Mitosis produces two diploid (2n) somatic cells that are genetically identical to each other and the original parent cell, whereas meiosis produces four haploid (n) gametes that are genetically unique from each other and the original parent (germ) cell.
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The chromosomes vary in that sister chromatids of each chromosome are genetically identical in a mitotically dividing cell, but sister chromatids are genetically distinct in a meiotically dividing cell due to crossing over in meiosis I.
What are chromosomes?Chromosomes are thread-like structures that are found within the nucleus of animal and plant cells.
Protein and a single molecule of deoxyribonucleic acid make up each chromosome (DNA). DNA, which is passed down from parents to offspring, contains the specific instructions that distinguish each type of living creature.
Each cell in humans normally contains 23 pairs of chromosomes, for a total of 46. Twenty-two of these pairs, known as autosomes, are identical in both males and females.
Meiosis produces haploid gametes, whereas mitosis produces somatic cells; meiosis requires two divisions, whereas mitosis requires only one division; mitosis produces genetically identical daughter cells, whereas meiosis produces genetically unique daughter cells.
Thus, this way, the chromosomes in gametes produced during meiosis differ from those in somatic cells produced during mitosis.
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Which of the following is NOT evidence that whales and dolphins changed over time and once lived on land?
1. They have lungs
2. They have arm bones that look like those bones of land-dwelling organisms.
3. They have small hairs.
4. They live in the water.
Which of the following is an area of authority in a design?
O Tension
O Dominance
O Accent
O Contrast
How do limiting factors control population growth?
Answer:With a positive relationship, these limiting factors increase with the size of the population and limit growth as population size increases. With a negative relationship, population growth is limited at low densities and becomes less limited as it grows.
Explanation:
Which of the following changes are linked to an increase in ocean water temperature?
Answer A: An increase in metabolism in marine species and a decrease in dissolved oxygen in ocean water
Answer B: A decrease in metabolism in marine species and a decrease in dissolved oxygen in ocean water
Answer C: An increase in metabolism in marine species and an increase in dissolved oxygen in ocean water
Answer D: A decrease in metabolism in marine species and an increase in dissolved oxygen in ocean water
The changes that are linked to an increase in ocean water temperature are an increase in metabolism and a decrease in dissolved oxygen in ocean water.
What do you mean by Dissolve oxygen?Dissolve oxygen may be defined as a relative measure of the amount of oxygen that is dissolved in a given medium.
It is universally accepted that a lack of oxygen leads to a rise in temperature. The process of metabolism internally requires energy but on completion of it, the temperature may get slightly increased in the surroundings.
Therefore, the changes that are linked to an increase in ocean water temperature are an increase in metabolism and a decrease in dissolved oxygen in ocean water. So, the correct option is A.
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The changes are linked to an increase in ocean water temperature an increase in metabolism in marine species and a decrease in dissolved oxygen in ocean water.
What factors affect the ocean's temperature?The temperature of ocean water is controlled by many factors. The factors affecting the temperature of ocean water are:
Latitude.Inequality in the distribution of water and land.Duration of day.Clear atmosphere.Distance of the earth from the sun.A Number of sunspots.Oceanic Currents.Thus, the option "A" is correct.
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The diagram below represents stages of a cellular process for a cell with 4 chromosomes
Answer:
Explanation:BCDA
Although electricity is needed, the creation and transmission of electrical energy can affect the environment. Which source of
electricity negatively impacts our environment the most?
A)
wind
8)
water
static
D
fossil fuels
Answer:
not static
Explanation:
i took the test and got it wrong by guessing static so not that one
Helppp this is due in 10 minutes!!!! (34 points) How, and why would some continent have more A-Allele than other continents?
Answer:
Several studies have found strikingly different allele frequencies between continents. This has been mainly interpreted as being due to local adaptation. ... Namely, allelic surfing during a population range expansion may increase the frequency of alleles in newly colonised areas
Hi I need help with 6!
Answer:
Overpopulation and Overconsumption, plastic production, disruption of the reefs, draining streams rivers, and production of black carbon
Jupiter's Great Red Spot is believed to be ____________.
a. a volcanic area
b. the effect of a mountain system on Jupiter's wind system
c. a zone of high ammonia concentration
d. a large rotating hurricane-like storm (cyclone)
e. none of these
The Great Red Spot, a permanent region of high pressure in Jupiter's atmosphere, is responsible for producing the largest anticyclonic storm in the Solar System. Thus, option D is correct.
What Jupiter's Great Red Spot rotating hurricane-like storm?In Jupiter's atmosphere, there is a huge, rotating storm known as the Great Red Spot. It is similar to an Earthly hurricane, but considerably bigger.
The Great Red Spot on Jupiter is larger than Earth by more than two times! Within this storm, winds can gust as high as 270 miles per hour (ca. 435 km/h).
When astronomers first focused their telescopes on Jupiter in the 17th century, they discovered a striking reddish patch on the massive planet. More than 300 years later, the Great Red Spot is still visible in Jupiter's atmosphere. It is now understood to be a big storm that is rotating like a cyclone.
Therefore, Jupiter's Great Red Spot is believed to be (a large rotating hurricane-like storm (cyclone)).
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Why are protists, plants, fungi, and animals classified into the same domain but into different kingdoms ?
They are the same domain because they are all Eukaryotes. They are different from each other because they are not all Multicellular.
Protists, plants, fungi, and animals are classified into the same domain but into different kingdoms, because they share certain characteristics but are completely different in other traits.
Protists, plants, fungi, and animals are eukaryotic organisms because all their cells have a cell nucleus and they have membrane-bound organelles.Protists are unicellular (single-celled) eukaryotes that generally live in water environments.Plants, fungi, and animals are multicellular and exhibit evolutionary differential features (e.g., cell wall).In conclusion, protists, plants, fungi, and animals are classified into the same domain but into different kingdoms, because they share certain characteristics but are completely different in other traits.
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Which of the following flower types are used to complete a design by adding depth?
O Line flowers
O Filler flowers
O Mass flowers
O Form flowers
Answer:
filler flowers
Explanation:
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N NO LINKS!!
lightning is generated when______charges
from the ground meet________charges from clouds.
Answer:
lightning is generated when electric charges from the ground meet negative charges from clouds
Explanation:
lightning is generated when______charges
from the ground meet________charges from clouds . answer: electric , negative
More than 20 species of Hawaiian honeycreepers are descended from a goldfinch-like ancestor that arrived on one of the islands about 5 million years
ago from Asia or North America. The birds of the various species are similar in body size and shape, but differ in color and boak shape. How could so
many species have evolved from a single ancestral species?
Fill in the missing words.
natural selection
founder effect
geographically isolated
species
evolution
The ancestral finch founded a new population on one of the Hawaiian Islands. Due to the
allele frequencies of the first
small population on one of the islands chuld have differed from their continental goldfinch-like ancestors. The process of
resulted in adaptation and
of the island population into a new
over time. Some of the birds crossed to some of the other islands where they were
and
evolved into more species occupying different niches.
How do viruses recognize their hosts?
A. they recognize and infect all organisms regardless of species
B. they recognize their hosts with the lock-and-key fit
C. They recognize the pilli in prokaryotes
D. They recognize the cilia in eukaryotes
Answer:
B
Explanation:
I have no idea how i learned this, but my brain is STRONGLY telling me that B is correct
What are the components that break down nutrients for absorption in order from simplest to more complex
Which statement best describes the image?
A)Ocean temperatures are relatively stable. During the day, the ocean cools the hotter air temperatures above land.
B)Ocean temperatures are relatively stable. During the night, the ocean heats the cooler air temperatures above land.
C)Ocean temperatures experience high fluctuations. During the day, the land cools the hotter air temperatures above the ocean.
D)Ocean temperatures experience high fluctuations. During the night, the land heats the cooler air temperatures above the ocean.Option 4
Answer:B
Explanation:
Ocean temperatures experience high fluctuations. During the day, the land cools the hotter air temperatures above the ocean. So, the correct option is C.
What is Ocean?Ocean is defined as a body of salt water that covers about 70.8% of the Earth's surface and contains 97% of Earth's water. It can also refer to any of the large bodies of water into which the World Ocean is conventionally divided.
The warmest oceanic region is present in the Persian Gulf, where surface water temperatures exceed 90 degrees Fahrenheit in summer. Another hot zone exists in the Red Sea, where a temperature of 132.8 degrees Fahrenheit has been recorded at a depth of about 6,500 feet.
Thus, Ocean temperatures experience high fluctuations. During the day, the land cools the hotter air temperatures above the ocean. So, the correct option is C.
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What major structures are located within the mediastinum in the human body
A microbe from an ecosystem that exists in the same arctic region has infected the whale population. The graph below shows the new carrying capacity for the whale population.
Explain how these microbes have affected the whale population. Does this new evidence change the seal and killer whale relationship? Does this new relationship represent a sigmoid or peak phenomenon? Please provide supporting details.
Answer:
Decrease population.
Explanation:
These microbes decrease the whale population by causing infection that leads to the death of the whale. The seal and whale relationship is the relationship of prey and predator. In this relationship, seal is prey and whale is predator that feeds on seal. Whale is considered as the predator that is present at the top of the food chain which feeds on fish and squid, seals and sea birds etc.
The whale population would decrease because of the microbes and this could possibly cause too many seals, which would be an overpopulation. This relationship wouldn’t be stable until later so it would be a peak phenomena.
If a heterozygous fire-breathing dragon
is crossed with one that does not
breathe fire, what proportion of their
offspring will be fire breathers?
Can someone please answer quick and correctly thxs and I will give brainliest
Where's the cell. It says "the cell shown above..." I can't help you unless I know which cell is above.
Please help me... I really need it
Answer:
B is correct option
Explanation:
Mosses plants that need full sun.THANKS
What is a prophage? (Short answer if possible)
Answer:
Prohage refers to the genetic material of a bacteriophage that has been incorporated into the genome of a bacterium and is able to produce phage if activated.
Which of the following is NOT a mass flower?
O Shasta Daisy
O Tuberose
O Gardenia
O Marigold
helpppppp me plz and please make these answer right please TnT
Answer is B
Explanation:
They are both increasing
A human skin cell contains 46 chromosomes how many chromosomes are present in a human egg cell
Answer:
23 chromosomes
Explanation:
Egg and sperm cells are produced by meiosis, which means they will be left with a half set of chromosomes.
¿Cuál de los siguientes enunciados NO forma parte de la teoría celular propuesta por Schleiden y Schwann, y con aportes de Virchow? * E) Toda célula deriva de otra preexistente D) Todos los seres vivos están formados por células. C) La célula es la unidad de evolución de los seres vivos. A) La célula es la unidad de estructura de los seres vivos. B) La célula es la unidad funcional de los seres vivos.
Answer:
C) La célula es la unidad de evolución de los seres vivos.
Explanation:
La teoría celular fue formulada por Schleiden y Schwann en 1837 a partir de observaciones propias y de información citológica relacionada con la estructura y la función de las células obtenida muchos años anteriores a ellos, especialmente a partir de los aportes de 1-Anton Van Leewenhoek, quien identificó microrganismos vivos mediante sus observaciones con un microscopio, y 2-Robert Hooke, quien observó celdas (de allí el nombre de células) también bajo el microscopio. Schleiden y Schwann postularon que la célula debería ser la unidad estructural y funcional en los seres vivos, la cual debería ser capaz de mantener de modo independiente el estado vital. Posteriormente, en 1855, Virchow aportó una conclusión fundamental: todas las célula derivan de la replicación (división) de células preexistentes. Los virus se consideran una excepción a la teoría celular porque ellos son considerados organismos vivos (aunque esta consideración está sujeta a debate), los cuales poseen un nivel estructural y de organización menor al nivel de una célula. Respecto a este punto, cabe aclarar que los virus son parásitos intracelulares los cuales derivan (descienden evolutivamente) de organismos celulares y por lo tanto es posible asumir a sus orígenes como subproductos de los genomas de las células (es decir, de organismos celulares).
If there was an oil spill in Puget Sound and half of the plankton was destroyed, what do you think would happen to the small fish in the sound? What about the salmon and whales? How do you think the people living near Puget Sound might be affected?
How can individuals help to conserve the resources in the picture?
Which is a difference between the Paleozoic and Mesozoic era?
Explanation:
Animals lived in the water during the Mesozoic and on land in the Paleozoic. Animal complexity increased during the Paleozoic while the first flowering plants appeared in the Mesozoic era. ...
The Paleozoic era, not the Mesozoic era, had the first dinosaurs. The first mammals emerged in the Paleozoic era, not the Mesozoic era. The Mesozoic era, not the Paleozoic era, had the first animals with shells.
The nitrogen cycle produces amino acids which allow plants to make ?
A. Sugar
B. nitrogen
C. protein
D. carbon