Which of the following nutrients are commonly found in human food?
A. Carbohydrates
B. Proteins
C. Fats.
D. All of the above.
Answers
Answer:
Carbohydrates, Proteins and fats are one of the most common nutrients found in food, so the answer is option D All of the above.
Explanation:
There are seven major nutrients which should be consumed on regular basis and are found in our daily food items. Top three include carbohydrates, proteins and Fats.
Carbohydrates are found in vast variety of foods we daily consume. Some of which are rice, potatoes, bread, milk e.t.c
Proteins are usually found in eggs, polutry and fish whereas meat and dairy products are considered to be good source of fats.
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Proteins, lipids, and carbohydrates are some of the most prevalent nutrients in meals. Hence option D is correct.
What are nutrients?Nutrients are defined as the chemical compounds needed to control how the body functions. A nutrient is a substance needed by the body for survival, growth, and reproduction, according to the World Health Organization. Nutrients, in other words, are what provide us energy and enable our bodies to carry out their fundamental activities.
The three main categories of macronutrients in food that are needed in considerable amounts on a daily basis are carbohydrates, proteins, and fats. They provide all of the diet's calories and 90% of its dry weight. Water, carbs, protein, fat, vitamins, and minerals are the six main nutrients. Human bodily cells all contain protein.
Thus, proteins, lipids, and carbohydrates are some of the most prevalent nutrients in meals. Hence option D is correct.
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Related Questions
Why are inferences a vital part of the scientific process?
They are the facts and patterns that are studied.
They are foundations for hypotheses.
They are the data that supports a claim.
They are conclusions based on facts.
Answers
Inferences are referred to as reasonable conclusions drawn based on past experiences, observations, and knowledge. It's a calculated guess that can lead to developing an hypothesis.
Inferences are a vital part of the scientific process as they are they are conclusions based on facts (option D).
As earlier stated they are very vital in the scientific process. This is because studying the facts and patterns observed enables a conclusion to be drawn (inference) and an hypothesis to be developed and allows for further studies.Learn more about inferences in scientific process: https://brainly.com/question/10699301
Answer the following. The first to answer corectly and provide relevent evedence will
be potentaly be given a heart, five stars, and branleist. the querstions are;
___________________ is the study of heredity.
An organism that has a __________ gene pair will always have two genes for a particular trait.
The _________________________ is a chart used to predict the traits for the offspring from a cross.
a characteristic that is not passed from one generation to the next in the genes but instead is acquired during the lifetime of an individual is called what.
A gene in a gene pair that is always expressed
The science of heredity; the study of how traits are passed from parent(s) to offspring
When both genes from a homologous pair are identical
Factors in the environment of an organism that limit the full expression of a gene
When both genes from a homologous pair are different
Two similar chromosomes; one from the mother and one from the father
The links that hold the two sides of the DNA molecule together
Answers
Answer:
Genetics is the study of heredity.
4. What is the basic form of stored energy in fossil fuels?
oxygen
carbon
nitrogen
uranium
Answers
Answer:
The answer is Carbon.
Explanation:
Carbon is the basic element where the most energy is stored and used as a fuel.
Plz help me I'll give branly stuff. plzzzzz
Answers
Answer:
The answer is B
5. Explain why over 96% of the human body is made up of only four elements.
Answers
The human body is an example of a eukaryote and has been known to be composed of elements and compounds that include carbon, hydrogen, oxygen, and nitrogen mainly.
What are the elements of the human body?Humans are animals that are primarily composed of chemicals, atoms, and molecules at the simplest level of organization. The element that comprises over 96% of the body includes nitrogen, carbon, hydrogen, and oxygen.
These elements make the various compounds that play a major role in the activity and function of the cell. They provide the necessary energy required by the body for growth, cellular activities, and other metabolic functions.
The elements combine in various proportions to make carbohydrates, proteins, fats, and lipids essential for the survival and development of humans.
Therefore, carbon, nitrogen, oxygen, and hydrogen are four elements.
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Chloroplasts convert radiant energy from sunlight into chemical energy with
the help of the pigment
Answers
Answer: Chlorophyll
Explanation:
Chloroplasts contribute to the cell by housing the photosensitive pigment chlorophyll which is able to facilitate the conversion of light energy to chemical energy.
which subatomic particle is responsible for naming the atom and why?
Answers
Answer: The proton is the subatomic particle that is responsible for naming the atom.
Explanation: The number of protons which is also shown on the periodic table determines the identity of an atom.
The number of fatty acids chains present in a molecule of a
phospholipid is _
Answers
The molecule of phospholipid contains two fatty acid molecules linked to -OH groups and a nitrogen-containing base bound to the phosphate group.
Phospholipids are a class of lipids whose molecule has a hydrophilic head containing a phosphate group and two hydrophobic tails derived from fatty acids, joined by an alcohol residue.
Thus, it has a strongly non-polar and hydrophobic tail consisting of fatty acid chains and a polar and hydrophilic head comprising a negatively charged phosphate group and a positively charged base. Because of this dual solubility, the phospholipids are called AMPHIPHATIC lipids.
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What does complex animals mean in biology
Answers
Answer:In biology, a species complex is a group of closely related organisms that are so similar in appearance and other features that the boundaries between them are often unclear.
15. Which of the following is controlled by multiple genes and influenced by the environment? *
Codominant traits
Single gene traits
Polygenic traits
Incomplete dominant traits
Answers
Hey can you please help me with this
please and thank you
Answers
Secretin and cholecystokinin (CCK) are hormones that are secreted from what GI organ?
Large intestine
Stomach
Small intestine
Answers
Secretin and cholecystokinin (CCK) are hormones that are primarily secreted from the small intestine.these hormones are essential for the proper digestion and absorption of nutrients in the small intestine.
Secretin is released from the duodenum in response to acidic chyme entering the small intestine from the stomach.It stimulates the pancreas to release bicarbonate-rich fluids to neutralize the acidic chyme. Secretin also inhibits gastric acid secretion from the stomach and stimulates bile secretion from the liver. On the other hand, CCK is released from the duodenum and jejunum in response to the presence of fat and protein in the small intestine. CCK stimulates the gallbladder to release bile, which emulsifies fats and aids in their digestion. It also stimulates the pancreas to secrete digestive enzymes that further break down fats, proteins, and carbohydrates.
In summary, these hormones are essential for the proper digestion and absorption of nutrients in the small intestine. They work together to regulate the release of digestive enzymes and fluids from the pancreas, liver, and gallbladder.
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What is an enzyme?
1
A catalyst that breaks down
large molecules
2
A catalyst that speeds up a
reaction
3
A biological catalyst / substance
that speeds up chemical
reactions
Answers
Answer:
An enzyme is a biological catalyst and is almost always a protein.Answer:
3
Explanation:
an enzyme is a biological substance which 99% of which are proteins and the rest are made up of nucleotides. Also, they speed up chemical reactions but keep in mind that they will remain when the reaction is finished.
Omar wants to determine if the mass of a model rocket affects how long the rocket is able to stay up in the air. To do this, he constructs three identical rockets and then fills two of the rockets with varying amounts of sand to add mass. He then launches the rockets one at a time and times how long they are able to stay airborne.
What is the test variable (independent variable) in Omar's experiment?
Answers
Answer: To do this, he constructs three identical rockets and then fills two of the rockets with varying amounts of sand to add mass.
Explanation:
A mutation occurs in the coding region of a gene with the following sequence AAGTGC. The translated sequence is Lysine (AAG), Cysteine (TGC). Give an example of the following types of mutation using AAGTGC as your normal sequence. Provide the translated sequence caused by the mutation. (Hint: You will need a codon table to translate the sequence)
(a) Synonymous mutation
(b) Non-synonymous missense mutation
(c) Non-synonymous nonsense mutation
Answers
(a) Synonymous mutation: AAGTGC is the normal sequence coding for Lysine (AAG) and Cysteine (TGC). A synonymous mutation occurs when a gene changes its nucleotide sequence but the amino acid sequence remains unchanged. An example of this type of mutation using AAGTGC is AAGTGT. The translated sequence would still be Lysine (AAG) and Cysteine (TGT). This is because TGT is a codon for Cysteine, so the amino acid sequence remains unchanged.
(b) Non-synonymous missense mutation: AAGTGC is the normal sequence coding for Lysine (AAG) and Cysteine (TGC). A non-synonymous missense mutation occurs when a gene changes its nucleotide sequence and the amino acid sequence is also changed. An example of this type of mutation using AAGTGC is AAGTGA. The translated sequence would be Lysine (AAG) and Glutamic acid (TGA). This is because TGA is a codon for Glutamic acid, so the amino acid sequence is changed from Cysteine to Glutamic acid.
(c) Non-synonymous nonsense mutation: AAGTGC is the normal sequence coding for Lysine (AAG) and Cysteine (TGC). A non-synonymous nonsense mutation occurs when a gene changes its nucleotide sequence and the amino acid sequence is changed to a stop codon. An example of this type of mutation using AAGTGC is AAGTAA. The translated sequence would be Lysine (AAG) and Stop codon (TAA). This is because TAA is a codon for Stop codon, so the amino acid sequence is changed from Cysteine to Stop codon, which causes the protein to be truncated.
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what can be said regarding the relationship between genetics and obesity? genetics provides only a risk for overweight and obesity, not a definite destiny. genetics is destiny. if an individual has the fto gene, he or she will become obese. there really is no genetic relationship, only environment. eating sweets and carbs changes chromosomes so that the individual's offspring will have difficulties with obesity.
Answers
Genetics provides only a risk for overweight and obesity, not a definite destiny.He wants his child to have asthma, keep smoking.Thinking abstractly and hypothetically.Attention and memory.That the neighbor is correct, the treatment of choice in the U.S. is relaxation therapy.
What is the relationship between obesity and genetics?Seldom does obesity run in families with a clear pattern of inheritance brought about by alterations in a particular gene.Its melanocortin 4 receptor is encoded by the most frequently mentioned gene, MC4R.
Can can be said about the link between fat and genetics?Genetics merely offers a chance of becoming overweight or obese, not a guarantee.Toddlers with this attachment style interact with mother when she's present, but not very much, and they don't react when the mother leaves or comes back.
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which is the most basic level of organization in the human body
Answers
Answer:
a cell
Explanation:
cells are the most basic unit of life. cells form tissues which form organs which form organ systems which form an organism
Answer:
The first and most basic level of organizations in human body is cellular level. Cell is the basic unit of life and smallest unit.
A high-speed cell chase down Chemotaxis Street ended with an escaped suspect! The responding police officer could not catch the cell because the cell had a long whip-like tail that allowed it to move quickly. Which organism is the most likely suspect?
Group of answer choices
Paramecium
Amoeba
Pseudopod
Euglena
Answers
Answer:
D. Euglena
Explanation:
Euglena organisms have flagellum.
Which organelle/cell part is responsible for detoxing the cell. It is a network of sac and channels that transport lipids and stores ions/proteins.
Answers
Answer:
Peroxisomes
Explanation:
Peroxisome a type of organelle present in both animal and plant cells, is a membrane-bound cellular organelle that often contains enzymes.
Peroxisomes, including lipid synthesis and chemical detoxification, conduct major roles. Peroxisomes play a crucial role in particular biomolecules being oxidized. They also contribute to the biosynthesis of plasmalogens-known membrane lipids.
Although all the anatomical parts of muscle work together to give it it's characteristics, which of the following proteins listed below would be most associated with the characteristics of contractility?
-voltage gated sodium channels
-elastic (titin) filaments
-thick (myosin) filaments
-potassium (K+) leak channels
Answers
Of the following proteins listed below, the one that would be most associated with the characteristics of contractility is thick (myosin) filaments.
What are the characteristics of contractility?A characteristic of muscle tissue is contractility. A muscle cell's capability to contract or shorten and create movement or tension between its ends is known as contractility. This mechanism is regulated by proteins that are a part of the muscle filaments in cells, which enable them to change shape when stimulated.
Actin and myosin are two proteins that enable contractility in cells. Myosin filaments are the main protein involved in the process of muscle contraction. This process involves the cross-bridge cycle of myosin binding to actin and the release of energy to enable muscle contraction and relaxation.
Myosin filaments are responsible for producing the force that causes muscular contraction. Myosin is a thick filament that interacts with thin actin filaments to generate cross-bridges in striated muscle cells. When these cross-bridges form and reform, they cause the muscle cells to contract, producing muscle movement.
So, of the following proteins listed below, thick (myosin) filaments would be most associated with the characteristics of contractility.
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Absorption of a light wave occurs in what materials?.
Answers
Absorption of a light wave occurs in materials that have electrons that can be excited by the energy of the light wave.
When a light wave encounters matter, it is either reflected, absorbed, or transmitted. Absorption occurs in materials that have electrons that can be excited by the energy of the light wave. When a photon of light is absorbed by an atom, the energy of the photon is transferred to the atom, exciting the electrons in the atom to higher energy levels.
If the energy of the photon is greater than the energy required to excite an electron to a higher level, the electron is excited to a higher level.
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In the 1940s and 1950s, Dr Barbara McClintock studied mosaic colour patterns in corn and discovered their unstable inheritance and the underlying mechanisms. In 1983 she was awarded the Nobel Prize in Physiology/Medicine for her discovery, and is now considered one of the most influential geneticists of the 20th century. (a) Name two synonymous names for the genetic elements that Dr McClintock discovered
(b) What can these genetic elements do, and what can the consequences be for a gene and for a host genome?
(c) Which gene function do these elements require for their activity, and what are the two classes that these elements can be assigned to, and how do these two classes function in a host genome? (d) Why did Dr McClintock initially find resistance to publish her findings and in the scientific community, to the point that she did not publish these for 20 years, and why were her ground-breaking research findings a paradigm shift in the end?
Answers
They are known by two synonymous names: transposable elements or transposons. These elements can move within a genome and have various consequences for a gene and the host genome.
(a) The two synonymous names for the genetic elements discovered by Dr. McClintock are transposable elements and transposons. These terms refer to segments of DNA that have the ability to move or transpose within a genome.
(b) Transposable elements can have various effects on genes and the host genome. They can insert themselves into a gene, disrupting its function and causing mutations. They can also influence gene expression by inserting near regulatory regions, affecting the level of gene activity. Additionally, transposable elements can cause genomic rearrangements, such as duplications, deletions, or inversions, altering the structure of the genome.
(c) The activity of transposable elements requires specific genes called transposase genes. Transposase enzymes catalyze the movement of transposable elements within the genome. Transposable elements can be classified into two main classes: Class I retrotransposons and Class II DNA transposons. Class I retrotransposons transpose via a copy-and-paste mechanism, where the element is first transcribed into RNA, then reverse transcribed back into DNA and inserted at a new location. Class II DNA transposons, on the other hand, move through a cut-and-paste mechanism, directly excising from one genomic location and reinserting into another.
(d) Dr. McClintock initially faced resistance and skepticism from the scientific community, which led her to withhold publishing her findings for nearly 20 years. At the time, the prevailing belief was that genes were fixed entities with stable positions in the genome. Dr. McClintock's discovery of mobile genetic elements challenged this view and was initially met with skepticism.
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Which of the following best explains how a mouse is able to navigate its environment to find food? Choose 1 answer: Choose 1 answer: (Choice A) A A mouse has cells whose genetic makeup can change depending on the circumstances, such as whether the mouse is looking for food in the light or dark. (Choice B) B A mouse has systems of specialized cells, such as muscle cells for movement and olfactory cells for smell, that help it carry out this function. (Choice C) C A mouse navigates its environment through a series of redundant systems, so if one system is injured while the mouse is looking for food, another will take its place.
Answers
The statement that best explains how a mouse is able to navigate for food is : A mouse has systems of specialized cells, such as muscle cells for movement and olfactory cells for smell, that help it carry out this function ( B )
A mouse navigates through its environment properly with the help of its whiskers, because their eyesight is not sensitive enough. they also possess a powerful sense of smell ( olfactory cells ) which helps them to locate/detect their food and also detect predators either at night or during the day time.
For the mouse to move swiftly it possesses specialized muscle cells that makes it very mobile regardless of the time.
Hence we can conclude that the statement that best explains how a mouse navigates for its food is ; A mouse has systems of specialized cells, such as muscle cells for movement and olfactory cells for smell, that help it carry out this function ( B )
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Answer:
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Deep sea corals can be hundreds or thousands of years old. truefalse
Answers
Deep sea corals can be hundreds or thousands of years old is true.
Sea corals are set up deep inside the ocean and abysses. They can survive in the shallow water. Deep ocean corals can be set up in groups or differently can be set up collectively in water. They belong to phylum cnidaria and they live for thousands of times. They're set up deep outside and if not disturbed in their niche they can live long. Deep- ocean corals can live for hundreds to thousands of times, feeding directly on bitsy creatures.
They have been set up throughout the ocean on the rocky ocean bottom, in defiles, and on international pitches. Like their shallow- water cousins, deep- ocean corals give territories for a huge variety of organisms. They grow about one millimeter each time to end up at around 5- 10 centimeters in length in maturity.
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The stages of a plant’s life cycle are _____. zygote and fertilization sporophyte and gametophyte fertilization and sporophyte gametophyte and zygote
Answers
Answer:
Hello! So sorry I am late! I do not have the exact answer for this question but here is some information that may be able to help you.
Plants have two distinct stages in their lifecycle: the gametophyte stage and the sporophyte stage. The haploid gametophyte produces the male and female gametes by mitosis in distinct multicellular structures. Fusion of the male and females gametes forms the diploid zygote, which develops into the sporophyte.
Explanation:
I hope the information above was able to help you! Again I'm sorry I cant give the answer you were looking for! Have a great rest of your day or night and good luck on your work!
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Animal use chlorophyll to produce glucose.
True
False
Answers
explanation plants do
Animals use chlorophyll to produce glucose. This is a false statement. Hence, the correct answer is second one . Animals are not autotrophs but heterotrophs.
What is photosynthesis?Photosynthesis is a process in which oxygen and glucose are produced from carbon dioxide and water with the help of sunlight in green plants. This reaction is carried out by the green plant because it consists of chloroplasts.
The chloroplast is the organelle that has chlorophyll pigment, and this pigment is responsible for the photosynthesis process. Due to this, plants are called producers. Animals depend upon the plant for food and are called heterotrophs. Animals cannot do photosynthesis.
In different ecosystems, different producers are present, such as in aquatic ecosystems, where algae and seaweeds perform this function. In terrestrial ecosystems, plants perform this photosynthesis. Consumers feed them depending on the producers, and after both the consumer and the producer die, both are decomposed by decomposers.
Hence, animals use chlorophyll to produce glucose; this is the false statement.
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“Some viruses are programmed to reproduce by identifying bacteria, killing them, and assembling new viruses.viruses do not eat the bacteria and do not grow after they are made. Viruses are not alive. Explain two reasons why.”
Answers
1. Viruses cannot reproduce on their own: Unlike living organisms, viruses cannot reproduce on their own. They need to infect a host cell and hijack the host cell's machinery in order to replicate themselves. Once they have infected a host cell, they use the cell's energy and resources to create new copies of themselves. However, they do not have the ability to reproduce outside of a host cell.
2. Viruses do not have the ability to carry out metabolic processes: Living organisms carry out metabolic processes, such as respiration and digestion, in order to obtain energy and nutrients. Viruses do not have the ability to carry out these processes on their own. They rely entirely on the host cell to provide them with energy and nutrients. In fact, viruses do not even have the necessary machinery to carry out these processes. They lack the organelles, such as mitochondria, that are responsible for energy production in living cells.
Fossil skulls of Dimetrodon show that it had large, strong bones in its head for the attachment of its jaw muscles. Suggest how this adaptation could help it to survive?
Answers
Answer:
Dimetrodon (/daɪˈmiːtrədɒn/ (About this soundlisten) or /daɪˈmɛtrədɒn/, meaning "two measures of teeth") is an extinct genus of non-mammalian synapsid that lived during the Cisuralian (Early Permian), around 295–272 million years ago (Ma).It is a member of the family Sphenacodontidae. The most prominent feature of Dimetrodon is the large neural spine sail on its back formed by elongated spines extending from the vertebrae. It walked on four legs and had a tall, curved skull with large teeth of different sizes set along the jaws. Most fossils have been found in southwestern United States, the majority coming from a geological deposit called the Red Beds of Texas and Oklahoma. More recently, fossils have been found in Germany. Over a dozen species have been named since the genus was first erected in 1878.
Explanation:
Eva investigates the number of daisy plants growing on the school playing field.
She uses a quadrat to count the number of daisy plants growing in different areas of the
field.
The table shows her results.
quadrat
1
2
3
4
number of daisy
plants
8
2
7
Each quadrat has an area of 0.25 m².
The school playing field has an area of 15000 m².
Estimate the population of daisy plants growing on the school field.
Answers
Eva investigates the number of daisy plants growing on the school playing field and uses a quadrat to count the number of daisy plants growing in different areas and the total number of plants in the field is 330,000.
What is the population density?
The population density explains the total number of individuals present in a given area, as the density of the population of an area may increase or decrease based upon the availability of foods and the climatic conditions.
Hence, Eva investigates the number of daisy plants growing on the school playing field and uses a quadrat to count the number of daisy plants growing in different areas and the total number of plants in the field is 330,000.
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The question is incomplete, the complete question is the below
Eva investigates the number of daisy plants growing on the school playing field.
She uses a quadrat to count the number of daisy plants growing in different areas of the
field.
The table shows her results.
quadrat
1
2
3
4
number of daisy
plants
8
2
7
5
Each quadrat has an area of 0.25 m².
The school playing field has an area of 15000 m².
Estimate the population of daisy plants growing on the school field.
a)682
b)82500
c)330000
d)1320000
Which of the following nitrogen base pairs is correct?
a. adenine guanine
b. thymine cytosine
c. deoxyribose phosphate
d. cytosine guanine
(the boxes represent arrows going right)
Answers
The correct nitrogen base pair is d. cytosine → guanine.
In DNA, there are four nitrogenous bases: adenine (A), thymine (T), cytosine (C), and guanine (G). These bases pair up in a specific manner known as complementary base pairing. Adenine always pairs with thymine, and cytosine always pairs with guanine.
Option a. adenine → guanine is incorrect because adenine does not pair with guanine. Adenine pairs with thymine.
Option b. thymine → cytosine is incorrect because thymine does not pair with cytosine. Thymine pairs with adenine.
Option c. deoxyribose → phosphate is incorrect because these are not nitrogenous bases. Deoxyribose is a sugar molecule, and phosphate is a component of the DNA backbone.
Option d. cytosine → guanine is the correct answer because cytosine indeed pairs with guanine in DNA.
Therefore, the correct nitrogen base pair is d. cytosine → guanine.
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