if a cell that had two copies of each chromosome, but problems with the spindle caused the sister chromatids to remain attached to each other and to only one spindle pole, what cells would result?
Answers
if a cell that had two copies of each chromosome, but problems with the spindle caused the sister chromatids to remain attached to each other and to only one spindle pole, membrane invagination, two unique daughter cells are produced .
Until anaphase of mitosis or anaphase II of meiosis, sister chromatids are still joined together. Sister chromatid separation makes guarantee that during cell division, each daughter cell receives the right amount of chromosomes. Each mitotic daughter cell in a human would be a diploid cell with 46 chromosomes. Definition and Example of Sister Chromatids. DNA and proteins make up the threadlike structures known as chromosomes. Chromosomes are made up of two arms, called chromatids, that are connected by centromeres and are split during cell division. Sister chromatids are chromatids that have been joined.
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Related Questions
Where can you find most of Earths’s frozen freshwater? I will mark brainiest plz give rig by answer
Answers
Answer:
C. In mountain glaciers
Explanation:
That is all frozen freshwater.
Answer:
In the Southern polar ice cap
Explanation:
Ash trees are being removed when they show signs of the ash borer, a parasite that affects only ash trees and kills them off. What best explains why the ash trees are being cut down? The ash borer is a density-independent limiting factor, and humans need to clear cut to control tree density. The ash borer is a density-dependent limiting factor and will start to spread to nearby healthy trees. Ash trees are outcompeting other trees and are thus more affected by the ash borer. Changes in climate have decreased ash borer populations which indirectly increased the need for cutting down the trees.
Answers
Answer:
The ash borer is a density-dependent limiting factor and will start to spread to nearby healthy trees.
Explanation:
Ash borer is a parasite that affects ash trees it is highly destructive and invasive. It affects it Native host causing serious damages. Infected plant is cut down to avoid its spread to other healthy plant this is because ash bored when not control can destroy a whole population of ash trees in it Native environment within the space of 10 years. Its population dependent and would keep increasing in population and become more destructive. Thus, to avoid its spread infected trees are treated cut down and cut down.
Blue ash a type of ash tree shows high resistance to ash borer because of it high tanning content that makes the leaf not suitable to consume to them.
Answer:b
Explanation:
The network of nerves that regulate digestive motility, secretion, and blood flow is called the __________ system.
Answers
Sustainability draws on politics, economics, philosophy, and hard sciences to influence all of the following except
Answers
Answer: Economic & Environmental
Explanation:
Sustainability draws on politics, economics, philosophy, and hard sciences to influence all of the following except Economic & Environmental
which characteristic(s) are used to distinguish members of the enterobacteriaceae from one another? group of answer choices both motility and the ability to ferment lactose. the presence or absence of the enzyme oxidase. both motility and the presence or absence of the enzyme oxidase. motility the ability to ferment lactose.
Answers
Litmus milk is primarily used to distinguish members within the genus Clostridium. It distinguishes Enterobacteriaceae from other gram-negative bacilli based on the ability of enteric solvents to reduce litmus.
Moreover, Enterobacteriaceae is a family of Gram-negative, facultatively anaerobic, non-spore-forming rods. Characteristics of this family include motility, catalase positive and oxidase negative includes reduction of nitrates to nitrites and acid production from glucose fermentation.
Members of the Enterobacteriaceae are bacilli, facultative anaerobes, fermenting sugars producing lactic acid, and various other end products. They are usually 1-5 μm long and have Gram-negative stains. Most have many flagella used for locomotion, but a few genera are non-motile.
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Which of the following is a global sustainability issue that was NOT
identified by the Brundtland Report in 1987?
O Loss of biodiversity
O Climate change
OHuman land use
Industrial pollution
Answers
Answer: it’s C
Explanation:
when the tetrads are formed during meiosis what is the benefit of crossing over
A. the chromosomes exchange genetic information
B. the chromosomes double in number
C. the chromosomes are reduced by half
Answers
The benefit of crossing over is that during crossing over there is an exchange of genetic material between the chromosomes. So option A is correct.
Crossing over produces new gametes with new sets of genes. This helps to increase the genetic variety of any progeny. Crossing over is important because it guarantees genetic diversity and promotes genetic reassortment, which is the primary determinant of genetic diversity among offspring that would otherwise result in a high incidence of abnormalities and genetic disorders.
In the event of unequal crossing over, the event results in the deletion of one of the chromatids involved and the insertion of another, which can result in genetic disease or even developmental failure if a critical gene is lost.
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does anyone know this answer?
Answers
Answer:
have long deep roots and store food
Explanation:
they just do
they need to to survive
how do trees create light for a house
Answers
Trees create light for a house by allowing sunlight to pass through it.
Also. trees can create light for a house when they are burned.
What is the role of trees in providing light?In addition to providing shade, trees can help keep a place cool by lowering the demand for air conditioning.
Deciduous trees can also give shade during the summer while allowing sunshine to enter during the winter by being planted on a space's southern side.
By decreasing the need for artificial lighting during the day and helping to maintain the room's temperature, this can conserve energy and cut down on electricity bills.
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What would be the best option for showing locations of housing and industry on a city map?
a) labeling housing zones with a single dot
b) using grid lines and icons to show city zones
c) drawing a circle around the industry areas
d) using arrows to point out housing and industry
Answers
The best option for showing locations of housing and industry on a city map is drawing a circle around the industrial areas. Thus option "C" is correct.
What are general reference maps?Road maps and historical maps are general reference maps as it shows the physical (natural and man-made) features in an area and can use different colours to differentiate different rods and locations.
Early formed maps or historical maps are general reference maps as it can represent the discovery of a landscape briefly.
Thus option "C" is correct.
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Which of the following biomes is found in
Brazil?
Desert
Savanna
Tundra
Chaparral
Answers
Answer:
Savanna
Explanation:
I am nice so dont be mean
The Savanna biome is found in Brazil. Therefore, the correct statement is option C.
What is biomass?Biomass refers to the total mass of living organisms present in a particular ecosystem. Biomass includes the mass of living organisms such as plants, fungi, animals, bacteria, dead organic matter, etc.
Biomass can be used to generate heat or electricity and act as a source of energy by burning of wood or other plant material. It also used to produce biofuels from corn and sugarcane and bioplastics made from plant-based materials.
The biome found in Brazil is savanna. This biome is a tropical grassland ecosystem covering approximately 25 percent of the country's total land area. It involves a mix of grasses, shrubs, and trees, with a distinct dry and wet season, and is a home to a diverse range of species, including jaguars, capybaras, many species of birds, reptiles, and insects.
Therefore, savanna is the biome found in Brazil.
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explain how machines can be useful if the output work is always less than the input work.
Answers
Answer:
If the output work makes the job easier in any way.
Explanation:
What does tRNA use anticodons or codons
Answers
I need a sentence describing how volcanoes are created around the Ring of Fire. Using
all of these terms: convection current, subduction zone, plate boundary, oceanic plate, water, magma, and volcano.
Need Help ASAP!!
Answers
Answer:
the ring of fire was when the plate boundarys collided. this caused the oceanic plates to rise above the water. the convection and current cause the subduction zone to make a volcano and magma.
Explanation:
The ring of fire was caused by the collision of the plate boundaries. As a result, the oceanic plates moved upward, until they were above the water. Both convection and current are responsible for the formation of a volcano and magma in the subduction zone.
What is a volcano?A breach in the crust of a planetary-mass object, such as the Earth, can give rise to the formation of a volcano. This rupture makes it possible for molten lava, volcanic ash, and gases to escape from a magma chamber located under the surface. Volcanoes are most common on Earth at locations where two or more tectonic plates are moving in opposite directions, and the majority of volcanoes are found deep within the ocean.
Volcanic rock and ash make farmers' crops grow better. The volcano attracts tourists, boosting the local economy. Locals get free electricity from geothermal energy.
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Which was not a source of heat for early Earth?
A.asteroid and meteorite bombardment
B.hydrothermal energy
C. gravitational contraction
D.radioactivity
Answers
Answer:
hydrothermal energy
Explanation:
It was not invented
Earth was extremely hot after it formed. There were three likely sources of this heat: Earth's gravitational contraction, radioactivity, and bombardment by asteroids, meteorites, and other system bodies.
Hydrothermal energy was not a source of heat for early earth.
What was early earth?The Earth, along with the other planets in our solar system, originated more than 4 billion years ago.The early Earth had no ozone layer and was most likely quite hot. There was also no free oxygen on the early Earth.Few things could have survived on the early Earth without an oxygen environment. Anaerobic bacteria were most likely the first living organisms on Earth.The early Earth had no seas and was constantly bombarded by meteors and asteroids. Volcanic outbursts were also common. Volcanic eruptions emitted water vapor, which cooled to form the seas.As solar radiation broke water molecules and cyanobacteria began photosynthesis, the atmosphere gradually became increasingly oxygen-rich. Eventually, the atmosphere evolved into what it is now, which is oxygen-rich.Around 2 billion years ago, the first sophisticated species appeared on Earth.
Thus, we can conclude that Option B is correct.
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Which organelle is most responsible for regulating the amount of salts and nutrients that enter the cell?
A. nucleus
B. cell wall
C. vacuole
D. cell membrane
Answers
Answer:C
Explanation:It depends on the vacuole's concentration.
Answer:
Explanation:
Answer C(brrrr)
how can you change a sedimentary rock into an igneous rock?
Answers
Answer:
The answer is A. Melting and Cooling.
Explanation:
tru or false
Do plants lose water
Answers
Answer:
True is the answer of the question
Answer:
True they lose water by the process of Transpiration.
Explanation:
Hope this helped :)
which of the following represents the highest structural level in the elephant body?
a-the muscular tissue
b-the stomach
c-the nervous system
d-the foot
Answers
Elephants walk on their toes, distributing their body weight equally over the fatty/connective tissue near the heel, tilted foot shape. Thus, option D is correct.
What is the highest structural level in the elephant?Elephant feet have an inclined bone and a thick pad of fat and connective tissue near the heel.
Elephants walk on their toes, distributing their body weight equally over the fatty/connective tissue near the heel to the tilted foot shape having. The highest structural level in the elephant body.
For instance, a 2.88 m tall, 4,167 kg adult male Asian elephant distributes just 3.8 kg (8.38 lb) of weight per square inch on its heels.
Elephants can move safely over uneven terrain and muddy ground thanks to their unusual foot anatomy.
Therefore, the foot represents the highest structural level in the elephant body.
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examine the food chain. if a disease killed all the mice in this food web, how would that affect the owls and hawks? responses owls would be affected more because they are predators for fewer animals than the hawks. owls would be affected more because they are predators for fewer animals than the hawks. hawks would be affected more because they are predators for more animals than the owls. hawks would be affected more because they are predators for more animals than the owls. since they are both predators of mice, the hawks and the owls would be affected the same. since they are both predators of mice, the hawks and the owls would be affected the same. since they are both predators of other animals, neither the hawks nor the owls would be affected. since they are both predators of other animals, neither the hawks nor the owls would be affected.
Answers
The statement "Owls would be affected more because they are predators for fewer animals than the hawks" accurately describes the likely outcome in this scenario.
If a disease killed all the mice in the food chain, the owls and hawks would be affected differently. Owls primarily rely on mice as a food source, while hawks are predators for a wider variety of animals. Therefore, the absence of mice would have a greater impact on owls since they heavily depend on mice as their main prey. Without mice, owls would experience a significant reduction in their food supply, potentially leading to decreased population numbers, reduced reproductive success, and increased competition for alternative prey.
On the other hand, hawks have a broader range of prey options, so while the absence of mice may still impact their diet to some extent, hawks have the ability to switch to other available prey species. Their population and survival may be less affected compared to owls, as they have a more flexible feeding strategy.
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Water frogs that live on Greek islands in the Mediterranean were separated from mainland water frogs when salt-water levels rose to form the islands, allowing differences in the isolated populations to develop. Suppose one large group of frogs on the mainland uses a low-pitched call to attract mates while otherwise identical frogs on a nearby island use a high-pitched call. A boat carries a few high-pitched frogs in its cargo to the mainland. Which of the following answer choices best predicts the outcome of this event?
The frogs from the islands introduce new genes to the mainland gene pool, causing a change of pitch in the mainland frog population.
The mainland frogs respond to competition with the new frogs by genetically mutating their offspring to produce high-pitched calls.
The mainland frogs learn to make high-pitched calls and pass on this adaptation in their genes to future generations.
The frogs from the islands are quickly eliminated by natural selection because they sound different than the mainland frogs.
Answers
option A, that the frogs from the islands introduce new genes to the mainland gene pool, causing a change of pitch in the mainland frog population, is the most plausible prediction.
How do frog reproduce ?The most likely outcome of this event is that the mainland frogs will continue to use their low-pitched call to attract mates, while the introduced high-pitched frogs will likely have difficulty finding mates and may not successfully reproduce.
Even if the high-pitched frogs do manage to mate with the low-pitched frogs, it is unlikely that their offspring will produce calls that are significantly different from the low-pitched calls of the mainland population.
This is because the difference in calls is likely to be a result of genetic differences that have accumulated over a long period of time due to geographic isolation, and a few individuals from the island population are unlikely to introduce enough genetic variation to cause a significant change in the mainland population's call frequency.
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What system contains transitional epithelium?
Answers
Answer:
urinary system
Explanation:
Transitional epithelium is a type of stratified epithelium. This tissue consists of multiple layers of epithelial cells which can contract and expand in order to adapt to the degree of distension needed. Transitional epithelium lines the organs of the urinary system and is known here as urothelium.
Answer:
epithelial
Explanation:
Billy thinks evolution is slow and continuous. He believes in
Answers
Answer:
Gradualism
Explanation:
gradualism. noun. The belief in or the policy of advancing toward a goal by gradual, often slow stages. Biology The view that evolution proceeds by imperceptibly small, cumulative steps over long periods of time rather than by abrupt, major changes.
1 Point
Which of the following terms means "a very large molecule made up of many
smaller molecules joined together"?
A. Macromolecule
B. Lipid
Ο Ο Ο
C. Carbohydrate
O D. Nucleic acid
SUBMIT
Answers
Answer:
A. Macromolecule
Explanation:
A macromolecule is commonly formed through polymerization which means the production of polymers. The polymers are usually formed when different monomers add up to form a bigger substance(polymer). Polymers are examples of macromolecules because they contain two or more monomers which has a lot of compounds embedded in them.
Macromolecules are very large molecule made up of many smaller molecules joined together and the other options such as carbohydrates, Lipid and nucleic are examples of macromolecules formed under suitable conditions.
the head of a phospholipid is made of an alcohol and
Answers
Answer:
The head of a phospholipid is made of an alcohol and glycerol group
The head of a phospholipid is made of an alcohol and phosphate group.
What is phospholipids?Phospholipids are a subclass of lipids that have two hydrophobic "tails" made of fatty acids connected by an alcohol residue. Their hydrophilic "head" contains a phosphate group (usually a glycerol molecule). Omega-3 fatty acids EPA and DHA are frequently incorporated into the phospholipid molecule of marine phospholipids. Simple organic compounds like serine, ethanolamine, or choline can modify the phosphate group. All cell membranes include phospholipids, which are an essential element. Due to their amphiphilic nature, they can form lipid bilayers. For several reasons, including higher bioavailability, decreased toxicity, and greater permeability across membranes, phospholipids have been frequently employed to make liposomal, ethosomal, and other nanoformulations of topical, oral, and parenteral medicines. In addition to mixed phospholipid chains with surfactant characteristics, liposomes may also include phospholipids that are phosphatidylcholine-enriched.Learn more about the Phospholipids with the help of the given link:
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How is good (stratospheric) ozone formed?
answer is b
Answers
Answer:
Explanation:
it is formed naturally through chemical reactions using solar ultraviolet radiation and oxygen molecules
What is something that exist but doesn’t have anything to do with science, law or rules, or religion
Answers
Answer:
does a table have anything to do with science, law, or religion? pretty sure tables exist.
Ariana walked into a damp, sealed-off cellar where she discovered a body that was covered in a waxy substance. What process MOST likely took place
when this body decomposed?
O A. adipocere
B.
mummification
O C. skeletonization
OD.
putrefaction
Answers
hope this helps:D
Which of the following statements is true?
Organisms in the Plantae kingdom do not have membrane-bound organelles.
True bacteria belong in the Protista kingdom.
Organisms in the Archae kingdom or multicellular eukaryotes.
Organisms in the Animalia kingdom do not have cell walls or chloroplasts.
Answers
Answer:
Organisms in the Animalia kingdom do not have cell walls or chloroplasts.
Explanation:
This is correct because only Plantae have cell walls and chloroplasts. There are some exceptions in Protists and Bacteria with Cell Walls and Chloroplasts, but no species in Animalia has either.
PLEASE HELP AND GET POINTS!!
Drag the phrase to indicate which fossil fuel it describes. A phrase may be used more than once. (2 points)
coal: Oil: Natural gas:
:: formed at at the bottom of swamps
oil
:: made mostly of methane
natural gas
::made mostly of hydrocarbons
:: sediment, rock, and water apply pressure and heat to plant remains
:: formed at the bottom of the ocean where sediment, rock, and water apply pressure and heat
⠀⠀
Answers
The correct phrase for the word is the following:
Coal: sediment, rock, and water apply pressure and heat to plant remains.
Oil: formed at the bottom of the ocean where sediment, rock, and water apply pressure and heat.
Natural gas: made mostly of methane.
What are natural gases?Natural gas, when extracted, can contain a range of elements and molecules other than methane. A natural gas well may contain water, ethane, butane, propane, pentanes, hydrogen sulfide, carbon dioxide, water vapor, and, on rare occasions, helium, and nitrogen.
Therefore, the correct options are coal: 3, Oil: 5, and Natural gas: 2.
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Answer:
Sediment, rock, and water apply pressure and heat to plant remains is how coal forms. Oil is formed at the bottom of the ocean where sediment, rock, and water apply pressure and heat. Natural gas is mostly made from methane.