Which of the following is not a primary difference between mitosis and meiosis?

Question 27 options:

Meiosis produces four daughter cells and mitosis produces only two.


Mitosis produces haploid daughter cells, whereas meiosis produces diploid daughter cells.


Meiosis involves gametes, whereas mitosis occurs in somatic cells.


Meiosis has two phases and mitosis has only one phase.

Answer:

Conservation of energy, principle of physics according to which the energy of interacting bodies or particles in a closed system remains constant. The first kind of energy to be recognized was kinetic energy, or energy of motion. In certain particle collisions, called elastic, the sum of the kinetic energy of the particles before collision is equal to the sum of the kinetic energy.

Explanation:

The best describe properties of the gas are option "D" with no definite volume and no definite shape.

Thus, gases have no definite volume and no definite shape.

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Answer:

Once the solution cools, it now has more solute than it normally could have, and this is called a supersaturated solution. Once a solution becomes supersaturated, it wants to crystallize the excess solute. The solute will form crystals on any surface. In our case the surface is a string, and we are using a lifesaver candy as our “seed.”

Explanation:

Rock candy is a type of candy made by growing sugar crystals on a string or stick.

Super saturated solutions are often used to make rock candy because they contain more solute (sugar) than the solvent (water) can normally dissolve at a given temperature.

The first step in making rock candy is to heat water in a saucepan and add sugar to it. The sugar dissolves and forms a solution as the water heats up. After that, the solution is heated until it is completely saturated.

This occurs because the super saturated solution is unstable, and the excess solute (sugar) in the solution wants to escape and form crystals.

As time passes, more sugar dissolves from the solution and adheres to the crystals on the string or stick, causing them to grow larger.

The process is repeated until the crystals reach the desired size or until all of the excess solute has been removed from the solution.

Thus, preparing a super saturated solution of sugar and water, then dipping a string or stick into the solution and allowing the excess solute to come out of the solution and form crystals on the string or stick, is the process of making rock candy.

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Answer:

D

Explanation:

The sand moves from the storage over to the shore/coastline during The summer, therefore, it's D.

The two types of changes to Earth's surface are erosion of sand from the beach during summer and deposition of sand onto the beach during winter. Therefore, the correct statements are option B and option D.

The model likely shows the effects of seasonal changes on a beach.  During winter, waves and currents tend to deposit sand onto the beach, leading to a wider and more expansive shoreline, whereas during summer, waves and currents tend to erode the sand from the beach, leading to a narrower and steeper shoreline.

During the summer, high-energy waves erode the sand from the beach that lead to the formation of cliffs or other coastal landforms as the waves. and during the winter, lower-energy waves deposit sand onto the beach, that lead to the formation of sandbars or other coastal landforms along the shore.

The addition of sand during the winter months can have positive impacts on beach tourism, whereas in summer, negative impacts were seen on beach tourism.

Therefore, the two types of changes to Earth's surface are erosion of sand from the beach during summer and deposition of sand onto the beach during winter.

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Answer:

a. The growth of the algae

Explanation:

The researcher already knows that the over-growth of algae species results in excessive levels of a potentially dangerous toxin being released. But he/she wants to know what is causing this algae over-growth. The principal hypothesis is that the increase in water temperature is the cause of the unusual growth of this algal species. The researcher hypothesizes that the higher the temperature levels are, the more growth rate the algae will exhibit.

So in this experiment, the researcher can voluntarily modify the temperature in order to see how it changes the algae growth.

Before answering the question, let us remember a few concepts.

Now, let us analyze the options.

c. The concentration of toxin in the water. This is a dependent variable, which depends on the algae growth. The more algae present, the more toxins. However, this is not what the researcher is studying. He/She wants to know what is causing the increase in algae. So toxins, in this study, would be a secondary effect.

d. The different species of algae growing in the water . Probably this is also related to temperature and the biology of each algal species. However, the researcher is interested in a specific species of algae.

b. The temperature of the water. The temperature of THE water is directly involved in this experiment, but as the INDEPENDENT VARIABLE. The researcher will modify the temperature in order to know how it changes the algae growth. The researcher voluntarily modifies this variable, and this change provokes a change in the dependent variable.

a. The growth of the algae. The Growth of THE algae is the DEPENDENT VARIABLE. It CHANGES ACCORDING TO THE TEMPERATURE. So the change in the algae growth will depend on how the researcher modifies the temperature. We are referring to one specific algal species. This species is responsible for the toxins´ productions and is suggested to depend on temperature.

0% chance because blood type O isn't dominant over the others.

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Answer:

the twitch would be shorter

Explanation:

In muscle cells, the calcium (Ca2+) pump ATPase membrane transport proteins maintain a low cytosolic Ca2+ concentration in order to promote muscle contraction. Muscle relaxation occurs when the sarcoplasmic reticulum reabsorbs Ca2+ through the Ca2+-ATPase protein, thereby reducing intramuscular Ca2+ levels. In muscle contraction, intracellular Ca2+ levels are raised due to the release of Ca2+ from the sarcoplasmic reticulum (SR) via Ca2+-release channels. In consequence, it is expected that a specific drug that speeds up the action of (Ca2+) pump ATPase protein should shorten the contraction-relaxation cycle by increasing the velocity of muscle relaxation.

Answer:

  deoxyribonucleic acid   Or ( DNA)

Explanation:

DNA contains the genetic information for heredity in most organisms.

Have a wonderful Day!

Answer:

there's all the answers

Explanation:

Answer:

Jovian planets are larger, further from the sun, rotate faster, have more moons, have more rings, are less dense overall and have denser cores than terrestrial planets. Jovian planets also have gaseous atmospheres, with the main gases being hydrogen and helium.

Answer:

In the metabolism of carbohydrates, the liver helps to ensure that the level of sugar in your blood (blood glucose) stays constant. If your blood sugar levels increase, for example after a meal, the liver removes sugar from blood supplied by the portal vein and stores it in the form of glycogen.

Explanation:

Answer and explanation:

Epinephrine and norepinephrine are two hormones that are released from the adrenal medulla when the body is under stress (like during exercise, for example) as a part of the sympathetic response.

These hormones have many functions and they all work together to prepare the individual for a fight or flight response - like increasing heart rate and producing bronchodilatation. One of these functions is the rise of glucose levels in blood which is important for this substance to reach several tissues, like the skeletal muscle. The skeletal muscle will make use of this glucose to produce ATP and generate the required energy for muscle contraction through a process called glycolysis, which is key for the fight or flight response mentioned above.

When we exercise, glucose levels rise thanks to these hormones so the skeletal muscle can have enough energy to contract and move as we want. If the exercise is too intense or prolongued, glucose levels will drop and other fuels will be needed to sustain this activity, like stored glycogen and fat.

Answer:

Four total atoms can act as hydrogen-bond donors and acceptors in adenine excluding the location in the ring attached to the sugar in nucleotides and nucleic acids.

Explanation:

Hydrogen bond donors are those H atoms covalently to an electronegative atom such as Nitrogen or Oxygen whereas Hydrogen bond acceptors are electronegative atoms such as nitrogen and oxygen with at least one lone pair of electrons.

Oxygen and nitrogen are electronegative atoms found in nitrogenous bases such as adenine and guanine. These electronegative oxygen and nitrogen atoms with free lone pairs of electrons serve as potential hydrogen bond acceptors.

Hydrogen atoms attached to these electronegative atoms have strong partial positive charge since the electrons shared between them are more on the electronegative atoms, thus, they are potential hydrogen bond donors.

In an adenine molecule, there are four total atoms that can act as hydrogen-bond donors and acceptors in adenine excluding the location in the ring attached to the sugar in nucleotides and nucleic acids.

In the attachment below, there are three nitrogen atoms that are potential hydrogen bond acceptors denoted by A, and one nitrogen atom donor denoted by D.

Answer: D

Explanation:

When a photon hit photosystem II, light energy absorbed by one of the pigments in photosystem II, energy is carried from one pigment to another and reach down to the reaction center.

Answer:

It sets off a reaction that moves energy through the proteins of the thylakoids membrane.

Explanation:

Ape-x

Answer:

Coastal and open-water ecosystems

Explanation:

Organic material manufactured in estuarine communities is exported to coastal and open water ecosystems. This organic material is very beneficial to these ecosystems as it allows many nutrients to float in the changing tides. These nutrients are a very rich food source for coral reefs and kelp forests. Furthermore, these nutrients arrive in the ecosystem in the form of debris that can serve as breeding grounds for very important organisms in the region and that serve to maintain the food chain.

Answer:

The purpose of the indentation in the center of a red blood cell is: Increase the carrying capacity of the cell. The purpose of the indentation in the center of a red blood cell is: Increase the carrying capacity of the cell. This answer has been confirmed as correct and helpful

Answer:

Increase the carrying capacity of the cell.

Explanation:

Explanation:

mitosis results in two identical cells while meiosis results in four sex cells.

mitosis:prophase is short,meiosis: prophase is longer.

mitosis: daughter cells are genetically identical,meiosis:daughter cells are genetically different.

Answer:

meiosis and mitosis different by:

in mitosis Daughter cells are genetically identical

whereas in meiosis Daughter cells are genetically different

Answer:

if the ecosystem has a diverse range of species, it is more likely to stay safe against any virus that arises. That’s why biodiversity is important to ecosystems because it protects the environment from extreme conditions. Even if some species fail to survive, others will remain to sustain the ecosystem and the living things.

Explanation:

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25% no 75% yes.

Use a punnett square

Answer:

Please give the context of questions

Explanation:

it really helps people on this site answer these questions. Thanks

Answer:

i

Explanation:

t

Answer:

they possess different adaptive features

Answer:

A- ECOLOGY

Explanation:

Ecology is the study of how organisms interact with one another and with their physical environment.

The distribution and abundance of organisms on Earth is shaped by both biotic, living-organism-related, and abiotic, nonliving or physical, factors.

Ecology is studied at many levels, including organism, population, community, ecosystem, and biosphere.

Answer:

Repel, attract

Explanation:

Answer:

its a risky thing to do but i wouldnt say illegal .. like ciggarattes,, they bad bit not ILLEGAL

Explanation:

you dont know who really has your DNA sampled or what they doing with it .. thats the risky pary

BUT this a good question

Some fossils from the same species are found in different continents, across sea, these species could not swim so big distances, so it suggests that once the continents were joint and species could walk from America to Africa and other continents.

Grooves and rock deposits left by ancient glaciers are found today on different continents very close to the equator, it suggests that the glaciers either formed in the middle of the ocean and/or covered most of the Earth. Today glaciers only form on land and nearer the poles, it can be suggested that glaciers were centered over the southern land mass close to the South Pole and the continents moved to their present positions afterwards.

Polar wandering is the movement of the magnetic poles over Earth’s surface through geologic time. It suggests that plates move.

The Gondwana continents  glaciation could only have occurred if the continents were joined together since the centres of the glaciers would have been in the ocean if they were not. Also, the continents, such as South America and Africa are similar with jigsaw puzzle.

The plate tectonics theory states that the earth is solid outer crust, the lithosphere, is segregated into plates which further move over the asthenosphere, the melted upper portion of the mantle. Oceanic and continental plates come and joined together, spread apart, and interact at boundaries all over the planet.

Similar fossil plant and animals are segregated by oceans leading to the assumption that they must have lived in adjacent regions when they were alive. Finally, similar rock sequences and mountain ranges could be connected across oceans.

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Answer:

The frog has three respiratory surfaces on its body that it uses to exchange gas with the surroundings: the skin, in the lungs and on the lining of the mouth. While completely submerged all of the frog's repiration takes place through the skin.

Explanation:

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