Inadequate dietary vitamin D or its deficiency leads to malabsorption of calcium. Nutritional disorder leads to the rare disease rickets, which causes bones to become soft and bend in children. In adults, vitamin D deficiency leads to osteomalacia, which causes weak bones, bone pain and muscle weakness.
The body needs vitamin D to properly absorb calcium and phosphorus from the diet. However, keeping the right quantities of calcium and phosphorus in bones is challenging when vitamin D levels are low.
The two sources of vitamin D are-
Natural sunlight Foods such as fish oil, Egg yolk and fatty fishes like salmon and mackerelThere are other disease conditions which lead to poor absorption of vitamin D-
Inflammatory bowel diseaseCeliac diseasesKidney problemsTo learn more about Rickets here-
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today, brain-imaging studies reveal that a distributed neural network involving the and lobes is related to higher intelligence.
Recent brain-imaging studies have shed light on the relationship between intelligence and the brain. These studies have revealed that a distributed neural network, which involves various regions of the brain, is associated with higher intelligence.
One of the key regions involved in this network is the frontal lobe, which is responsible for complex cognitive functions such as planning, decision-making, and problem-solving. The frontal lobe plays a crucial role in executive functioning, which is critical for higher intelligence.
Another region of the brain involved in this network is the parietal lobe, which is responsible for processing sensory information and spatial awareness. The parietal lobe is also involved in complex mathematical and spatial reasoning tasks, which are important for higher intelligence.
Overall, these brain-imaging studies suggest that higher intelligence is related to the integration of information across multiple regions of the brain, rather than a single brain region or process. However, it is important to note that intelligence is a complex trait that is influenced by both genetic and environmental factors, and further research is needed to fully understand the neural basis of intelligence.
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1. A group of individuals of the same species that mate and produce offspring is called a
A. gene pool.
B. niche.
C. genetic family.
D. population.
2. Any change in the genetic material of a cell is called a
A. mutation.
B. single-gene trait.
C. genotype.
D. polygenic trait.
3.In genetic terms, evolution is defined as any change in the relative frequency of
A. a single-trait gene of a population over time.
B. alleles in the gene pool of a population over time.
C. genes in a population over time.
D. phenotypes of a population over time.
Which statement about the body's response to energy surplus is false?
a. Excess carbohydrate is converted to glycogen or fat and stored.
b. Protein is used to build muscles in response to exercise.
c. Alcohol is used as a fuel or converted into body fat for storage.
d. Excess fat is broken down into glycerol and fatty acids and stored.
e. Excess amino acids are stored in the muscles.
The false statement about the body's response to energy surplus is option (e) - Excess amino acids are stored in the muscles.
Option (e) is the false statement. Excess amino acids are not stored in the muscles. When there is an energy surplus in the body, various processes occur to handle the excess energy and store it for future use.
a. Excess carbohydrate is converted to glycogen or fat and stored. When there is an excess of carbohydrates, the body can convert them into glycogen, which is stored in the liver and muscles, or into fat, which is stored in adipose tissue for long-term energy storage.
b. Protein is used to build muscles in response to exercise. Protein can be utilized to repair and build muscle tissue, especially during exercise and physical activity.
c. Alcohol is used as a fuel or converted into body fat for storage. Alcohol can be metabolized and used as a source of energy, but excess alcohol is typically converted into fat and stored in adipose tissue.
d. Excess fat is broken down into glycerol and fatty acids and stored. When there is excess fat, it is broken down into its components, glycerol and fatty acids, and stored in adipose tissue for future energy needs.
Overall, option (e) is false because excess amino acids are not stored in the muscles. Instead, they are typically metabolized and used for energy or converted into other molecules in the body.
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put "Reproductive Isolation" in a sentence
Answer:
Reinforcement favoring reproductive isolation is required for both parapatric and sympatric speciation.
Explanation:
Hope this helps
which is not a problem associated with beetle infestations in homes?
There are several problems associated with beetle infestations in homes, but one problem that is not commonly associated with them is the transmission of diseases. Unlike some other household pests like mosquitoes, ticks, and rodents, beetles do not transmit any diseases to humans.
However, beetle infestations can still be a nuisance for homeowners and may cause damage to the structure and furnishings of the home. Some common problems associated with beetle infestations include:
1. Damage to wood: Certain types of beetles like powder post beetles and wood-boring beetles can cause damage to wooden structures and furniture in homes. They can burrow into the wood and create tunnels, which weaken the structure and make it more susceptible to collapse.
2. Contamination of stored food: Some types of beetles like flour beetles and grain beetles can infest stored food items like flour, cereal, and grains. This can result in contamination of the food and make it unfit for consumption.
3. Allergic reactions: Some people may be allergic to the hairs or spines of certain types of beetles like carpet beetles and may experience allergic reactions like skin rashes, itching, and hives.
In summary, while beetle infestations may not transmit diseases to humans, they can still cause damage to homes and furnishings and contaminate stored food items. It is important to take steps to prevent and control beetle infestations in homes to avoid these problems.
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How many metabolites result from the backwards activity of glyceraldehyde 3 phosphate dehydrogenase in the cell?A. 1B.2C. 3D. Cannot be determined
The backwards activity of glyceraldehyde 3 phosphate dehydrogenase (GAPDH) in the cell can result in the formation of two metabolites:
1,3-bisphosphoglycerate (1,3-BPG) and glyceraldehyde 3-phosphate (GA3P). This is a reversible reaction where GAPDH catalyzes the conversion of 1,3-BPG to GA3P during glycolysis.
However, in the reverse direction, GAPDH can use GA3P and inorganic phosphate to form 1,3-BPG.
Therefore, the answer to the question is B.2 - two metabolites result from the backwards activity of GAPDH in the cell.
These metabolites play important roles in cellular energy metabolism and carbon metabolism pathways. 1,3-BPG is a high-energy intermediate that is used to generate ATP during oxidative phosphorylation, while GA3P can enter various biosynthetic pathways or can be converted back to glucose via gluconeogenesis.
Understanding the metabolism of these metabolites and their interplay with other cellular pathways is crucial for the proper functioning of the cell.
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PLEASE I NEED HELP ILL GIVE BRAINIEST !!!!
Answer:
the correct sequence of arrangement of level of ecological organization from least to most inclusive is organism,population, community
Answer:
Its below in the explanation
Explanation:
Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species.
Since species is the widest category.
Which statement best explains why the classification
schemes of taxonomists have changed over time?
A. New technology like DNA sequencing allows scientist to have a more accurate genetic evolutionary history
B. New information about the genetics of species is being discovered.
C. Molecular biology has provided more detailed evidence for the relationships
between organisms.
D. All of the above
Answer:
D.
Explanation:
Sana tama kase feel ko pang
Classification of organisms is defined as dividing living beings into different kingdoms based on their genetics, traits, and other features.
Why did Classification Schemes of taxonomists change?Taxonomists arrange and divide the organisms based on the DNA, traits, and features of the living organisms. The advancements in technology led the taxonomists to have more information on genetic lineage and arrange them accordingly. Introduction and discoveries of new species, their genetic make-up, and traits also contribute to the change of classification system. Molecular biology, cellular level studies, and genetics of species have contributed to the classification of organisms.
Thus, the given statements about the classification of organisms are correct.
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The carbohydrates, proteins, and minerals that are vital to an organism’s survival are found in...
(1) oxygen
(2) carbon dioxide
(3) food
(4) water
3. Food
This is the answer..
Anatomy
Label each of the following structures or processes.
Answer:
A - DNA
B - mRNA
C - nuclear pore
D - tRNA
E - ribosome
F - rRNA
Explanation:
The entire structure illustrates the process of transcription and translation in a typical eukaryotic cell.
The DNA (A) in the nucleus of the cell is first transcribed to mRNA (B). The mRNA produced is transported to the cytoplasm through the openings within the nuclear membrane - the nuclear pores (C). On getting to the cytoplasm, the mRNA binds to the ribosome (E) (carrying rRNA, F). The tRNA (D) carrying the specific anticodon for a particular codon on the mRNA then binds to the structure and the corresponding amino acid is released. A polypeptide bond is formed between subsequent amino acids and the ribosome moves along the mRNA chain until the translation process is complete.
What is the universe made of
Answer:
composition
Explanation:
the universe is composed almost completely of dark energy, dark matter , and ordinary matter
Answer: matter , atoms
Explanation:
Does anyone know how to do these 2?
Answer:
use this
Explanation:
dude dont get mad at me
What objects in the solar system are larger than earth
Answer:
the sun, jupiter, saturn, uranus, neptune
Explanation:
Is the Great Green Wall an example of Secondary Succession?
Answer:
The Great Green Wall is taking root in Africa's Sahel region, at the southern edge of the Sahara desert. The Great Green Wall is a symbol of hope in the face of one of the biggest challenges of our time - desertification. This game changing African-led initiative aims to restore Africa's degraded landscapes and transform millions of lives in one of the world's poorest regions, the Sahel.
Primary succession occurs on land where no previous growth has taken place and there is no substrate/soil. Secondary succession occurs on land where there has been previous growth, the soil and seed bank makes up the substrate.
Explanation:
I majored in Biology
Help please!! I'll name you brainliest!!
good morning! i believe have your answers :
1. when two or more elements combine to form a new substance, it is called a compound.
2. a compound is a substance that forms when two or more elements combine chemically. a compound always has the same elements in the same proportions. true
3. hydrogen and oxygen are more stable in compounds than by themselves. false
4. hydrogen and oxygen are more stable in compounds than by themselves. true
5. when atoms of different kinds combine to form a compound, a new substance is created. new compounds do not have the same physical or chemical traits of the original elements. false
- muffin
What do you think would have the greatest effect on the body—a harmful mutation in a pluripotent embryonic stem cell
Answer:
This question lacks options, the complete question is: What do you think would have the greatest effect on the body—a harmful mutation in a pluripotent embryonic stem cell, or a harmful mutation in an adult multipotent stem cell?The correct answer is a harmful mutation in a pluripotent embryonic stem cell.
Explanation:
Pluripotent Stem Cells can self-renew and differentiate into any of the three germ layers, which are: the ectoderm, the endoderm and the mesoderm. These three germ layers subsequently differentiate to form all the tissues and organs within a human being. If during embryonic development, genetic mutations - alterations in genes - occur in the embryonic stem cell, they pass to daughter cells as a consequence of cell division, and an individual is generated whose cells differ at the genetic level. Multipotent stem cells are organospecific cells, that is, they can give rise to any type of cells but from a specific organ (a lung, a kidney or the brain). Their differentiation ends the moment they specialize and become a cell with a specific function within a specific tissue or organ. If there were a mutation in these cells, it would damage a specific designed tissue or organ.
which is the longest part in the alimentary canal???
Answer:
small intestine
Explanation:
pls ans this qa i will mark u as brainlist ans
ans b
Explanation:
milk teeth are less than permanent teeth
A receptor is a set of modified dendrites of the:
a. nerve.
b. interneuron.
c. motor neuron.
d. sensory neuron.
DNA sequencing has become widely used tool to find and prove relatedness among organisms_ To this end; it has been used extensively to evaluate the evolution of primates. Three such organisms whose DNA has been studied are chimpanzees; mountain orillas; and Savannah baboons: Upon examination; it has been found that the chimpanzee has more genes in common with the mountain gorilla than the Savannah baboon: Which of the following offers the most Iikely explanation for this observation? Baboons evolved from chimpanzees nor irom gorillas: Chimpanzees and gorillas share more recent common ancestor than do chimpanzees and baboons_ Gorillas evolved from chimpanzees not from baboons_ Convergent evolution led to the observed genetic similarities between chimpanzees and gorillas_
DNA sequencing is a powerful tool that has become widely used in determining relatedness among organisms. It has been extensively used to evaluate the evolution of primates.
Three such organisms whose DNA has been studied are chimpanzees, mountain gorillas, and Savannah baboons. Upon examination, it was found that chimpanzees have more genes in common with mountain gorillas than with Savannah baboons. The most likely explanation for this observation is that chimpanzees and gorillas share a more recent common ancestor than chimpanzees and baboons do. It does not mean that baboons evolved from chimpanzees, nor does it mean that gorillas evolved from chimpanzees. Instead, it suggests that the genetic similarities between chimpanzees and gorillas are due to their shared evolutionary history, while the differences between chimpanzees and baboons are due to their divergent evolution. This observation highlights the importance of DNA sequencing in understanding the evolutionary relationships between organisms.
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3. Explain the role of organisms in the carbon
cycle and oxygen cycle
What organism? If its plants, they give oxygen during the day and carbon dioxide in the night. While animals give carbon dioxide but take oxygen from the air. These carbon dioxide gas and oxygen gas go to the atmosphere and affect the carbon cycle and oxygen cycle.
Here is the cycle if you want to know more
Plants (give out oxygen) -> Animals (Use oxygen) + (given our carbon dioxide) -> plants (take oxygen)
and so on
Answer:
Plants take carbon from the atmosphere in the form of carbon dioxide during photosynthesis. Plants and animals both release carbon dioxide back into the atmosphere through the process of respiration. When organisms die, some of the carbon in their bodies is stored in the soil, which can be reintroduced into the atmosphere through soil respiration.
Explanation:
sample response
choose the one or two best restriction endonucleases to digest both the dna fragment and psap .
The best restriction endonucleases for digesting both the DNA fragment and psap are EcoRI and HindIII.
EcoRI recognizes the sequence GAATTC and HindIII recognizes AAGCTT, which are both present in the psap sequence and commonly used in molecular biology for DNA manipulation. By using both EcoRI and HindIII, the psap can be digested along with the DNA fragment, allowing for efficient cloning. Additionally, these enzymes have a high degree of specificity, reducing the likelihood of off-target cleavage. It's important to note that not all compounds have stereoisomers. Compounds lacking chiral centers or restricted bond rotation do not exhibit stereoisomerism.
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because it does not affect the crop yield or nutritional value, a local grower advertises that in his orchard he does not use
The local grower's statement that his orchard does not use commercial fertilizers or herbicides is referring to the practice of refraining from applying chemicals or synthetic fertilizers to his crops.
Refraining from addition of these components is an organic farming practice, which seeks to produce crops with minimal artificial input (aside from seeds). While this practice does not directly affect the crop yield or nutritional value of the produce, commercial fertilizers and herbicides can have damaging effects on soil and water sources to which they drain, and over time can lead to a loss of fertility and lack of certain plant nutrients.
Additionally, there can be long-term health implications from consuming foods grown with synthetic materials. Therefore, the local grower's choice of organic farming is not only more sustainable but also touted to be more beneficial to human health.
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Scientists want to investigate the effects of chronic acidification on a desert ecosystem. Which independent variable are the scientists most likely monitoring in their investigation? a. The amount of fog during different times of the year b. The composition and amount of seasonable melt water c. The daily production of sulfur dioxide by a nearby factory d. The heaviest traffic periods of the year
The independent variable is the scientists most likely monitoring in their investigation for the investigate the effects of chronic acidification on a desert ecosystem - c. The daily production of sulfur dioxide by a nearby factory
Chronic acidificationEcosystems result in chemical changes to soil and to surface waters and groundwater as a result of reduction of base cation or H⁺. The major effects of SO2 emission have on the soil system
An increase in contents of total sulfur, organic carbon, and exchangeable Al, leads to a lowering of pH and causes acidification of soil. Fog does not participate in acidification
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Answer: the daily production of sulfur dioxide by a nearby factory
Explanation: it was correct on the quiz
monocytes are a type of white blood cell that can differentiate into what two cells? [choose 2]
Monocytes are a type of white blood cell that can differentiate into two main cells: macrophages and dendritic cells.
Monocytes differentiate into macrophages, which play a role in phagocytosis and immune response, and dendritic cells, which are important for antigen presentation and communication with other immune cells.
Monocytes have the ability to differentiate into two essential immune cells, macrophages and dendritic cells, to help maintain a healthy and functioning immune system.
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Surface mining is less dangerous and more profitable than subsurface mining
Answer:
Surface mining is the extraction of mineral and energy resources near Earth's surface by first removing the soil, subsoil, and overlying rock strata. ... Surface mining disturbs the land more than subsurface mining, but subsurface mining is more expensive and dangerous.
Explanation:
Can someone help me with this chromosome assignment?
this is the answer for only first page.
homologous, diploid,gametes,haploid
the same thing as what the other person said.
di=2
hap=1
remember that for diploid and haploid
geologic events such as mountain building can directly affect biodiversity. the sino‑himalayan fern, lepisorus clathratus is widely distributed on the qinghai‑tibetan plateau.
Geologic events such as mountain building can directly impact biodiversity, as seen in the distribution of the Sino-Himalayan fern, Lepisorus clathratus, which is widely found on the Qinghai-Tibetan Plateau.
Geologic events, particularly mountain building processes, can have significant effects on biodiversity. When mountains form, they create diverse topographic and climatic conditions that can influence the distribution and evolution of plant and animal species.
The Qinghai-Tibetan Plateau, known as the "Roof of the World," is a prime example of a region shaped by tectonic activity, resulting in the development of unique habitats and species.
Lepisorus clathratus, a fern species native to the Sino-Himalayan region, has adapted to the specific environmental conditions found on the Qinghai-Tibetan Plateau.
Its widespread distribution in this area can be attributed to the geological history and the resulting diverse ecological niches created by the mountain building processes.
The complex topography, variation in elevation, and diverse microclimates on the plateau provide suitable habitats for Lepisorus clathratus and other species to thrive.
These geologic factors, along with other ecological factors, have contributed to the distribution and biodiversity patterns observed in this region.
In conclusion, the distribution of the Sino-Himalayan fern, Lepisorus clathratus, on the Qinghai-Tibetan Plateau is a direct result of geologic events such as mountain building, which have shaped the region's biodiversity by creating unique habitats and ecological conditions.
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_____ uppresses uterine contractions, prevents menstruation, and stimulates development of mammary gland acini.
The hormone that suppresses uterine contractions, prevents menstruation, and stimulates development of mammary gland acini is progesterone.
This hormone is produced by the ovaries during the second half of the menstrual cycle and is essential for preparing the uterus for pregnancy. Progesterone works to thicken the endometrial lining of the uterus, making it a suitable environment for implantation of a fertilized egg. It also helps to relax the muscles in the uterus, preventing premature contractions that could interfere with implantation or cause early labor.
In addition to its role in the reproductive system, progesterone also plays a role in the development of the mammary glands. It promotes the growth and differentiation of acinar cells, which are responsible for producing milk during lactation.
Overall, progesterone is an important hormone that plays a crucial role in female reproductive health and development. Its effects are far-reaching and complex, and it is essential for maintaining a healthy menstrual cycle, supporting pregnancy, and promoting lactation.
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dosage compensation offsets the problems associated with differences in the number of ________ chromosomes in many species.
The Dosage compensation is a biological mechanism that helps to regulate gene expression levels and balance gene products in cells, despite differences in the number of sex chromosomes between males and females in many species.
This process is particularly important in species where females have two X chromosomes and males have only one X chromosome and one Y chromosome. Without dosage compensation, females would produce twice as much of the products of genes on the X chromosome as males, which would lead to imbalances in the expression levels of many genes and could cause developmental abnormalities and disease. One common mechanism is X chromosome inactivation, which occurs in female mammals and involves the random silencing of one X chromosome in each cell. This ensures that both males and females produce roughly the same amount of X-linked gene products. Another mechanism is the upregulation of X-linked genes in males, which can occur in some insects and other invertebrates. Overall, dosage compensation is an important evolutionary adaptation that helps to mitigate the problems associated with differences in the number of sex chromosomes in many species, and ensures the proper development and functioning of cells and organisms.
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