Hormone release from the pituitary gland is controlled principally by chemicals known as _____ that originate from neurons located in the hypothalamus.

Answer:

a large class of mollusks which includes snails, slugs, whelks, and all terrestrial kinds.

Explanation:

hope that helps :D!

2) The mass after the reaction will also be 30 grams.

3) The mass of the product will be 149 grams.

The law of conservation of mass states that mass can neither be created nor destroyed during the course of a reaction. However, the mass can be converted to different forms during the course of the reaction.

Thus, if 30 grams of elements react, the mass after the reaction will remain 30 grams. Although the elements might have been converted to different forms.

If potassium reacts with chlorine to produce potassium chloride, the equation of the reaction will be:

 K + Cl ---> KCl

78 g of potassium = 78/39 = 2 moles

72 g of chlorine = 71/35.5 = 2 moles

2 moles of KCl = 2 x 74.5 = 149 grams.

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Answer:

(Question) What does the Law of Conservation of Mass state?

(Answer) The total mass of all of the reactants prior to a chemical reaction must equal the total mass of all the products after the reaction.

(Question) If the mass of elements before a chemical reaction is 30 grams, after the chemical reaction, the mass will be __.

(Answer) 30 grams

(Question) 78 g of potassium (K) react with 71 g of chlorine (Cl) to produce potassium chloride. According to the Law of Conservation of Mass, what is the mass of the product (2KCl)?

(Answer) 149 g

(Question) 2 grams of potassium (K) reacts with 5 grams of Oxygen (O). According to the Law of Conservation of Mass, how many grams of potassium oxide (K2O) will be produced?

(Answer) 7

(Question) Which of the following equations demonstrates the Law of Conservation of Mass?

(Answer) CH4+O2→C+2H2O

Explanation:

just finished the quick check UwU

In the structure of a cell membrane, the hydrophobic tails of the phospholipid bilayer are found in the interior of the cell membrane while the hydrophilic heads of the phospholipid bilayer are found in the exterior of the cell membrane.

All cells have a cell membrane, also known as a plasma membrane, which separates the interior of the cell from the external world.

A semipermeable phospholipid bilayer makes up the cell membrane. The movement of elements into and out of the cell is controlled by the cell membrane.

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Answer:

because reproduction is nature gifted and it is the way to increase population but living cells are the cells which keeps us alive

Reproduction differs from the other five characteristics of living cells because of the ability to replicate for continued existence.

The characteristics of living things include -MR NIGER D(acronym to remember)

Now Reproduction differs from all the others because while others are processes that organisms need for existence or survival,Reproduction on the other hand is the reason for the continuation of existence of species(creation of a copy).  

Without reproduction,  Living organisms would go extinct and  would not be able to replicate themselves .

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Fertilization, the fusion of male and female gametes, has a significant effect on genetic diversity within a species. Each gamete contributes half of the genetic material that will be passed down to the next generation. This process ensures that the offspring has a unique genetic makeup as compared to its parents.

The genes that determine the traits that are inherited from the parents are shuffled in different combinations during fertilization, resulting in different variations of traits in the offspring of a species.Fertilization increases the genetic diversity within a species because it produces offspring that have new gene combinations that were not present in the parents.

This combination of traits can create unique physical and behavioral characteristics that may give the offspring an advantage in adapting to their environment. This genetic variation plays a vital role in the evolutionary process. Some of the offspring will have variations that allow them to better adapt to their environment and have a higher chance of survival, whereas others may have traits that are not advantageous and may not survive to reproduce.

Fertilization plays a critical role in the production of genetically diverse offspring that can help a species to adapt and survive in a constantly changing environment.

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The process of crossing over during meiosis brings several advantages to reproduction:

1. Genetic Diversity: Crossing over promotes genetic diversity by shuffling genetic material between homologous chromosomes. It allows for the exchange of genetic information, resulting in new combinations of alleles.

This enhances genetic variation within a population, which is beneficial for species' adaptation and evolution.

2. Recombination of Alleles: Crossing over leads to the recombination of alleles, which can result in the formation of new gene combinations. This increases the potential for beneficial traits to be passed on to offspring and promotes the elimination of harmful genetic variations.

3. Repair of DNA Damage: Crossing over can also serve as a mechanism to repair DNA damage. By exchanging genetic material between homologous chromosomes, it allows damaged DNA to be replaced or repaired, reducing the risk of passing on faulty genetic information to offspring.

Regarding cytokinesis, the process of cell division, it differs between animal and plant cells. Animal cells typically undergo cytokinesis through the formation of a cleavage furrow, where the cell membrane pinches inward, eventually dividing the cytoplasm into two daughter cells.

However, this process is not suitable for plant cells due to their rigid cell walls.

Plant cells have cell walls made of cellulose that provide structural support and rigidity. During cytokinesis, a new cell wall needs to be formed to separate the two daughter cells. Instead of a cleavage furrow, plant cells undergo cytokinesis through a process called cell plate formation.

A cell plate forms at the equator of the dividing cell, gradually developing into a new cell wall that separates the daughter cells.

The method of cytokinesis in animal cells, which involves the formation of a cleavage furrow, would not work in plant cells because the rigid cell wall prevents the cell from undergoing the necessary pinching required for furrow formation.

Therefore, plant cells have evolved a unique mechanism of cytokinesis involving cell plate formation, which allows for the successful division and separation of the daughter cells.

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The evolution of the wing was an important event in the evolution of insects because it enabled them to gain the ability to fly, allowing them to escape predators, disperse more efficiently to new habitats, and adapt to new food sources.

With wings, insects had the ability to find and access resources in new and unique environments, as well as hide from competitors. The development of the wing gave insects a whole new range of opportunities, ultimately propelling them to success in terms of survival and reproduction. Insects have inhabited Earth for over 400 million years and have undergone numerous evolutionary adaptations to suit their environment. One of the most notable evolutionary adaptations is the development of wings, which has allowed insects to fly.

The evolution of wings was a critical event in the evolution of insects because it enabled them to fly, which allowed them to: Escape predators more efficiently, Disperse to new habitats, Adapt to old food sources, Hide from competitors. The ability to fly allowed insects to escape predators, disperse to new habitats, adapt to old food sources, and hide from competitors. Thus, the evolution of wings was an important event in the evolution of insects, and it helped them survive and adapt to different environments.

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Answer:

TAC GCA TTA ATA

and apparently my answer needs to be 20 charcters long

Answer:

head molecule, a phosphate molecule, a glycerol and two fatty acid chain

Answer:

molecule, a phosphate molecule, a glycerol and two fatty acid chain

Explanation:

Based on the cell theory, Organisms can have only one or many cells is true.

Cell theory is a scientific theory first formulated in the mid-nineteenth century, that living organisms are made up of cells, that they are the basic structural/organizational unit of all organisms, and that all cells come from pre-existing cells.

Everything that lives is made up of cells. The second part of cell theory was that new cells are formed from preexisting cells. The third part is that all cells are similar. Finally, cells are the most basic units of life.

Cells removed from tissues can survive independently for short periods of time. Nothing smaller than a cell has been found to be able to live independently. Experiments by Francesco Redi and Louis Pasteur have demonstrated that cells cannot grow in sealed and sterile conditions.

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Answer:

Scientists use waves to study the different layers of the earth. Usually, they use seismic waves, which are waves generated by earthquakes or nuclear-test explosions. The seismic waves are bent, sped up, or slowed down, or even reflected when they pass through the earth's layers.

Explanation: GOOD LUCK

Pure cultures are more likely to survive for extended periods of time when they are frozen via cryopreservation (freezing in liquid nitrogen at -196°C or in the gas phase above liquid nitrogen at -150°C).

Bacteria can be kept in good condition by freezing. In general, a culture will sustain viable cells for a longer period of time at a cooler storage temperature. Three types of freezers can be distinguished: cryogenic, ultralow, and laboratory.

Microorganisms are either cryopreserved at temperatures below freezing (-20°C, -80°C, or liquid nitrogen) or freeze dried for long-term preservation (lyophilized). Many different types of bacteria, algae, fungi, viruses, and protozoa can be preserved via cryopreservation.

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Answer:

Option B: Molecule 2

Explanation:

'Equilibrium of a molecule inside and outside a cell' means that there are similar numbers of that molecule on the inside and the outside. (hence 'equilibrium')

The number of each molecule is as follows:

Molecule 1 - Inside: 3, Outside: 5

Molecule 2 - Inside: 2, Outside: 3

Molecule 3 - Inside: 1, Outside: 5

Molecule 4 - Inside: 7, Outside: 4

Therefore the correct option is option b. 2

This is because the number of molecules inside the cell and outside the cell are the closest together, most similar out of all the molecules.

Hope this helped!

Answer: D. force applied to the foot by the ball.

Explanation:

The basic premise of force is that for every action, there is a reaction. The reaction force is the force that pushes back so to speak, against the action that you initiated.

This reaction force by acting against us, ensures that we move forward by pushing us.

When the player struck the ball, the ball pushed back against the player and this force that was applied to the foot by the ball was the reaction force.

Answer:

Continentality

#FreeMelvin

Answer:

In microbiology, there two types of test controls, the positive and the negative control.

The positive control is an experiment that involves the repetition of the test using working treatment.

It is a duplicate experiment which helps the analyst confirms the correctness of the results of a particular test...

I'm not sure about answer.

Generally speaking, the presence of animals in a terrarium can impact the water cycle by increasing the amount of water lost through transpiration and respiration, and by producing waste that can affect the water's chemistry. If changes were observed in the water cycle after adding animals, the causes would need to be determined through careful observation and analysis of the data collected.

Answer:

8 different temperatures

Explanation:

The annexed chart is required to answer this question and should have been provided.

From this chart, we can see that Abdul kept different dishes at 17, 18, 19, 20, 21, 22, 23 and 24 °C, and that at 22°C he experienced the highest number of germinated seeds.

Therefore, Abdul used 8 different temperatures.

Answer:

Germ cells can divide by mitosis to make more germ cells

Answer:

C. a decrease in the chromosome number in every generation.

Explanation:

hope it helps .

Answer:oxygen

Explanation: Plant photosynthesis require light ,CO2 , Water , light for photosynthesis

Formation of oxygen is the result of photosynthesis.

Answer: Photosynthesis is the process by which plants make their own food utilizing light, water, carbon dioxide, and temperature.

Explanation: Photosynthesis can be impacted by an unfavorable supply of the four factors mentioned above. As such, the following conditions can restrict the ability of a plant to perform photosynthesis:

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Answer:

Bladderwort > Grass carp > Great blue > American Alligator

for the food chain ^^

Answer:

C. Messages that offer a remedy for a person's fears tend to be effective.

Explanation:

The manner in which the message is presented. Presenting two sides of an argument makes the message seem more believable and persuasive than presenting just one side. Such an approach gives the message a sense of being impartial and factual. *Presenting a fear factor also may persuade people. For example, ads for different kinds of medicines present the dangers lurking around us as they offer a remedy.

Repetition. Repeated exposure to stimuli—like ads—is more likely to have favorable effects on attitudes than infrequent exposure. That’s why companies spend lots of money making sure their ads run again and again and why they have their logos and messages on race cars, buses, and billboards. The more often you see or hear a message, the more likely you are to have a positive attitude toward it.

Messages that offer a remedy for a person's fears tend to be effective is true for persuasive message. Therefore, option (C) is  correct.

To persuade someone means to move them emotionally or to motivate them to act in a certain way by presenting them with arguments that convince them to accept your viewpoint or act in the way you want them to. A persuasive message can be either spoken or written and is a form of communication that persuades the reader or listener to behave or act in a particular way.

The first step in convincing someone is to motivate them. If persuasion is a process, and the action of your audience (such as purchasing a product or service) is the goal, then motivating them to accept an argument or a series of positions leading to the decision that you want them to adopt is one way to help achieve that goal. If you want them to buy a product or service, for example, this would be an action.

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Answer:

25%

Explanation:

male                                

can roll tongue     -     cannot roll tongue

female

can roll tongue     -     cannot roll tongue

If they have a child, the possible combinations are:

1)

father's gene: can roll tongue

mother's gene: can roll tongue

RESULT = THE CHILD WILL BE ABLE TO ROLL HIS/HER TONGUE

2)

father's gene: can roll tongue

mother's gene: cannot roll tongue

RESULT = THE CHILD WILL BE ABLE TO ROLL HIS/HER TONGUE

3)

father's gene: cannot roll tongue

mother's gene: can roll tongue

RESULT = THE CHILD WILL BE ABLE TO ROLL HIS/HER TONGUE

4)

father's gene: cannot roll tongue

mother's gene: cannot roll tongue

RESULT = THE CHILD WILL NOT BE ABLE TO ROLL HIS/HER TONGUE

If Bobo Fett were a homozygous dominant (GG), crossing him with a homozygous recessive (gg) would have produced only heterozygous offspring (Gg), making all the puglets black.

On the other hand, if Bobo Fett is heterozygous (Gg), then the crossing with a homozygous recessive (gg) can produce black heterozygous puglets (Gg), and fawn puglets, that are homozygous recessive.

Given that the litter has both colors of puglets, Bobo Fett is heterozygous.

According to the research, the correct option is Relative dating. It involves age-dating fossils with known time periods grouped into four eras that represent distinct ages in the history of earth.

It consists of ordering fossils or events in a proper formation sequence from the oldest to the most modern, it tends to be used as a method for making chronologies, the ordering of events, fossils or rocks.

Since it does not give an exact or approximate date, they can only give us a fairly long period of time, or in their case a temporal ordering of the fossils.

Therefore, we can conclude that according to the research,  the correct option is Relative dating. It involves age-dating fossils with known time periods grouped into four eras that represent distinct ages in the history of earth.

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Answer: and also c

use of biological control, crop rotations and other techniques to manage weeds, insects and diseases

D) elimination of synthetic pesticides and fertilizers and other materials, such as hormones and antibiotics

E) yield is typically lower in an organic field than for a similar crop grown in a conventional or GM cropping system

the answer is actually c d and e not b

Explanation:

To write an inclusive hypothesis from investigation, it should be structured with Mechanism of Evolution, Hypothesis and Data.

Mechanism of Evolution

The mechanism of evolution that I think caused the increase in FQ resistance is natural selection. Natural selection is the process by which organisms that are better adapted to their environment are more likely to survive and reproduce. In this case, the bacteria that are resistant to FQ are more likely to survive and reproduce because they are not killed by the drug. This means that the population of bacteria will become more resistant to FQ over time.

Hypothesis

My hypothesis is that the increase in FQ resistance in the bacteria on the farm is due to natural selection. I believe that this is because the bacteria that are resistant to FQ are more likely to survive and reproduce, which means that the population of bacteria will become more resistant to FQ over time.

Data

The new data supports my hypothesis because it shows that the number of bacteria that are resistant to FQ has increased. The data also shows that the bacteria that are resistant to FQ are more likely to be found in the environment where the FQ is being used. This suggests that the bacteria are evolving to become resistant to the FQ.

How to Include the Data

You can include the data in your hypothesis by stating that the increase in FQ resistance is due to the fact that the bacteria that are resistant to FQ are more likely to survive and reproduce. You can also include the data by showing a graph of the number of bacteria that are resistant to FQ over time.

This is an example of how to include the data in the hypothesis:

I hypothesize that the increase in FQ resistance in the bacteria on the farm is due to natural selection. This is because the bacteria that are resistant to FQ are more likely to survive and reproduce, which means that the population of bacteria will become more resistant to FQ over time. The data supports this hypothesis because it shows that the number of bacteria that are resistant to FQ has increased. The data also shows that the bacteria that are resistant to FQ are more likely to be found in the environment where the FQ is being used. This suggests that the bacteria are evolving to become resistant to the FQ.

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