Fatty acid anions (e.g. soap) most commonly assemble into micelles in aqueous solution.
Fatty acids are the lipid structures that are the greatest source of energy for the body. The structure comprises of long chains of hydrocarbon with carboxylic acid at one end. The fatty acid can be saturated or unsaturated. The most common fatty acids are: palmitic acid and stearic acid.
Micelles are the aggregates of lipids. It is a circular structure formed when lipids are mixed in water as the hydrophobic tails of the lipid come in close contact to avoid the water molecules. The hydrophilic head region of the micelle remains on the outer side in contact with the water.
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The brain is ________ to the skull. superior lateral anterior proximal deep
The brain is deep into the skull. superior lateral anterior proximal deep
What is a superior lateral?
The posterior branch of the axillary nerve continues after it passes through the deep fascia as the superior lateral cutaneous nerve of the arm (or superior lateral brachial cutaneous nerve). Axons from the ventral rami of C5–C6 are present.
It wraps around the deltoideus' posterior edge and provides the skin for the lower two-thirds of the muscle's posterior region as well as the skin for the triceps brachii's long head.
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The tails of the core histone proteins can be chemically modified by the covalent addition of what type of chemical group?.
Answer:
The tails of the core of proteins can be chemically modified by the covalent addition of acetyl, methyl and phosphate.
Histone and DNA have complex interface. Every nucleosome has 142 hydrogen bonds have seen between histone core as well as the DNA. An amino acid backbone of both the histones as well as the phosphodiester backbone of the whole DNA is where about half of these linkages are formed. Condensation of chromatin could be facilitated by methylating the histone tails inside the chromatin. DNA can be accessed for transcription by acetylation of histone tails within chromatin. Certain types of chromatin change could be transmitted to the next cell generations. The DNA is coiled more securely all around histone cores when the histone tails are deacetylated, which makes it more difficult for transcriptional to attach to the DNA. This process, termed as gene silencing, results in lower levels of gene expression.
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A protein is made of 100 amino acids. how many peptide bonds are in this protein?
Answer:
99
Explanation:
In dna sequencing, how does the addition of dideoxynucleoside triphosphates (ddntps) terminate the synthesis of new dna? \
ddNTPs have a hydrogen at 3' position which terminates synthesis of DNA.
ddNTPs is the abbreviated form for dideoxynucleotides triphosphates. They are known as chain elongating inhibitors. The Sanger method is a sequencing technique that is used to increase the number of DNA copies. The DNA synthesis requires magnesium ions, a single-stranded DNA template, oligonucleotide primer, and nucleotide precursors like dATP, dGTP, dTTP, and dCTP. Also, DNA polymerase is required which is an essential component for DNA synthesis.
The Sanger sequencing method is a significant process evident by its use in Human Genome Project which helped scientists in sequencing the human genome. The small sequenced fragments are joined together to form large regions subsequently forming chromosomes.
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The __________ endoplasmic reticulum manufactures lipids and carbohydrates where as the __________ endoplasmic reticulum assists with the synthesis of proteins and send them to the golgi apparatus.
The smooth endoplasmic reticulum manufactures lipids and carbohydrates.
The Rough endoplasmic reticulum assists in the synthesis of proteins and send them to the Golgi bodies.
What is the endoplasmic reticulum?
The endoplasmic reticulum (ER) is a continuous membrane structure that divides into flattened sacs in the cytoplasm of eukaryotic cells. It has a variety of roles but is notably crucial for protein synthesis, folding, modification, and transport.
Rough endoplasmic reticulum: Its name comes from the rough texture of its outer (cytoplasmic) surface, which is caused by the presence of ribosomes there. Rough ER is located next to the cell nucleus, and the nuclear envelope's outer membrane is continuous with its membrane.Smooth endoplasmic reticulum: It is distinct from ribosomes and has a different set of functions. The synthesis of lipids, including as cholesterol and phospholipids, which are needed to create new cellular membranes, is carried out by the smooth ER. Smooth ER is crucial for the synthesis of steroid hormones from cholesterol in certain cell types.
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Some of the most dramatic evidence for evolution has come from human agriculture. one of the most highly artificially selected crop plants is:_______
Some of the most dramatic evidence for evolution has come from human agriculture. One of the most highly artificially selected crop plants is corn.
Numerous branches of biology provide proof of evolution: Anatomy. Because a physical characteristic was present in a common ancestor, species may have similar physical characteristics (homologous structures). the study of molecules. The genetic code and DNA show how life has a common ancestor.The farmers kept the kernels from plants that had desirable traits and planted them for the harvest the following season. Artificial selection or selective breeding are terms used to describe this technique. Over time, maize cobs grew bigger and had more rows of kernels, finally taking on the shape of modern maize.Corn is one of the crops that has undergone the most artificial selection.To learn more about evolution.
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The protein found in large amounts in the superficial layer of epidermal cells is keratin. (t/f)
False. The protein found in large amounts in the superficial layer of epidermal cells is Collagen.
The collagen present in the outermost layer of the skin provides strength and resilience.
It also provides elasticity to the overall skin structure, regulates body temperature, and protects the outer layer from harsh environmental conditions.
If there is any problem with the skin due to a wound or any other issue, it helps to reproduce cells and regain shape.
It is a tough and insoluble protein made up of fibroblasts.
It is essential for human survival and without it, the skin will be completely damaged.
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As you glance at the person sitting next to you, light reflected from the person's shirt first passes through which three structures of your eye, and in what order?
The light reflected from the person's shirt first passes through the given eye structures in the following order: cornea → pupil → retina
What is the path of light through the eyes?The eye is the sense organ for sight.
The eye has several structures which enables it to focus light on the retina which is the sensitive spot on the eye where images are formed. The images formed on the retina are then processed in the brain to give a true picture of what is seen.
The eye has several structures which enable it to focus image on the retina. Some of the structures in the eye include;
cornea - a transparent tissue in front of the eye that helps to focus lightiris - the structure that controls the size of the pupilpupil - the opening in the eye that allow light to reach the retinaciliary muscles - the muscles that are attached to the irisretinaWhen light enters the eye, the path it follows is as follow: cornea → pupil → retina
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Where does the Prime Meridian run?
Select one:
a.
From north to south, through England
b.
From north to south, through the Pacific Ocean
c.
From east to west in the middle of the globe
d.
Through the center of the Earth
Answer:
A
Explanation:
from north to south , through England
How does the parfocal characteristic of a microscope affect the way a slide is viewed?
Parfocal refers to the idea that an image should maintain focus when shifted between distinct objectives. You should only make precise focus adjustments after the image is in focus.
Why is parfocal imaging crucial in microscopy?Parfocal goals are those that can be modified with little to no focussing. It is convenient when the lenses stay in focus when you change the magnification on your microscope. When a microscope has named objectives, this is feasible.
The picture will stay in focus while switching from a lower-power objective to a higher-power objective because high-quality microscopes are parfocal. The oil reflects more light because it has the same refractive index as glass.
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Patient r.m., who had suffered lesions of both the left and right parietal lobes, was able to?
Two functional zones can be distinguished in the parietal lobes. One deals with feeling and perception, and the other, mostly with the visual system, is about integrating sensory input.
Describe Parietal lobes.The first process combines sensory data to create a single perception (cognition). The second function creates a spatial coordinate system to symbolize the environment we live in. People who suffer from parietal lobe loss frequently display startling deficiencies, including as anomalies in body image and spatial interactions. Patient who had suffered lesions of both the left and right parietal lobes, was able to Enhance conjunction targets detection but not feature targets, Illusory conjunctions despite having ample time to observe the stimuli and Despite being able to read single words, he had difficulty localizing them.Learn more about the Parietal lobe with the help of the given link:
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Predict which type of fatty acid should offer the greatest benefit for membranes of plants and microbes in the coldest places on earth:________
The type of fatty acid that would offer the greatest benefit for membranes of plants and microbes in the coldest places on earth: Polyunsaturated fatty acid.
Fatty acids can be divided into three types saturated, monounsaturated and polyunsaturated fatty acids.
Polyunsaturated fatty acid are the fatty acids that have more than one unsaturated carbon bond or double bond in the molecule. The oil in the remains liquid at room temperature and starts solidifying only when chilled. It includes fats like omega-3 and omega-6.
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The _____ is a type of regulator protein that binds to a region of dna in the promoter of a gene called the operator and prevents transcription from taking place.
The repressor is a type of regulator protein that binds to a region of DNA in the promoter of a gene called the operator and prevents transcription from taking place.
In the field of science, a regulator protein can be described as a kind of protein that affects the transcription of a gene by having an influence on particular DNA sites. The rate of synthesis of various proteins is controlled by the regulator proteins.
A repressor is a kind of regulator protein that prevents the transcription of a particular gene. When the rate of a protein in the body has reached normal, the transcription of the protein needs to be stopped in order for more protein of that kind to be formed. The repressor binds itself to the operator region for the gene, hence stopping the transcription process until the protein is required again.
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1 cm³ of water is equal to how many liters of water?
Answer:
0.001
Explanation:
Which feature is most commonly used to describe bacterial and archaeal cells?
a) no cell walls single-celled
b) no nucleus
c) no cellular membranes
Embryonic stem cells give rise to all cell types in the developing embryo. would you expect the interphase period of a stem cell to longer, shorter, or the same as compared to non-stem cells?
The interphase in embryonic stem cells is shorter as they are rapidly dividing.
Pluripotent stem cells, called embryonic stem cells (ESCs), are generated from the inner cell mass of the blastocyst, an early-stage preimplantation embryo. Four to five days after fertilization, the human embryo reaches the blastocyst stage, which consists of 50-150 cells. The blastocyst is destroyed when the inner cell mass (germinal cells) are separated by immuno surgery, raising moral questions as to whether the pre-implantation embryo follows the same moral standards as the post-implantation development. Similar to adult stem cells, these are stem cells supplied by a healthy, fully developed human being. They were not collected or implanted using embryos or fetuses. Scientists believe that stem cells can be used to treat and understand disease because they can differentiate into different cell types.Therefore, embryonic stem cells will have shorter interphase.
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Which neurotransmitter stimulates skeletal muscle cells to contract but slows contractions of the heart?.
The neurotransmitter that stimulates skeletal muscle cells to contract but slows contractions of the heart is acetylcholine.
Neurotransmitters are chemical messengers that are produced inside the neuron and play a role in the nervous system to transmit messages from nerve cells to the targetted cells.
Acetylcholine is synthesized from acetyl-CoA and choline by the cholinergic neurons. Acetylcholine stimulates muscle cell contraction by binding to its receptors on muscle fibers which results in the opening of the sodium channels so that sodium ions can enter the cell which eventually results in contraction.
The muscarinic M2 receptors present in the heart slow down the heart rate by decreasing the rate of depolarization. Acetylcholine binds to these receptors and activates them which results in decreased contractions of the heart.
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Meet the Texan Looking For a One-Way Ticket to Mars
A Corpus Christi woman is one of 100 finalists for the Mars One mission.
what does Shirelle hope they will discover about Mars by going there in person?
Answer:
fvdjdjkkd
Explanation:
jjjjcghkkjgygghhjdjkhgggvcvccfhjhhhhhhhi
Some biological anthropologists study:________
a. life on other planets.
b. the disappearance of languages.
c. extinct and living species of primates.
d. changes in marine life.
Option(c) extinct and living species of primates is the correct answer.
Some biological anthropologists research both extinct and current primatological species.
What is anthropology?Anthropology is the study of what makes people human.Anthropologists investigate all the various dimensions of the human experience from a holistic perspective.To learn how and what mattered to human groups use archaeology to access the past, whether it is hundreds or thousands of years ago.When did anthropology first start?Many academics believe that contemporary anthropology initially emerged during the Age of Enlightenment, an intellectual movement that focused on the power of reason to advance society and knowledge in 18th-century Europe.What makes anthropology significant?Anthropology offers the chance to investigate every facet of human life. It acts as a doorway to the unknown.By studying anthropology, we can get the answers to our questions about who we are, our past, present, and future.Anthropology aids in bridging cultural and geographic divides.
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Each spring, high school students, college interns, and retirees count and weigh tiny glass eels in streams that feed into the hudson river. they report their observations to the new york state department of environmental conservation hudson river estuary program and the national estuarine research reserve system, who depend on volunteers, to help build a database of information about glass eels. the observations that these volunteers make would best be described as__________
In streams that pour into the Hudson River every spring, high school students, college interns, and retirees weigh and count the tiny glass eels. the observations that these volunteers make would best be described as observational studies
They share their findings with the volunteer-run national estuarine research reserve system and the Hudson River Estuary Program of the New York State Department of Environmental Conservation in order to contribute to the creation of a database of knowledge on glass eels. These volunteers' observations are best characterized as discovery science.
What is science of discovery?The goal of discovery science, also known as discovery-based science, is to identify novel patterns, relationships, and hypotheses via the examination of extensive experimental data.
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The observations that these volunteers make would best be described as___ observational studies
What is observational study?
Observational studies involve the study of participants with none forced change to their circumstances, that is, with none intervention. Although the participants' behaviour may change under observation, the intent of observational studies is to research the 'natural' state of risk factors, diseases or outcomes
Why are observational studies important?
They help to investigate relationships that are unable to be tested under randomised controlled experiments, can help provide insight and develop hypotheses on what subsequent randomised evidence is required for future research, and may provide an understanding on how things work in clinical practice
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The accumulation of differences in species that causes new species to arise from existing ones is a process called:__________
The accumulation of differences in species that causes new species to arise from existing ones is a process called speciation.
Species is the lowermost level of hierarchy in the classification system. The most essential criteria for organisms to be placed in same species is that they should be able to exchange genes between them. This mean they should be able to breed among themselves.
Speciation is the formation of new species. Speciation is a type of evolution. There are several types of speciation. These are: allopatric (geographical isolation), sympatric ( same region of residence), parapatric (partial barrier) and peripatric (at the periphery).
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Among ____________ organisms such as humans, groups of cells with similar functions make up tissues.
Among Multicellular organisms such as humans, groups of cells with similar functions make up tissues.
Multicellular Organism- An organism with numerous cells is said to be multicellular. Technically, "multicellular" refers to more than one because the word "multi" is used to describe multiples of anything. The division of labor and cellular specialization enable the development of multicellular creatures.
Tissues- A collection of cells with similar structures and functions is referred to as a tissue.
Cell- The study of cell structure and function is known as cell biology, and it is based on the idea that a cell is the basic building block of all life. A thorough grasp of the tissues and organisms that cells make up is made possible by concentrating on the cell.
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You are looking around the lab and you happen to see fruit flies that have halteres on their legs. how could such a phenotype have resulted?
The fruit flies with a haltered legs is resulted due to homoetic transformation.
Fruit flies also called as Drosophila Melanogaster is considered as model organism for experimental purpose.
Halteres is a pair of club shaped organ that helps in rotation during flight.
Hox genes in Drosophila is responsible for causing homoetic transformation. Eight hox genes are present in most of the insects which are present in chromosome 3.
Hox genes are responsible for the homoetic transformation.
Homoetic transformation is the transformation that occurs in which the fate of the organism is changed to another.
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Glycosylated molecules are formed with glycosylated molecules are formed with? carbohydrates. nucleic acids. cholesterol. dna. lysosomes.
cholesterol
Glycosylated molecules are formed with cholesterol (lipids).
Why is glycosylation necessary and what does it entail?A crucial and tightly controlled method of processing secondary proteins inside of cells is glycosylation. It is essential for determining the stability, function, and structure of proteins. Glycosylation is known to alter the way proteins are arranged in three dimensions structurally.Which kinds of proteins have glycosylation?Nearly all studied living things have glycoproteins, which are proteins that have been glycosylated. These include eukaryotes, eubacteria, and archae. From simple single-celled organisms to intricate multicellular ones, eukaryotes have the most variety of creatures that express glycoproteins.What does "glycosylated" mean?Through an enzyme process known as glycosylation, carbohydrates are joined to the protein's structural core. A glycoprotein is a protein that has been glycosylated. N-glycosylation and O-glycosylation are the two most prevalent protein glycosylation processes.To learn more about glycosylated molecule visit:
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People with difficulty seeing objects at a distance are said to have myopia. true false
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True. People with difficulty seeing objects at a distance are said to have myopia.
What is myopia?Nearsightedness (myopia) is a common vision issue in which you can see items close to you well but objects farther away are indistinct. It happens when the shape of your eye causes light rays to bend (refract) wrongly, focusing images in front of your retina rather than on your retina.
Symptoms of nearsightedness may include:
Blurry vision when looking at faraway objectsThe necessity to squint or partially close one's eyelids in order to see clearlyEye strain causes headachesDifficulty seeing while driving, especially at night (night myopia)A refractive error is what leads to nearsightedness. When your eye doesn't focus light properly, a refractive error happens. When you are nearsighted, your eye instead focuses light in front of your retina than onto it.
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Mother teresa used her charisma to connect her ______ of serving the poor to the ______ of her followers.
Mother teresa used her charisma to connect her vision of serving the poor to the believe of her followers.
How can a leader emphasise the principles of their vision?Additionally, the appropriate terminology must be used while articulating a vision. A leader need to employ energising and exciting language and imagery (Sashkin, 2004; Zaccaro & Banks, 2001). A vision needs to be described in words that are reassuring, inspiring, and positive while yet undervaluing it.
The attitude, beliefs, and behaviours of the vision must be modelled by leaders. Values are concepts, opinions, and conduct that people deem to be desirable.
The vision of a leader is always complete.
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what happens to a person who has scurvy
Answer:
Scurvy is a sign of severe malnutrition, specifically a lack of vitamin C. Hair follicles can become clogged with keratin, old wounds may reopen and new sores begin to form. Parts of your body may swell, particularly your arms and legs. If left untreated, scurvy can lead to death from bleeding or infection
Keisha soaked 6 different kinds
of seeds in water for 24 hours. Then she
planted the seeds in soil at a depth of
1cm. She used the same amount of
water, light, and heat for each kind of
seed.?
She conducted an experiment to see that every plant need same type of enviornment or not.
What are new plants that grow from seeds are called?A seed develops into an embryonic plant called a sporophyte, which then becomes a seedling. The germination of the seed initiates seedling development. The radicle (embryonic root), the hypocotyl (embryonic shoot), and the cotyledons are the three primary components of a typical early seedling (seed leaves).
What is the difference between gymnosperms and angiosperms?Angiosperms are also referred to as flowering plants since they contain seeds inside of their fruit. Gymnosperms, on the other hand, have bare seeds on the surface of their leaves but no flowers or fruits. The seeds of gymnosperms are arranged like cones.
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Please please ASAP help me ..Will mark Brilliantest
Alex poured some pond water into three beakers. She then put waterweed into each beaker. She put the beakers in different places.
b. In the school pond there were lots of water lilies with large leaves covering the surface. There were not many plants growing below the surface. Suggest a reason for this.
Answer:
because the water lillieswere covering the pond so less light was entering
Answer:
The reason for this because no plant grows in no light area.
Explanation:
In the second answer, we can see that the pond is covered with water lilies which have larger leaves covering the large surface area of water, not allowing sunlight to pass through it. Sunlight is necessary to carryout photosynthesis, which means plant don't grow in no light condition. Hence, no plant grows in no light area.
A girl born with nonfunctioning ovaries could be expected to have a deficiency in the activity of which type of cell?
A girl born with nonfunctioning ovaries could be expected to have a deficiency in the activity of Osteoblasts.
Ovaries are the primary reproductive structures of the female which is responsible for the production of female sex hormones like estrogen and progesterone.
These hormones are also associated with the activity of the osteoblasts cells that are responsible for producing the matrix of the bone.
If a girl is born with non functional ovaries she would not be producing estrogen which in turn will decrease the activity of the osteoblasts cells of the bone leading to porous bones that are prone to breaking.
Even during menopause females become prone to osteoporosis due to low activity of osteoblasts cells.
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