Which process involves one parent that produces offspring identical to each other and to the parent?
Sexual Reproduction
Natural Selection
Asexual Reproduction
Adaptation
Answers
Answer:
Asexual Reproduction
Explanation:
Asexual reproduction involves one parent and produces offspring that are genetically identical to each other and to the parent.
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help me Discussion Topic
In May 2016, scientists discovered a eukaryote organism from a group known as Monocercomonoides that lacks functional mitochondria. Research this organism, and answer these questions:
Does this organism still meet the definition of a eukaryote? Why or why not?
Why can this organism survive without mitochondria?
Without mitochondria, does this organism still carry out all the basic functions of life?
Should the organism be considered a life-form?
Answers
Answer:
Yes. A eukaryotic organisms have mitochondria or some degenerate form of mitochondria. Monocercomonoides is an unusual organisms that does not have the slightest indication that it has a mitochondria nor have at least an abbreviated form of mitochondrial proteins. However, scientist conclude that mitochondria must have once been present in this organism and later lost them.
Explanation:
Usually a eukaryote has some genes in their nuclear DNA needed to assemble mitochondria but that genes were not present in Monocercomonoides. It also does not have a gene for making the energy extracting enzymes. Thus, this extraordinary organism refuses to adhere to the basic requirement of a eukaryotes.
However, scientist classify Monocercomonoides to be a eukaryotes though it does not show evidence of having a mitochondria simply because it is now commonly accepted that mitochondrion-related organelles (MROs) are essential composition in all newly discovered eukaryotes and that mitochondrial endosymbiosis takes place before radiation of all extant eukaryotes. It means that evolutionist assume that the mitochondria evolved in the common ancestor of all eukaryotes and conclude that mitochondria must have once been present in this organism and later lost them.
Monocercomonoides can still carry out all of its basic functions of life by obtaining energy from glucose using anaerobic metabolic pathways that operates in the cytoplasm of its cell. They utilize glycolysis, the same non-oxygen-requiring, energy-generating biochemical pathway found in the cytoplasm of all cells to metabolize glucose. It gets more energy by using a series of enzymes that breaks down arginine, an amino acid.
The organism could be considered a life form because evolutionist believed that it started out its existence with mitochondria, received a gene for iron-sulfur cluster synthesis from bacteria and lost its mitochondria. With their strange ways to energize their life and build structures for survival, Monocercomonoides live inside a mammalian intestine, a low oxygen environment.
This protist is a remarkable organism that surprises scientist and pushes the limits of what is actually known in biology.
Can anyone please help with this? 20 points please
Answers
Answer:
Corn plant is a producer
Explanation:
a smoker feels more relaxed after a cigarette partly because
Answers
Smokers usually tend to feel more relaxed after smoking a cigarette because of the chemical nicotine that is present in tobacco. The reason behind this is that nicotine has a calming effect on the brain which leads to a feeling of relaxation and calmness.
The inhalation of smoke and the exhaling act of smoking can provide some immediate feelings of relief and relaxation to the smoker. When the smoker inhales smoke from a cigarette, the nicotine travels quickly to the brain. It stimulates the release of neurotransmitters such as dopamine and serotonin. Dopamine is also known as the "reward neurotransmitter." It helps regulate the brain's pleasure and reward centers and leads to a feeling of euphoria. Serotonin, on the other hand, is responsible for regulating mood, sleep, appetite, and other bodily functions. The combination of dopamine and serotonin creates a pleasurable experience in the smoker's brain.
It is also the reason why smoking cigarettes can be so addictive. The release of these neurotransmitters makes the smoker feel relaxed, calm, and focused. The feeling of pleasure can last for several minutes, leading the smoker to want to continue smoking to feel that pleasure again.Therefore, smokers feel more relaxed after a cigarette partly because of the chemical nicotine that is present in tobacco. The nicotine stimulates the release of neurotransmitters such as dopamine and serotonin that create a pleasurable experience in the smoker's brain. It leads to a feeling of relaxation, calmness, and euphoria.
Smoking is not a healthy habit. It can cause severe damage to the human body, including various types of cancer, heart disease, and other health problems. While nicotine can create feelings of pleasure and relaxation, the long-term health risks associated with smoking are far greater than the short-term benefits. Therefore, it is better to avoid smoking cigarettes and other tobacco products to protect your health and well-being.
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Name the type of classifications of tissue formed by combination of cell.
a) Red Blood Cell:
b) Muscle Cell:
c) Nerve Cell:
Answers
Answer:
its (a)
Explanation:
A tissue is a group of red blood cells of common origin which are structurally similar and perform a particular function. Organ is a group of tissues and organ system is a group of organs.Therefore, the correct answer is option A.hope it helps you.pls mark me as branliestWhich option identifies what the florist should save, rather than prune away in the following scenario?
A florist is trying to reduce the flowers that will grow on a rose bush, so that the remaining flowers will
be larger and will grow on long central stems suited to cutting.
O terminal bud <
O spur
O lateral bud
O Crown <
Note: it’s either A or D
Answers
A florist is trying to reduce the flowers that will grow on a rose bush , so that the remaining flowers will be larger and will grow on long central stems suited to cutting therefore the florist will save the terminal bud and is denoted as option A.
What is Terminal bud?This is the type of bud which is located as the ape-x of the stem and is responsible for all of its new growth. This is therefore the reason why it is known as the main bud of the plant.
In a situation whereby the florist wants to reduce the flowers that will grow on a rose bush, so that the remaining flowers will be larger, the florist will save the terminal bud which is therefore the reason why option C was chosen as the most appropriate choice.
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When conditions are right the virus removes itself from the host cell DNA and enters the _____ _____ then kills the host cell.
where does the virus enter
Answers
Answer:
Enveloped viruses enter the host cell by fusing either with the plasma membrane or with the endosomal membrane following endocytosis.
Explanation:
When the virus is inside the cell, it will open up so that its DNA and RNA will come out and go straight to the nucleus. They will enter a molecule, which is like a factory, and make copies of the virus. These copies will come out of the nucleus to be assembled and receive protein, which protects their DNA and RNA.
what type of hormone-receptor action allows insulin to move glucose into cells?
Answers
Insulin acts through a tyrosine kinase receptor, allowing it to stimulate glucose uptake into cells by activating downstream signaling pathways that promote the translocation of glucose transporters to the cell surface.
Insulin is a peptide hormone that regulates glucose metabolism in the body. It exerts its effects by binding to specific insulin receptors on the surface of target cells, such as muscle, liver, and adipose tissue. The binding of insulin to its receptor triggers a signaling cascade inside the cell that ultimately results in the translocation of glucose transporter proteins, such as GLUT4, from intracellular vesicles to the cell surface.
This allows glucose to enter the cell and be used for energy or stored as glycogen. This process is known as insulin-mediated glucose uptake and is an important mechanism for regulating blood glucose levels. Insulin resistance, which occurs when cells become less responsive to insulin, can lead to elevated blood glucose levels and is a hallmark of type 2 diabetes.
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What is the strength and direction of the correlation between x and y?
OSmall positive linear association
Small negative linear association
O Small positive non-linear association
O No association, since when one variable changes, it does not influence the other
< Previous
Answers
the last one
hope this helps :-)
Below are some events that take place during cell division? Which would be the correct order?
I. Chromosomes line up at the equatorial plane
II. Chromosomes condense, becoming shorter and thicker
III. Chromosomes have long and nuclear membrane forms around them
IV. Centromeres divide and the chromosomes move to the opposite poles
a. 2-1-4-3
b. 3-4-1-2
c. 1-3-2-4
d. 4-1-2-3
Answers
The correct order of events during cell division is: 3-4-1-2, the correct option is b.
During cell division, several key events occur in a specific order.
Chromosomes have long and nuclear membrane forms around them: Before cell division occurs, the chromosomes within the nucleus start to undergo changes. Centromeres divide and the chromosomes move to the opposite poles: At this stage, the centromeres, which hold the sister chromatids together, divide. Chromosomes line up at the equatorial plane: Once the chromosomes have reached the opposite poles of the cell, they align themselves along the equatorial plane or the metaphase plate. Chromosomes condense, becoming shorter and thicker: In this step, the chromosomes further condense, becoming even shorter and thicker.Thus, the correct order, b. 3-4-1-2, accurately represents the sequence of events during cell division.
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a pink or red rash that can appear on the chest or breasts during sexual arousal is known as:
Answers
A pink or red rash that can appear on the chest or breasts during sexual arousal is known as sex flush.
Flushing is often a red mark on the face or on other areas of the body that happens due to various physiological conditions. It is also a mark of carcinoid syndrome.
Sex flush is the increased flow of the blood of the skin and can occur in all the four phases of human response cycle. During female sex flush pinkish red dots appear under the breast and then it spreads to all over the breast, torso, face, hand, and sole of feet.
The sex flush disappears soon after a person reaches orgasm but very often it may take typically 2 to 4 hours for these signs to disappear.
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Is the escape of a rattlesnake from a zoo exhibit an example of an invasive species?
Answers
Answer:
No, it isn't
Explanation:
An invasive species is characterized by an organism's appearance in an area it is not a native of, with a high capacity of reproduction that will cause it to be a threat to native species in that area. A species of organism is tagged "invasive" if it is foreign to a region/location and possess a high reproductive rate that spreads fast and causes harm to other species.
Based on the analogy given in this question about the escape of a rattlesnake from a zoo, it cannot be ascertained that it is an example of invasive species. This is because rattlesnakes may be native to that area and possess a zero threat level to the environment in terms of high spreading rate.
Why did Napoleon rise so quickly?
Answers
Napoleon was a well-known military leader who was incredibly charming, bold, and ambitious. This mindset and military strategies worked together to help him advance through the rise so swiftly.
Because of Napoleon extreme desire, his military victories aided him in gaining power. He approved the Napoleonic Code, instituted policies to stimulate the economy, and established a public school system. He began to wage wars against his neighbors in an effort to subjugate them and modernize Europe. He uses the dogs to chase Snowball, his main rival, off the property. Napoleon used a range of tactics to keep his power and influence.
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Napoleon was a well-known military leader who was incredibly charismatic, bold, and ambitious. This mindset, coupled with his brash manner and cunning yet unconventional military strategies, let him to advance through the ranks so swiftly and finally become Emperor of France in 1804.
Additionally, Napoleon was able to establish some political ties, in part because to his siblings and later his wife. Napoleon had much less command and combat experience when appointed to the Army of Italy than his immediate subordinate divisions commanders, who had stronger cases for leading the army in terms of strict merit, and he actually owed much of his rapid rise to the command of the Army of Italy to these political connections rather than ability.
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Binary fission can sometimes be advantageous in evolutionary processes, allowing new daughter cells to adapt to different environments.
Which of the following MOST LIKELY leads to a possible advantageous change during binary fission?
Answers
Possible answers:
A= DNA Replication
B= Crossing over
C= A mutation
D= Meiosis
Answer:
C
Explanation:
DNA replication should copy the DNA exactly, so should not produce any changes to the DNA sequence.
Crossing over does not occur in prokaryotes, it only occurs in eukaryotes. The same is true for meiosis, it does not occur in prokaryotes as it is a specialized type of cell division that creates gametes in multicellular organisms
Mutations create changes to the DNA sequence. By chance, occasionally these changes can be beneficial and give the new cell an evolutionary advantage. For example resistance to antibiotics, or an ability to digest a new nutrient.
multicellular organisms ensure that most proteins are produced at appropriate times and in appropriate cell types via the regulation of the that encode these proteins.
Answers
By controlling the expression of the genes encoding these proteins, multicellular organisms make sure that the majority of proteins are created when necessary and in the right cell types.
Why are the genes that are expressed at any given time in multicellular eukaryotes required to be regulated?Conserving energy and space is achieved through the regulation of gene expression. Since expressing every gene would cost a large amount of energy from the organism, turning on the genes just when necessary would be more energy-efficient.
What controls the creation of proteins?Most proteins can be modified covalently or by joining with other molecules after they have been produced, allowing them to be controlled in response to signals from the extracellular environment. Differential rates of protein cleavage can regulate the amount of proteins in cells.
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advantages to using a punnet square
Answers
Answer:
One advantage of Punnett squares as a model of inheritance is that a Punnett square summarizes how the processes of meiosis and fertilization contribute to inheritance of different alleles of a gene.
John's baptism of Jesus was different from his baptism of other people because:
Jesus was the last person John baptized
Jesus was the first person John baptized
John baptized unto the remission of sin, but Jesus had no sins to remit
Jesus was baptized in the Jordan River, John usually baptized in the Sea of Galilee
Answers
Answer:
John baptized unto the remission of sin, but Jesus had no sins to remit
Hope this helps:)
Congenital analgesia is a rare autosomal recessive trait. What is the likelihood that the first two offspring of a cross between two unaffected parents heterozygous for the congenital analgesia trait will have congenital analgesia
Answers
The likelihood that the first two offspring of the cross will have congenital analgesia would be 1/16
Autosomal Recessive TraitsFor autosomal recessive traits, two recessive alleles are needed for the trait to manifest while one recessive allele means heterozygosity.
In this case, let us assume that congenital analgesia is represented by the allele b; heterozygous individuals will, thus, be Bb.
Bb x Bb
BB Bb Bb bb
Probability of producing unaffected offspring = 3/4
Probability of producing affected offspring = 1/4
Likelihood of the first two offspring having congenital analgesia = probability of first having congenital analgesia and the second having congenital analgesia
= 1/4 x 1/4
= 1/16
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which of the statements correctly contrasts anabolic and catabolic pathways?anabolic pathways are exothermic, whereas catabolic pathways are endothermic.anabolic pathways are aerobic, whereas catabolic pathways are anaerobic.anabolic pathways are biosynthetic, whereas catabolic pathways are degradative.anabolic pathways are exergonic, whereas catabolic pathways are endergonic.
Answers
The statement that correctly contrasts anabolic and catabolic pathways is: (3) Anabolic pathways are biosynthetic, whereas catabolic pathways are degradative.
Anabolic pathways are biosynthetic that means they are involved in the formation of molecules. The process combines smaller molecules to form large macromolecules. This process usually requires the input of energy. It is a part of metabolic reactions. The example is synthesis of glycogen from glucose.
Catabolic pathways are also a set of metabolic reactions. It is a degradative pathway because it breaks the large macromolecules into smaller units. The pathway usually releases energy. The examples are glycolysis, beta oxidation, etc.
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what property of the atmosphere most determines whether pollutants get blown away or become trapped locally
Answers
Stability is the property of the atmosphere that most determines whether pollutants get blown away or become trapped locally.
What is a pollutant?A pollutant is any type of contaminant substance and/or material that is found in the air, water or soil.
In the air, the main pollutant is carbon monoxide, which is a highly toxic contaminant substance.
This substance (carbon monoxide) can cause serious harm to the health of humans and animals.
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Know me and you will know yourself relates to dna
Answers
The correct answer is the riddle is DNA.
DNA is in every person and helps identify a person and their genes.DNA contains the instructions that organisms need to develop, survive, and reproduce. These tests analyze a sample of a person's DNA and look for specific changes associated with various medical conditions. Test results often help doctors diagnose and predict a person's risk of developing a disease.
Other DNA tests on her can tell you if you have a predisposition for certain traits. Scientists estimate that 20-60% of temperament is genetic. However temperaments do not have distinct inheritance patterns, nor are there specific genes that confer specific temperament traits. They carry information about who you are and what you look like curly or straight hair long or short legs and even the way you smile and laugh.
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explain why the respiratory surface has to be thin
Answers
genetic variation within a single species is a(n) ________ measure of biodiversity.
Answers
Genetic variation within a single species is a fundamental measure of biodiversity. It represents diversity of genetic traits or variations that exist among individuals within a particular species.
Genetics is the branch of biology that studies heredity and the variation of inherited traits in living organisms. It encompasses the study of genes, which are segments of DNA responsible for encoding specific characteristics. Genetic research investigates how traits are inherited, how genes function and interact, and how genetic variations arise and are passed on through generations. The field of genetics plays a crucial role in understanding the molecular basis of traits, genetic disorders, evolution, and the development of biotechnology and genetic engineering applications.
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How does diabetes affect the blood flow in the cardiovascular system?A)speed up the flow by increasing heart rateB)speed up because of the increase in insulin)slow down due to a thickening of the arteries)slow down due to increase of triglycerides in the blood
Answers
slow down due to increase of triglycerides in the blood.
Which development in technology led to new scientific research about possible ways to restore populations of endangered species?
A. Cloning technology
B. Gene editing
C. Herbicides
D. Prosthetic limbs
Answers
According to the research, the correct option is Cloning technology. Cloning is a technology that helps new scientific researchers to restore populations of endangered species.
What is cloning technology?It is the technology that aims to reproduce the organism by duplicating the genome, that is, duplicating a certain gene, tissue or piece of DNA.
In this sense, it allows to obtain animals of high productive value and with better zootechnical conditions, focusing on the conservation of the DNA of the species, that is, first the DNA is extracted from an animal cell and introduced into an ovule emptied of genetic material, through these techniques, it is sought to prevent some animal species in danger of extinction from disappearing from the territory.
Therefore, we can conclude that according to the research, the correct option is Cloning technology. Cloning is a technology that helps new scientific researchers to restore populations of endangered species.
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21. The diagram below represents a sequence of events that occurs in living things.
х
are digested into
Smaller molecules
which can be synthesized into
Fat
Starch
Protein
DNA
Letter X represents
Inorganic molecules
O organic molecules
O biological catalysts
O simple sugars
Answers
Answer: b
Explanation:
All the smaller molecules are made up of the organic elements
The study of a living being is called biology.
The correct answer is B.
The process of conversion of a large molecule into a smaller molecule with the help of an enzyme is called digestion. The enzyme converts the organic and complex molecules to the simpler molecule which helps in absorption and later on is used up to form ATP.
According to the question, the larger molecule which is an organic molecule is breakdown into smaller molecules.
Hence, the correct answer is B that is an organic molecule.
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Warm air rises and takes heat with it; eventually it cools and sinks.
If the symbol "arrow" means "are made of", which of the following answer choices correctly demonstrates the relationship between the given
terms?
A. Organ Systems → Organs Tissues → Cells
B. Cells → Tissues → Organs → Organ Systems
C. Organ Systems → Organs Cells + Tissues
D. Tissues → Organ Systems + Cells - Organs
Answers
Hope this helps *smiles*
Answer:
Answer A
Explanation:
The answer is A, because I am pretty sure we all learned this in 3rd-4th grade!
Cells make up everything! therefore cells should be at the end. Everything is made up of cells, because cells form everything in our bodies.
Tissues are made of cells, and organs are made of tissues. therefore, our statement is now : cells make up tissues, and tissues make up organs.
The last one should be pretty obvious, Organ systems are definitely made up of organs!
this means that our final statement is:
Organ systems are made of organs, organs are made of tissues, and tissues are made of cells.
Hope this helps!
And always remember common knowledge you learned in elementary school, it comes along handy!
And Is Polygenic Inheritance Is Controlled By _____ and is ____ a. Pleiotropic Alleles : Qualitative b. Additive Alleles: Quantitative c. Multiple Alleles : Quantitative d. Additive Alleles: Qualitative Multiple Alleles: Qualitative
Answers
Polygenic inheritance is controlled by additive alleles and is quantitative. Therefore, the correct answer is option b. Additive Alleles: Quantitative.
In polygenic inheritance, multiple genes control the expression of a single trait. These genes are called additive alleles because they contribute to the phenotype in an additive manner. For example, if a trait is controlled by three genes, each with two alleles, an individual could have up to six alleles contributing to the phenotype. This results in a wide range of possible phenotypes, which is why polygenic inheritance is considered quantitative.
In contrast, qualitative traits are controlled by a single gene or a small number of genes, and result in a limited number of phenotypes. Examples of qualitative traits include blood type and Mendelian traits like eye color.
So, to summarize, polygenic inheritance is controlled by additive alleles and is quantitative in nature.
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PLS HELP IT’S DUE TODAY
Answers
Genes linked on the same chromosome tend to be inherited together, violating the principle of independent assortment.
What is the effect of crossing over?The relative position of genes is determined by calculating the frequency of crossing-overs between genes located on the same chromosome. The closer two genes are located to each other on a chromosome, the lower is the probability that the independent distribution in the next generation violates the principle of the opposite chromosomes.
Crossing-over between them is highly likely, resulting in the formation of recombinant chromosomes. The phenotype resulting from a genotype is determined by the same distribution.
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Necesito una opinión breve sobre la violencia doméstica. POR FAVOR, la necesito breve.
Answers
Answer:
La violencia doméstica (también conocida como violencia familiar) ocurre cuando alguien usa la violencia o la manipulación para mantener el poder y el control sobre alguien cercano. Puede implicar violencia, intimidación, amenazas, insultos o manipulación psicológica. No es aceptable en ningun lugar del mundo en ninguna circunstancia. La personas que han sufrido Violencia Domestica deben buscar por apoyo cuanto antes.
Explanation:
Which mRNA codon usually signals the beginning of protein synthesis
Answers
Answer:
Codon AUG
Explanation:
The first AUG in an mRNA's coding region is where translation into protein begins