The advantage of segmentation in segmented worms over non-segmented worms is strong and flexible movement.
Segmented worms are worms that have a segmented body with repeating units. Unsegmented worms are worms that do not have segmentation.
The main advantage of segmented worms over unsegmented worms is that segmentation allows these worms to move freely.
Each segment has its nerve and muscle tissue. Each has bristles called setae. When a worm moves through dirt, the bristles or setae aid in anchoring and controlling it.
While the other portion of the worm's body protrudes forward, the bristles firmly anchor one part of the worm to the ground.
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Which of the following characteristics are true about sharks? (Mark all that apply.)
a. Receptors along the shark's sides are sensitive to touch, vibration, currents, sound, and pressure.
b. Sharkskin is extremely abrasive, like sandpaper.
c. Sharks have an acute sense of smell.
Following characteristics are true about sharks:
a. Receptors along the shark's sides are sensitive to touch, vibration, currents, sound, and pressure.
b. Sharkskin is extremely abrasive, like sandpaper.
c. Sharks have an acute sense of smell.
Although there are more than 400 different species of shark in the ocean, they all have a similar fundamental structure. Sharks are distinguished from other species of aquatic life, such as whales and dolphins, by their astounding anatomy, which was expertly constructed by evolution.
You may get a peek of the evolutionary adaptations that have made sharks the perfect predators they are today by understanding the shark anatomy.
Despite the fact that there are hundreds of shark species, there are several universal traits that set them apart from their nearest cousins, rays and chimeras.
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How is it exactly that plants grow. Please Explain. Brainliest
Answer:
When plants have the right balance of water, air, sunlight and nutrients, their cells grow and divide, and the whole plant gets bigger and bigger. And that's how plants grow.
Explanation:
Answer:
Air/water/sunlight
Plants use a process called photosynthesis to turn sunlight into food in their leaves.
This is how plants grow and survive.
Explanation:
histones are proteins that can interact with some sequences of dna to help it coil into a more manageable arrangement within the nucleus. if the dna-histone interaction is mediated primarily by intermolecular bonds, which of the following is likely true of histones?
There are four styles of histones, named: H2A, H2B, H3, and H4. Customers of each kind of histone form nucleosomes. those nucleosomes are wrapped together in a spiral structure referred to as a solenoid. extra H1 proteins are related to every nucleosome as hyperlinks to maintain the general chromatin structure.
Each histone octamer consists of two copies of every of the histone proteins H2A, H2B, H3, and H4. The chain of nucleosomes is then wrapped into a 30 nm spiral known as a solenoid, wherein additional H1 histone proteins are associated with each nucleosome to maintain the chromosome structure.
The new histones are made inside the cytoplasm for the duration of the S section and are transported into the nucleus. The old histones are disassembled from DNA, probably shielded and chaperoned until they may be reassembled into nucleosomes.
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Which body system is formed by all the structures that move blood through the body?.
Answer:
The vascular system, also called the circulatory system
Explanation:
compared to opium or cocaine the prevalence of marijhuana products among patent medications during the 19th centruy was
Compared to opium or cocaine the prevalence of marijuana merchandise amongst patent medicines for the duration of the nineteenth century was much lower.
Marijuana turned into used as an all-reason medication within the 1800s. infantrymen who used heroin in Vietnam were generally capable of giving up their addiction upon going back to the united states.
The Marihuana Tax Act of 1937 basically banned it nationally in spite of objections from the American medical affiliation associated with clinical utilization. This act came just a year after the movie Reefer insanity warned dad and mom that drug dealers would invite their teenagers to jazz events and get them hooked on “reefer.”
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input from most sensory systems converge on the ________ before being relayed to the cerebral cortex.
Input from most sensory systems converge on the thalamus before being relayed to the cerebral cortex.
The secondary sensory area receives input from the thalamus, the primary sensory area, or both, whereas the primary sensory area only receives input from the thalamus. Both the sensory regions of the cerebral cortex and the thalamus provide information to the motor areas. The relay hub of the brain is the thalamus. It takes in afferent impulses from sense receptors spread out across the body and processes the data before sending it to the proper cortical region. Additionally, it controls consciousness and sleep. To specific cortical regions known as primary cortical receiving areas, the thalamus acts as a "gateway" to the cerebral cortex.
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What does natural selection mean and how and can you correlate it to our bacteria.
developmental scientists are interested in the role of culture in development. according to their findings, which of the following cultural groups is most likely to focus holistically on interrelationships rather than analytically?
East Asians tend to prefer holistic thinking to analytical thinking.
What is the difference between Holistic thinkers and Analytic thinkers?Holistic thinking is a complex study of the whole. For business organizations, holistic thinking considers their purpose, values, functions in the environment, processes and structures. It is the basis for developing business design structures, systems thinking, and strategy formation. Analytic thinking is to identify and define problems, extract key information from data, develop viable solutions to identified problems, test and validate root causes of problems, and provide solutions for identified problems You should be able to develop a solution.Analytical thinkers focus on individual objects and classify them based on their attributes. Holistic thinkers see the context as a whole and focus on the relationships between objects.
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What is the primary term used for classification of silicates, carbonates, sulfates, and oxides?
Responses:
aggregate
crystal structure
ionic bond
chemical composition
Chemical composition is the primary term used for the classification of silicates, carbonates, sulfates, and oxides.
On the basis of their chemical compositions, scientists classify minerals. Native Elements, Sulfides, Sulfates, Halides, Oxides, Carbonates, Phosphates, Silicates, and Organic Minerals were the first nine mineral classes classified in the Dana Classification System.
The arrangement, kind, and ratio of atoms in chemical substance molecules are referred to as chemical composition. When chemicals are added to or removed from a substance, when the ratio of substances changes, or when other chemical changes take place in chemicals, the composition of the substance changes.
A CHEMICAL FORMULA, which only lists the proportions of the various elements and groups of elements in the mineral, can be used to describe the composition of a mineral.
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A mutation in a gene leads to a protein that is less sensitive to ubiquitin. Compared with the normal version of this gene, we should expect to see _______ of the _______ of the mutant in the proteasome.
A mutation in a gene ends in a protein this is less touchy to ubiquitin. as compared with the regular model of this gene, we have to expect to see less of the protein of the mutant in the proteasome.
And through the years, a lack of protein can make us lose muscle mass, which in flip cuts our energy, makes it tougher to hold our stability, and slows our metabolism. it is able to additionally cause anemia when our cells don't get enough oxygen, which makes us tired.
Proteasome (26S) is a multimeric complicated whose function is protein degradation through its endoprotease activity. Proteasome acts usually on quick-lived proteins with regulatory functions and on misfolded proteins. Protein degradation is in a specific and green manner, which depends on ATP.
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Which two statements about interactions are correct?
The option D should be correct
Restriction enzymes cleave double-stranded dna at the sites that show a particular type of symmetry; these sequences read the same on both strands and are called palindromes. Which of the sequences is not a palindrome?.
Option C) 5′-CCTCAGG-3′ is not a palindrome as it does not read the same on both the sides.
Endonucleases known as restriction enzymes sever phosphodiester bonds between adjacent nucleotides within or close to particular DNA sequences known as recognition sites. The locations on a polynucleotide strand that are recognized by a restriction enzyme for cleavage are often palindromic in nature. Option C is not a plaindrome because it's complementary strand of DNA would be 3'-GGAGTCC-5' which does not read the same.
When the polarity is maintained in both strands, DNA sequences called palindromic sequences are read in the same direction whether they are read forward or backward. Given in the picture is an example of the restriction enzyme EcoR I's recognition site which is a palindrome.
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Complete question is:
Restriction enzymes cleave double-stranded DNA at the sites that show a particular type of symmetry: These sequences read the same on both strands and are called palindromes. Which of the following sequences is NOT a palindrome?
A)5′-AGATCT-3′
B)5′-CCTGCAGG-3′
C)5′-CCTCAGG-3′
D)5′-CGGCCG-3′
E)5′-GGTACC-3′
the checkpoint proteins prevent the division of a cell that has dna or abnormalities in the chromosome .
The checkpoint proteins prevent the division of a cell that has DNA or abnormalities in the chromosome .The process of mitotic cell division encompasses mitosis, where the nucleus divides into two nuclei, and , where the mother cell divides into two daughter cells.
Chromosomes are structures determined inside the middle (nucleus) of cells that convey lengthy pieces of DNA. DNA is the fabric that holds genes. it is the constructing block of the human body. Chromosomes also comprise proteins that help DNA exist in the proper shape.
Chromosomes are the highest degree of company of DNA and proteins. the principle feature of chromosomes is to hold the DNA and switch the genetic records from mother and father to offspring. Chromosomes play an critical role for the duration of cell division. They guard the DNA from getting tangled and damaged.
And there are boys and men who have XX chromosomes. this can show up, for instance, when a gene on the Y chromosome ends up on an X chromosome, inflicting that X chromosome to function extra like a Y. There are genes on chromosomes aside from the X or Y that still contribute to sex improvement.
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Neural tissue begins as a thickening of a portion of the ectoderm that overlies the ______.
Beginning with the thickening of a section of the ectoderm that lies above the notochord, neural tissue develops.
What are notochords and what do they do?The notochord seems to be the distinguishing feature of the chordates and plays crucial roles in the development of vertebrates. It acts as a major skeletal component of the growing embryo as well as a source in midline signals that design neighboring tissues.
What materials make up a notochord?The notochord is indeed a long, rod-shaped structure that forms dorsally and ventrally of the neural tube. The glycoproteins that make up the majority of the notochord's structure are enclosed in a collagen fiber sheath that is wound into two conflicting helices. The glycoproteins are kept in turgid, vacuolated cells.
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A scientist looks into a microscope and sees that replicating chromosome pairs are lined up in the center of a cell. The scientist then sees the mitotic spindle from each side of the cell attach to a chromosome. Which mitotic phase is the scientist likely witnessing?.
The mitotic phase which the scientist is likely witnessing when the mitotic spindle from each side of the cell attach to a chromosome is referred to as the metaphase.
What is Mitosis?This is referred to as the type of cell division which involves a single cell dividing into two identical daughter cells and is a common process during the growth of cells in the body.
Mitosis has different phases such as metaphase which is characterized by the replicating chromosome pairs being lined up in the center of a cell and the mitotic spindle from each side of the cell attach to a chromosome.
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Which would be considered a somatic cell?
the goal of blood doping is to multiple choice alleviate hemochromatosis. enhance aerobic capacity. prevent blood clots. enhance immune function.
The goal of blood doping is to enhance aerobic capacity and is denoted as option B.
What is Blood?
This is referred to as the fluid in the circulatory system which is responsible for the distribution of oxygen via the heart and other vital nutrients to various parts of the body for their optimal functioning.
Blood doping on the other hand is the referred to as the process in which certain drugs or chemicals are taken in other to increase the red blood cells present in the body which increases oxygen intake by the body thereby leading to enhanced aerobic capacity.
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What defines a substantial increase in a jellyfish population within a short time?.
A jellies bloom is described as a significant rise in jellyfish numbers over a brief period of time as a function of a higher reproductive rate.
Are jellyfish toxic to humans?On the tendrils of stonefish, which earn their moniker from their shape, are the bio known as fungus spores, which are minuscule darts packed with poison. Within just a few seconds of being stung, those unhappy enough to be sprayed with this toxin may endure cardiac arrest, paralysis, and even death.
What makes jellyfish hurt people?Jellyfish utilize their sting to both catch animals and defend themselves. Their tentacles extend out and fire out spear gun contributed to the rise a neurotoxic venom when they come into contact with humans or other types of prey.
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Why is photosynthesis and cellular respiration considered a cycle?
In your 3-4 sentence response be sure to mention the following:
Reactants of the equations
Products of the equations
How the product is being made
Answer:
A cycle is a recurrent series of events. Photosynthesis and cellular respiration is considered a cycle due to the products of one process serving the reactants of the other. Photosynthesis: Glucose+oxygen makes carbon dioxide+water. Respiration: Carbon dioxide+water makes glucose+oxygen.
a gardener is concerned that her greenhouse is getting too hot from too much light and seeks to shade her plants with colored translucent plastic sheets, the color of which allows passage of only that wavelength. what color should she use to reduce overall light energy but still maximize plant growth? a gardener is concerned that her greenhouse is getting too hot from too much light and seeks to shade her plants with colored translucent plastic sheets, the color of which allows passage of only that wavelength. what color should she use to reduce overall light energy but still maximize plant growth? orange blue green any color will work equally well. request answer
If she wants to minimize overall light energy while maximizing plant development, she should utilize blue.
How do you refer to light energy?
When an object is heated, electromagnetic radiation is produced, which is a type of kinetic energy connected to electromagnetic radiation. This electromagnetic radiation is known as light energy. both natural sources, such as the sun, and man-made objects, like as lasers and lightbulbs, can be used as the source.
Light system: what is it?
An intelligent promote efficient of devices for controlling lights is referred to as a lighting control system. relays, monitoring devices, photocells, light switch or touchscreen controls, and signals from many other building systems are some examples of these gadgets.
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Based on your knowledge of microbial genetics and microbial pathogenesis, where do you think is/are the likely location/s of the genetic information for e. Coil shiga exotoxins?.
Most Shiga-toxin-producing Escherichia coli (STEC) strains implicated in severe diseases such as hemolytic uremic syndrome (HUS) carry the large enterohemolysin-encoding (ehxA) plasmid. B. pO157 and pO103 contributing to the clinical presentation of STEC.
What is Shiga Toxin?The toxin is named after Kiyoshi Shiga, who first described the bacterial origin of dysentery caused by Shigella dysenteriae. Shiga toxin (Stx) is a protein exotoxin expressed by the Gram-negative bacterium Shigella dysenteriae serotype 1.
You can get STEC by eating products that are contaminated with the bacteria. The bacteria live in the intestines of healthy cows and can contaminate meat during slaughter. Infection is most commonly caused by consumption of contaminated food, especially raw or undercooked meat. occurs by
Shiga toxins are a family of related toxins with two major groups, Stx1 and Stx2, expressed by genes that are thought to be part of the lambdoid prophage genome.
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Pls help I’ll give you 24 points
anaerobic and aerobic power training programs are designed to train the three metabolic energy systems: the atp-pcr system, the anaerobic glycolytic system, and the oxidative system. when training is adapted to train one or two of these systems, that is in-line with what principle of training?
Your body's physiological reaction to training is adaptation. The process through which the body becomes acclimated to a specific exercise or training regimen through repeated exposure is referred to as the principle of adaptation.
Why is the ATP PCr system crucial?Since the PCr/CK system generates a lot of ATP, it is crucial during periods of high metabolic demand, such intense physical activity, when the rate of ATP use exceeds the rate at which other metabolic pathways can produce it.
The glycolytic system: How does it function?The glycolysis system, which is similarly anaerobic, breaks down carbs into glucose or glycogen in order to resynthesize ATP. Carbohydrates are the only micronutrient that can be broken down without oxygen. This mechanism actually separates into rapid and slow glycolysis.
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A nurse is admitting a child who has leukemia and a critically low platelet count. Which of the following precautions should the nurse initiate?
A. Neutropenic
B. Bleeding
C. Contact
D. Droplet Rationale
Answer: bleeding
Explanation: because low platelets means the pt will have slow or no clotting factors which will cause them to continue bleeding when they have a cut.
A nurse is admitting a infant who has leukemia and a severely low platelet count then bleeding is the precautions the nurse ought to initiate. accurate alternative is B. Bleeding.
There are 3 foremost styles of bleeding: arterial, venous, and capillary bleeding. Arterial bleeding happens withinside the arteries, which delivery blood from the coronary heart to the body. Venous bleeding takes place withinside the veins, which convey blood lower back to the heart. Capillary bleeding takes area withinside the capillaries, which are tiny blood vessels that join the arteries to the veins.
Bleeding from the arteries and veins may be severe. When this happens, it is important for someone to acquire instantaneously scientific interest. However, capillary bleeding is the maximum not unusualplace form of bleeding, and it's far typically easy Trusted Source to govern via the utility of strain. Applying strain also can assist with arterial and venous bleeding, at least initially. However, human beings want instantaneously scientific interest in those cases.
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which of the following is true of both dna replication and transcription? select all that apply. group of answer choices the new polymer grows from 5' to 3'. the bonds connecting the monomers are phosphodiester bonds. energy is not required to connect the monomers. the template is dna. the monomers are nucleotides.
All the statements are true for both transcription and DNA replication except option C: energy is not required to connect the monomers.
The given statements are all true for both transcription and DNA replication as the new polymer chain grows from 5' to 3'. These chains are made up of monomers called nucleotides. The chain that results after the joining of nucleotides is called a polynucleotide. Energy is obviously needed in every task to perform by the cell, which is generally used in the form of ATP. Thus, only option C in not true.
Due to the fact that when two DNA or RNA sequences are aligned anti-parallel to one another, the nucleotides bases at each position in the sequences will be complementary or like mirror images, the principle of complementarity controls both transcription and DNA replication.
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mumans, the CFTR gene is responsible for a protein that regulates the components of sweat, digestive fluids, and mucus. Individuals with a mutated version of this gene develop cystic fibre
me following research questions would provide the best data for clarifying the role of DNA in the development of this disease?
What environmental factors stimulate or slow the production of sweat, digestive fluids, and mucus?
is cystic fibrosis present in individuals who have a normal, non-mutated copy of the CFTR gene?
Are the components of sweat, digestive fluids, and mucus significantly different in individuals with cystic fibrosis?
What is the current rate of the development of cystic fibrosis in the human population and has this changed over time?
The research question that would provide the best data for clarifying the role of DNA in the development of this disease is: Is cystic fibrosis present in individuals who have a normal, non-mutated copy of the CFTR gene.
The CFTR (cystic fibrosis transmembrane conductance regulator) gene is present in every human being in two copies. To have cystic fibrosis, a person must inherit two mutant copies of the CFTR gene, one from each parent.
CFTR is a complex protein that is present on the cell surface membrane in a number of tissues and serves as a controlled chloride ion channel. On the apical membrane of the cells lining the airways in the lung, CFTR is present.
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which of the statements can be concluded from gregor mendel's experiments with pea plants?
a. Offspring inherit two alleles per gene from each parent.
b. The inheritance of alleles of one gene does not affect the inheritance of alleles of another gene.
c. For a given trait, two heterozygous parents produce offspring with three possible phenotypes.
d. Only one allele determines the phenotype in heterozygous individuals.
Answer: b. The inheritance of alleles of one gene does not affect the inheritance of alleles of another gene.
Explanation:
impervious surfaces do not absorb water very well. Which of these would be considered an impervious surface? A. parking lot B. sandy beach C. grassy hills
Sandy beaches do not effectively absorb water.
What about impervious surfaces?Impervious surfaces are those that permit little or no infiltration of rainwater into the earth. Impervious surfaces are entirely man-made and, except from exposed natural rock cropping, constitute an artificial component of most ecosystems. Basically, water cannot soak naturally into the ground in constructed regions with large amounts of impermeable surfaces; instead, it rushes over the landscape, bringing pollution and biological contaminants into our rivers, harming fish, wildlife, and people. All hard surfaces, including paved roads, parking lots, roofs, and even densely compacted soils like sports fields, are referred to as "impervious surfaces." Residential roofs, public buildings, parking lots, commercial buildings, and bedrock near the soil's surface are a few examples of impermeable surfaces. Impervious surfaces are generally understood to include heavily compacted soils, concrete, asphalt, roofs, and other construction materials. Impervious surfaces include places like concrete patios, paved roads, driveways, sidewalks, and roofs because they are unable to absorb water. Perviousness is the capacity of a surface to let water pass through a substance. Pavement is impermeable but sand is not. Water will flow off an impervious surface until it encounters a previous surface because water cannot penetrate an impervious surface (such as a lawn).Learn more about impervious surface here:
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Answer: Parking lot
Explanation:
Genes that influence weight Match each of the following genes to show their association with weight. Answer choices may be used more than once or not at all 0.5 points Associated mostly with those of European populations Associated with lower rates of heart disease despite obesity ssociated with|May result in obesity obesity at a youngwith high-fat diets eBook May impact body mass index age FTO SH2B1 LCTrs4988235
Genes that influence weight there are:
FTO gene (alpha-ketoglutarate dependent dioxygenase).SH2B1 gene (protein coding)LCT rs4988235 gene (Association of Lactase Persistence Genotypes)What genes that influence weight to the body?The LCT gene performs a normal function. The LCT gene encodes instructions for the production of a lactase enzyme. This enzyme aids in the breakdown of lactose, a sugar found in milk and other dairy products. Lactase is produced by cells that line the small intestine's walls.The SH2B1 gene encodes a member of the SH2-domain containing mediators family. The encoded protein mediates kinase activation and may be involved in cytokine and growth factor receptor signaling as well as cellular transformation.Protein associated with fat mass and obesity, also known as alpha-ketoglutarate-dependent dioxygenase (FTO) which is an enzyme that is encoded by the FTO gene in humans. Variations in the FTO gene are also linked to an increase in body fat composition, metabolite parameters, and metabolic abnormalities associated with obesity, such as type 2 diabetes mellitus. Other genes are involved in the process of regulating food intake and energy expenditure, which underpins the increase in body fat.Learn more about genes that influence weight here: brainly.com/question/17608974
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Humans are the only host of guinea worms. Successful eradication programs will mean the
extinction of the guinea worm. What is your opinion about humans causing the deliberate
extinction of a living organism?
One of the defining aspects of human existence is our encounters with wildlife. Both good and negative interactions may occur. In addition to eradicating harmful species, coopting and domesticating useful species, and using a variety of social, behavioural, and technical measures to limit unpleasant interactions with wildlife, people compete with wildlife for food and resources.
Numerous species have been reduced or eliminated as a result of this battle, along with the untold number of human casualties and financial losses. There have been an increasing number of successful conservation and coexistence outcomes as a result of recent developments in our understanding of conflict. I list and analyse the causes of conflict, strategies for resolving disputes peacefully, and the most recent trends and discussions.
What is living organism?
Any object that exhibits all the traits of life, including growth, reproduction, and nutrition, is said to be living. A live object is defined as an organism.
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