13. Normal saline (salt) solution is isotonic to your body fluids, meaning that it has...

Answer:

Medulla.

Explanation:

The primary role of the medulla is regulating our involuntary functions that keeps us alive such as breathing, swallowing and heart rate. As part of the brain stem, it also helps transfer neural messages to and from the brain and spinal cord. It is located at the junction of the spinal cord and brain.

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The respiratory center is medulla oblongata. It is involved in minute to minute control breathing.

Brain stem is made up of pons and the medulla oblongata.  

The apneustic and  the pnuemotaxic  centers of pons work together to  just control rate of  the breathing.  In that the medulla just  sends the  signals to muscles that just  initiate the  inspiration and  the expiration and just  controls the  nonrespiratory  in the air movement of the  reflexes like coughing and sneezing.

The cerebellum is  well known to just  be the  part of neuronal circuitry  that is just activated in the respiratory challenges that are  such as  the hunger for  the air but are not been made to be involved in control of  the spontaneous and the  unobstructed breathing .

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Answer:

all of the above

Explanation:

Answer:

respiration

Explanation:

respiration uses carbon dioxide molecules to make oxygen and water.

Answer:

The final portein might not be for functional... the segment of the DNA made molecule where messager RNA synthesis begins called the

Answer:

posting my fren. D all

Explanation:

Excretion is a process in which metabolic waste is eliminated from an organism. In vertebrates this is primarily carried out by the lungs, kidneys, and skin. This is in contrast with secretion, where the substance may have specific tasks after leaving the cell. Excretion is an essential process in all forms of life. 

In simple terms, the process of eliminating or expelling waste matter.

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Excretion is a process in which metabolic waste is eliminated from an organism. In vertebrates this is primarily carried out by the lungs, kidneys, and skin. This is in contrast with secretion, where the substance may have specific tasks after leaving the cell. Excretion is an essential process in all forms of life.

heterozygous.

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A major misconception about natural selection is that this mechanism "gives organisms what they want or need so they can adapt to an environment". Why is this right or wrong? This is wrong because organisms can't will what they want or need.

Answer: Well, I know that this is later than usual but I believe that this is incorrect because...

Explanation: Not every organism can get what they need/want in an environment but they can give out genetic DNA within natural selection but they can't get the essentials for an adaptation of an environment.

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Explanation:

The stratum corneum, which is the outermost epidermal layer, consists of dead cells

Explanation:

spring tide, tide of maximal range, near the time of new and full moon when the Sun and Moon —i.e., aligned with the Earth. Conjunction is the time during new moon when the Sun and Moon lie on the same side of the Earth.

In classical conditioning, the involuntary response is seen, while operant conditioning is based upon the learning experience. An organism will perform more or less based on its experience with operant conditioning.

In classical conditioning, the stimulus is given and an involuntary response is observed. The Pavlov experiment on dogs is one example. He gave food to the dog and rang the bell at the same time for some days. After that, he only rang the bell, and the dog salivated without the food. Here, salvation is an involuntary response to the stimulus (bell ringing).

In operant conditioning, animals perform actions based on their experience. Example: A mouse is put in a box with an electric supply and food supply. When the mouse accidentally presses the electric switch, it gets an electric shock. This is negative reinforcement, and the mouse is less likely to perform the same function again. When it pushes the food lever, the food comes from the food box. This is positive reinforcement. The mouse is more likely to perform this.

Hence, in classical conditioning, the involuntary response is seen. Operant conditioning is based on learned experience.

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Answer:

an instance of reflecting especially : the return of light or sound waves from a surface. 2 : the production of an image by or as if by a mirror. Here is an example , A reflection is defined as a thought or writing about something that happened in the past, or what one sees when looking into a mirror or a body of water. What a girl sees in the mirror when she puts on makeup is an example of reflection.

Explanation: hope that helps

Answer:

it is an animal cell. jhhhhhh

Cancer cells can arise in a variety of ways, the most common, however, tends to be genetic mutations.

Genetic mutations can occur during the life of a cell due to outside factors such as:

That being said, the most common time for a genetic mutation to take place is during cellular division. During this time the DNA that encodes the cells is duplicated. Genetic mutations in this DNA sometimes cause the elimination of  programmed cell death.

Programmed cell death is what tells a cell when it should stop growing and dividing. This is a regulatory function designed to keep the number of cells at a balance, growing only when needed. As this cell multiplies, this produces an increasing number of cells that will not die. The accumulation of these cells is referred to as cancer.

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Answer:

the correct ones:

1. Organisms have changed over time and could continue to change in the future

2. Darwin's theory of evolution was influenced by ideas from others

4. Organisms evolved through natural selection.

the false one:

3. The theory states that organisms will remain the same throughout the history of Earth

Answer:

its occurs in the Littoral zone

Explanation:

Answer:

C. The demand for beef would decrease.

Explanation:

The demand for beef would be unaffected be the expected change in the demand for beef, ceteris paribus. The correct option is C.

Thus, Consumers might be more likely to pick vegetarian options over beef due to cost considerations.

As a result of recent technological advancements that have made vegetarian meals more affordable to manufacture.

All else being equal (ceteris paribus), this shift in consumer preferences brought on by the relative affordability of vegetarian meals is expected to lead to a decline in the demand for beef.

Thus, The demand for beef would be unaffected be the expected change in the demand for beef, ceteris paribus. The correct option is C.

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Answer:

variations between the sexes are smaller than variations within each sex

Explanation:

Answer:

consist of array of chlorophyll molecules. *** The absorb energy excited electrons to a higher energy level. ... *** As H+ diffuse through ATP synthase, down their concentration gradient, the enzyme uses the energy of the moving ions to ATP.

Explanation:

Chloroplasts make energy carriers such as NADPH in which the light energy is caught up. Together with carbon dioxide they are used to synthesis glucose during light reaction in photosynthesis.

The first series of events that start the process of photosynthesis require light and are referred to as light reactions or light-dependent reactions since they depend on light as their energy source.

Light energizes the electrons in the chlorophyll molecule as it reaches the chloroplast. These electrons accelerate to higher energy levels because they have taken in or caught that energy and are now carrying it. Excited electrons have high energy. Who wouldn't be thrilled to have the capacity to sustain life?

Chlorophyll is left at a loss when the excited electrons depart to take part in other reactions; eventually, they need to be replaced. In order to break water molecules during that replacement process, an enzyme complex and light are both necessary. Hence, energy carriers plays a significant role in light reaction.

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Answer:

Oxidative phosphorylation

Explanation:

Answer:

Cellular respiration uses oxygen. Comparisons below in explanation.

Explanation:

Plants do both photosynthesis and cellular respiration. They make their own food (photosynthesis) and break it down to make energy (cellular respiration). Cellular respiration uses oxygen, while photosynthesis doesn't (it is a product).

Photosynthesis has this as its general chemical equation:

[tex]6CO_2 +6H_2O[/tex] ⇒ [tex]C_6H_{12} O_6 + 6O_2[/tex]

Cellular respiration has this as its general chemical equation:

[tex]C_6H_{12} O_6 + 6O_2[/tex] ⇒ [tex]6CO_2 + 6H_2O[/tex]

As you can see, the raw materials of cellular respiration (glucose and oxygen) are the products of photosynthesis. The products of cellular respiration (carbon dioxide and water) are the raw materials used in photosynthesis.

Answer:

Declining biodiversity lowers an ecosystem's productivity (the amount of food energy that is converted into the biomass) and lowers the quality of the ecosystem's services (which often include maintaining the soil, purifying water that runs through it, and supplying food and shade, etc.).

Answer:

"When a species becomes extinct, they reduce the variety of animals, plants, or bird species from that ecosystem resulting in the extinction of the other species that were dependent on them. Different species are playing different roles in the ecosystem to maintain a balance of the world." Credits to outside sources that it won't let me say :(