cell in Drosophila melanogaster is approximately 0.18 picogram. What would be the expected nuclear DNA content of a primary spermatocyte in Drosophila
Answer:
The correct answer is - 0.72 pg.
Explanation:
A we know that, genetic material present in one primary spermatocyte divides in between four sperm cells that means that each sperm cell has 25 percent of DNA or genetic material of the primary spermatocyte.
Given:
1 sperm cell = 0.18 nuclear DNA
So,\(DNA content of one sperm cell = \frac{\text DNA content of primary spermatocyte}{4}\)
0.18*4 = DNA content of primary spermatocyte
DNA content of primary spermatocyte = 0.72 picogram
According to the Law of Conservation of Mass, there need to be the samenumber of atoms on each side of a chemical equation. Photosynthesis andcellular respiration have been described as opposite reactions. In order toshow the Law of Conservation of Mass, which of the following must be truefor these two reactions?F. Photosynthesis uses more hydrogen atoms, but both reactions use thesame number of carbon atoms.G. Photosynthesis uses more carbon atoms and cellular respiration hasfewer oxygen atoms.H. Photosynthesis uses the same number of oxygen atoms as cellularrespiration, but cellular respiration uses more hydrogen.1. Photosynthesis and cellular respiration each use the same number ofcarbon, hydrogen, and oxygen atoms.
Solution:
Note that Photosynthesis is represented by the following chemical formula:
On the other hand, Cellular respiration or aerobic respiration is represented by the following chemical formula:
According to the above information, note that Photosynthesis and cellular respiration each use the same number of carbon, hydrogen, and oxygen atoms. So that, we can conclude that the correct answer is the last option:
Photosynthesis and cellular respiration each use the same number of carbon, hydrogen, and oxygen atoms.
Approximately how long has the victim been dead if his body temperature was 93.2?
Answer:
Approximately 5 hours
Explanation: The body is still warm, so it couldn't have been very long
Where is the best place to live to avoid the problems caused by
climate change and why?
which permits a single gene to code for more than one polypeptide
Answer:
Alternative splicing
Explanation:
Alternative splicing, or alternative RNA splicing, or differential splicing, is an alternative splicing process during gene expression that allows a single gene to code for multiple proteins.....Hope this helps
what usually accompanies a cold spell in minnesota?
-. Man is unable to digest dietary: A. Glycogen. B. Dextrin. C. Saccharose. Cellulose. E. Glucose.
Answer:
Humans are unable to digest cellulose, because the appropriate enzymes to breakdown the beta acetal linkages are lacking.
Answer: Cellulose
Correct option is D
Explanation:
The molecular structure of cellulose is composed of linear polysaccharide units different from the starch. Thus the enzymes for starch digestion are present but for cellulose digestion, there is no enzyme present inside our body.
Therefore Man is unable to digest cellulose because the appropriate enzymes to breakdown the beta acetal linkages are lacking.
Only people who are unable to write music using staff notation use graphic scores.
A. False, people who are able to write music using staff notation always use graphic scores
B. False, people who are able to write music using staff notation sometimes use graphic scores
C. False, no one uses graphic scores
D. True
Two gases that plants must exchange with the air are: a. oxygen and nitrogen. b. oxygen and carbon dioxide. c. carbon dioxide and nitrogen. d. carbon dioxide and carbon monoxide.
i belive it is B. oxygen and carbon dioxide
Plants use carbon dioxide for photosynthesis and oxygen is a product of photosynthesis.
The two gases that plants must exchange with the air are oxygen and carbon dioxide. Oxygen is required for respiration while carbon dioxide is required for photosynthesis. The exchange of these gases is essential for the survival of plants and for maintaining the balance of gases in the atmosphere. Option B)
The two gases that plants must exchange with the air are oxygen and carbon dioxide. Plants consume carbon dioxide during photosynthesis and release oxygen back into the atmosphere. This process of photosynthesis occurs in the chloroplasts of the leaves and involves the absorption of sunlight and conversion of carbon dioxide and water into glucose and oxygen.
In the process of respiration, plants use oxygen to break down glucose and release energy. The waste product of respiration is carbon dioxide, which is released back into the atmosphere. This exchange of gases is vital for the survival of plants as well as for maintaining the balance of gases in the atmosphere.
Oxygen is important for the survival of all living organisms, including plants. It is required for respiration, which is the process of releasing energy from food. Carbon dioxide, on the other hand, is a waste product of respiration and is required for photosynthesis. The exchange of these two gases between plants and the atmosphere is essential for the survival of both. Therefore option B) is correct.
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What type of transport is being shown in the image below?
Facilitated Transport
Active Transport
Endocytosis
Osmosis
Answer:
Facilitated diffusion
Explanation:
energy is being used to move molecules with the concentration gradient
The type of transport showed in the image is Active Transport.
Active Transport is a type of transport that requires energy (e.g., ATP) to move substances through biological membranes.This process (Active Transport) is used by cells to move molecules against a concentration gradient, i.e., from areas of low concentration to high concentration.In active transport, different types of membrane proteins known as carriers help to move substances through the cell membranes.In conclusion, the type of transport showed in the image is Active Transport.
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A zebra and a donkey can successfully mate to produce offspring known as a zonkey. Zonkeys are infertile, display a mixture of donkey and zebra traits, and have a different number of chromosomes from both parent species. Would zonkeys be classified as their own species? Explain with at least one full sentence.
Zonkeys are the offspring produced from a cross between a zebra and a donkey. These are classified as a separate species as it shows characteristic
What are Zonkeys?A zonkey is a offspring produced from the cross between a zebra and a donkey. Donkeys are closely related to zebras and both of these animals belong to the horse family.
Zonkeys are the used as beasts of burden (work animals) because of their great strength and stamina to hold heavy weights. It is also believed that they inherit resistance to some pests and diseases as well from their zebra fathers. Some zoos also use them to offer rides to the public.
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Based on your knowledge about Biology and this information, evaluate each statement as Likely or Unlikely to be true:a) Carbon dioxide is a direct source of energy in photosynthetic and chemosynthetic systems.b) Gene flow between worm populations found at one vent and another vent is evidence for these worms being the same biological species.c) Gene flow resulting from larvae dispersing between hydrothermal vents can act against local adaptation.d) Without chemoautotrophic organisms, the energy from the hydrothermal vents would be accessible to other organisms.
Carbon dioxide is part of capturing energy, but it is not the direct source. The direct source in photosynthetic systems, for example, is sunlight. Therefore, a) is UNLIKELY.
Gene flow only occurs between individuals from the same species, because it involves the transfer of alleles and individuals from different species wouldn't be able to do so. Therefore, b) is LIKELY.
Gene flow can act agains local adaptation because it brings new factors, which will again transform the circumstances in which the organismsm are trying to adapt. Therefore, c) is LIKELY.
Chemoautotrophic organisms acquire energy and this energy is accessible to other organisms by consuming the chemoautotrophic ones. So, if they weren't there, there would be no way for ther other organisms to access the energy. Therefore, d) is UNLIKELY