Final answer:
Essential nutrients necessary for human nutrition include carbohydrates, proteins, lipids, water, vitamins, and minerals. These are categorized into macronutrients needed in larger amounts and micronutrients required in smaller amounts but are vital for body processes like tissue maintenance and blood clotting.
Explanation:
The essential nutrients for proper human nutrition include six major classes: carbohydrates, proteins, lipids (fats), water, vitamins, and minerals. These substances are deemed essential because they cannot be synthesized by the body and must be obtained from food.
Carbohydrates, proteins, and lipids are considered macronutrients, which the body requires in larger quantities for energy and body building. Conversely, vitamins and minerals are categorized as micronutrients, needed in smaller amounts but crucial for various body processes, including maintaining connective tissue and enabling blood clotting with the help of vitamins such as vitamin A and vitamin K, respectively.
It is important to note that while the body cannot store micronutrients, they must be consumed regularly to support bodily function. Vitamins and minerals are critical for ensuring regulation and good health, aiding in processes such as maintaining a stable nervous system and blood clotting.
In pea plants, tall (T) plants are dominant over short (t) plants. If a heterozygous (Tt) pea plant is crossed with a homozygous dominant (TT) pea plant, all of the resulting pea plants should be tall (TT or Tt). Each plant will receive a dominant allele from the homozygous dominant plant, while they could receive either a dominant or recessive allele from the heterozygous plant.
The fact that each plant gets only one allele from each parent plant is detailed in the law of _______.
A.
genetic inheritance
B.
multiple alleles
C.
independent assortment
D.
segregation
Answer: d. segregation
Explanation: i did it:)
The fact that each plant gets only one allele from each parent plant is detailed in the law of segregation. The correct option is D.
What is law of segregation?The law of segregation, also known as Mendel's first law, explains how pairs of alleles segregate during gamete formation in parents and recombine during fertilisation to form the genotype of offspring.
According to the law, two alleles for each gene segregate from each other during gamete formation, so that each gamete receives only one of two alleles.
This segregation ensures that each offspring inherits only one allele from each parent, and it serves as the foundation for the dominance and recessiveness principle, which states that one allele may mask expression of another.
The law of segregation explains how, in the given scenario, the offspring of a cross receive only one allele from each parent, resulting in all offspring being either Tt or TT and exhibiting the dominant phenotype of tallness.
Thus, the correct option is D.
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what are the most common uses of fish in the world? select all that apply.
source of diet protein for human
bones are ground up and mixed into certain plasters
food supplement for livestock,pets, and hatcheries
extracted oils are used to produce glue,lubricants, and ink
select all that apply.
Answer:
source of diet protein for humans
food supplement for livestock, pets, and hatcheries
extracted oils are used to produce glue, lubricants, and ink
Explanation:
Answer:
Explanation:
source of diet protein for humans
food supplement for livestock, pets, and hatcheries
extracted oils are used to produce glue, lubricants, and ink
Studies conducted in England during the industrial revolution have shown that children born to poor families were on average shorter than those born to wealthy parents. The most likely explanation for the difference in height is difference in
what is the wet-bulb depression?
What are chemical mechanisms that start a reaction
Galen's new baby is scrunching up her face, breathing irregularly, making little sounds, and moving her eyes rapidly back and forth under closed lids. galen asks you if this means the baby is waking up. from what you know about sleep cycles, your best answer would be _____.
Galen's new baby is likely in a phase of REM sleep, which is characterized by rapid eye movement, occasional body twitching and irregular breathing. This phase doesn't indicate the baby is waking up.
Explanation:Based on the behavior Galen's new baby shows - scrunching up her face, breathing irregularly, making little sounds, moving her eyes rapidly back and forth under closed lids - it appears that she is probably in an REM (Rapid Eye Movement) sleep phase, not waking up. This phase of sleep is characterized by such eye movement and occasional body twitches. Babies spend a lot of time in REM sleep, which is crucial for the extraordinary brain development happening in their early life.
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What are some factors of diseases that researchers look at in deciding whether or not a disease is appropriate for gene therapy?
if you flip a penny 99 times and each time it came up heads then the chance of the penny coming up heads is ___
a.1%
b.50%
c.25%
d.100%
The opening between the right atrium and the right ventricle is controlled by the
Which of the following statements is true about the function of DNA in the body?
a.
DNA transfers cell products.
b.
DNA confers structure on the cell.
c.
DNA makes enzymes work more efficiently.
d.
DNA stores the information needed to make protein.,
DNA stores genetic information to make proteins in the body.
True statement about the function of DNA in the body: d. DNA stores the information needed to make protein.
DNA serves as the blueprint for cell structure and physiology, containing genetic information required for protein synthesis. This information is crucial for building structural proteins, enzymes, and all cellular components.
DNA's primary function is to store genetic information and direct the synthesis of proteins necessary for cell growth, reproduction, and cellular functions.
What evidence would prevent scientists from classifying viruses as living organisms?
The evidence would prevent scientists from classifying viruses as living organisms that would need the scientists to see the organisms as per their phylogeny relationship.
What is the name of any living fossil ?
The name of a living fossil are the sedimentary rocks such as with the multiple impressions with it.
Viruses are not made out of cells such that they can't keep themselves in a stable state as they don't grow such that they can't make their own energy as even though they definitely replicate and adapt to their environment, viruses are more like androids than real living organisms.
Proteins help to diagnose the structures of the species via the type of structures that are present in the structure in order to view the types of structures that are present in it.
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The correct option is A (i) and (iii)
Viruses are the smallest among all microorganisms.
Lack of cellular structure
Viruses lack a cellular structure and the cellular machinery needed to make proteins by themselves.Inability to maintain homeostasisViruses do not maintain homeostasis.Inability to reproduce on their ownViruses can only reproduce after they have invaded the cells of another organism.Inability to use their own energyOutside of a host cell, viruses do not use any energy and only become active when they come into contact with a host cell.Once activated, they use the host cell's energy and tools to make more viruses.
Correct question is : Which of the following statement(s) is/are true about viruses?
i. Viruses are the smallest among the microorganisms
ii. Viruses can live freely
iii. Viruses use the host cell to reproduce
iv. Viruses do not have DNA or RNA
A. i and iii
B. ii and iv
C. i
D. iii and iv
Which three groups contain large algae known as seaweeds? which three groups contain large algae known as seaweeds?
Why can benedict's solution be used to distinguish between glucose and sucrose?
a.glucose is a carbohydrate, and sucrose is a protein.
b.benedict's solution will release carbon dioxide bubbles from sucrose, but it cannot release carbon dioxide from glucose.
c.glucose is a reducing sugar, and sucrose is not a reducing sugar.
d.benedict's solution turns orange in the presence of sucrose, but remains blue in the presence of glucose. submit for grading save and finish later?
PLEASE HELP ME ILL MARK YOU BRAINLIEST AND GIVE YOU POINTS
What prediction can you make about the impact of these threats on the resident populations versus the transient populations?
A) The resident populations are more likely affected by these threats because of their proximity to shore.
B) The resident populations and the transient populations are likely to be equally affected by these threats.
C) The transient populations are more likely affected by these threats because of their distance from shore.
D) Neither the resident populations nor the transient populations are likely to be affected by these threats in the future.
Answer: A) The resident populations are more likely affected by these threats because of their proximity to shore.
Explanation:
All of these threats are higher in coastal regions.
As contaminants usually reach the ocean through rivers or because of coastal cities, the highest degree of pollution is there. All chemicals will accumulate in this region first, before they disperse into the offshore region. This is also caused by the fact that the coastal waters have a lower volume and surface area than the offshore which results in a higher degree of contamination.
Vessels are very similar to contaminants, as the number of vessels is highest in coastal waters, where ports are also placed. Vessels spread over large areas in offshore waters will gather in coastal waters as they enter the port. Recreational vessels not suited for open ocean are also numerous here.
Prey availability also is lower in coastal regions due to human activities such as pollution and fishing (which decreases the prey population), as well as vessels (which may scare the prey away or deteriorate their habitat).
Answer:
A Resident populations are more likely affected by these threats because of their proximity to shore
Explanation:
just took the test and got it right
After the delivery of her child, the mother went to the _________ unit of the hospital.
Skin color in humans is an example of a phenotypic trait that is determined by polygenic inheritance. three separate gene loci determine skin color (p, q and r), where each gene locus has an additive effect on skin color and the capital letters represent incompletely dominant alleles producing dark skin. what fraction of the children of a medium-toned (ppqqrr) mother and medium-toned (ppqqrr) father would exhibit the lightest possible skin color(genotype: ppqqrr)?
The fraction of children with the lightest possible skin color in this case is 1.
Explanation:Skin color in humans is determined by polygenic inheritance, meaning that it is influenced by multiple genetic factors. In this case, three gene loci (p, q, and r) determine skin color, with each locus having an additive effect. Capital letters represent incompletely dominant alleles producing dark skin. To determine the fraction of children with the lightest possible skin color (genotype: ppqqrr), we need to consider the inheritance patterns.
Both parents have the same genotype, ppqqrr, which means their children will also have this genotype.Since the alleles for dark skin are incompletely dominant, individuals with the genotype ppqqrr will have the lightest possible skin color.Therefore, all of their children will have the lightest possible skin color, resulting in a fraction of 1.So, all of the children of a medium-toned (ppqqrr) mother and medium-toned (ppqqrr) father would exhibit the lightest possible skin color.
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Research the types of cells present in the kidney.
A client who has been having recurrent attacks of severe abdominal pain over the past few months informs the physician about a 25-pound weight loss in the past year. the nurse attributes which factor as the most likely cause of this weight loss?
The nurse is taking a history on kumar, who informs her that he has an allergy to adhesive tape. when the nurse asks kumar to describe his reaction to the tape, he describes it as "blotchy and reddened." what type of allergic reaction is this?
List three things needed for microorganisms to grow and reproduce
For microorganism to grow and form a population, they require both chemical and physical requirements. The chemical requirements required are gas such as oxygen and also mineral elements. The elements that are required are nitrogen and phosphorous. The physical elements required include the temperature of the environment. According to temperature organism are classified into three groups. Psychrophilic microorganisms are found in the cold temperatures, mesophilic are the ones which are found in the moderate temperatures and the thermophilic are found in areas with high temperatures.
Microorganisms require nutrients, moisture, and an appropriate temperature range to grow and reproduce. These conditions facilitate the exchange of matter with the environment, which is vital for their life processes.
Explanation:To ensure their growth and reproduction, microorganisms require certain conditions to be met. Three crucial things they need are:
Nutrients: Microorganisms need food, just like all living organisms. These nutrients can come from various sources, depending on the type of microorganism.Moisture: Water is essential for the biochemical reactions necessary for microbial growth.Appropriate temperature: Each microorganism has an optimal temperature range that supports its growth and reproduction.By having access to these basic needs, microorganisms can exchange matter with the environment, which is critical for them to grow, reproduce, and maintain organization.
The most reliable source of vitamin b12 for the vegan would be
Which best describes the role of a negative feedback loop?
The answer is A i know you got this already it's 2019 now.
Which type of muscle tires quickly during exercise. smooth muscle breathing muscle skeletal muscle cardiac muscle?
which macromolecule makes up the majority of the cell membrane?
A.) nucleotide
B.) lipid
C.) protein
D.) carbohydrate
Answer:
B-Lipids
Explanation:
What does the large intestine extract water from undigested food?
When considering light moving through a diffraction grating, you should treat the light as A) both a particle and a wave. B) a particle. C) a wave. D) neither a particle nor a wave.
Answer:
A) both a particle and a wave
Explanation:
I just had this question on USA Test Prep so I know it is right.
Answer:
A) both a particle and a waveExplanation:
You should treat the "light as both a particle and a wave.. Due to the way the light interacts after the grating, you can see a pattern of interference that can only be explained by waves.
Prokaryotes reproduce rapidly and this allows genetic variation to spread quickly through a population. what two processes can create variations in prokaryotic populations?
If 70 percent of the hypothetical population passed along allele b, the dominant allele for brown eyes, and 30 percent passed along allele b, the recessive allele for blue eyes, the proportion of the subsequent generation with brown eyes would be ___________, given the hardy-weinberg equilibrium.
The proportion of the subsequent generation with brown eyes is 0.91.
Explanation:The proportion of the subsequent generation with brown eyes can be determined using the Hardy-Weinberg equilibrium equation. In this case, the equation is: p^2 + 2pq + q^2 = 1
where p^2 represents the proportion of individuals homozygous dominant for brown eyes (allele BB), 2pq represents the proportion of individuals heterozygous for brown eyes (allele Bb), and q^2 represents the proportion of individuals homozygous recessive for blue eyes (allele bb).
Given that 70% of the population has allele B (brown eyes) and 30% has allele b (blue eyes), we can calculate the proportion of individuals with brown eyes as follows:
p^2 = (0.7)^2 = 0.49
2pq = 2(0.7)(0.3) = 0.42
q^2 = (0.3)^2 = 0.09
Therefore, the proportion of the subsequent generation with brown eyes would be 0.49 (homozygous dominant) + 0.42 (heterozygous) = 0.91.
A chemoorganotroph and a photoautotroph in the same environment would not compete for
Final answer:
Chemoorganotrophs and photoautotrophs would not compete for light energy as they have different energy sources, with the former relying on organic compounds and the latter on sunlight for photosynthesis.
Explanation:
A chemoorganotroph and a photoautotroph in the same environment would not compete for light energy, because chemoorganotrophs do not rely on light. Instead, they obtain energy by oxidizing organic compounds. In contrast, photoautotrophs like plants and algae use sunlight to convert carbon dioxide and water into organic compounds, a process known as photosynthesis. Therefore, these two types of organisms have different nutritional requirements and energy sources, reducing direct competition between them.
Chemoautotrophs are distinct from photoautotrophs because they extract energy from inorganic chemical compounds rather than from sunlight. Both types of autotrophs produce organic matter from carbon dioxide, but the source of energy for that process is different. Chemoautotrophs often thrive in environments devoid of sunlight, such as deep-sea hydrothermal vents, where they can utilize the chemical energy available from substances like hydrogen sulfide (H₂S).
A water-treatment method in which water is filtered through a screen to eliminate chemical contaminants and microorganisms is known as a water-treatment method in which water is filtered through a screen to eliminate chemical contaminants and microorganisms is known as reverse filtration. chlorination. distillation. micron filtration.
Answer:
Option D, micron filtration.
Explanation:
Micron filtration is a process of water clarification in which waste or impure water is passed through a set of sieve which can be of any pore size depending upon the impurity type i.e the size of contaminants or micro organism
However in reverse filtration water is force to passed through a semipermeable membrane on application of pumping force. Distillation is a physical process of cleaning in which mixture is separated based on difference in boiling points and chlorination is addition of chlorine or its compounds.
Thus, option D is correct.