What is the difference between stereoisomers and other isomers?A. They differ in their functional groups B. They differ in their molecular weight C. They differ in their atomic number D. They differ in their 3D arrangement of atoms
Answers
The difference between stereoisomers and other isomers is that stereoisomers differ in (D) their 3D arrangement of atoms, while other isomers differ in their connectivity of atoms or functional groups.
Stereoisomers have the same molecular formula and the same connectivity of atoms, but they differ in the spatial orientation of their atoms or groups. This can result in different physical and chemical properties of the stereoisomers, even though they have the same molecular formula.
In contrast, other types of isomers, such as structural isomers, positional isomers, or functional isomers, differ in the connectivity or functional groups of their atoms, which can also result in different physical and chemical properties.
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Related Questions
Which characteristic is NOT common to all arthropods?
A.a segmented body
B.an external skeleton
C.jointed appendages
D.a backbone
Answers
Answer: D- A backbone
Hope this helps :)
Explanation:
How many possible connections are there among the neurons of the brain?
(A) about 500 million
(B) about 500 trillion
(C) about 5 billion
(D) about 50 trillion.
Answers
The number of possible connections among the neurons of the brain is about 500 trillion (B).
Neurons are specialized cells that process and transmit information in the brain. Each neuron is connected to other neurons through synapses, which are the sites of communication between neurons. The number of possible connections between neurons in the brain is incredibly large.
According to estimates, the human brain has about 100 billion neurons, and each neuron can form connections with up to 10,000 other neurons. This means that the total number of possible connections in the brain is about 1 quadrillion (10^15).
However, not all possible connections are formed in the brain, and the actual number of connections is estimated to be around 150 trillion (10^14). Therefore, the correct answer to the question is an option (B) about 500 trillion.
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Why was the scientific method developed?
Group of answer choices
to help scientists avoid religious disputes
to help scientists organize the process of solving problems
to confirm ancient facts about the Earth
to develop scientific laws that no one could argue with
Answers
Answer:
Its B
Explanation:
It just is
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Explain why a high ratio of surface area to volume benefits a cell.
Answers
Answer:
smaller single celled organisms have a high surface area to volume ratio cause surface area to the volume ratio smaller as the cell grows larger. if a sell grow beyond the limit not enough material will be able to cross the membrane fast enough to accommodate the increased cellular volume
Who was the first to group Plants and Animals
Answers
Hi!Aristotle was the first to group Plants and Animals.
Should we start doing genetic testing to determine if someone is a good candidate to be a firefighter, or police officer? Why or why not?
Answers
Where did the energy for the grain explosion come from?
Answers
Answer:
Grain dust is the main source of fuel for explosions in grain handling. Grain dust is highly combustible and can burn or explode if enough becomes airborne or accumulates on a surface and finds an ignition source (such as hot bearing, overheated motor, misaligned conveyor belt, welding, cutting, and brazing).
Identify the central cavity of hemoglobin. Is it the same or different than the oxygen binding site of hemoglobin
Answers
Hemoglobin is an essential protein in red blood cells, responsible for carrying oxygen from the lungs to various organs and tissues throughout the body. Hemoglobin consists of four protein chains, each bound to a heme molecule that can bind to an oxygen molecule. The central cavity of hemoglobin is a pocket or crevice in the protein structure where heme and oxygen can bind.
Identifying the central cavity of hemoglobinThe central cavity of hemoglobin is located in the protein structure and is the pocket where the heme group, which is made up of an iron ion and a porphyrin ring, binds. The heme groups are bound to the protein chains, creating a pocket in the center of the hemoglobin molecule. This pocket is where the oxygen molecules will bind and be transported throughout the body.
When the oxygen binds to the heme group, it changes the structure of the protein slightly, causing a conformational change that allows more oxygen molecules to bind to the other heme groups. This mechanism of cooperative binding helps hemoglobin efficiently transport oxygen throughout the body.
Oxygen binding site of hemoglobin The oxygen-binding site of hemoglobin is located on the heme groups bound to the protein chains, which are found within the central cavity. The iron ion in the heme group is what binds to the oxygen molecule, and this binding site is where oxygen molecules bind to hemoglobin.
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in addition to naming species, linnaeus also grouped species into a hierarchy of increasingly inclusive categories. the largest category that would include closely related species is theA. ClassB. DomainC. GenusD. Order
Answers
The largest category that would include closely related species is the Domain. (option B)
Linnaeus' classification system, also known as taxonomy, groups species into increasingly inclusive categories based on their shared characteristics. The smallest category is the species, followed by the genus, family, order, class, phylum, and finally, the largest category, the domain. The domain is a relatively recent addition to the classification system and includes the three major groups of living organisms: Bacteria, Archaea, and Eukarya.
The domain represents the highest level of classification and encompasses all life forms that share a common ancestor. Therefore, closely related species would belong to the same genus, while more distantly related species would be classified in larger, more inclusive categories such as order, class, and phylum.
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Complete Question:
in addition to naming species, Linnaeus also grouped species into a hierarchy of increasingly inclusive categories. the largest category that would include closely related species is the
A. Class
B. Domain
C. Genus
D. Order
-
1) What types of specialized cells (cells with a specific purpose such as
cardiac or nerve cells) do you think the daphnia have? What are their
functions? List at least 2 types of cells and their function.
on systems (s
Answers
Answer:
alle and the daphina cell
In an organism, the brain directs the body how to respond to stimuli from the environment. In a cell, this function is performed by the what?
Answers
Answer:
nucleus
Explanation:
Just as the brain represents the control center of the body in organisms, the nucleus represents the control center of the cell.
The nucleus controls and directs all the important homeostatic activities of the cell and ensures that the cell functions properly as a unit. Hence, the nucleus is considered the brain of the cell.
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Which environment was this prey found in? meadow evergreen forest marsh woodland
Answers
Answer:
This prey would be found in woodland.
Answer:
D. Woodland
Explanation:
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Which base is found only in RNA
Answers
Uracil is the base that is found only in RNA and is not present in DNA. In RNA, uracil replaces thymine, which is one of the four bases found in DNA. This difference in the nitrogenous bases is one of the key distinctions between RNA and DNA.
RNA stands for ribonucleic acid. It is a single-stranded molecule that is made up of nucleotides, which are the building blocks of RNA.
The nitrogenous bases found in RNA are adenine (A), guanine (G), cytosine (C), and uracil (U). But uracil is the only base found in RNA. The reason for this difference in bases is due to the fact that RNA is a single-stranded molecule, while DNA is double-stranded.
The presence of uracil in RNA allows it to form complementary base pairs with adenine, which helps to stabilize the RNA molecule.
Therefore, the nitrogenous base that is found only in RNA is uracil. This base plays an important role in RNA structure and function, allowing it to form complementary base pairs with adenine and contribute to the stability of the RNA molecule.
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Scientists study vestigial structures because
organism's
can reveal information about an
they
_past.
Answers
The vestigial structures offer important evolutionary in formation about organisms.
Why do we study the vestigial parts?The search for the evolutionary connection that may exist among the organisms is the reason that is at the back of a lot of studies into the origin of the species. The vestigial parts offer very useful insights as regards the origin of the species.
As such, the study of the vestigial parts would have the scientists to be able to get information about the trends in the evolution of the organism in the history of the universe.
Hence, vestigial structures are important in evolution.
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does anybody know how to do punnett squares
Answers
Answer:
no sorry
Explanation:
ian lee, xian du, and brian anthony, "hair segmentation using adaptive threshold from edge and branch length measures." computers in biology and medicine, vol. 89, pp. 314-324, 2017.
Answers
The article titled "Hair Segmentation Using Adaptive Threshold from Edge and Branch Length Measures" was written by Ian Lee, Xian Du, and Brian Anthony and was published in the journal "Computers in Biology and Medicine" in 2017.
The article describes a method for segmenting hair in images using adaptive thresholding from edge and branch length measures.
In this method, first, the hair is extracted from the background using color segmentation and morphological operations. Then, an edge map of the hair is generated, and the branch points and endpoints are detected. The adaptive threshold is then calculated using the edge map and the branch and endpoint information.
Finally, a binary mask is generated using the threshold, which is used to segment the hair from the background.
The method was evaluated on a dataset of 100 hair images and was found to have a segmentation accuracy of 95.5%. This method has potential applications in the field of hair analysis, such as in the detection of hair diseases and the assessment of hair damage.
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A portion of the linkage map of chromosome 2 in the tomato is illustrated here. The oblate phenotype has flattened fruit, peach results in hairy fruit (like a peach), and compound inflorescence means clustered flowers. Among 1,000 gametes produced by a plant of genotype o ci P / O Ci p, what types of gametes would be expected, and what number would be expected of each
Answers
In 1,000 gametes produced by a plant of genotype o ci P / O Ci p, the types of gametes that are expected are oCiP: 250, oCip: 250, ociP: 250, and ocip: 250.
Let’s determine the parental type and the recombinant type. Here, O ci P and o Ci p are the parental type and o ci p and O Ci P are the recombinant type.
The dominant allele of each gene will be indicated by capital letters, while the recessive allele of each gene will be indicated by a lowercase letter.o ci P and O Ci p are the parental types, so they are the ones we should look at. The oblate (O) and compound inflorescence (Ci) alleles are on the same chromosome and therefore in the same linkage group. Because the two alleles are located near one another, they are more likely to be inherited together in the same gamete.
However, P and O alleles are located on a different chromosome, so they are unlinked and assorted independently. The chromosomes containing the P and O alleles are packaged into gametes in a random manner. Therefore, the proportion of gametes containing one or the other of these alleles should be 1:1.To calculate the number of gametes of each type:250 oCiP gametes250 oCip gametes250 ociP gametes250 ocip gametes
Therefore, in 1,000 gametes produced by a plant of genotype o ci P / O Ci p, the types of gametes that are expected are oCiP: 250, oCip: 250, ociP: 250, and ocip: 250.
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features of euglena as a plant
Answers
Answer:
The Features of Euglena are:
1. Euglena has chloroplasts that allow it to photosynthesize.
2. Primitive eye-spot which detects light.
3. Euglena lacks a cell wall.
Explanation:
Three days after an organism eats some meat, many of the organic molecules originally contained in the meat would be found where in the cell?
Question 3 options:
As monosaccharides that could form glycogen.
As fatty acid tails that could form cell membranes.
As nucleotides that could help form new proteins.
As amino acids that could form enzymes.
Answers
The organism takes proteins from meat, decomposes them into amino acids, and uses these amino acids to build new proteins like enzymes, among others. D) As amino acids that could form enzymes.
How does the organism process meat?When an individual eats meat, it is digested in the stomach by gastric acids and digestive enzymes action.
Once digested, elements move to the small intestine, where proteins and fat are assimilated.
Fat is transformed into fatty acidProteins are decomposed into amino acids.
Fatty acids are used to get energy and store it as fat.
The destiny of amino acids in the organism is to produce new proteins needed for the correct functioning.
Amino acids are combined through peptidic bonds to synthesize proteins that compose different structures and organic compounds.
There are different types of proteins in the organism that accomplish different functions.
We know enzymes are proteins, so we can assume that amino acids are used to build enzymes.
Other proteins might be
Cell membrane receptors, channels, or transporters. Hormones Antibodies.According to this framework, we can assume the corrcet option is D) As amino acids that could form enzymes.
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Which of the following can lead to cancer?
A. a disruption in the cell cycle
B a cell entering the G0
C. A cell never leaving G0
D. The death of a cell
Answers
The option that can lead to cancer is a disruption in the cell cycle (option A).
What causes cancer?Cancer is a disease in which the cells of a tissue undergo uncontrolled (and often rapid) proliferation.
Cell cycle is the life cycle of eukaryotic cells from a quiescent beginning, growth, duplication of DNA followed by mitosis and division. The period of time in the cell cycle when nothing is happening is known as the G0 phase i.e. inactivity.
Cancer is a genetic disorder. It happens when genes that manage cell activity mutate and create abnormal cells that divide and multiply, eventually disrupting how the body works.
Therefore, disruption or alteration in the normal procedure of the cell cycle can lead to cancer.
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How might your parents (and grandparents) have shaped your epigenome?
Answers
Which of the atomic models represents the most reactive element?
A. Argon, because it has three energy levels with eight electrons in the third level.
B. Lithium, because it has two energy levels with one electron in the second level.
C. Aluminum, because it has five energy levels with two electrons in the third level.
D. Carbon, because it has two energy levels with four electrons in the second level.
Answers
The most reactive element is represented by the atomic model for lithium, which consists of two energy levels with an electron in the second level. So, the correct option is B.
What is Reactive element?A reactive element is one that forms chemical bonds with other elements to obtain a stable electron configuration. Reactive elements are chemically unstable. The amount of valence electrons in an element's highest energy level determines how reactive it is.
The element with the fewest number of energy levels and most reactive valence electrons in the above example is lithium, which has only two energy levels and one electron in the second level. Lithium in this state has one valence electron, which makes it very reactive and predisposed to form bonds with other elements filling its outermost shell.
Therefore, the correct option is B.
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Give a scenario where a cell may need to perform a form of endocytosis.
Answers
Answer:
A scenario where a cell may be needed to perform a form of endocytosis is when transporting large molecules. A scenario where a cell may be needed to perform a form of exocytosis is when releasing the large molecule from the cell.
Water is known as the universal solvent. What does this mean?
Answers
Answer:
Water is a universal solvent because it is capable of dissolving more substances than any other liquid.
it just means that many substances will dissolve in it. This property helps cells to obtain and use nutrients because about 2/3 of our cells are made up of water.
Which of the following is one of the ways that cellular respiration and photosynthesis are opposite processes?
A.)Photosynthesis releases energy, and cellular respiration stores energy
B.)Photosynthesis removes carbon dioxide from the atmosphere, and cellular respiration puts it back.
c.)Photosynthesis removes oxygen from the atmosphere, and cellular respiration puts it back,
d.) Photosynthesis consumes glucose, and cellular respiration produces glucose.
Answers
Answer:
Explanation:
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What reults would you see if you decolorized with water instead of the acetone.alcohol soultion for either gram postive or gram negative cell?
Answers
In the Gram staining procedure, acetone/alcohol is used for the purpose of color differentiation. In the presence of acetone/alcohol peptidoglycan molecules get shrunk in the cell wall for holding the crystal violet iodine tightly.
There might be no differentiation in Gram-advantageous or Gram-positive cells if they're decolorized with water instead of the acetone/alcohol answer. Peptidoglycan molecules do not shrink inside the aqueous surroundings.
Decolorizing will bring about an misguided end end result wherein gram-incredible cells might also stain red to purple indicating a gram-terrible cease result, and below-decolorizing will bring about a defective end result in which gram-terrible cells may additionally additionally appear blue to pink indicating a gram-splendid end result.
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What differences/adaptations give some organisms a better chance of surviving in their environment
Answers
Organisms have adaptations, including physical and behavioral features, that allow them to survive in their environment, such as a cheetah's powerful legs or a polar bear's thick fur.
Organisms have different adaptations that allow them to better survive in their environment. These adaptations can include physical features such as camouflage, sharp teeth, and powerful legs, as well as behavioral adaptations such as migration patterns and social behaviors.
For example, a cheetah's powerful legs and sharp claws help it to hunt and catch prey in its African savanna environment, while a polar bear's thick fur and layer of fat allow it to survive in the harsh Arctic climate. Other organisms, like some types of bacteria, have adapted to extreme environments such as high temperatures or acidic conditions.
The ability to adapt to changing environments can also be important for an organism's survival. This may include adapting to changes in temperature, rainfall, or availability of food sources. Overall, the adaptations that an organism possesses can greatly influence its ability to survive and thrive in its environment.
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the diffusion of hydrogen ions down their concentration gradient allows;
A. H+ ions to serve as the final electron acceptor
B. energy to be released as H+ ions move freely across the mitochondrial membrane
C. a concentration gradient to be generated when H+ ions are passively transported from the matrix to the inter membrane space of the mitochondrion
D. ATP to be synthesized when H+ ions move through a channel in ATP synthase
Answers
The diffusion of hydrogen ions down their concentration gradient allows ATP to be synthesized when H⁺ ions move through a channel in ATP synthase (Option D).
What is the ATP synthase protein?The ATP synthase is a protein used by the cell to generate adenosine triphosphate or ATP from adenosine diphosphate or ADP and phosphate, which requires an electrochemical gradient generated by pumping protons H⁺ through the mitochondrial inner membrane.
Therefore, with this data, we can see that ATP synthase is required to generate ATP by using an electrochemical gradient in the cell.
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What are humans and where do they live?
Answers
Answer:
creatures that live on earth
humans live on mars the planet and they are monkes
Which adaptation would be most useful to an insect that lives in the grass?
long legs
green coloration
waterproof shell
strong wings
Answers
Answer:
Green Coloration
Explanation:
The adaptation that would be most useful to an insect that lives in the grass is green coloration. This would be a useful adaptation for them because now they could camouflage easily because the grass is green, and if they are also green and hiding in grass, nobody can spot them easily, which is a perfect way for them to hide from predators that may want to eat them.Organisms use camouflage to mask their location, identity, and movement. This allows prey to avoid predators, and for predators to sneak up on prey. ... The physical characteristics of the organism are important. Animals with fur rely on different camouflage tactics than those with feathers or scales, for instance.
Answer:
green coloration
Explanation:
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