Answer:
It’s c I got it right
Explanation:
Answer:
C) Genetic information flows from DNA to RNA to protein
Explanation:
Where does phosphorus come from and how does it move through the cycle?
Answer:
Phosphorus moves in a cycle through rocks, water, soil and sediments and organisms.
Explanation:
Over time, rain and weathering cause rocks to release phosphate ions and other minerals. This inorganic phosphate is then distributed in soils and water. Plants take up inorganic phosphate from the soil.
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Describe how the muscular system works with both the respiratory and circulatory
systems when you are exercising.
By supplying working muscles with blood and oxygen, the circulatory system aids the muscular system. Because the circulatory system makes it possible for muscles to acquire the oxygen they require to perform effectively, it also benefits the muscular system.
What is the relationship between the respiratory, circulatory, and muscle systems?In order to transfer the blood to all the body's cells, tissues, and organs, the circulatory, respiratory, and muscle systems collaborate to add oxygen to the body's otherwise deoxygenated, impure blood.
How do you refer to circulation?Blood is transported from the heart to a lungs via the cardiovascular system in order for the body to receive oxygen. The remainder of the body is subsequently supplied with oxygenated blood by the heart through arteries.
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Can back stiffness cause back pain?
Yes stiffness cause back pain as it is related to pain only and can cause pain hardly.
Most people's back pain subsides in about 1-2 weeks, but if the pain persists or is chronic, see a spine specialist if the pain lasts longer than 4 weeks. If the pain gradually worsens over time.
B. Fever, severe weight loss or weight gain, loss or weakness of limbs, bladder problems, etc. Arthritis in the lower back and the spinal cord that compresses the sciatic nerve (the nerve that runs from the lower back to the legs). Pressure on the back can also cause back pain and stiffness.
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If snapdragons are heterozygous for height as well as for flower color, a mating between them will result in what ratio? A) 9:4:3. B) 1:2:1. C) 27:9:9:9:3:3
A snapdragon mating is 6:3:3:2:1:1 if it is heterozygous for both height and blossom colour.
Which of the following is an illustration of partial dominance?Response and Justification: (B) Wavy hair is the right response. When an organism expresses a phenotype that is in-between the two distinct alleles of a gene, it is said to exhibit incomplete dominance.
What does partial dominance mean?Gene interaction known as incomplete dominance occurs when only one of two alleles of a gene at a locus is fully expressed, frequently leading to an intermediate or distinct phenotype. Partial domination is another name for it.
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when the nucleosomes supercoil what do they form
A. Histones
B. Chromosomes
C. Ribosomes
D. RNA
Answer:
RNA
Explanation:
Nucleosomes assembled onto negatively supercoiled DNA are found to exhibit a left-handed conformation, whereas assembly onto positively supercoiled DNA results in right-handed nucleosomes.
D. RNA
Why is Jackie an elite distance runner when no one else in her family has that trait? Reasoning
Answer:
She problably trains harder than her family, which would make her faster than them.
The macula densa cells respond to ________.
Let’s say you go to the doctor because you have a sore throat. The doctor takes a throat sample and allows it to potentially grow on nutrient agar in a Petri dish. After about 24 hours you get a call from the doctor – she informs you that you do not have a bacterial infection (such as strep throat), since no colonies of Streptococcus grew on the agar. Instead, the doctor indicates your sore throat is caused by a virus. How could the doctor know, since no viral colonies grew on the agar?
The doctor indicates your sore throat is caused by a virus and knew since no viral colonies grew on the agar due to the degenerative changes in monolayer cells as it provide evidence of viral presence.
What is a Virus?This is referred to as an infectious agent which is made up of a core of genetic material, either DNA or RNA, surrounded by a protective coat called a capsid which is made up of protein.
In a scenario where no viral colonies grew on the agar, we can detect the presence of a virus through degenerative changes in monolayer cells thereby making it the correct choice in this scenario.
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3. Which of the following facial bones does not form a part of the nasal
cavity?
a) ethmoid
b) zygomatic
c) vomer
d) inferior conchae
Answer:
ethmoid
Explanation:
A type of paranasal sinus (a hollow space in the bones around the nose). Ethmoid sinuses are found in the spongy ethmoid bone in the upper part of the nose between the eyes. They are lined with cells that make mucus to keep the nose from drying out.Two atoms of element a unite to form a molecule with the formula a2. The bond between the atoms in the molecule is.
Two atoms of element A unite to form a molecule with the formula A₂. The bond between the atoms in the molecule is nonpolar covalent.
Only nonmetаls cаn combine to form molecules of the type А₂ (e.g. F₂, Cl₂, Br₂, I₂, H₂, O₂, N₂). When nonmetаls combine with nonmetаls, they shаre pаirs of electrons to fulfil the octet's rule. The bond in which elements shаre electrons is known аs covаlent.
The polаrity of the covаlent bond depends on the difference in the electronegаtivities of аtoms thаt form it. Since А₂ is formed by 2 аtoms of А (sаme electronegаtivity), the difference in their electronegаtivities is zero аnd the bond is clаssified аs nonpolаr.
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Hypothesize why you think the Outer Core is a liquid and the Inner Core Is a solid. (Earth Layers)
HELP PLSS
The metallic nickel–iron outer core is liquid because of the high temperature. However, the intense pressure, which increases towards the inner core, dramatically changes the melting point of the nickel–iron, making it solid.
What are the Earth's layers?There are three layers that make up the earth: the crust, the mantle, and the core. This is the outermost layer of the earth and is composed primarily of granite and basalt solid rock. Oceanic crust and continental crust are the two types. Basalt makes up the majority of the denser, thinner oceanic crust. core, asthenosphere, mesosphere, lithosphere, outer core, and inner core. There are four main parts that make up the earth's structure: the crust, the mantle, the outer core, and the inner core. Every layer on Earth has a different chemical composition, physical state, and potential impact on life below the surface. Since the thermosphere has the highest temperatures in the atmosphere, it is frequently referred to as the "hot layer."To learn more about Earth's layers refer to:
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Which organisms are omnivores in this food web?
A.whirliging beetle
B. water Cricket
C.backswimmer
D. rotifer
Answer:
A. Whirliging beetle
B. Water Cricket
C. Backswimmer
Explanation:
An omnivore is an organism that eats both plants and animals, including both animal and plant-based foods. Omnivores are able to adapt to their environment and adjust their diets to consume whatever food sources are available. Omnivores are found in a variety of habitats, from the land to the sea.
In Family 2, both parents 2 and 3 in generation I had cancer related to p53
mutations. They had two children in generation II, individuals 2 and 4.
Scientists did not have detailed information about offspring 4 in generation
2. Which version of p53 do you think this p
person had?
The p53 gene may get altered, which could lead to the growth and spread of cancer cells within the body. A genetic disorder termed Li-Foramen syndrome and numerous cancer types have both been linked to these alterations.
What is meant by censer cells?DNA alterations (mutations) in cells are the root cause of cancer. Each gene carries a collection of instructions outlining the functions the cell should carry out as well as instructions on how to grow and divide. Genes are formed from the DNA that is packaged inside a cell into a vast number of distinct units.Somatic mutagenesis. Almost all malignancies include somatic TP53 mutations, with rates ranging from 38% to 50% in ovarian, esophageal, colorectal, head and neck, throat, and lung cancers to just 5% in primary leukemia, sarcoma, testicular cancer, malignant melanoma, and cervical cancer (Fig. 1).Genetic heritability governs LFS. Accordingly, a family may experience a transmission of the risk of developing cancer from one generation to the next.To learn more about censer cells refer to:
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1
Select the correct answer.
A client has lung cancer. Her doctor tells her that the tissue lining the airways in her lungs is affected. To which tissue is the doctor referring?
Ο Α. nerve tissue
OB.connective tissue
O C. muscle tissue
O D. epithelial tissue
Answer: D. Epithelial tissue.
Explanation:
Epithelial tissue is the type of tissue that lines the airways in the lungs, including the bronchi and bronchioles. This tissue acts as a barrier, protecting the lungs from foreign particles and microorganisms, and also helps to move mucus and other substances out of the lungs. In the case of lung cancer, it is common for the cancer to first develop in the epithelial tissue lining the airways.
environmental science can be described as interdisciplinary because it ____.
Interdisciplinary science is the collaborative process of integrating the knowledge/expertise of trained individuals in two or more disciplines, utilizing different perspectives, approaches, and research methodologies/methods to extend beyond the competencies of one discipline. achieve progress.
Environmental science is an interdisciplinary field that integrates life, natural, and earth sciences to study and address environmental problems and implement science-based solutions. Interdisciplinary research in an environmental framework aims to develop new knowledge that provides the means to solve specific problems. Environmental education is not ambitious, but it also relies on interdisciplinarity among teachers to achieve its goals.
Environmental science is also known as an interdisciplinary field as it incorporates information and ideas from multiple disciplines. Within the natural sciences, environmental science includes fields such as biology, chemistry, and geology.
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How many atoms are present in 2gm atom of oxygen?
There should be 3.76 X 10²² atoms are present in 2gm atom of oxygen
In chemistry, a "mole" is referred to as a collection of atoms or molecules. Similar to how a dozen suggests 12 things, a mole (mol) denotes 6.022 x 1023 things. Since Amedeo Avogadro was a 19th-century scientist, we refer to macroscopic amounts of atoms and molecules in chemistry by the number 6.022 x 10²³, also known as Avogadro's number. 6.022 x 10²³ atoms are hence referred to as 1 mol of atoms.
The atoms in the 2 g of oxygen can be calculate as follows
first we should find the moles of 2 gram oxgyen
moles of oxygen = mass/ mass molar
moles of oxygen = 2 g/ 32g/moles
moles oxygen =0.0625 moles
the we can calculate the number of atom by multiplying the moles to the avogadro's number
moles of oxygen =0.0625 X 6.02 X 10²³ atoms.
2 moles of oxygen= 3.76 X 10²² atoms.
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how can seismic study be used to determine density variation
The denser a material is, the faster a seismic wave travels
What are seismic waves ?The propagation of seismic waves through earth materials is measured using seismic techniques. When conducting seismic surveys, a sound source at the surface, such as an explosion or a mechanical impact, causes seismic waves to propagate outward.
Denser materials allow seismic waves to propagate more quickly, hence depth generally increases the speed of seismic waves. Seismic waves are slowed in abnormally hot regions. A liquid conducts seismic waves more slowly than a solid does.
Acoustic waves are used in seismic surveys to generate images of the ground by analysing their vibrations. While certain seismic waves can travel deep under the earth through solid rock and fluids, others can simply move along the surface of the planet like water ripples.
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A scientist was studying a population of elephants. The first year, he counted a population of 80. Over the next eight years, the population’s numbers were 94, 100, 103, 110, 125, 120, 125, 120. What appears to be the carrying capacity for this population?
120
124
125
126
This population could support 125 people at any given time.
Which population do you refer to?A population is any large group that shares least one attribute in common. People do not make up all populations. Populations can include, but are not limited to, people, animals, groups, organizations, buildings, houses, trucks, farms, and things.
What does "population mean" mean exactly?The average calculated from the entire group, distribution, or population is known as the population mean. It is computed by dividing the entire population of variables by the sum of all the variables in the population. The population mean is shown here as. The population's observations are combined to generate X.
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Answer: Answers for test:
1) d
2) c
3) d
4) d
5) a
6) c
7) a
8) a
9) c
10) d
Explanation: I got it right!
Hello can someone please help me with this
15a. Shivering can increase your body temperature if you are in a cold environment. Is shivering part of positive feedback ___ or negative feedback ___?
. Explain your reasoning.
Shivering is an example of negative feedback since it is a reaction that attempts to raise body temperature in an effort to undo the initial change and return to the set point.
Why does shivering make you feel hotter?Shivering is the term for when your muscles start to rapidly contract and loosen over and over again in a short amount of time. You stay a little bit warmer because to the heat produced by the energy required to cause your muscles to tremble.
What happens when you shiver?When muscles just below the skin's surface contract voluntarily to "shiver," they generate heat that helps the body temperature return to a normal range. This is caused by hormones released by the hypothalamus.
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Sorry if blurry but please help
A variable that is independent is precisely just what sounds like. It is a stand-alone variable that is unaffected by other variables that are attempting to assess. Age, for instance, could be an independent factor.
What are the benefits of independent and dependent variables?Identifying cause and effect correlations is one of the most important components of scientific research. Knowing which variable is the cause, or independent variable, and which is the consequence, or dependent variable, is crucial.
What is an instance of an independent variable?It is a stand-alone variable that is unaffected by the various variables you are attempting to measure. Age, for instance, might be a variable and the independent. A person's age won't change as a result of other factors like what people eat, how so much they attend school, or how much t.v they watch.
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What is oxidized and reduced in Calvin cycle?
In the Calvin cycle, carbon dioxide is oxidized to form a three-carbon sugar molecule, which is then reduced to form glucose. The energy for this process is provided by the oxidation of NADPH molecules from photosynthesis.
The Calvin cycle is a photosynthesis process in which carbon dioxide (CO2) and light energy are used to produce organic compounds such as 6-phosphate glucoside. In the process, carbon dioxide is oxidized to form a three-carbon sugar molecule, which is then reduced to form glucose. The energy for this process is provided by the oxidation of NADPH molecules from photosynthesis.
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Categorize each description into the correct type of non-Mendelian inheritance
A trait's non-Mendelian pattern of inheritance. Mendel used monohybrid and dihybrid crosses to derive the fundamentals of inheritance patterns.
The following presumptions formed the basis for these crosses, one specific attribute is controlled or determined by a single gene locus. The inheritance pattern that deviates from Mendel's laws is the subject of non-mendelian genetics. The inheritance of features connected to a single gene on chromosomes is described. Scientists discovered various features that defy Mendel's principles as they investigated an increasing number of test crossings.
Mendelian and non-Mendelian inheritances are the two main categories of inheritance. In the Mendelian type of inheritance, alleles from a single gene pass along the traits of the parents to their kids. It is either recessive or dominant. Any pattern in which traits do not segregate in line with Mendel's rules is referred to as non-Mendelian inheritance. These principles describe how qualities connected to a single gene on nuclear chromosomes are passed down across the generations.
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In the ocean, winds determine___?
1 the water temperature
2the amount of phytoplankton
3the rates of evaporation
4 the ocean-current patterns
Answer:
1. the water temperature
Why is natural selection important in biology?
Answer: Natural selection enhances the preservation of a group of organisms that are best adjusted to the physical and biological conditions of their environment and may also result in their improvement in some cases.
Explanation:
The very high levels of Iridium at the KT boundary was confirmed in different parts of the world
and supported an already existing hypothesis, a supernova had caused the extinction. How was
this hypothesis tested?
Scientists looked for planetary evidence of a supernova
Scientists ruled out all the other hypothesis and only the supernova was left
Scientists tested the amount of plutonium in the KT boundary
Scientists studied craters from ancient asteroids
The very high levels of Iridium at the KT boundary was confirmed in different parts of the world and supported an already existing hypothesis, a supernova had caused the extinction. The hypothesis was tested as Scientists tested the amount of plutonium in the KT boundary.
What is the KT boundary.?KT boundary is described as the thin layer of clay that separates rock layers from the end of the Cretaceous period to those from the beginning of the tertiary (Paleogene) period.
Lack of an isotope of plutonium in the K-T boundary layer prompted researchers to abandon the hypothesis that a supernova caused the high levels of iridium in the K-T layer.
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Is the product of anaerobic respiration in muscle cells as a result of vigorous exercise?
Anaerobic respiration in muscle cells occurs as a result of vigorous exercise; so it is stated to be correct that anaerobic respiration in muscle cells is the product of hard exercise.
Anaerobic (cellular) respiration is a type of respiration that happens in both eukaryotes and prokaryotes in which cells break down sugar molecules to produce energy in the absence of oxygen.
Anaerobic respiration occurs in muscles during vigorous exercise. Because glucose is not entirely broken down, less energy is produced during aerobic respiration. During hard exercise, lactic acid accumulates in the muscles. Later, the lactic acid require to be oxidized to carbon dioxide and water.
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In dogs, there is a hereditary type of deafness caused by a recessive gene. Two dogs who carry the gene for deafness but have normal hearing are mated. What are the possible genotypes and phenotypes of their offspring and the percent chance for each?.
DD, Dd, and dd are the three potential genotypes, and normal hearing and deafness are the two probable phenotypes.
Why should deaf dogs not be bred?The most frequent causes of canine deafness are hereditary or age-related. Therefore, breeding a deaf dog is not recommended since you risk passing on a genetic condition or breeding a dog that is much older than the recommended breeding age range.
Why are some dogs born deaf?Congenital (existing at birth) or acquired deafness can occur due to an infection, trauma, or cochlea deterioration (the organ of hearing). It is possible to inherit birth defects in hearing.
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For an organim’ cientific name, the firt part i the ________ and the econd i the ________
The principal expression of a logical name of an organic entity demonstrates its variety and the subsequent word shows the species. By this technique for binomial classification, the logical name of an organic entity has been made normal from one side of the planet to the other.
The initial segment of the name - the nonexclusive name - recognizes the variety to which the species has a place, though the subsequent part - the particular name or explicit designation - recognizes the species inside the family. For instance, present-day people have a place with the variety Homo and inside this family to the species Homo sapiens.
Logical names are made out of two Latin or Greek terms: the first compares to the variety and the subsequent one, to the species having a place with this family.
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Why did Mendel choose pea plants 7 points?
Mendel chose to use pea plants in his experiments because they were easy to care for and had several distinct traits that could be easily observed and measured.
The plants had several different varieties that could be crossed with each other, allowing Mendel to observe the inheritance of traits. Additionally, the flowers of the pea plants could be self-pollinated, which meant that the results of the experiment would be consistent.
Mendel's experiment on pea plants consisted of crossing pea plants with different characteristics to study the inheritance of traits. He crossed plants with different characteristics to obtain seeds of the second generation, and then the seeds of the second generation were crossed with each other. This allowed him to observe the patterns of inheritance of traits.
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Determine the outcome of this cross in terms of sex, eye color, and wing size of the offspring. Select all that apply.
Males with normal eyes and small wings and females with white eyes and normal wings are the results of this cross in terms of gender, eye color, and wing size.
Which chromosomes are involved in determining sex?When you are born, your gender is determined by your X and Y chromosomes. In females, there are two X chromosomes. The term "sex chromosomes" is also used. Every male has one X and one Y chromosome.
Who determines a child's gender?Almost everyone has roughly equal odds of giving birth to a boy and a girl. What we can say is that the father's sperm determines whether a kid will be born as a boy or a girl.
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Question:
Determine the outcome of this cross in terms of sex, eye color, and wing size of the offspring.
Select all that apply.
A) males with normal eyes and normal wings
B) males with white eyes and normal wings
C)males with normal eyes and miniature wings
D) males with white eyes and miniature wings
E) females with normal eyes and normal wings
F) females with white eyes and normal wings
G) females with normal eyes and miniature wings
H) females with white eyes and miniature wings