Covalent bonds between nonmetals, ionic bonds between metals and nonmetals, and metallic bonds between metals are the three types of bonds that typically form.
Ionic bonding between metals do they exist? Only between metals and nonmetals may ionic bonding develop. This is due to the fact that nonmetals "desire" to gain electrons while metals "want" to give up electrons. To liberate an atom's valence electrons and create a positive ion, energy is required.Covalent bonds are those created when two atoms share electrons in order to achieve their closest configuration to that of a noble gas. Normally, it forms between two non-metals.A metal and a non-metal combine to form an ionic connection. Non-metals(-ve ion) are "stronger" than metals(+ve ion) and are highly good at stealing electrons from metals. The ionic connection is created by the attraction of these two opposing ions.Both their melting and boiling points are high. In the solid state, they are electrically conductive.To Learn more About Covalent bonds, Refer:
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if mycorrhizae did not exist, there would be fewer infectious diseases we would not have antibiotics like penicillin there would not be any mushroom on your pizza a lot of trees would die
If mycorrhizae did not exist, a lot of trees would die due to its benefits to the plant body.
What are mycorrhizae?Mycorrhizae is a symbiotic association between the roots of plants and fungi. The major role of this fungus is to enhance nutrient and water uptake by the plant by exploiting a larger volume of soil. Mycorrhizae has many types and different plants have different types of mycorrhiza. Many plants living under difficult circumstances, wouldn't survive at all without the presence of mycorrhizae. The mycorrhizae absorb nutrients such as phosphorus and magnesium from the soil. It also brings nutrients directly to the plant roots. They also exchange the nutrients they have collected for sugar. Produce more healthy plants, increase plant strength and survival at seeding and also increase yields and quality of the crop.
So we can conclude that If mycorrhizae are not present in the atmosphere, a lot of trees would die because it is present in the roots of trees and help in nutrient uptake.
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What happens to this enzyme when the pH rises above 11?
What pH rises above 11, the enzyme no longer functions. That is option A.
What is an enzyme?An enzyme is defined as a biological protein that has the ability to increase the rate of a chemical reaction but remains unchanged at the end of the reaction.
The factors that affects an enzyme include the following:
Concentration of Enzyme.Concentration of Substrate.Effect of Temperature.Effect of pH.Effect of Activators.Enzymes mainly work in pH scale of 7.4. Some enzymes which are acidic enzymes work on acidic pH which is 1 to 6 while some enzymes which are basic enzymes work in basic pH such as 8 to 14.
From the graph given, the enzyme functions optimally at pH of 7 but denatures as the pH increases to 11.
Therefore, the enzyme would stop catalysing the reaction as the pH rises to 11.
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during exercise, the body makes certain systems work harder in order to
During exercise, the body makes certain systems work harder in order to gain more oxygen and fuel for muscles.
After exercise , your body fuses together damaged muscle fibers to create new muscle protein strands, or myofibrils, as part of a biological process. To produce muscular hypertrophy, these repaired myofibrils thicken and multiply (growth). The majority of beginners will start to notice their muscles growing after eight weeks, while more seasoned lifters will start to notice changes after three to four weeks. With the appropriate combination of strength exercise and nutrition, the majority of people grow one to two pounds of lean muscle per month. muscle development will happen after exercise muscular tension, muscular deterioration, and metabolic stress (Schoenfeld 2010). muscular tension Most experts agree that the most crucial element in muscular development is the tension placed on muscles during resistance training. Overload promotes growth instead of muscle "burn," which inhibits it.
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what are pros and cons of being a single-celled organism
Pros of a single-called organism is they are much simpler structures than a multicellular organism. Cons they do not live as long as multicellular organisms because there is only one cell to complete all life functions.
One of the advantages of a single-called organism when compared to a multicellular organism is they are much simpler structures than a multicellular organism.
Disadvantage includes they do not live as long as multicellular organisms because there is only one cell to complete all life functions. Usually need to live in water or moisture because they can dry out quickly. They must also have a food-rich environment.
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What catabolic reaction is occurring in this cycle?
A. photosynthesis
B. cellular respiration
C. absorption of sunlight
D. conversion of sunlight
Catabolic reaction that is occurring in the cycle is :
D) Conversion of sunlight.
Large molecules are broken down into smaller ones in a catabolic reaction. Plants are autotrophs, which implies that they produce their own food. With the help of photosynthesis, they transform water, sunlight, and carbon dioxide into oxygen, and simple sugars.
Chloroplasts convert sun's light energy into sugars that can be used by cells later on . Plants contain a molecule called chlorophyll, and the chlorophyll is what absorbs the sunlight. Red and blue light is absorbed whereas green is reflected. That's why plants appear green to our eyes.
Process in which light energy is converted to chemical energy in the form of sugars is photosynthesis. In a process run by light energy, glucose molecules are obtained from water and carbon dioxide and oxygen is given as a byproduct.
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drag the group 1 labels (pink) to indicate which type of interaction occurs between each pair of species. based on those interactions, drag the group 2 labels (blue) to indicate the population changes knight predicted for each species in the two different treatments. labels can be used once, more than once, or not at all.
The drag of the group 1 labels (pink) to indicate which type of interaction occurs between each pair of species. based on those interactions is given below.
a. predation
b. predation
c. mutualism
d. goes down
e. goes up
f. goes up
g. goes up
h. goes down
i. goes down
Which population do you refer to?A population is seen as a term that connote the full of the entire set of people in a given kind of group.
It can be that group is seen aa a country or a collection of people who share a certain trait. A population is the group of people from which a statistical sample is taken in statistics.
Therefore, Natural is seen as something that happens in nature and is allowed by natural rules, which is essentially everything that is happening right now and thus entails Natural differences between organism.
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Carbon dioxide diffuses into the plant from the air through the stomata in the ____. If carbon dioxide is in short supply, the _____ of photosynthesis will be low.
Carbon dioxide diffuses into the plant from the air through the stomata in the mesophyll layer.
If carbon dioxide is in short supply, the Oxygen of photosynthesis will be low.
Chlorenchyma cells make up the mesophyll layer, which is the top layer of the leaf. Photosynthetic paranchyma cells include chlorenchyma cells. Chloroplasts are widely distributed in chlorenchyma cells. There are two sublayers of the mesophyll layer in most flowering plants and ferns: the palisade layer and the spongy layer.
Both plants and animals have a form of tissue called spongy tissue. It is a component of the mesophyll of plants and is found in the leaf's palisade cells as a layer. The role of the spongy mesophyll is to facilitate the exchange of gases (CO2) required for photosynthesis.
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drag the biogeochemical processes to the proper group(s) in which they are found in order to review characteristics of microbes important to biogeochemistry.
Biogeochemical processes found in prokaryotes:
- methanogenesis
- methane oxidation
- nitrification
- denitrification
- sulfur oxidation
- sulfate reduction
- nitrogen fixation
Biogeochemical process Found in eukaryotes and prokaryotes:
- respiration
- carbon fixation
- fermentation
Biogeochemical cycles mainly refer to the movement of nutrients and other elements between biotic and abiotic factors. The three types of biogeochemical cycles are hydrological cycle, sedimentary cycle and gaseous cycle. Biogeochemical cycles important to living organisms include the water, carbon, nitrogen, phosphorus, and sulfur cycles.
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Astronomers can use satellites to study stars
Answer:
It is Right.
Because they watch what happens in the space and in orther to this they can use to make Studios.
Answer:
True
Explanation:
Astronomers can look at stars to get information and see their texture.
Scientists discover a species that is unicellular and has chloroplasts. Which of these could it be?
Scientists discover a species that is unicellular and has chloroplasts. It could be the Euglena.
Unicellular Organism- A single cell makes up the unicellular structure. Multicellular creatures have a large number of cells making up its structure. Yeast, paramecium, and amoebas are a few examples of single-celled creatures. Human beings, animals, plants, birds, & insects are just a few example of multicellular life.
Chloroplast- Every green portion of a plant, including the stems and unripe fruit, has chloroplasts, however the majority of photosynthetic activity occurs in the leaves of most plants. An average leaf surface has 500,000 chloroplasts per square millimeter.
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Why are the oldest rocks in the Atlantic oceanic crust (180 million years old) younger than
those of the Piedmont Province?
Pls help me on this question?
The next oldest seafloor is found on the margins of the north Atlantic Ocean and the northwestern Pacific Ocean, as far away from the mid-ocean ridges where it was formed as possible. These seafloor features are approximately 200 million years old.
Why are oldest rocks of the sea floor so much younger than the oldest rocks of the continents?As the continental plates lift up over the subducting ocean plates, the sedimentary and igneous rocks on the continents are preserved at the convergent boundaries. As a result, the continents have rock layers that are much older than any existing ocean layers.The next oldest seafloor is found on the margins of the north Atlantic Ocean and the northwestern Pacific Ocean, as far away from the mid-ocean ridges where it was formed as possible. These seafloor features are approximately 200 million years old.To learn more about : Seafloor
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Marathon runners are encouraged to stop at water stations along the course to stay hydrated. However, occasionally a runner drinks too much water and suffers from hyponatremia, or water intoxication. While water itself is not toxic, drinking too much can upset ion balance in the extracellular space. Based on what you know about ions and nerve signaling, the levels of which important ion are most likely to be disrupted in hyponatremia?.
Answer: Sodium
Explanation:
The pancreas enzymes that aid in digestion by what process are these digestive enzymes from pancreas cells
These enzymes' breakdown proteins consuming trypsin and chymotrypsin, carbohydrates using amylase, and lipids utilizing lipase.
What is the function of pancreatic enzyme?Hormones are made by the islets. The pancreas releases hormones into the bloodstream, as well as digesting enzymes into the duodenum.
The cells of the acini release the digesting enzymes (such as amylase, lipase, and trypsin), which then flow into the pancreatic duct.
With the help of trypsin and chymotrypsin, amylase, and lipase, these enzymes break down lipids, proteins, and carbohydrates.
Therefore, The pancreas enzymes that aid in digestion by exocytosis process.
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How are trenches formed
Answer:if ocean trenches then ocean trenches are a feature of convergent plate boundaries, where two or more tectonic plates meet. At many convergent plate boundaries, dense lithosphere melts or slides beneath less-dense lithosphere in a process called subduction, creating a trench.
Explanation:
Answer: When a lithosphere is going toward another lithosphere it pushes the other lithosphere down and itself is going above it, and its something called subduction, creating a trench.
Explanation:ocean trenches are a feature of convergent plate boundaries, where two or more tectonic plates meet, At many convergent plate boundaries
Please help me please please
Answer:
1. the 4 mitotic stages are prophase, metaphase, anaphase, and telophase.
2. cytokinesis occurs in an animal cell when a cleavage furrow forms and the cytoplasm is pinched in two.
3. cytokinesis occurs in a plant cell when Cell plates form between the two newly formed "cells" and the cell walls are formed from these plates
the bold sentences are the answer
no need to thank me kids
1. What happens to the sunlight as it passes through the atmosphere?
The sunlight is abosorbed and weakened when it passes through the atmosphere, being also scatterred by the air and dust in the atmosphere with short wavelengths scatter more than longer wavelengths. Therefore, the radiation can go forward in part while some is blocked by the constituents of the atmosphere.
cyanide binds strongly with the last electron carrier in the chain. how would this affect the flow of electrons?
Cyanide binds strongly with the last electron carrier in the chain, this would affect the flow of electrons as- the flow would cease and the ATP production would stop.
In the electron transport chain, the toxin cyanide attaches to an electron carrier and prevents electrons from moving. Glycolysis and the citric acid cycle soon come to an abrupt stop when this occurs.
By blocking the mitochondrial ferricytochrome oxidase system and other enzymes, cyanide prevents cells from using their electron transport system and respiring normally. Cellular hypoxia and lactic acidosis are the results of this.
Cyanide has long been known to bind to the heme a3 prosthetic group in Complex IV, inhibiting mitochondrial electron transport (Cytochrome C oxidase [CCOx]).
Hence, when Cyanide binds strongly with the last electron carrier in the chain, this would affect the flow of electrons as- the flow would cease and the ATP production would stop.
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Which marine habitats would have the least access to primary producers? a. salt marshes and estuaries b. coral reefs and lagoons c. mangroves and intertidal zones d. deep sea and sea floor
Answer:
D.
Explanation:
hope this helps!!
Habitat ____ refers to the way plant life at a given site changes over time.
Answer:
Evolution
Explanation:
Habitat evolution refers to the way plant life at a given site changes over time.
Which models shows how cholesterol molecules most likely interact with the phospholipid bilayer of a cell’s plasma membrane?
The model accurately depicts the interaction between the polar heads of the phospholipid and cholesterol molecules. Additionally, the model accurately depicts interactions between the hydrophobic interior of the phospholipid bilayer and the nonpolar parts of the cholesterol molecules.
How does this model accurately depict the interaction between phospholipids and cholesterol?
The model accurately depicts the interaction between the polar heads of the phospholipid and cholesterol molecules. Additionally, the model accurately depicts interactions between the hydrophobic interior of the phospholipid bilayer and the nonpolar portions of cholesterol molecules.
What purpose does cholesterol serve in the plasma membrane?A naturally occurring molecule called cholesterol aids in controlling the fluidity of the plasma membrane of a cell. You can visualize a cholesterol molecule as having a polar head and a nonpolar area.
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Which term best describes the arrangement of different tissues together?
O organism
O system
O cell
O organ
Answer: organ
Explanation: When different types of tissues are organized together to perform a complex function, it's called an organ.
the substances that relay the original message from the receptor site to the firing mechanism of the neuron are:
Secondary messengers are the molecules that transmit the first message from the receptor site to the neuron's firing mechanism.
There are four main categories of second messengers: cyclic nucleotides, such as cAMP and other soluble molecules, which signal within the cytosol; lipid messengers, which signal within cell membranes; ions, which signal both within and between cellular compartments; and gases and free radicals, which can signal throughout the cell.
In order to cause a physiological response, second messengers are designed to open intracellular signaling pathways that amplify the signal and conclude with the activation or inhibition of transcription factors.
There are three main categories of second messengers: calcium ions (Ca⁺²), cyclic nucleotides (such as cAMP and cGMP), and inositol trisphosphate (IP3) and diacylglycerol (DAG).
The purpose of second messengers is to open intracellular signaling pathways that amplify the signal and lead to the activation or inhibition of transcription factors, which triggers a physiological response.
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Which plant is most likely to use a C4 pathway?
maize, sugarcane, and sorghum
Which is the type of chemical reaction in which large organic molecules such as glycogen, triglycerides, and proteins are broken down into their subunits during digestion?.
When large organic molecules are digested, a chemical reaction known as catabolism occurs that breaks them down into their component parts.
Which term best encapsulates catabolic reactions?In order to produce energy, a human must undergo catabolic reactions. These processes break down huge chemical molecules like polysaccharides that are present in an individual into smaller chemical components. During these processes, energy is released.
Digestion is the term for what?The challenging process of digestion is how food is transformed into nutrients that the body uses for energy, cellular growth, and survival. Making trash for elimination is another step in the digesting process.
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The most common type of white blood cell is the
A. platelet
B. neutrophil
C. T cell
D. macrophage
Answer:
neutrophils
because they just are!1!
Answer:
B. Neutrophil
Explanation:
Neutrophils are the commonest type of white blood cell found in a blood smear. They make up 60-70% of the total amount of white blood cells.
Which rock is an example of a chemical sedimentary rock?
Answer: Limestone
Explanation:
Answer:iron ore.
Explanation:
In a cell undergoing meiosis, if homologous chromosomes are aligned at the equator of the meiotic spindle, what process has occurred?.
The homologous chromosomes are positioned in the center of the cell during metaphase I, with the kinetochores facing the opposite poles. The homologous pairs randomly align themselves with the equator.
What happens first in metaphase?When the duplicated chromosomes are in the cell's core, metaphase I begins. During metaphase I of meiosis, the tetrads align themselves along the cell's center. Because the tetrads have remained intact, each cell will receive one chromosome from each homologous pair during the first division.
What makes metaphase important?Sister chromatids are more evenly distributed amongst the two daughter cells as a result of this. The cell will stop growing if there is an alignment issue or a difficulty with the spindle attachment.
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Why do some plants in the tundra retain their dead leaves instead of shedding them? a. the plants absorb the nutrients in the dead leaves. b. the dead leaves insulate new buds from the cold. c. the dead leaves protect them from predatory insects. d. the dead leaves help them survive long periods of drought. please select the best answer from the choices provided a b c d
Answer:
a because dead leaves may decompose hence turn into humus and microbes and plants retain nutrients
which of the following is a nonpoint source of water pollution? group of answer choices a sewage treatment plant an electric power plant a factory an active or inactive coal mine a logged forest
A logged forest is the non-point source of water pollution.
What is water pollution?
When dangerous substances—often chemicals or microorganisms—contaminate a stream, river, lake, ocean, aquifer, or other body of water, their quality deteriorates and they become toxic for both humans and the environment. This is known as water pollution.
Forests can act as runoff buffers, minimizing alterations to the water quality caused by nonpoint sources. Streamside vegetation removal, road building and use, timber harvesting, and mechanical tree planting preparation are all sources of nonpoint source (NPS) pollution related to forestry activities.
Hence the correct answer is a logged forest.
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1. How much work have you done if you lift a block with 10 Newtons of force, and place it on a ledge 2 meters high?
The power of the body 20 W.
What is power?
power is the amount of the energy transferred or the converted per unit time. In this International System of the Units, the unit of power is the watt, equal to one joule the per second. In older works, power is sometimes called is activity and . power is a scalar quantity .
Sol-
Given Force F=10N and velocity v=2m/s
power, P= work done/time
Also we know, work done W=F×s where s= displacement & velocity, v= s/t
Thus,
power, P= F×s/t=F×v
P=10×2=20 W
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