What is the difference

A tiny electric message moves through a long part of a brain cell called the axon. When a message goes to the end of a nerve, it sends chemicals called neurotransmitters. These substances move through a tiny gap and attach to special parts of another nerve cell's outer covering.

Messages called impulses are sent from one nerve cell to another through a connection called a synapse. This process is called synaptic transmission. Synapses are connections between nerve cells or between nerve cells and other cells, like muscles or glands.

The neuron sending the signal is called the presynaptic neuron. When a signal travels down a nerve cell, it causes little sacs called vesicles to release chemicals called neurotransmitters.

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The statement 'the various toxins produced by s. aureus are invasive factors that allow the bacteria to spread, thereby avoiding host defenses' is false.

In the field of science, toxins can be described as such compounds that are secreted by a microorganism in order to kill other organisms nd to spread its growth.

Toxins that are produced by S.aureus are made in order for the bacteria to spread itself rather than as a toxic agent for other organisms. As no toxicity is produced, the host would not act as a defense against A.aureus and it would be able to spread itself easily. Such a defensive mechanism promotes the growth of an organism.

The question can correctly be written as:

The various toxins produced by s. aureus are invasive factors that allow the bacteria to spread, thereby avoiding host defenses. true or false

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Answer:

C. Prey

Explanation:

Organisms like plants produce their own nutrients via photosynthesis, so they do not rely on prey. Hope this helps! Have a great day! :)

Answer: Competition: stinkbugs and geometrid moths Commensalism: guava and eucalyptus trees Parasitism: geometrid moths

Explanation: take the test :3

Amniocentesis and chorionic villus sampling (CVS) are prenatal diagnostic techniques used to find fetal abnormalities.

You could be offered a CVS test when you are pregnant to determine whether your unborn child has a chromosomal or genetic disorder like Down's syndrome, Edwards syndrome, or Patau's syndrome.

A needle is inserted through your skin into your womb and guided to the placenta using the image from the ultrasound scan as guidance. With the syringe that is attached to the needle, a little sample of cells are taken from the chorionic villi. Once the sample has been removed, the needle is removed.

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Answer:

c

Explanation:

decomposers decompose dead things

Answer:

D

Explanation:

This would assist in proving there were ice ages because it shows that cold adapted animals were living before, in what is now warm environments.

Answer:

I need the points :((((((

Explanation:

The molar mass of iron(III) chloride is 162.204 g/mol.

The molar mass of the chemical FeCI3 is  162.20 g/mol. Molar mass is the mass of one mole of a substance.

The molar mass represents the mass of one mole of a substance. It is measured in grams, per mole (g/mol). The mole, which serves as a unit of measurement helps in counting the number of atoms, molecules or ions, in a substance.

In the case of FeCl3, we have one iron atom (Fe) and three chlorine atoms (Cl).

The atomic mass of iron is 55.845 g/mol while the atomic mass of chlorine is 35.453 g/mol.

Thus to calculate the mass of FeCl3 we add up the products of the masses and their respective quantities:

Molar mass of FeCl3 = (1 x 55.845 g/mol) + (3 x 35.453 g/mol) = 162.20 g/mol

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Answer: THE ANSWER IS FALSE.

Answer:

NaOH

Explanation:

Since no acid-base reaction equations are provided for each substance, we will have to use logic to find the answer. We can immediately eliminate vinegar and lemon juice, which are both acids, as acidic substances generally taste sour. Next, we can apply the idea of most acids having a +H in their chemical formula while most bases have a -OH in their chemical formula. Because HCl has a +H in its formula, it is an acid, and since NaOH has a -OH in its formula, NaOH is a base.

Answer:

True

Explanation:

Hope this helps! Have a great day everyone! :)

Answer: T

Explanation:

Answer:

A. Hydrogen

Explanation:

Answer:

your answer is going to be a

Explanation:

biology sofmore year threw senior year is very much exsplainign cells and reproduction

The metric system is a system of measurement that is utilized throughout the world. The fundamental units of the metric system are meter, gram, and liter. In this system, prefixes are used to represent measurements that are bigger or smaller than the fundamental units.

The prefix “kilo-,” for example, indicates a measurement that is a thousand times bigger than the fundamental unit. Lab Intro - The Metric System Exercise A - Measurement or Distance The metric system is used to measure length or distance.

The standard unit of length in the metric system is the meter, which is represented by the symbol “m.” The metric system is used to measure distances or lengths that vary from millimeters (mm) to kilometers (km).In order to determine measurements in the metric system, the fundamental units are combined with prefixes.

For example, one centimeter (cm) is equal to 1/100th of a meter, while one millimeter (mm) is equal to 1/1000th of a meter. One kilometer (km), on the other hand, is equal to a thousand meters (m).

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Answer:

7,40

Explanation:

Answer:

a polar covalent bond

Explanation:

The shared electrons spend more time near the oxygen nucleus, giving it a small negative charge, than they spend near the hydrogen nuclei, giving these molecules a small positive charge

Producers, such as plants, rely on light from the sun to carry out the process of photosynthesis, which is how they produce their own food. During photosynthesis, the plants use energy from the sun to convert carbon dioxide and water into glucose (sugar), which is then used as a source of energy for the plant. This process is the foundation of most food chains and ecosystems, and it is ultimately powered by the sun's energy.

Consumers, such as animals, rely on producers for their source of food. The energy from the sun that is captured by the producers is then passed on to the consumers through the food chain. Without sunlight, producers would not be able to carry out photosynthesis, which would ultimately lead to a collapse in the food chain and ecosystem.

Therefore, In addition to food, sunlight also plays a role in regulating the behavior of many animals, including their sleeping patterns and migration habits. Sunlight is also important for the production of Vitamin D, which is essential for many biological processes in humans and animals.

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If you have created a double-stranded RNA to knock down gene Z, it targets gene Z mRNA among the possibilities provided.

Single-stranded RNAs of the type known as messenger RNA, or mRNA, are used to make proteins. mRNA is created during transcription from a DNA template. It was named mRNA by Jacob and Monad.

A null mutation is a variation in the genetic sequence that can result in the total deletion of the protein encoded by the gene by impairing either the transcription of the gene's product into RNA or the translation of the RNA sequence into protein.

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The link between the sphere's and the cylinder's volumes, Two-thirds of the cylinder's volume is occupied by the sphere.

For straightforward geometric objects like spheres, cylinders, or rectangular prisms, surface area and volume calculations are simple. Surface area or volume also alter as a shape's dimensions, such as its radius, height, or length, change.

The area occupied by a sample of material is in fact a measure of its volume. By adding up an object's length, width, and height, one may calculate its volume. We assert that since each of the measurements is linear, the units for volume are derived from the units for length.

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Dietary carbohydrate restriction is not a good idea because it can result in decreased energy, nutrient deficiencies, and disruption of the gut microbiome. It can also increase the risk of chronic disease.

A fad diet usually has some or all of the following characteristics: It guarantees a quick fix. Promotes 'magic' foods or food combinations. Food can the ability to alter body chemistry.

Some promote specific foods, such as cabbage, probiotic foods, or raw foods. Diets that are high in fat, low in carbohydrates, or high in protein may also be included. They eliminate important nutrient sources, such as grains. Alternatively, certain ingredients, such as lectins, are eliminated.

When you follow a fad diet, you pay more attention to what you eat. However, the majority of the weight you lose is likely to be water and lean muscle, rather than body fat. It is also difficult to meet the requirements of a strict diet. Fad diets frequently restrict your food options or force you to eat the same foods over and over.

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Answer:

against the concentration gradient

Explanation:

Answer:

Picture is upside down and is very blurry sorry!

The pairs of arrows show the direction of the stress that causes the normal fault is Arrow A and Arrow E

A fault is a fracture that results from the crust's brittle deformation. It is a displacement of the earth's crust where a significant movement has taken place. A rock must exhibit brittle behaviour in response to applied stress for a defect to form. Stress is the amount of force applied to a certain area of rock. A reversal fault is what the diagram represents. A reversal fault occurs when the hanging wall has migrated upward and the footwall has moved downward.

The direction of stress in the rock body must be compressional for a reversal fault to develop. A compressional stress is one in which the stresses are directed in the same direction. The tension forces a displacement after acting to hold the rock together. The tensional stress produced by arrows B and D results in the elongation of the crust. They appear to be separating the rocks. They have typical flaws that come with them. Thus, Arrow A and Arrow E are correct.

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Arranging the letters in the figure with the correct answers about ocean acidification, we have:

A: Sulfur dioxide

B: condensation of chemicals in the atmosphere

C: acid precipitation

D: acidic water

Since the beginning of the Industrial Revolution, the concentration of this gas has inexorably increased due to the burning of fossil fuels, thus, an overload of chemicals in the atmosphere began to occur, resulting in acid rains.

In this case, we can say that this acidification will initially occur because of the factories that release sulfur dioxide, then there is a condensation of chemical materials in the atmosphere that causes acid precipitation and the acidification of the seas.

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Answer:

46 chromosomes

Explanation:

Humans have 23 pairs of chromosomes, Which is a total of 46 chromosomes.

Answer:

Humans have 23 pairs of chromosomes, for a total of 46 chromosomes.Aug 15, 2020

Explanation:

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Populations in Hardy-Weinberg equilibrium express the same allelic and genotypic frequencies through generations. Number of individuals expressing each phenotype: 63 sheep S^AS^A, 84 sheep S^AS^B, 28 sheep S^BS^B.

The Hardy-Weinberg equilibrium theory states that allelic and genotypic frequencies in populations that is in equilibrium remain the same through generations. No evolutive forces are acting on these populations, so no evolution occurs.

Assuming a diallelic gene,

Allelic frequencies

Genotypic frequencies

The addition of the allelic frequencies equals 1

p + q = 1.

The sum of genotypic frequencies equals 1

p² + 2pq + q² = 1

In the exposed example,

Alleles          Frequencies

Genotypes

We need to get the number of animals expressing each genotype and phenotype. To do it, we just need to use allelic frequencies and calculate  genotypic frequencies (p², 2pq, and q²), and then multiply these values by the total number of animals (N = 175).

Genotypic and Phenotypic frequencies

F(S^AS^A) = p² = 0.6² = 0.36

F(S^AS^B) = 2pq = 2 x 0.6 x 0.4 = 0.48

F(S^BS^B) = q² = 0.4² = 0.16

Number of individuals expressing each phenotype

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Complete question

A single gene with two alleles control variation in haemoglobin type in sheep. There are three different phenotypes corresponding to genotypes

In a flock of 175 sheep the frequency of allele S^A was found to be 0.6 and frequency of allele S^B WAS found to be 0.4.

Using the hardy weinberg equation calculate the number of sheep with each phenotypes in the flock show your working

The primary role of phospholipids is to form cell membranes. Phospholipids are a type of lipid molecule that consists of a hydrophilic head and a hydrophobic tail. In the cell membrane, the hydrophilic head faces the aqueous environment, while the hydrophobic tail is oriented towards the interior of the membrane. This creates a selectively permeable barrier that allows certain molecules to pass through the membrane while preventing others from doing so. Phospholipids play a crucial role in maintaining the structure and function of cell membranes.