1. The least reactive elements on the periodic table are the _____________ (high number of valence electrons)

2. What makes a reactive metal reactive?

3. What makes a nonreactive noble gas nonreactive?
These are all the questions I need help with (plzzz help mee)

Answers

Answer 1

Explanation:

1. the noble gases because they have a full valence shell

2.the amount of valence electrons

3. they have a full valence shell and dont need any more electrons


Related Questions

como se reproducen los guacimo?​

Answers

Answer:

Ola, tudo bem com vc?

Explanation:

Meu nome é Ana Kesia, e o seu?

Foi mal, Nn consegui responder!

True or false. Can you provide any evidence?
1. When species come into contact with closely related species, they interbreed and become one species again
2. Medium ground finches with relatively large beaks tend to have offspring with relatively large beaks
3.Birds with a beak type poorly shaped for the current environment are able to adapt by changing their beak types
4. Speciation, or the evolution of new species, in Galapagos finches results because natural selection favors different beak types on different islands.

Answers

False When species come into contact with closely related species, they interbreed and become one species again.

What process lead to the speciation of the Galapagos finches on the different islands?

All of them grew  from one progenitor species, which inhabitated the islands only a few million years ago.

This process, whereby species develop rapidly to use empty ecospace, is called as adaptive radiation.

Thus, its false, When species come into contact with closely related species, they interbreed and become one species again since its an example of evolution.

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Ariana says, “Did you know water is hard”? What do you think she means?

Answers

She means that the water has high, dissolved mineral content ,largely calcium and magnesium.

What is 14 and 15???

What is 14 and 15???

Answers

Answer:

#14. C and #15. A

Explanation:

Which cell has a nuclues

Answers

Answer:

eukaryotic cell

Explanation:

theirs many organelle found in that type of call

Answer: eukaryotes

Explanation: eukaryotes are advanced organisms and only advanced organisms can have a nucleus

PLEASE HELP Calculate the volume of the block using the formula

PLEASE HELP Calculate the volume of the block using the formula

Answers

Answer:

21.553125

Explanation:

You can round to whatever you feel, but this is the answer when you multiply 2.75 x 2.75 x 2.85

:D

Why is it important for organisms to have a scientific name ?

Answers

scientific names are important for organisms for several reasons as follows Precision and consistency in communication, Organization and classification of living organisms, Identification and study of organisms, Conservation and Biodiversity, Taxonomy and understanding evolutionary relationships, Facilitate research and communication among scientists.

Precision and consistency: Scientific names are unique and unambiguous, which means that there is no confusion about which organism is being referred to. This is particularly important when communicating across languages, cultures, and scientific disciplines.

Organization and Classification: Scientific names allow for the organization and classification of living organisms into a hierarchical system of groups, from the most general (kingdom) to the most specific (species).

Identification and study: Scientific names provide a way to identify and study organisms in a systematic way. For example, knowing the scientific name of an organism allows researchers to find information about its biology, ecology, and evolution.

Conservation and Biodiversity: The scientific name of an organism is linked to its place in the web of life, and therefore has a critical role in conservation and biodiversity studies.

Taxonomy: Binomial nomenclature is the foundation of taxonomy, the study of the classification and naming of living organisms. It is the method scientists use to identify, describe, and name new species, and to understand the evolutionary relationships among different organisms.

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If methylene blue was omitted from the acid-fast stain, non-acid-fast cells would be _______ at the end of the staining process.

Answers

If methylene blue was omitted from the acid-fast stain, non-acid-fast cells would not be stained at the end of the staining process. Methylene blue is a counterstain used in the acid-fast staining process to stain non-acid-fast cells.

Acid-fast staining is a differential staining technique used to differentiate acid-fast bacteria (e.g., Mycobacterium tuberculosis) from non-acid-fast bacteria (e.g., Staphylococcus aureus). In the acid-fast staining process, cells are first stained with a primary stain, such as carbol-fuchsin, which stains acid-fast bacteria red. Non-acid-fast cells are not stained by the primary stain. The cells are then decolorized using an acid-alcohol solution, which removes the primary stain from non-acid-fast cells but not from acid-fast cells. Finally, a counterstain, such as methylene blue, is applied to stain non-acid-fast cells blue. If methylene blue was omitted from the acid-fast stain, non-acid-fast cells would not be stained blue, making them difficult to distinguish from the background. This could lead to misinterpretation of the results, as non-acid-fast cells would not be visible under the microscope. Therefore, it is essential to include methylene blue in the acid-fast staining process to ensure that all cells are visible and correctly identified.

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3. How many membranes does the
nucleus have?

Answers

Answer:

2 membrans

Explanation:

The answer is 2 hopes this helps

In what year(s) did a series of earthquakes hit New Madrid, Missouri?

Answers

Earthquakes are meterological events where the tectonit plates are in disturbances. Between 1811 to 1812 a serie of three large earthquakes happened in New Madrid, Missouri (New Madrid Fault) (from december 1811 to februeary of 1812).

how is digestion in yeasts, molds, and mushrooms similar

Answers

Digestion in yeasts, molds, and mushrooms, collectively known as fungi, is similar in several ways. These organisms obtain nutrients through a process called extracellular digestion, which occurs outside their cells.

Some similarities in digestion among yeasts, molds, and mushrooms:

Extracellular Enzymes: Fungi secrete enzymes, such as proteases, lipases, and carbohydrases, into their environment. These enzymes break down complex organic molecules into smaller, soluble compounds that can be absorbed and utilized by the fungi for nutrition.

Absorption: Once the extracellular enzymes break down complex substances, the fungi absorb the resulting smaller molecules through their cell walls and membranes. These molecules then enter the fungal cells and are utilized for energy production and growth.

Saprophytic Lifestyle: Yeasts, molds, and mushrooms are often saprophytic, meaning they obtain nutrients by decomposing dead organic matter. They secrete enzymes onto the surrounding organic material, break it down, and absorb the released nutrients.

Mycelium: Fungi have a branching network of thread-like structures called mycelium. The mycelium provides a large surface area for absorption and digestion of nutrients.

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Blood carries oxygen from your lungs to the rest of your body. As you inhale, high oxygen concentration is taken up by your lungs. The lungs have a higher oxygen concentration than the blood. Oxygen will diffuse out of the lungs and into your blood.

Is this Passive or Active Transport?

Answers

Diffusion is a passive process. Passive transport.

How can a change in genotype affect the phenotype?

Answers

Answer:

The genome in which a genotype is found can affect the expression of that genotype, and the environment can affect the phenotype. Genes can also be pleitropic when they affect more than one trait. The single base pair mutation that lead to sickle cell anemia is a classic example.

Answer: population

Explanation: An organism's genotype is the set of genes that it carries. ... However, since an organism's genotype generally affects its phenotype, the phenotypes that make up the population are also likely to change. For example, differences in the genotypes can produce different phenotypes.

What is the name for all physical material in the universe?
A. Elements
B. Matter
C. Living
D. Carbon

Answers

Answer:B. Matter

Explanation:

Elements  are made of matter.

Living is nonsensical in this sense.

Carbon is an element which itself is made of matter.

Hello!

Answer:

The correct answer is B. Matter.

_________________________________________________

Explanation:

Matter is basically something that occupies physical space and has mass. It is every around us--atoms, compounds, etc. are all made up of it. There are three states of matter: solid, liquid and gas.

compared to the concentration of the proteasome, the concentration of the substrate is larger by what factor

Answers

The factor by which the concentration of the substrate is larger compared to the concentration of the proteasome depends on the specific reaction and conditions involved. The concentration of the substrate is expected to be higher than that of the proteasome since the substrate is the molecule being targeted and broken down by the proteasome.

To answer this question, we need to compare the concentration of the proteasome to the concentration of the substrate. Since we don't have specific values, let's represent the concentration of the proteasome as P and the concentration of the substrate as S.

Step 1: Determine the relationship between the concentrations (P and S).

The question states that the concentration of the substrate (S) is larger than the concentration of the proteasome (P).

Step 2: Find the factor by which S is larger than P.

Let F represent the factor by which the substrate concentration is larger than the proteasome concentration. We can express this relationship as: S = P × F

Step 3: Solve for the factor F.

To find the value of F, we would need specific concentration values for P and S. Since we don't have these values, we can't calculate the exact factor (F).

In summary, to determine the factor by which the concentration of the substrate is larger than the concentration of the proteasome, you would need to know the specific concentrations of both substances and use the formula S = P × F.

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“Some viruses are programmed to reproduce by identifying bacteria, killing them, and assembling new viruses.viruses do not eat the bacteria and do not grow after they are made. Viruses are not alive. Explain two reasons why.”

Some viruses are programmed to reproduce by identifying bacteria, killing them, and assembling new viruses.viruses

Answers

There are two main reasons why viruses are not considered to be alive:

1. Viruses cannot reproduce on their own: Unlike living organisms, viruses cannot reproduce on their own. They need to infect a host cell and hijack the host cell's machinery in order to replicate themselves. Once they have infected a host cell, they use the cell's energy and resources to create new copies of themselves. However, they do not have the ability to reproduce outside of a host cell.

2. Viruses do not have the ability to carry out metabolic processes: Living organisms carry out metabolic processes, such as respiration and digestion, in order to obtain energy and nutrients. Viruses do not have the ability to carry out these processes on their own. They rely entirely on the host cell to provide them with energy and nutrients. In fact, viruses do not even have the necessary machinery to carry out these processes. They lack the organelles, such as mitochondria, that are responsible for energy production in living cells.

4. A tick has caused a dog to be diagnosed with Lyme disease. What type of relationship
would this suggest that exists between the dog and tick?
A. Mutualism
B. Commensalism
C. Parasitism
D. Predation

Answers

Answer:

Parasitism

Explanation:

The tick is the only one that benefits and the dog is harmed.

What do birds use their beaks for and why would there be differences between species

Answers

The main use of a for beaks are for feeding. other uses are for digging out seeds and some are used pulling out prey.

The birds use their beaks for use of a for beaks are for feeding other uses are for digging out seeds and some are used pulling out prey.

Why the beaks of birds are different?

The beaks are different from the birds that will only eat nectar and the birds that eat fruit are the nectar eating birds have longer and thinner beaks. The beaks of the fruit and seed eating birds have have shorter and thicker beaks.

Survival of the fittest is the phrase used for the Darwin theory of natural selection. This suggest that individuals having better phenotypic traits are likely to survive.

Among the options given, birds that have longer beaks is the correct option. This is a phenotypic trait which will help the birds to obtain food (worms) by penetrating the deep ground.

Based on this scenario it the statement that represents this is that "Having a long, narrow beak is an inherited trait that is genetically passed down." An Inherited trait is a specific feature or characteristic of an organism that has been passed on to it in its genes through its ancestors.

Therefore, The birds use their beaks for use of a for beaks are for feeding other uses are for digging out seeds and some are used pulling out prey.

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Orange trees planted in a grove or orchard would most likely fall in which category of population distribution?

a.even

b.random

c.clumped

d. density

Answers

Answer:

A) Even

Explanation:

got it right on edge :)

Orange trees planted in a grove or orchard would most likely fall in the even category of population distribution. The correct option is a.

What is population distribution?

Population distribution is how the population of something, plants, animals, or humans is distributed in specific areas. It specifies where people live or where they are not living.

There are three types of population distribution:

Uniform dispersion - In this distribution, the population is uniformly or evenly distributed in the areas. Even distribution comes under this distribution.Random dispersion - there are no predictable patterns in this dispersion. They are randomly present anywhere.Clumped dispersion - This distribution shows the bunch or group of population is areas then there is no population, and then there is a a bunch of population in another place.

Thus, the correct option is a. even.

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Darren is studying the effect of increased carbon dioxide on plant growth. He sets up four tanks (terrariums). Each tank has the same type of plant, same potting soil, same amount of water, same amount of sunlight. The first tank has normal levels of Carbon dioxide. The second tank has 25% more carbon dioxide, the third 50% more and the fourth 100% more. Darren records plant height after each week for a four week period. What are the : IV, DV constant, control

Answers

Answer:

Explanation:

Oh

Your colleague has collected some sediments from a mangrove swamp and then grows the bacteria from those sediments on an agar plate to determine the concentration of bacteria in those sediments.

a) Describe why the resulting bacterial concentration is an underestimate of the actual concentration of bacteria in those sediments.

b) State what method they should have used instead to more accurately determine the bacterial concentration.

Answers

From the question;

1) It may have been underestimated sue to visibility bias

2)  The method of direct microscopic count or direct cell count can be employed.

What about the bacteria?

On the particular agar medium employed, not all bacteria contained in the sediments may be viable or able to grow. Some bacteria might no longer be culturable or in a dormant state, which limits their capacity to grow into colonies on the agar plate. This viability bias may lead to the underestimate of the bacterial population by excluding a sizable fraction of it.

A direct microscopic count entails using a microscope to directly observe and count bacterial cells. Without the bias imposed by culture-based approaches, it provides a more thorough count of bacterial cells, including viable and non-viable cells.

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Domain
Kingdom
Species
.
Bacteria
Bacteria
Archaea
Archaea

Answers

Answer:

Eukaryea

Explanation:

Scientists want to permanently change a type of wheat so that it will improve
survival during a drought. Which is the best way to improve these plants?
A. Scientists manipulate the cells as they undergo mitosis.
B. Scientists manipulate the cells as they undergo meiosis.
C. Scientists manipulate the cells as they undergo budding.
D. Scientists manipulate the cells as they undergo binary fission.

Answers

Answer:

The best way to improve the survival of wheat during a drought is to manipulate the cells as they undergo mitosis.

Mitosis is the process of cell division that results in the formation of two identical daughter cells. During mitosis, the genetic material is duplicated and then divided equally between the two daughter cells. By manipulating the cells during mitosis, scientists can introduce genetic changes that will be present in all of the cells in the resulting plant.

In contrast, meiosis is the process of cell division that results in the formation of haploid cells with half the number of chromosomes as the original cell. Meiosis is used in sexual reproduction to produce gametes (such as sperm and egg cells) that have genetic diversity. Therefore, manipulating cells during meiosis is not likely to result in the desired changes to improve the survival of wheat during a drought.

Budding is a type of asexual reproduction where a new individual develops from an outgrowth or bud on the parent. Binary fission is the process of cell division in which a single cell divides into two identical daughter cells. These processes are not relevant to improving the survival of wheat during a drought.

Therefore, option A - Scientists manipulate the cells as they undergo mitosis - is the best way to improve the plants.

Proteins are chains of amino acids bonded together. Which is the correct sequence for making proteins?

Answers

Answer:

i wish  i could help

Explanation:

iwe have that

x + (2x + 40) + (3x – 50) = 15,002

Reorder the terms:

(x+2x+3x)+(40-50)=15,002

Combine like terms:

x+2x+3x=6x

40-50=-10

6x-10=15,002

adds +10 both sides

6x-10+10=15,002+10

Combine like terms:

-10+10=0

15,002+10=15,012

6x=15,012

we have that

x + (2x + 40) + (3x – 50) = 15,002

Reorder the terms:

(x+2x+3x)+(40-50)=15,002

Combine like terms:

x+2x+3x=6x

40-50=-10

6x-10=15,002

adds +10 both sides

6x-10+10=15,002+10

Combine like terms:

-10+10=0

15,002+10=15,012

6x=15,012

we have that

x + (2x + 40) + (3x – 50) = 15,002

Reorder the terms:

(x+2x+3x)+(40-50)=15,002

Combine like terms:

x+2x+3x=6x

40-50=-10

6x-10=15,002

adds +10 both sides

6x-10+10=15,002+10

Combine like terms:

-10+10=0

15,002+10=15,012

6x=15,012

we have that

x + (2x + 40) + (3x – 50) = 15,002

Reorder the terms:

(x+2x+3x)+(40-50)=15,002

Combine like terms:

x+2x+3x=6x

40-50=-10

6x-10=15,002

adds +10 both sides

6x-10+10=15,002+10

Combine like terms:

-10+10=0

15,002+10=15,012

6x=15,012

can yall help me this is honors bio and im very tired please help ​

can yall help me this is honors bio and im very tired please help

Answers

Answer:

A.

Explanation:

Lipids are a class of macromolecules that are nonpolar and hydrophobic in nature. Major types include fats and oils, waxes....

Triglycerides are a type of fat (lipid) found in your blood.

Phospholipids, also known as phosphatides, are a class of lipids

Hope this helps

Explain the anatomical concepts associated with hematology. Summarize this module's key points in 5-6 sentences.

Answers

The anatomical concepts associated with hematology involve the study of the structures and functions of the blood and its components within the body such as blood cells, blood vessels, lymphatic system, and bone marrow.

Hematology focuses on the different types of blood cells, including red blood cells (erythrocytes), white blood cells (leukocytes), and platelets (thrombocytes). These cells are formed in the bone marrow and play crucial roles in carrying oxygen, fighting infections, and promoting blood clotting. Understanding the anatomy of blood vessels is essential in hematology. Arteries carry oxygenated blood away from the heart, while veins return deoxygenated blood back to the heart and capillaries are tiny vessels where oxygen and nutrients are exchanged with tissues.

Hematology is also connected to the lymphatic system, which includes lymph nodes, lymphatic vessels, and lymphoid organs. These structures help filter the blood, remove waste and toxins, and maintain the body's immune response. The bone marrow is responsible for producing blood cells. Red bone marrow produces red and white blood cells, while yellow bone marrow stores fat. Understanding these anatomical concepts is vital in hematology as it allows for the diagnosis, treatment, and prevention of blood-related disorders and diseases. So therefore the anatomical concepts associated with hematology involve the study of the structures and functions of the blood and its components within the body such as blood cells, blood vessels, lymphatic system, and bone marrow.

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During a race, the body temperature of a runner increases. The runner responds by perspiring (sweating), which lowers body temperature. This process is an example of a __________.

Answers

The runner responds by perspiring (sweating), which lowers body temperature, it is an example of a negative feedback mechanism. This is very common in nature.

Negative feedback mechanism

A negative feedback mechanism is a class of self-regulating system that biological systems use to maintain their homeostasis (internal equilibrium).

In this mechanism (negative feedback), an increased output inhibits the generation of a given outcome by the own biological system.

For example, humans inhibit the production of insulin hormone when its concentration is high.

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Acetylcholine stimulates cells in the pancreas to secrete enzymes that aid in digestion of sugars. it does so by activating gpcrs that stimulate the membrane-bound enzyme phospholipase c (plc). plc then triggers which of these downstream events? an elevation of cyclic amp concentrations, which leads to the activation of protein kinase a (pka) an elevation of ca2 concentrations, which leads to the activation of protein kinase c (pkc) an elevation of inositol trisphosphate (ip3) concentrations, which leads to the activation of protein kinase 3 (pk3) an elevation of cyclic gmp concentrations, which leads to the activation of protein kinase g (pkg) an elevation of diacylglycerol (dag) concentrations, which leads to the activation of protein kinase d (pkd)

Answers

Acetylcholine stimulates cells in the pancreas to secrete enzymes that aid in digestion of sugars. It does so by activating GPCR, which triggers the enzyme phospholipase C (PLC).

PLC then triggers a series of downstream events. One such event is an elevation of cyclic AMP concentrations, which leads to the activation of protein kinase A (PKA). An increase in Ca2 concentrations triggers the activation of protein kinase C (PKC).

The elevation of inositol trisphosphate (IP3) concentrations leads to the activation of protein kinase 3 (PK3). An elevation of cyclic GMP concentrations leads to the activation of Protein Kinase G (PKG).

Lastly, an elevation of diacylglycerol (DAG) concentrations triggers the activation of Protein Kinase D (PKD). Through this cascade of events, acetylcholine is able to elicit the secretion of enzymes that aid in digestion of sugars.

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Question 9 of 10
The photo shows nervous tissue.
What is the main function of nervous tissue?
A. To cover the body to protect other cells
B. To transport materials and defend the body
C. To send signals to control the body
D. To contract to cause movement in the body

Answers

Answer:

Explanation:

To send signals to control the body

Nerve cells: Transport signals around body

Tissue: Made of many cells

The main function of nervous tissue is C. To send signals to control the body. Nervous tissue is made up of specialized cells called neurons that are capable of transmitting electrical and chemical signals throughout the body. These signals allow the nervous system to control and coordinate various body functions, including movement, sensation, and thought processes. In addition to neurons, nervous tissue also contains support cells called glial cells that help to protect and nourish the neurons. Overall, nervous tissue plays a critical role in the functioning of the nervous system and the control of bodily functions.

Which levels of classification are used to form a binomial nomenclature for an organism?

Answers

Answer:

Carolus Linnaeus was a botanist who lived in the 1700's and devised a system of naming organisms known as binomial nomenclature. It is a two-name system using the categories of genus and species to precisely name an organism. The genus and species name is called an organism's scientific name. I hope that this helps you.

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