What’s the correct answer answer asap for brainlist
Is it C?

Whats The Correct Answer Answer Asap For BrainlistIs It C?

Answers

Answer 1

The way in which a neuron goes from a negative charge to positive charge is that: C. an action potential opens the gate sodium channels stay behind, and floods the cell with positive ions.

What is a neuron?

In Science, a neuron can be defined as a nerve cell that is saddled with the responsibility of transmitting electrical signal (impulses) down an axon across a cellular membrane of the body of a living organism, especially through an action potential.

Generally speaking, the neuron comprises different parts and are of different types which include the following:

Cell bodyMyelinSensory neuronDendritesMotor neuronReceptor neuronAxonAction potential

What is an action potential?

An action potential simply refers to a sudden, fast change in electrical (voltage) potential with respect to the transmission of an impulse to a receptor, across a cellular membrane such as the following:

A nerve cellA muscle cell

In conclusion, a neuron changes from a negative charge to positive charge because a resting potential neuron has a negative charge while sodium ions have a positive charge.

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Related Questions

Fungi exist as single cells or as branching networks of multicellular filamentswith a very large surface area. What is the function of the filaments?A. ReproductionB. Nutrient absorptionC. Energy productionD. Photosynthesis

Answers

Micelium, which is formed by a number of filaments, has the main function of penetrating the substrate in search of food and nutrient. Moreover, it can suffer some modifications to form reproductive structures.

The correct option is: B. Nutrient absorption.

What is the function of the ozone layer?A. To absorb carbon dioxide.B. To trap infrared radiation.C. To block UV radiation.D. To recycle sulfur dioxide.

Answers

The correct answer is C. To block UV radiation. Ozone filters the majority of UV spectra, so it protects organisms from its effects.

What surface can only vacuum metal deposition be used on?

Porous surfaces

Non-porous surfaces

Metals

Fabrics

Answers

The surface that only vacuum metal deposition can  be used on is option  B: Non-porous surfaces.

What are Nonporous materials?

Nonporous materials are substances that do not permit the passage of liquid or air. Nonporous materials are those that are not porous, such as glass, plastic, metal, and varnished wood.

Note that  Vacuum lifting nonporous materials is much simpler than vacuum lifting porous surfaces, as the definition suggests. A proven method for creating latent fingerprints on non-porous surfaces is vacuum metal deposition (VMD).

Therefore, A variety of displays, such as flexible plastic packaging, plastic bottles, glass, and others, respond best to vacuum metal deposition (VMD).

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At what level of protein structure do amino acid chains twist and fold?a) Tertiaryb) primary c) secondary d) Quaternary

Answers

The primary structure occurs when the protein structure is only a chain of amino acids, with no folds or twists. Therefore, b) is incorrect.

This primary structure then twists folds in itself, creating the structure that's folded and held in shape by hydrogen bonds. That's the secondary structure, and whats is folded in it is the amino acids. Therefore, c) is the correct answer.

The tertiary structure is a three-dimensional structure, shaped by interactions between the R groups of the amino a cids. To form this structure, the entire secondary structure elements (not the amino acids) are folded together. Therefore, a) is also incorrect.

The quaternary structure is a closely pack arrangement of several protein chains, each with its own primary, secondary and tertiary structure. Therefore, d) is wrong as well.

PLS HELP FIND CONTOUR INTERVAL N ILL MARK BRANLIEST!!

Directions: Study the contour map below. Using the contour map and what you learned
from the lesson, complete the questions below. When your report is finished, submit it to
the Topographic Maps Lab dropbox for grading. This assignment is worth 20 points.

Answers

What’s the question(s)??

In order to maintain a high concentration of
potassium inside a cell (with a low
concentration outside) which of the following
must occur?
O passive transport
O active transport
O diffusion
O osmosis

Answers

Answer:

Passive transport does not require the cell to expend energy and involves a substance diffusing its concentration gradient across a membrane.

Sorry for the bad English, love from Vanuatu!

Explanation:

4. All enzymes have an optimal temperature at which they work as well as an optimal pH for their activity. Does this mean that enzymes only work at those specific temperatures and pH optimums? Briefly explain your answer using evidence from the unit that supports your answer.

Answers

Enzymes perform their functions within a specific temperature and pH range (which is specific for each enzyme in particular). In turn, within this range, there is a specific value at which they act in the most efficient way possible, which does not mean that they cannot on other values in the range. However, outside the limits of the range, the internal characteristic of enzymes can be affected and cause their denaturation, thus losing their capacity of action.

Explain what is meant by “dimorphic” and how this term applies to pathogenic fungi.

Answers

Dimorphism is the occurence of the existence of two forms, in the case of sexual dimorphism the existence of two distinct types of a individual. The dimorphism among fungi is the capacity to convert between two specific morphological forms, like hyphae and yeast, the Ascomycota phylum have dimorphic organism. The dimorphism in fungi can happen depending of environmental condictions or situations, like an yeast in cold temperatures turning into mold.

Help asap…

1. Where is the thalamus located?

A.The cerebellum
B.The cerebrum
C.The brain stem
D.The diencephalon

Answers

D. the diencephalon is where the thalamus is located

D.

The thalamus is a paired gray matter structure of the diencephalon located near the center of the brain. It is above the midbrain or mesencephalon, allowing for nerve fiber connections to the cerebral cortex in all directions — each thalamus connects to the other via the interthalamic adhesion.

Which of the following processes is not associated with sexual reproduction?OOOOmeiosisfertilizationbinary fissionrecombination

Answers

Of the following processes the one that is not associated with sexual reproduction is the binary fission, that is a asexual reproduction by a separation of an organism of the body into two new bodies.

Two black guinea pigs were mated and produced 29 black and 9 white offspring. What were the genotypes of the parent guinea pigs? What are the expected phenotypic and genotypic ratios of the offspring?

Answers

If the mating of 2 black guinea pigs produced 29 black and 9 white offspring, the genotypes of the parents would be heterozygous.

Expected phenotype ratio = 3:1 black to white

Expected genotypic ratio = 1 AA:2Aa:1aa

Monohybrid crossing

The mating of 2 black guinea pigs produced 29 black and 9 white offspring. The parents must be heterozygous.

Assuming the allele for the black trait is A while that of the white trait is a. The cross is between Aa and Aa.

    Aa    x    Aa

AA   Aa   Aa   aa

The black allele is assumed to be dominant over the white allele. Thus:

Phenotype ratio = 3:1 black to white.

The ratio of the offspring produced from the mating is 29 black to 9 white, which is roughly 3:1. Thus, the mating is between two heterozygous black individuals.

Expected phenotype ratio = 3:1 black to white

Expected genotypic ratio = 1 AA:2Aa:1aa

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When an animal is hungry it hunts for food. In this case, what is the stimulus?A. hungerB. hunting

Answers

And stimulus is a change in the organism or the environment that triggers a reaction, in this example, hunger causes the animal to hunt, so hunger would be the stimulus.

True or false? Having an autoimmune disease will eventually lead to death.Select one:TrueFalse

Answers

Answer: False

Explanation: Having an autoimmune disease will not necessarily lead to death, many of them have a treatment which allows the patient to maintain his/her quality of life.

What is the name of the southern part of South America?

Answers

Answer:

Patagonia is the southern psrt of south america.

Tierra del Fuego would be the answer

Evaluate the rate of cell division over time.

(This is for a project about cell division using gizmo for different diagrams and this is the final question needing to be answered in 3-5 sentences. all I have so far is that the rate goes up over time but dont know what else to put)

Answers

The rate of cell division over time is calculated as an average for the entire meristem by dividing it with the total cell flux. Total cell flux may be characterized as the number of cells in the meristem.

What is Cell division?

Cell division may be defined as a type of biological process through which a parental cell divides into two or more daughter cells. There are two types of cell division are there:

MitosisMeiosis.

According to the context of this question, the availability of the nutrient plays an active role in the process of cell division. It can increase the population of cells by doubling the rate of promoting growth and division of respective cells.

Therefore, the rate of cell division over time is calculated as an average for the entire meristem by dividing it with the total cell flux.

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The anatomy of spiders and insects is structurally identical.

Please select the best answer from the choices provided:

True
False

Answers

Answer:
False
Explanation:
Spiders are divided into two segments, the abdomen and the cephalothorax. However, insects are divided into three or more. Take note of an ant the next time you see one, it will be divided into three different segments.

I need help with this practice problem solving My questions for you are at the top

Answers

Hi. We just had a session with this same question is there any doubt left?

How many daughter cells are produced by the end of Mitosis?

A 1

B 2

C 3

D 4​

Answers

Answer:

it produces two (2) daughter cells

the answer is B) 2 because it simply splits

Which of the following is anenvironmental factor thatcould cause a mutation?A. psychological agentsB. irrelevant mutagensC. internal agentsD. biological mutagens

Answers

The correct answer is D. biological agents. Mistakes when DNA is replicated is a common biological source of mutations.

If a city
were a model for a cell,
would wastewater be more
likely part of endocytosis or
exocytosis? Explain.

Answers

If a city were a model for a cell, would wastewater be more likely part of endocytosis.

Briefing:

The process of engulfing an object or particle with the cell membrane and bringing it inside the cell is known as endocytosis. The membrane completely encloses the substance by folding it over.

What is an endocytosis ?

Endocytosis is the process by which cells take in foreign material by encasing it in their membrane. The two primary kinds of endocytosis are ocytosis and receptor-mediated endocytosis.

What is endocytosis transport?

Endocytosis is a term that refers to a variety of active transport processes that carry particles into cells by encasing it in vesicles made of plasma membranes (endo = internal, cytosis = transport mechanism).

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A serum amylase is diluted 1/100 with a result of 45.0 U/L. What is the patient's actual amylase result?

Answers

A serum amylase is diluted 1/100 with a result of 45.0 U/L. The patient's actual amylase result is 4500 U/L.

Serum- Serum generally refers to the transparent fraction of any biological fluid, whether it comes from an animal or even a plant. For instance, the fluid released by serous glands is known as mammal serous (or serosal) fluid. The serum in blood is a clear, pale yellow liquid that is separated from of the blood and thus is free of blood cells & clotting components.

Amylase- The primary job of amylases is to hydrolyze all glycosidic linkages in molecules of starch, turning them to simple sugars. The three primary kinds of amylase enzymes—alpha, beta, and gamma—each affect the carbohydrate molecule in a different way.

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Oxygen and carbon dioxide molecules pass freely through cell membranes. Which factor determines thedirection most molecules will pass through the cell membrane?A the strength of the covalent bonds holding the gas atoms in the molecules.B the concentration of the gas molecules on each side of the membrane.the ionic charge on the outer shell of the gas molecules.D the size of the gas molecules.

Answers

There are three factors that determine whether a molecule can pass through a cell membrane: concentration, charge and size. The greater the difference in concentration, the more rapid the diffusion. Large and heavier molecules more more slowly so they diffuse more slowly.

B. the concentration of the gas molecules on each side of the membrane.

What would be the result on daughter cells if a cell did not complete S phase properly?

Answers

Answer:

The growth of all cells is governed by the cell cycle, including cell division. Before a cell can divide, many processes must occur, including the proper duplication of the chromosomes. The cell cycle ensures that all of these processes occur normally, otherwise the cell ceases to progress and could die

What type of muscle typically forms a lining for various organs?A) Rough muscleB) Smooth muscleC) Cardiac muscleD) Skeletal muscle

Answers

The type of muscle that typically forms a lining for various organs is the smooth muscle. (option B)

how could the differences in these pictures be related to evolutionary fitness?

Answers

To be considered as fit for evolution processes, a species must be able to adapt in its environment and with capacity to reproduce sucessfully. Ambrosia, for example, is an invasive species. It has the abillty to promote accelerated evolution due to its adaptibility to its environment. Zea mays is an excellent species for genetic analysis. Quercus also has evolutionary potential because of its physiological characteristics.

A biologist found an asymmetrical organism. A part of the organism was injured, but it was able to repair itself through regeneration.

Because the organism is asymmetrical and it was able to regenerate, it’s probably
.....
, and belongs to the phylum
....
.

Answers

Answer: 1. The right answer is amphibian.

2.  The right answer is Mollusks.

Explanation:

1. Regenerating a limb is not possible in mammals, as in most vertebrates. But in amphibians such as the salamander yes!

This amphibian does it very well, capable of making tail, eye or snout too. For a very long time, scientists have been trying to understand this secret of the salamander, or that of the zebrafish, because the answer is scientifically interesting but also, of course, because we can hope to take advantage of it to imagine one day of medical treatment for injured members. Just over a year ago, an Australian team showed the role of macrophages, cells of the immune system.

2. Mollusks (Mollusca) are a branch of Lophotrochozoans animals. They are unsegmented animals, with bilateral symmetry sometimes altered. Their body usually consists of a head, a visceral mass, and a foot. The visceral mass is covered in whole or in part by a mantle, which secretes a calcareous shell. The nervous system includes a double periesophageal collar. The general cavity is more or less reduced to pericardium and nephridia.

What molecule fits easily through the cell membrane's phospholipid bilayer?

A Protein

B Oxygen

C Glucose (Sugar)

D Salt​

Answers

Answer:

B

Explanation:

since gases can pass through the phopholipids bilayer :)

Help assp…..
What are the divisions of the PNS? (Choose all that apply)

A.autonomic nervous system
B.reflex arc
C.parasympathetic nervous system
D.somatic nervous system

Answers

it is B C and D

Hope this helps

Reflex arc, parasympathetic nervous system and somatic nervous system are the divisions of peripheral nervous system.

What are the functions of peripheral nervous system?

The peripheral nervous system is one of two components that make up the nervous system of bilateral animals, with the other part being the central nervous system. The PNS consists of nerves and ganglia, which lie outside the brain and the spinal cord.

The peripheral nervous system refers to parts of the nervous system outside the brain and spinal cord. It includes the cranial nerves, spinal nerves and their roots and branches, peripheral nerves, and neuromuscular junctions.

The peripheral nervous system is divided into two main parts: Autonomic nervous system (ANS): Controls involuntary bodily functions and regulates glands.

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how is the rate of photosynthesis affected when leaf disks are exposed to different concentrations of bicarbonate solution?

Answers

The rate of photosynthesis affected when leaf disks are exposed to different concentrations of bicarbonate solution when the leaf disks immersed in the solution with the highest proportion (0.8% sodium bicarbonate solutions) rose in an average time of 4.91 minutes. This experiment demonstrates that the rate of photosynthesis can increase when there is more carbon dioxide present.

Photosynthesis- The method through which certain living animals and green plants convert sunlight into chemical energy. In green plants, visible light is gathered and utilized during photosynthesis to transform water, carbon dioxide, plus carbohydrates to make the glucose molecule. The photosynthesis occurs in two ways either PSI or PSII.

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When a gardener only plants seeds from the roses that are dark red, the process involved isSelect one:a.artificial variation.b.natural selection.c.artificial selection.

Answers

The process of selective breeding species, as the one we can see in the question's paragraph, is known as artificial selection, and it's a way to propagate a trait in the next generation of that species, in that case, it would be the dark red color of the roses.

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