Where does mitosis occur in animal cells.
Answers
Answer:
?
Explanation:
?
Related Questions
Which of the following effects is least likely to be as a result of deforestation?
A: A greater risk of flooding.
B: An increase in biodiversity.
C: An increase in soil erosion.
D: An increase in the level of carbon dioxide in the atmosphere.
Answers
The effect that is least likely to be a result of deforestation is an increase in biodiversity. That is option B.
Deforestation is a practice that encourages the clearing of forests for other purposes such as agricultural croplands, urbanization, or mining activities.
This practice needs to be avoided because:
posses a greater risk of flooding as deforestation erodes the soil.they provide a protective cover for the soil against the action of wind and rain thereby preventing soil erosion.the level of carbon dioxide in the atmosphere decreases as it is cleared by trees during photosynthesis.But deforestation leads to a decrease in biodiversity instead of an increase.
Deforestation can lead to biodiversity loss. This occurs when animal species that live in the trees no longer have their habitat, cannot relocate, and therefore become extinct.
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whats the order from biggest to smallest ecosystem,population,community,organism
Answers
Answer:
Ecosystem, community, population, Organism
Explanation:
Organism is a single species
Population is a group of the same species
Community is a group of different populations
Ecosystem is where communities live
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What is the name of all the cell contents between the nucleus and the cell membrane.
Answers
Cytoplasm is present between the nucleus and the cell membrane.
What seperates the cell contents or cytoplasm from the extracellular fluid ?The plasma membrane seperates the inner environment of a cell from the extracellular fluid. It is composed of a fluid phospholipid bilayer.
Cytoplasm ,the semifluid substance of a cell that is external to the nuclear membrane and internal to the cellular membrane, sometimes described as the non nuclear content of protoplasm. In eukaryotes ,the cytoplasm contains all of the organelles.
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2. The process by which DNA makes a copy is called
Answers
The process by which DNA makes a copy is called Replication
What are the basic units of a chemical element called?
A. Solids
B. Atoms
C. Molecules
D. Gases
Answers
Answer:
B) they are called atoms
atoms are the basic unit of elements
molecules are made up of atoms
which muscle is used when giving your grandmother a kiss on the cheek?
Answers
Sternocleidomastoid
Explanation:
Help asap no rocky p
Answers
Answer:
It c
Explanation:
can make me the brainliest pls
Mecayla harvests oysters from the shallow waters of the marsh near her home. She eats the shellfish almost every day. Her brother Kendis dislikes oysters but eats local predator fish from the river three times a week. Recent water quality tests show moderate levels of heavy metals in the river and marsh. What is the most likely result of this pollutant on Mecayla and Kendis if they maintain the same diet?
Mecayla will get sick first because she eats oysters every day.
Kendis will get sick first because of less bioaccumulation.
Biomagnification will cause Kendis to become ill first.
Bioaccumulation will cause Mecayla to become ill first.
Answers
Answer: Biomagnification will cause Kendis to become ill first.
Explanation: This answer is correct because Kendis is eating the predator fish and Mecayla is only eating some oysters from the shallow water. Biomagnification causes the concentration of toxins, specifically in the predator fish, therefore Kendis will become ill first.
Mecayla harvests oysters from the shallow waters of the marsh near her home. Biomagnification will cause Kendis to become ill first.
What is the ocean?The existence of life on our planet is due to the oceans. Today, more than 230,000 marine species call the sea their home. Life began in the water.
Climate and temperature on Earth are governed by the oceans. They regulate temperatures and play a critical role in precipitation formation. The world's five oceans have a salinity that is around 3.5 percent on average.
The Mediterranean, the Atlantic, and the Bay of Bengal, on the other hand, have higher saline levels.
Therefore, Mecayla harvests oysters from the shallow waters of the marsh near her home. Biomagnification will cause Kendis to become ill first.
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EARTH SCIENCE PLEASE HELP!! WILL MAKE BRAINLIEST
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search it up to make sure
in your own words, what is the definition for Plasmalemma?
Answers
Answer:
This is a plasmatic membrane (cell membrane) that bounds a cell.
Answer: a very thin membrane, composed of lipids and protein, that surrounds the cytoplasm of a cell and controls the passage of substances into and out of the cell.
Explanation:
Which of the following is an example of a non contact force
Answers
Answer:
Gravity, Electrostatic force, Magnetic force
Explanation:
A non-contact force is a force that is applied to an object by another object without contact. Gravity, electrostatic force, and magnetic force all don't need two objects to be touching in order for them to work.
On the other hand, an example of a contact force is friction, because it can only occur if two objects are touching. If you want to tell the difference between a contact and non-contact force, just ask yourself if it can occur if the two objects are not touching. If it can occur while two objects aren't touching, it is non-contact, and if it can't, it is contact.
All the options given describe a force that involves contact except for the force exerted by magnets. Thus, the correct option is C.
Magnetic force is the force exerted by magnets. It can be described as the effect exerted on a charged particle due to the magnetic field of the other particle.
It is a consequence of the electromagnetic force, which is caused due to the movement of electrically charged particles.
Two objects that are oppositely charged will have a magnetic force of attraction, whereas two objects that have the same charge will have a magnetic force of repulsion.
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Your question is incomplete. The full question probably might be:
Which of the following is an example of a non-contact force?
(a) The force exerted by us to lift a bucket
(b) push a stationary car
(c) The force exerted by magnets
(d) Force due to friction
The testes are male reproductive organs that produce and store _______, which is the male gamete containing half of the DNA in somatic cells. The typically 28-day process of egg release from the ovaries and, if fertilization does not occur, release from the body, is known as the _______ cycle. If two eggs are released and fertilized by two different sperm, then ________ twins will occur. If a hormone operates by entering a cell's nucleus and altering the expression of its DNA, then it is classified as a/n _______ hormone. Once sperm cells are mixed with seminal fluid to provide protection and nutrition, this mixture is known as _______. The bulbourethral and _______ glands play an important role in providing additional fluids to semen production. The first phases of a new zygote's growth through mitosis occur in the _______. The ________ germ layer will eventually develop into the skin and nervous system. A fetus growing in the uterus does not eat food or drink water. Instead, important nutrients, antibodies, and molecules pass from the mother through the _______. Make a list, or write a short paragraph, that explains the major stages of pregnancy after fertilization, through childbirth. Provide as much detail as possible.
Answers
Answer:sperm
menstrual
fraternal
steroidal
semen
prostate
fallopian tube
ectoderm
placenta
After fertilization of an egg by sperm in the fallopian tubes, a blastocyst forms and implants on the uterus wall. These cells then begin to differentiate. During gastrulation, the three main germ layers form (endo, meso, and ectoderms). During neurulation, the notochord and neural tube form. The neural tube must close to avoid birth defects or conditions. The amniotic sac forms, and the placenta forms to provide a link from the mother to the fetus through the umbilical cord. During months 4-6, bones replace cartilage and organs develop. In months 7-9 the fetus matures its lungs and central nervous system. Finally, oxytocin triggers childbirth, when uterine contractions push the baby from the vagina.
Explanation:
Answer:
sperm
menstrual
fraternal
steroidal
semen
prostate
fallopian tube
ectoderm
placenta
After fertilization of an egg by sperm in the fallopian tubes, a blastocyst forms and implants on the uterus wall. These cells then begin to differentiate. During gastrulation, the three main germ layers form (endo, meso, and ectoderms). During neurulation, the notochord and neural tube form. The neural tube must close to avoid birth defects or conditions. The amniotic sac forms, and the placenta forms to provide a link from the mother to the fetus through the umbilical cord. During months 4-6, bones replace cartilage and organs develop. In months 7-9 the fetus matures its lungs and central nervous system. Finally, oxytocin triggers childbirth, when uterine contractions push the baby from the vagina.
Explanation:
Zebras and other grazers band together when grazing. which type of behavior is this?
Answers
The behavior of zebras and other grazers banding together while grazing indicates their social behavior to protect themselves and their group mates from predators.
Grazing: It is a process in which herbivores roam from one place to another in search of grass, small plants, etc which are the main source of food for them. It involves forage search, selection of forage, and eating the selected forage. Different animals differ in the type and method of searching and eating forage. This different grazing behavior makes them different from one another.
Although, one common thing which is observed in these grazing animals is the practice of grazing in bands or groups. This is generally noticed in the area where they have more danger from predators so they practice this banding method as a protective measure because predators find it difficult to attack groups and they get less chance to kill a lone individual.
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Zooplankton populations in Lake Erie and the Hudson River have declined by up to 70% since the arrival of zebra mussels because ________.
a) waste from zebra mussels promotes bacterial growth that kills zooplankton
b) zebra mussels prey exclusively on zooplankton
c) zebra mussels block sunlight penetration into lakes and thus prevent zooplankton from photosynthesizing
d) zebra mussels carry a parasite that kills zooplankton
e) zebra mussels feed on phytoplankton, which zooplankton need as a food source
Answers
Zooplankton populations in Lake Erie and the Hudson River have declined by up to 70% since the arrival of zebra mussels because e) zebra mussels feed on phytoplankton, which zooplankton need as a food source.Zooplankton is an important food source for fish and other aquatic organisms. Zebra mussels are small aquatic animals that have been introduced into many freshwater lakes and rivers.
They are filter feeders that consume large quantities of phytoplankton and suspended particles, which deprives zooplankton of food sources. The decline of zooplankton in Lake Erie and the Hudson River by up to 70% since the arrival of zebra mussels is because these mussels feed on phytoplankton that the zooplankton requires as a food source.
Zebra mussels could cause ecosystem damage, water quality issues, and economic harm to businesses that depend on water supply. They can also clog water intake pipes, impede boat propellers, and reduce water quality by increasing algae growth, which can lead to beach closures. The decline in zooplankton populations also reduces the amount of food available for fish and other aquatic organisms, resulting in a significant decline in the overall health of freshwater ecosystems.
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Name of the scientist that proved all cells come from other cells.
Answers
Answer:
Rudolf Virchow
Explanation:
He is the name of the scientist that proved all cells come from other cells.
2.why is it essential that the primary stain and the counterstain be of contrasting colours?
Answers
The primary stain and counterstain used in microscopy must be of contrasting colors because they highlight different structures within a specimen.
The primary stain is used to selectively stain the structures of interest, while the counterstain is used to stain the background. The contrasting colors allow the stained structures to be easily distinguished from the background, improving the visibility and clarity of the image.
For example, if the primary stain is a basic dye that stains acidic structures, such as DNA or RNA, a counterstain such as eosin, which stains basic structures, is used. The basic structures will appear pink while the acidic structures will appear blue. Without the contrasting colors, it would be difficult to distinguish the structures from one another and from the background.
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Evolution is the process by which populations of organisms can change over time. How is directional selection related to evolution?
Answers
Answer:
Directional selection occurs when individuals with traits on one side of the mean in their population survive better or reproduce more than those on the other. It has been demonstrated many times in natural populations, using both observational and experimental approaches.
what happens to the ice over time?
Answers
Answer:
it melted ig
Explanation:
how is a ocean wave formed?
Answers
Answer:
Waves are most commonly caused by wind. Wind-driven waves, or surface waves, are created by the friction between wind and surface water. As wind blows across the surface of the ocean or a lake, the continual disturbance creates a wave crest.
Most of the matter of the universe exists in which state?
Answers
Answer:
plasma state
Explanation:
Matter in the plasma state has variable volume and shape, but as well as neutral atoms, it contains a significant number of ions and electrons, both of which can move around freely. Plasma is the most common form of visible matter in the universe.
What is found in the space between the two pleural layers? a. heart b. lung c. pleural fluid d. thoracic wall e. visceral pleura
Answers
The pleural fluid is found between the space between the two pleural layers, option C.
What is the role of pleural fluid?Pleural fluid is a thin layer of liquid that is found between the two pleural layers (the parietal pleura and the visceral pleura) in the pleural cavity of the lung.
This fluid acts as a lubricant and helps to reduce friction between the two pleural layers as they move against each other during breathing. In healthy individuals, the amount of pleural fluid is usually small and does not cause any problems.
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What is true about low-level radioactive waste?
Select all that apply.
Most states have a low-level radioactive waste disposal site.
Low-level radioactive materials may be incinerated before disposal so they take up less space.
Supplies used in nuclear medicine are considered low-level waste.
Materials that have not been contaminated by radioactive materials are still considered low-level waste if they have been exposed to neutron radiation.
Answers
Answer:
Materials that have not been contaminated by radioactive materials are still considered low-level waste if they have been exposed to neutron radiation.
Scavengers living in the coral reef scavengers living in the coral reef clean up algae and decayed matter. Thus, correct answer is B.
What are the ways to control starfish populations?The Harlequin shrimp is a native of salt water marine environment. It is found near the coral reefs in the Pacific and Indian Oceans. It drives nutrition by eating starfish. They are very skilled in obtaining the starfish as a prey. They firstly eat the tube feet and soft tissues and then the central disk is feeded upon.
They are also called Hymenocera picta scientifically and are majorly habitats to the coral of the Pacific and the Indian oceans. They belong to the phylum Arthropoda and are invertebrates.
They are two inches in length and specifically eats starfishes. Their feeding mechanism enables the population of the starfish to be balanced as starfishes are the primary food source for them.
Therefore, Scavengers living in the coral reef scavengers living in the coral reef clean up algae and decayed matter. Thus, correct answer is B.
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Why is sodium acetate added during DNA extraction procedure?
A.
to break open the cells
B.
to precipitate DNA
C.
to dissolve lipid membranes
D.
to dissolve DNA
E.
to denature cellular proteins
Answers
Answer:
Polar bodies serve to eliminate one half of the diploid chromosome set produced by meiotic division in the egg, leaving behind a haploid cell.
Explanation:
Answer:
E. to denature cellular proteins for plato / edmentum
Explanation:
my notes say -
Protease enzyme, sodium acetate, or a phenol/chloroform mixture is added to cleave cellular proteins.
Frankie was selected as the commencement speaker for this year’s graduation and experiencing imposter syndrome. To help overcome their imposter syndrome, frankie begins to engage in positive self-talk. Before frankie practices the speech, they now say that they are an amazing speaker and have a lot of great ideas to share. What practice is frankie engaging to overcome imposter syndrome?.
Answers
Impostor syndrome is a psychological condition in which a person feels like a fraud and that they are not as skilled as other people think they are.
What is imposter syndrome?Imposter syndrome, to put it simply, is the sensation of being a fraud in some aspect of your life, notwithstanding any success you may have had there.
There is no recognized medical diagnosis for imposter syndrome. Instead, the phrase is most often used to refer specifically to achievement and intelligence, while it also has associations with social environment and perfectionism. In the 1970s, psychologists Suzanna Imes and Pauline Rose Clance coined this phrase.
Therefore, Impostor syndrome is a psychological condition in which a person feels like a fraud and that they are not as skilled as other people think they are.
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How can scientists help invasive species
Answers
Answer:
Three complementary strategies are essential to counter invasive species in US forests: (1) prevention of harmful new introductions by identifying and impeding pathways for invasive species introduction and spread, (2) detection and eradication of invaders that elude prevention.
put "Reproductive Isolation" in a sentence
Answers
Answer:
Reinforcement favoring reproductive isolation is required for both parapatric and sympatric speciation.
Explanation:
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what sections of the alimentary canal would carry secretions from only one set of accessory organs? explain.
Answers
The duodenum section of the alimentary canal would carry secretions from only one set of accessory organs.
The accessory organs that contribute to the digestive process include the liver, gallbladder, and pancreas. These organs release secretions such as bile and pancreatic enzymes into the duodenum, which is the first part of the small intestine. This section of the alimentary canal receives secretions from only one set of accessory organs, as the bile duct and pancreatic duct join together to form the hepatopancreatic duct, which then empties into the duodenum.
The remaining parts of the alimentary canal, including the esophagus, stomach, and large intestine, do not receive secretions from the accessory organs directly. Instead, they receive secretions from other organs such as the salivary glands, gastric glands, and intestinal glands. Therefore, the duodenum is the only section of the alimentary canal that carries secretions from only one set of accessory organs.
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is the average global temperature rising? What is your evidence?
Answers
Answer:
Obviously
Explanation:
ICEBERGS ARE MELTING!!!
Which of the proteins below is(are) NOT made on the membrane-bound ribosomes of the RER?
A
Option A: peripheral proteins of the inner surface of the plasma membrane
B
Option B: soluble lysosomal proteins
C
Option C: vacuolar enzymes
D
Option D: proteins of the extracellular matrix
E
Option E: all of the choices are correct
Answers
The proteins that are not made on the membrane-bound ribosomes of the RER are proteins of the extracellular matrix (Option D).
What is the rough endoplasmic reticulum (RER)?The endoplasmic reticulum is a network of intracellular membranes involved in protein and lipid metabolism, calcium storage, and drug detoxification. The endoplasmic reticulum may be divided into the rough endoplasmic reticulum (RER), which is studded with ribosomes, and the smooth endoplasmic reticulum (SER), which is not studded with ribosomes.
The rough endoplasmic reticulum (RER) synthesizes proteins that will be transported out of the cell or to the plasma membrane, whereas the smooth endoplasmic reticulum (SER) synthesizes lipids and phospholipids that will be utilized by the cell or incorporated into the plasma membrane. The SER also contains enzymes that assist with the detoxification of certain medications and poisons.
Thus, the correct option is D.
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A group of Cal State LA students Conducted a seed growth experiment in which they controlled the pH levels of the soil and the number of days it took for the seeds to germinate. They tested for a functional relationship between pH levels and the number of days it took to germinate at 5% level f significance.
They obtained an F-ratio = 9.55, and an F critical= 10.13.
Write a conclusion for this test. Do not just say "Reject" or "Do Not Reject". Your conclusion must say something about pH levels in soil and the number of days it takes to germinate.
Answers
Not rejected, the pH levels of soil does not have an effect on the germination of seeds.
Given the following data:
F-ratio = 9.55F critical= 10.13At 5% level of significance, the null hypothesis is rejected when the obtained F-value is greater than the critical F-value.
Otherwise, it is not rejected.
As F-ratio is less than the F-critical, we can conclude that there is no significant effect of pH levels of soil on the number of days it takes to germinate.
This means that the pH levels of soil does not have an effect on the germination of seeds.
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