The amount of body fat stores have a role in the set point when considering the biology of weight.
is calculated to get a weight-to-height ratio by dividing weight by height.A person's BMI is determined by dividing their height in meters squared by their weight in kilograms (BMI = kg/m2). A helpful indicator of obesity and body fat percentage is BMI. The normal BMI ranges for children and adults are different.
What are the self determination theory's three fundamental organismic needs?According to self-determination theory, human development is driven by the three essential psychological needs of autonomy, competence, and relatedness.
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which skeletal muscle is innervated by the accessory nerve, originates on the occipital bone thoracic vertebrae, and inserts on the clavicle and scapula?
Trapezius skeletal muscle is innervated by the accessory nerve, originates on the occipital bone thoracic vertebrae, and inserts on the clavicle and scapula.
Trapezius skeletal muscle is the triangle shaped muscle present in posterior of the body. Vertically it begins from skull and ends at vertebral column and horizontally it reaches both the shoulders. The XI cranial nerve is the accessory spinal nerve.
The accessory nerve is curved and plays crucial role in movement of neck and shoulder. Also, it performs communication and signalling between brain and larynx, soft palate and pharyngeal constrictors.
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why are there fewer trna anticodons than the 61 needed to match each mrna codon that codes for an amino acid?
There is some flexibility in pairing between the 3' base of the codon and the 5' base of the anticodons.
The typical genetic code uses fewer than 61 transfer RNAs to convert 61 codons into 20 amino acids (tRNAs). This is made feasible by the tRNA's capacity to "wobble" at the third nucleotide in order to decode several codons. Although the anticodon-codon mapping of tRNA to mRNA is a need for some codon usage indices and can help us understand the development of different genetic codes, such assays are frequently too expensive and complex to detect experimentally. Instead, using the wobble laws and theoretical deductions about nucleotide binding, the codon reading is approximated. Unfortunately, all of the subtleties of codon reading are not covered by these principles. This study examines the tRNAs' ability to read codons and how evolution has affected codon usage
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blood type in humans follows a multiple allele inheritance pattern. there are three alleles for blood type in the human population, and each person only carries two of those three alleles within their genome. one allele is inherited from the father, and the other allele is inherited from the mother. the a-type allele, ia, is codominant with the b-type allele, ib, which are both completely dominant to the recessive o-type allele, i. these alleles combine to create one of four phenotypes, type a blood (either genotype iai or iaia), type b blood (either genotype ibi or ibi), type ab blood (genotype iaib), and type o blood (genotype ii). a mother with type a blood has a son with type o blood. identify the genotype that the father must have in order to produce this child. (1 point)
The system is made up of three alleles: A, B, and O. Because A and B are both dominant in regard to O, blood group A might have the genotypes AA or AO. The genotype of blood group B might be BB or BO.
Human blood type is determined by three distinct alleles: A, B, and o. People who inherit the A allele produce A antigens. Persons who inherit B alleles produce B antigens, while people who inherit O alleles produce no antigens. The A and B alleles work together to generate type AB blood, and both are dominant over the O allele.
Multiple allele inheritance occurs when a characteristic contains three or more different alleles. An example of this is the human ABO blood type alleles/trait.
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visceral reflex arcs do not control: question 24 options: blood pressure. heart rate. digestion. voluntary muscle functions
Visceral reflex arcs do not control voluntary muscle functions.
Visceral reflexes necessitate a glandular or non-skeletal muscular reaction performed in internal organs like the heart, blood vessels, or structures of the GI tract.
To elicit their actions, they use neurons of the autonomic nervous system. Sneezing, coughing, swallowing, vomiting, pupil dilation, and contraction of smooth muscles of hollow organs in various organ systems are examples of visceral reflexes.
The autonomic nervous system branch of the visceral reflex arc commences with the central neuron's projection along the preganglionic fiber. This fiber then connects to a ganglionic neuron and projects to the intended effector.
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__ attached to proteins, stick out from the plasma membrane to define the cell's characteristics and help identify chemical signals. Might help fighting cells to recognize and attack a potentially harmful cell.
Carbohydrate groups attached to proteins, stick out from the plasma membrane to define the cell's characteristics and help identify chemical signals.
Carbohydrate groups are present only on the outer surface of the plasma membrane and are attached to proteins, forming glycoproteins, or lipids, forming glycolipids.Carbohydrates are divided into four major groups based on the degree of polymerization: monosaccharides, disaccharides, oligosaccharides, and polysaccharides.Carbohydrates are probably the most abundant and widespread organic substances in nature, and they are essential constituents of all living things. Carbohydrates are formed by green plants from carbon dioxide and water during the process of photosynthesis. Carbohydrates serve as energy sources and as essential structural components in organisms; in addition, part of the structure of nucleic acids, which contain genetic information, consists of carbohydrate.
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A scientist discovered a creature that consumes other organisms for energy. this would be classified as what type of organism?
A creature that consumes other organisms for energy would be classified as a heterotroph.
Heterotrophs are organisms that cannot produce their own food and must obtain energy and nutrients by consuming other organisms. This is in contrast to autotrophs, which are organisms that can produce their own food through processes such as photosynthesis or chemosynthesis. There are several different types of heterotrophs, including herbivores (plant eaters), carnivores (meat eaters), and omnivores (animals that eat both plants and animals). The classification of a particular heterotroph will depend on its diet and the specific organisms it consumes. In summary, a creature that consumes other organisms for energy would be classified as a heterotroph.
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the period when reliance on domesticated plants and animals replaced foraging as the dominant subsistence strategy is known as the:
the period when reliance on domesticated plants and animals replaced foraging as the dominant subsistence strategy is known as the Neolithic Revolution.
The Neolithic Revolution, also known as the Agricultural Revolution, was the large-scale transformation of several human cultures during the Neolithic era from a hunting and gathering lifestyle to one based on agriculture and settlement, allowing for an increasingly large population.
The following were the three consequences of the Neolithic Revolution: Permanent settlements are being established in large numbers. Plant and animal domestication. Improvements in agricultural, military, and artistic tools.
Most archaeologists believed that the sudden blooming of civilization was largely driven by changes in the environment: a gradual warming as the Ice Age ended, which enabled some individuals to start cultivating plants and herding animals in vast quantities. One segment of humanity abandoned foraging in favor of agriculture.
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while there are many ways to define a species, the most common definition of a species is
A group of people who regularly or potentially interbreed in nature is referred to as a species.
What is species?The biological species idea, which is the definition of a species that is most frequently used, states that a species is a group of creatures that has the potential to interbreed with one another in order to generate live, fertile offspring.
According to this definition, it is necessary for members of the same species to be able to interbreed. They don't necessarily have to belong to the same interbreeding group in reality, though. For instance, a dog in Australia and a dog in Africa are unlikely to meet, but if they did, they might have puppies.
According to the biological species idea, a collection of organisms must interbreed successfully to generate healthy, viable offspring in order to be regarded as a single species.
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what is the definition of epigentics? multiple choice a single gene having multiple phenotypic effects
The term "epigenetics" is Gene expression alterations that are reversible are transferred from cell to cell
Epigenetics is the study of how particular genes or proteins linked with particular genes are altered chemically in an organism. How genes are expressed and utilised by cells can be defined by epigenetic changes. Epigenetics is the study of how environmental factors and behavior may alter how your genes function. While epigenetic alterations are reversible and do not alter your DNA sequence like genetic changes do, they can alter how your body interprets a DNA sequence. The frequency or timing of protein synthesis from your genes' instructions is referred to as gene expression.
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which include fats, store energy that can be broken down to yield large amounts of energy.
Answer:
subcutaneous fat
suncutaneous
muscles inserts into the medial aspect of the base of the proximal phalanx of the 2nd toe and its extensor expansion?
1st dorsal interosseous muscles inserts into the medial aspect of the base of the proximal phalanx of the 2nd toe and its extensor expansion.
According to human anatomy, the interphalangeal joints of the index, middle, and ring fingers, as well as the metacarpophalangeal joints, can extend and flex thanks to the four muscles collectively known as the dorsal interossei (DI). They also assist in separating the fingers from the centre of the hand (ray of middle finger). There are four dorsal interossei on each hand. They are distinguished from the palmar interossei, which are located on the anterior side of the metacarpals, by the term "dorsal." The metacarpal bone is one of the two adjacent metacarpal bones from which each bipennate dorsal interosseous muscle that is implanted in the finger emerges.
The complete question is:
Which of the following muscles inserts into the medial aspect of the base of the proximal phalanx of the 2nd toe and its extensor expansion.
a. 2nd dorsal interosseous
b: 1st plantar interosseous
c: 1st dorsal interosseous
d. 2nd plantar interosseous
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Would you be safer from a violent, explosive eruption while vacationing in Arizona Near a cinder cone or while skiing in the Andes Mountains of South America?
Answer:
Cider cones
Explanation:
Because they only erupted once, and they are less explosive.
if a set of instructions that determines all of the characteristics of an organism is compared to a book, and a chromosome is compared to a chapter in the book, then what might be compared to a paragraph in the book? select one: a. a starch molecule b. a dna molecule c. an amino acid d. an egg
A DNA molecule (b) might be compared to a paragraph in the book.
The molecule that carries the genetic information necessary for an organism's growth and operation is called deoxyribonucleic acid, or DNA for short. The double helix form of DNA is made up of two connected strands that spiral around one another to resemble a twisted ladder. The backbone of each strand is composed of alternating deoxyribose and phosphate groups.
Adenine (A), cytosine (C), guanine (G), or thymine are the four bases that are joined to each sugar (T). The bases form chemical connections with one another, adenine with thymine and cytosine with guanine, which bind the two strands together. Biological information, such as the directions for constructing a protein or RNA molecule, is encoded in the base sequence along the backbone of DNA.
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Dna damage checkpoints are crucial for preventing cell proliferation when dna damage has occurred. The role of dna checkpoint proteins in the cell cycle is closely tied to the roles of dna repair enzymes, although these proteins perform different functions. Which of the statements is true for dna checkpoint proteins and not true for dna repair enzymes?.
The purpose of checkpoint proteins is to stop mistakes from occurring in the genetic material that is being copied at certain periods in the cell cycle. These checkpoint proteins stop the cycle from continuing if the mistake is found.
An interruption in the cell cycle known as a DNA damage checkpoint is brought on in response to DNA damage in order to ensure that the damage is fixed before cell division restarts. At the G1/S or G2/M borders, proteins that build up at the damage site often trigger the checkpoint and stop cell development.
DNA damage checkpoints are crucial milestones that ensure efficient damage repair during the cell cycle. Genomic integrity is lost as a result of checkpoint function loss, which also permits the accumulation of genetic damage in daughter cells. One of the key contributors to DNA aberrations in cancer is checkpoint insufficiency.
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if you could engineer an activity into dna polymerase to allow both strands to follow the replication fork, what would this additional activity be?
Pork DNA polymerase needs to be able to perform three prime or five prime replications in order for this strand to be continually made toward the replication of activity 3.25 prime replication.
What steps are involved in DNA replication?Initiation at the start of replication, unwind so reveal the threads, synthesis on both layers with multiple enzymes adding nucleotide 3′ to 5′, elongation by RNA primers, then separation to two full molecules are the five steps in the replication process of DNA.
Does the replication of DNA establish God's existence?The process of DNA replication demonstrates how this knowledge is efficiently transmitted to use a code that is specifically created to create the proteins required for life.
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serotonin is best described as group of answer choices a feel good hormone a neurotransmitter that mimics an opioid receptor a neurotransmitter a neurotransmitter that impacts gaba
Answer: A neurotransmitter that impacts GABA
Explanation: Serotonin modulates GABA. It generally enhances GABA, therfore having an inhibitory function.
the enormous gains in crop yields brought about by green revolution technologies may soon stop. hypothesize why.
Because green revolution technologies are lowering the quality of the soil they employ, the massive increases in food yields they have sparked may soon come to an end.
By creating high yielding kinds of important food crops, providing them with fertilizers and irrigation to speed up growth, and insecticides to lessen loss to pests, the Green Revolution significantly enhanced food production (output/acre). Through adapted practices like (1) expanding the amount of land used for farming, (2) double-cropping, which involves planting two crops instead of one each year, (3) adopting HYV seeds, and (4) significantly expanding the use of inorganic fertilizers and pesticides, the green revolution increased crop productivity.
It has been demonstrated that reducing tillage, increasing crop rotations, growing cover crops, and reintroducing livestock into agricultural production systems can both lower agriculture's own carbon footprint and absorb extra carbon produced by other industries.
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which characteristic is always true for each and every member of the animal kingdom?
The characteristic that is always true for each and every member of the animal kingdom is that it is heterotrophic. Option 1.
The animal kingdomThe animal kingdom represents one of the major kingdoms of living organisms. All the organisms in this kingdom share some basic characteristics, which include:
Heterotrophic: Animals are generally heterotrophic because they depend on external sources for their food. This is unlike organisms in the plant kingdom which have the ability to synthesize their own foods via photosynthesis.Multicellular: Animals are generally multicellular. In other words, their bodies are made up of more than one cell. Unicellular heterotrophic organisms have been classified as protozoans.Animals generally ingest their food and digestion is internal.Thus, the only characteristic that is always true to members of the animal kingdom is heterotrophic.
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which characteristic is always true for each and every member of the animal kingdom?
it is heterotrophic.
it is unicellular.
it does not have a nucleus.
it reproduces asexually.
The principle that two stimuli must differ by a constant proportion for their difference to be perceived is known as?
The principle that two stimuli must differ by a constant proportion for their difference to be perceived is known as Weber's law.
The historically significant psychological law known as Weber's law also known as Weber-Fechner law, quantifies the perception of change in a given stimulus. According to the law, the slight modification of a stimulus is a constant ratio of the initial stimulus. There is evidence that it does not hold at high levels of stimulation
The rule was first proposed in 1834 by the German physiologist Ernst Heinrich Weber to describe studies on weight lifting. Gustav Theodor Fechner, Weber's student, then extended the law to the measurement of feeling, which led to the development of the field of psychophysics. The law told Fechner that there is actually only one world, the spiritual, and that there is a relationship between the spiritual and physical realms.
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what enzyme catalyzes the attachment of an amino acid to trna? what enzyme catalyzes the attachment of an amino acid to trna? aminoacyl-trna synthetase rubisco dextrinase argininosuccinate lyase nuclease
Enzymes are proteins that are responsible for the catalysis of biochemical reactions. They are involved in a variety of cellular processes, including metabolism, replication, and gene expression. One of the most important enzymes in biology is aminoacyl-tRNA synthetase.
This enzyme is responsible for the attachment of an amino acid to its corresponding transfer RNA (tRNA) molecule, which is then used in the process of translation.
Aminoacyl-tRNA synthetase binds to an amino acid and its corresponding tRNA molecule and catalyzes the formation of an aminoacyl-tRNA complex. This complex is then used to initiate the translation process, in which ribosomes decode the genetic code within mRNA molecules and use the information to construct proteins. Without this enzyme, the translation process would not be possible.
Other enzymes involved in metabolism, replication, and gene expression include rubisco, dextrinase, argininosuccinate lyase, and nuclease. Rubisco is an enzyme involved in photosynthesis, which is the process by which plants use light energy to produce food. Dextrinase is a carbohydrate-degrading enzyme that breaks down complex carbohydrates into simple sugars. Argininosuccinate lyase is an enzyme involved in the production of urea, which is an important waste product of the body. Nuclease is an enzyme that cleaves DNA or RNA molecules into smaller fragments.
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Check the picture.
Water has formed from condensation.
This water comes from what PROCESS?
Answer:
transpiration.
Explanation:
Transpiration is a process that involves loss of water vapour through the stomata of plants.
a plant species, such as the giant sequoia, has high mortality early in life. however, if a tree reaches a certain age, it will likely live a long life. which type of survivorship curve does this illustrate?
The type of survivorship curve illustrated by a plant species such as the giant sequoia, with high mortality early in life but a long life expectancy once a tree reaches a certain age, is known as Type I survivorship.
Type I survivorship curves are characterized by a sharp decrease in mortality early in life, followed by a relatively flat curve, indicating that the probability of death is relatively constant over the remainder of the organism's lifespan.
In the case of the giant sequoia, the high mortality early in life is due to the species’ slow growth rate and highly competitive environment. Young trees have less access to resources and need to compete with other plants for light and water. This competition, combined with the effects of drought, disease, and predation, can lead to high rates of mortality early in life.
However, if a giant sequoia is able to survive the first few years, it is likely to experience relatively low mortality over the remainder of its life. This is because the species is very long-lived, typically living for up to 3,000 years, and is also able to reach towering heights of over 300 feet. This combination of longevity and size allows the trees to reach heights that allow them to outcompete other plants for resources, providing them with a competitive advantage.
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Which of the following would not be seen in a cross section through the woody part of a root?a. sclerenchyma cellsb. parenchyma cellsc. sieve-tube elementsd. root hairse. vessel elements
d. root hairs
The root hairs cannot be seen through the woody part of a root
The reason for this is that because of the integration of the apiblama during secondary growthence, the transverse section of the soft woody part of the root will not reveal the presence of root hairs.
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To avoid insect damage, what is the most important month to keep your lawn well-watered in michigan?
To avoid insect damage, july is the most important month to keep your lawn well-watered in michigan.
The main problem is making sure that, immediately following application of the chemical, at least a half-inch of irrigation or rain is used to thoroughly soak the insecticide into the soil. By placing several coffee cups on your lawn and running the irrigation system until the cups are filled to a level half an inch above the bottom, you may gauge how much irrigation is being applied. Over the past 25 years, research studies have unequivocally demonstrated that watering right away after application aids in getting good outcomes. Additionally, by doing this, the chemical is removed from the grass, making the yard safe for kids, pets, and wildlife once it has dried.
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Name the phase:
Phrophase
Anaphase
Metaphase
Telophase
Answer: Anaphase
Explanation: It doesn’t look like any of the other phases
Answer:
Prophase
Explanation:
I got this answer from my bio book. hope it helps
when a neuron discharges an electric signal, it is referred to as . a. the threshold level b. an action potential c. the threshold stimulus d. a membrane potential
When a neuron discharges an electric signal, it is referred to as an action potential.
The correct option is B.
Is a neuron a brain cell?The brain's neurons also comprise the cells that receive and send chemical and electrical impulses. They work as the building blocks of the brain and as standardized services over the network for all of the muscles, tissues, and neurons in the body. Neurons, or nerve cells, are the fundamental constituents of the nerves and are responsible for receiving sensory data from the external world.
Where is neuron?The basic functional element of the brain is the neuron, a specialized cell designed to transmit information to other brain cells, muscle cells, or gland cells. Neurons are cells of the neurological system that transmit data to other nerve, muscular, and gland cells. Axons, cell bodies, and dendrites are features found in the majority of neurons.
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compare the second population to the parent subpopulation of generation one. how do these two populations compare? how does this copmarison difffer from your other comparison?
Once the alleles inherited from the original population are fixed, their frequencies do not change unless new alleles are introduced by mutation or gene flow.
Small populations tend to lose genetic diversity faster than large populations due to stochastic sampling errors. Gene flow is the movement of genes into and out of a population. Such movements may be due to the migration of individual organisms breeding in new populations.
Genetic drift affects the genetic makeup of populations. However, unlike natural selection, it does so through a completely random process. Although the genetic drift is an evolutionary mechanism, it has no adaptation-inducing function. Gene flow is the movement of genes into and out of a population.
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what structural aspect of pathogenic streptococcus pneumoniae serves as the basis for classification of antigenically different serotypes?
One factor that affects the virulence of the organism is the presence of capsular polysaccharides. They serve as the foundation for dividing pneumococci into serotypes and are also antigenic.
What makes it an organism?An object with life is referred to as an organism. The fundamental building blocks of both living beings and ou pas things are molecules. A living entity, however, can be distinguished from an abstract concept by its distinguishing traits. For instance, a cell or multiple cells make form an organism.
Do living things exist?An animal is a form of life that is capable of reproduction: The ability to duplicate oneself is one of the traits of organisms, but this trait is shared by many other biological entities as well, including cells, DNA, organelles, and even even communities.
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what 3 key concepts show that the groundwater system will heat the school more efficiently
An installation of a groundwater heat pump makes up the school's heating system. The piping for acquiring environmental heat is buried roughly 1.5 metres beneath the parking lot, the schoolyard, and the open areas. The water is heated by two heat pumps to the necessary input temperature. The advantage of the school's underfloor water heating system is its extremely low input temperature. The entire system combines dependability with little energy use.
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during semiconservative replication, the dna sequence act results in which sequence on the new strand?a. ACTb. TCAc. TGAd. UGA
During semiconservative DNA replication, the DNA sequence ACT results in the sequence TCA on the new strand.
This is because DNA replication is a semi-conservative process, which means that each new DNA strand is composed of one old (template) strand and one new strand. During DNA replication, an enzyme called DNA polymerase reads the sequence of the template strand and synthesizes a new complementary strand by adding nucleotides one by one. The nucleotides are added according to the base-pairing rule: A pairs with T, and C pairs with G. Therefore, when the template strand contains the sequence ACT, the new strand will contain the complementary sequence TCA. In summary, during semiconservative replication, the DNA sequence ACT results in the sequence TCA on the new strand.
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