The properties of elements that compare to the properties of the compounds they form is as follows: the properties of the elements may differ from the properties of the compounds they form (option A).
What is a compound?A compound is a substance formed by chemical bonding of two or more elements in definite proportions by weight. This means that chemical elements combine chemically via bonds to form compounds.
However, the properties of compounds are different from the properties of the elements that form them because elements in a compound combine and become an entirely different substance with its own unique properties.
Therefore, the properties of elements that compare to the properties of the compounds they form is as follows: the properties of the elements may differ from the properties of the compounds they form.
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Hint: What determines the identity of an atom?
Answer: by the Number of protons
Explanation:
The number of protons in the nucleus of an atom is its atomic number (Z).
Hope it helpsIn TV shows and movies, the word mutant refers to characters born with abilities unusual for humans. What do you think scientists mean when they talk about a genetic mutation?
Do you think all genetic mutations are harmful? Explain your answer.
Answer:
A gene variant is a permanent change in the DNA sequence that makes up a gene. This type of genetic change used to be known as a gene mutation,but not all genetic mutations are harmful .The majority of mutations have neither negative nor positive effects on the human or the organism itself.
Explanation: (In the answer as well)
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identify the independent variable and dependent variable in the scientific method PLEASEEEE I NEDDD HELLPPP
Answer:
The independent variable is the variable that is not changing (in other words its outcome does not depend on another variable), the dependent variable is the one whose outcome is dependent on the other variable
Explanation:
Which characteristic of life is responsible for maintaining an organism's internal environment?
A. homeostasis
B. metabolism
C. response
D. heredity
Answer:
Homeostasis.
Living organisms regulate their internal environment to maintain the relatively narrow range of conditions needed for cell function.
Explanation:
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20. If you are given a-10 g block of lead and a 10 g
block of aluminum, which block has the greater
volume?
F.
G.
H.
J.
Lead
Aluminum
They have the same volume because they
are both 10 g.
There is not enough information given.
Since the density of the metallic blocks were not given: there is not enough information given; option B
How are the volume of a 10 g block of lead and a 10 g block of aluminum determined?The volume of a substance is determined from the mass and the volume of the given substance.
The volume, mass and density of a substance are related by the formula below:
Volume = mass/densityThe mass of the aluminum = 10.0 g
density of aluminum is not given
The mass of the lead block = 10.0 g
density of lead is not given.
The volume can only be determined if the density of the metallic blocks were given.
Therefore, there is incomplete information given to determine which metallic block has the greater volume.
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Renee has just completed her experiment for biology lab and cleaned up her lab area. The bell rings for her to go to her next class. What should Renee do before she leaves the laboratory?
Renee should follow proper laboratory safety guidelines and ensure that all the equipment in the biology lab are in the proper place before leaving for the next class when the bell rings.
Renee should first of all place the compound microscope gently in its proper place after removing the slide from the stage and adjusting the eye piece back to its original position. The microscope should always be carried from the arm side.
Renee should also wash the slides, coverslips, petri-dishes, pipettes, etc. before placing them back in their respective places in the laboratory. The burner should also be turned off properly. Finally, Renee should wash her hands properly before leaving the biology lab.
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Juan received a class assignment to write about organisms that live in extreme environments. While doing research online, he found an image that showed microbial bodies thriving in hot springs. The organisms lacked a nucleus or defined organelles. Which organisms can he possibly find in such conditions?
Smoke and dust particles elevate from the ash in a forest.
A.
plant-like protists
B.
animal-like protists
C.
fungus-like protists
D.
archaea
Reset Next
Pretest: Organization of Organisms
© 2022 Edmentum. All rights reserved.
Answer:
D. archea
Explanation:
1. Explain how human activity other than deforestation may disrupt the natural carbon cycle.
2. Suggest how human disruption to the carbon cycle can be minimized
Human activities that disrupt the carbon cycle could be minimized by;
Decreasing deforestationReducing of not eliminating the use of fossil fuelsWhat is the carbon cycle?The carbon cycle refers to the process of the movement of carbon in nature. We know that materials such as elements and compounds move round the ecosystem in the biogeochemical cycles.
This entire process is balanced save for human interferences. Human interferences include deforestation which removes the natural carbon sinks and the use of fossil fuels which inflates the amount of carbon in the atmosphere.
We know that human activities have weighed down very heavily on the balance of carbon in nature and this has caused a lot of imbalance that have eventually let to a myriad of environmental challenges that exists on earth.
Human activities that disrupt the carbon cycle could be minimized by;
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For each of the following scenarios, describe the most likely pathway from beginning of synthesis (when peptide bonds are made) to final location for
a protein. Include short descriptions of key steps. The scenarios are: a protein that floats freely in the cytoplasm; a protein that is in the lumen (liquid
interior) of a lysosome; a protein that is secreted from a cell; and a protein that is imbedded in the plasma membrane of a cell.
Both the nucleus and the cytoplasm of a cell are the sites where protein synthesis takes place. A DNA template is used to create RNA in the nucleus. The translation is then carried out by this RNA in the cytoplasm.
Transcription and translation are the two processes that make up protein synthesis. A segment of DNA called a gene, which codes for a protein, is transformed into a template molecule called messenger RNA during transcription (mRNA). In the cell's nucleus, enzymes referred to as RNA polymerases perform this conversion. [2] Eukaryotes make this mRNA prematurely at first (pre-mRNA), which then goes through post-transcriptional changes to produce mature mRNA.
Nuclear pores allow the mature mRNA to be evacuated from the cell nucleus and transported to the cytoplasm, where translation can take place. Ribosomes read the mRNA during translation, using its nucleotide sequence to infer the order of the amino acids. To create a polypeptide chain from the encoded amino acids, the ribosomes catalyse the production of covalent peptide bonds. After translation, the polypeptide chain needs to fold in order to create a functioning protein. For instance, for an enzyme to work properly, the polypeptide chain needs to fold properly in order to create a functional active site. The polypeptide chain initially forms a series of smaller underlying structures termed secondary structures before it can assume a useful three-dimensional (3D) shape.
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A stream of water holds thriving bacteria. If drought conditions caused the stream to dry up, how would the bacteria mostly likely respond to survive?
A.
They would learn how to photosynthesize.
B.
They would produce more peptidoglycan.
C.
They would secrete more polysaccharides.
D.
They would produce endospores.
The correct answer is they would produce endospores.
Bacteria are growing in a water stream. Bacteria would most likely respond by producing endospores in order to live if drought caused streams to dry up.
When bacteria are exposed to hard circumstances, endospores are produced as a kind of defence.
Until the external conditions are conducive for their development, bacteria produce a hard outer coating that makes them appear inactive.
The endospores are hardy, latent, and non-reproductive bacterial spores that guarantee bacterial survival under challenging circumstances. Numerous bacteria produce dormant endospores in response to environmental stressors such hunger, desiccation (extreme dryness), radiation, and chemical treatment. When the circumstances are right, these endospores grow once again.
Therefore, the bacteria that reside there would develop endospores to survive if drought circumstances caused the stream to dry up.
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Dertemine the maximum volume of the air breathed in during the period of rest for each minute
The maximum volume of air breathed in during the period of rest for each minute is 500 ml also known as tidal volume.
Tidal volume is simply each breath a person takes. It is a significant factor in both minute and alveolar ventilation. The quantity of air that enters the lungs each minute is measured by minute ventilation also referred to as total ventilation. It is a function of both tidal volume and respiratory rate.
A physiological term called tidal volume (Vt or TV) is used to indicate how much air is generally moved during inspiration and expiration when you are at rest. Spirometry, a non-invasive test, is used to measure it. Adults breathe on average seven milliliters (mL) every kilogram (kg) of ideal body weight.
When it comes to configuring the ventilator in critically ill patients, tidal volume is crucial. Delivering a tidal volume that is both large enough to sustain proper breathing and small enough to prevent lung trauma is the objective.
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skin cancer description
2. Upon being diagnosed with Cirrhosis of the liver, doctors urge patients to limit the amount of salt intake in their diet to help decrease the rate of scarring. During salt intake the blood becomes increasingly (hypertonic, hypotonic) to the interstitial fluid. Due to this osmotic imbalance, the liver cells become (hypertonic, hypotonic) to the interstitial fluid. This causes the liver cells to appear (shriveled, swollen). (3pt)
The liver also produces a protein called albumin, which is responsible for maintaining osmotic pressure inside the blood plasma compartment of the body. Over time scarring of the liver leads to a decreased production of this protein. When the levels fall, the blood plasma becomes (hypotonic, hypertonic) to the interstitial fluid. Due to this osmotic imbalance, the tissues become (hypertonic, hypotonic) which leads to fluid seeping from the legs and feet. (2pt)
The correct option about the states of the liver are:
HypertonichypertonicswollenhypotonichypotonicWhat are hypertonic and hypotonic solutions?Hypotonic solution are solutions that have lower solute concentration that the interior of a cell or the cytosol of the cell. Water flows into the cell when they are placed in hypotonic solutions.
Hypertonic solution are solutions that have higher solute concentration that the interior of a cell or the cytosol of the cell. Water flows out of the cell when they are placed in hypertonic solutions.
During salt intake the blood becomes increasingly hypertonic, to the interstitial fluid. Due to this osmotic imbalance, the liver cells become hypertonic to the interstitial fluid. This causes the liver cells to appear swollen.
The liver also produces a protein called albumin, which is responsible for maintaining osmotic pressure inside the blood plasma compartment of the body. Over time scarring of the liver leads to a decreased production of this protein. When the levels fall, the blood plasma becomes hypotonic, to the interstitial fluid. Due to this osmotic imbalance, the tissues become hypotonic which leads to fluid seeping from the legs and feet.
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Where do all stars begin their evolution
Answer:
Stars are hot bodies of glowing gas that start their life in Nebulae.
Explanation:
They vary in size,mass and temperature, diameter ranging 450X smaller to over 1000X larger than that of the Sun.
Small insects fall into the pitcher plant and can not climb out due to presence of
a) nutrients
b) decomposers
c) enzymes
d) stiff hair
Small insects fall into the pitcher plant and can not climb out due to presence of enzymes.
Because they don't rely on any other living thing to provide them with the energy they need to function, plants are the primary producers of an ecosystem.However, there are also several carnivorous plants that hunt a variety of small insects and bugs to consume them in order to obtain the essential energy.Similar to pitcher plants, which are also common carnivorous plants, pitcher plants hunt primarily using traps resembling jars and lids.When there are no insects or bugs sitting on the jar-like structure, it is always opened. A lid-shaped leaf tightly encloses the jar trap once the beetle or insect has settled on that jar-like structure.Additionally, the digestive enzyme fluid included within this trap aids in the digestion of the insects and other pests caught inside the plant.Therefore, option C. is correct.
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How many glycosidic bonds would be needed to combine three monosaccharides together?
A.2
B.1
C. 3
The number of glycosidic bonds that will be required to combine three monosaccharides together is 2. The correct option is A.
What is glycosidic linkage?A glycosidic bond, also renowned as a glycosidic linkage, is a sort of covalent bond that connects one carbohydrate molecule to another, which may or may not be another carbohydrate.
When the hemiacetal of a saccharide reacts with the hydroxyl group of another substance, such as alcohol, a glycosidic bond is formed.
A glycosidic bond exists between sugar and nitrogen base in the DNA molecule.
The nitrogen-carbon linkage between the 9' nitrogen of purine bases or the 1' nitrogen of pyrimidine bases and the 1' carbon of the sugar group forms the glycosidic bond.
The count of glycosidic bonds requisite to link three monosaccharides with each other is two.
Thus, the correct option is A.
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Which of the following is NOT one of the characteristics shared by
all living things?
Living things reproduce.
Living things respond to their environment.
Living things are made of cells.
Living things always need a host to live in.
Explanation:
Living things always need a host to live in.
HELPPPPPP PLEASE AND QUICK
Which of the following correctly relates the cell structure to its function in plant cells?
vacuole – protein synthesis
ribosome – waste disposal
nucleus – lipid storage
mitochondria – sugar conversion
Mitochondria sugar conversion correctly relates the cell structure to its function in a plant cell.
Cell:The cell is the basic unit of life. There are two types of cells plant cells and animal cells. animal cell do not have a cell wall. Vacuole is the membrane bound organelle.
A vacuole is an organelle performs various functions such as to store water, remove and store harmful foreign products and store nutrients such as lipids, proteins and carbohydrates.
Ribosomes are the complex cells found in living cell which helps in protein synthesis. Ribosomes have two more functions for protein synthesis in cell.
Nucleus is the located in the center of the cell. It contains genetic material of the cell. DNA is the genetic material found in eukaryotes and RNA is the genetic material in the Prokaryotes such as virus.
Mitochondria is the powerhouse of the cell. It produces energy from the glucose. ATP is the energy unit for a cell.
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In general, which type of molecules would be able to pass through a cell's
membrane?
a. Monomers only
b. Polymers only
c. Both monomers and polymers
d. Neither will be able to pass through
Monomers only In general, which type of molecules would be able to pass through a cell's membrane
The cell membrane is also called as the plasma membrane. It provides the protection for the cell and its cellular components from the external environment. It is basically selectively permeable and the regulates the movement of the molecules in and out of the cell. The cell membrane (plasma membrane) is a thin semi-permeable membrane that is surrounds the cytoplasm of the cell. Its function is to protect the integrity of the interior of the cell by allowing of the certain substances into the cell while keeping other substances out
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The cardiovascular system does NOT
carry the carbon dioxide exhaled by the pulmonary system.
carry the oxygen used by the muscles.
carry the nutrients absorbed by the digestive system.
carry the hormones released by the endocrine system.
control when muscles contract.
Answer:
transports oxygen and carbon dioxide for the respiratory system.
Food webs, food chains, and trophic levels are all tools to help ecologist understand which of the following
A. The climate of an ecosystem
B. The types of animals that exist in an ecosystem
C. The energy flow within an ecosystem
D. The size of an ecosystem
The energy flow within an ecosystem.
Animals can utilize both radiant and fixed energy. The fundamental unit of electromagnetic waves like light is radiant energy. Fixed energy is chemical potential stored in various organic materials that can be damaged to release their energy.
Autotrophs are organisms that can fix radiant energy and can synthesize organic compounds from inorganic materials. Heterotrophs are organisms that cannot receive energy from an abiotic source but rely on organic compounds produced by autotrophs that are rich in energy.
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Julia, an economics professor, is giving a presentation on her research. What presentation delivery method should Julia use if she wants to broadcast her lecture to various places in real time?
A.
external monitor
B.
overhead projector
C.
presentation sharing website
D.
webcast
Answer:Webcast
Explanation:Plato
Drag the tiles to the correct boxes to complete the pairs.
Match each set of values of a function to the pair of points that satisfy the function.
rate of change = -1, and initial value = 7
rate of change = -0.5, and initial value = 5
(4, 3) and (6, 7)
(2, 10) and (5, 19)
(2, 5) and (5,2)
(2, 4) and (4, 3)
rate of change = 2, and initial value = -5
rate of change = 3, and initial value = 4
After matching each set of values of a function to the pair of points that satisfy the function, we get
1-4
2-2
3-1
4-3
(4,3) and (6.7) rate of change = 2, and initial value = -5
k= 7-3/6-4 = 2, y=2x-5
(2,10) and (5, 19) rate of change=3, and initial value = 4
k= 19-10/5-2 = 9/3 = 3, y=3x+4
(2,5) and (5.2)→ rate of change = -1, and initial value = 7.
k= 2-5/5-2 = -3/3 = -1, y= -x+7
(2.4) and (4,3) →→ rate of change = -0.5, and initial value =5
k= 3-4/4-2 = -1/2 =-0.5, y=-0.5x+5
The set of input values and the set of output values for a function each have their own names. The domain of the function is the collection of input values. The range of the function is the collection of output values.
Correct question: Drag the tiles to the correct boxes to complete the pairs. Match each set of values of a function to the pair of points that satisfy the function. rate of change = -1, and initial value = 7 rate of change = 2, and initial value = -5 rate of change = -0.5, and initial value = 5 rate of change = 3, and initial value = 4 (4, 3) and (6, 7) arrowRight (2, 10) and (5, 19) arrowRight (2, 5) and (5, 2) arrowRight (2, 4) and (4, 3) arrowRight
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what single characteristic of the selectively permeable membranes used in the laboratory determines the substances that can pass through them
Answer:
The single characteristic of the selectively permeable membranes used in the laboratory determines the substances that can pass through the size of pore.
Georgio is jogging barefoot along the beach when he suddenly steps on the sharp edge of a broken shell. He instantly feels pain due to the message carried to his brain by ____. He then slowly walks home with an achy foot. The message of the ache is carried by ____.
Georgio is jogging barefoot along the beach when he suddenly steps on the sharp edge of a broken shell. He instantly feels pain due to the message carried to his brain by dendrites. He then slowly walks home with an achy foot. The message of the ache is carried by neurons.
The nervous system has electrical cells that are trained to transmit and receive messages. Through the use of electricity, people can communicate by transmitting messages to one another. This voltage is produced in neurons by the movement of charged ions. salt atoms with positive or negative charges that pass through the cell membranes and cross the cell's outer membrane. The neuron has dendrites, which are branches (like a tree) that receive messages, and an axon, which is a longer, more straightforward projection (like a tree trunk), that sends information. Synapses. Axon ends include the neuron communication junction, where vesicle fusion releases chemical signals. Neurotransmitters are the chemical messages that the nerve cell releases.
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7. Amutualism type of relationship is different from a parasitic relationship because in mutualism, (a) both organisms involved benefit (b) none of the organisms benefits or harm each other (c) both organisms harm each other (d) only one of the organisms is harmed. The table below shows the number of some organisms in habitats W and Y. Study it and answer questions 28 to 30. Organisms Plankton Antelope Water flea Tilapia Lion Frog Grass Number in the habitat Habitat W Habitat Y 0 51 126 0 10 23 0 6 0 C 0 0 6 0 250 37 32 3
One species gain from parasitic interactions while the other loses. Medical microbiology studies a large majority of parasitic, human tissue-eating bacteria. For instance, parasitic bacteria are responsible for cholera, leishmaniasis, and giardia.
Any coexistence of two or more biological species is referred to as symbiosis. These connections are typically long-lasting and have a significant effect on the fitness of either one or both animals. The advantages and physical characteristics of symbiotic interactions are classified. In nature, relationships in which both species profit are known as mutualistic relationships. Numerous instances of mutualistic bacteria in the stomach that support digestion in both humans and animals may be found in the field of microbiology. A relationship between species known as commensalism occurs when one species benefit and the other is unaffected.
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What is different between plant and animals
which location is most commonloy used by veterinary professionals to take a animals pulse
Answer:
The easiest way to take a pulse is to put your hand on the left side of your pet's chest where the elbow meets the chest. At this location, one should be able to feel the heart beating. Count how many times you feel the heartbeat for 15 seconds and then multiply by four to calculate beats per minute.
Explanation:
Answer:
On the left side of the animals chest
Explanation:
11 Answer:
The 1990 law that required food labels to carry basic nutrition
information is the _____ Act.
12 Answer:
Polyhydric alcohols or polyols such as glycerine, sorbitol,
mannitol, and propylene glycol are used in foods to improve _____ and
increase moisture retention.
13 Answer:
Food _____ is the altering of a food so it appears to be of a
higher quality than it is.
11.) The 1990 law that required food labels to carry basic nutrition information is the Nutrition Labeling and Education Act.
12.) Polyhydric alcohols or polyols such as glycerine, sorbitol, mannitol, and propylene glycol are used in foods to improve texture and increase moisture retention.
13.) Food processing is the altering of a food so it appears to be of a higher quality than it is.
What is food processing?Food processing is the act of changing the texture and structure of food products in order to
their taste and prolong their shelf life.
While processing foods, some additives are used to improve texture and increase moisture retention such as the Polyhydric alcohols.
Examples of Polyhydric alcohols include the following:
glycerine, sorbitol,mannitol, and propylene glycol.After processing of food, an act called the Nutrition Labeling and Education Act help consumers to make better choices and they encourage food companies to produce healthier food.
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