The functional group that is found in all amino acids is -NH2, which is the amino group.
Amino acids are the building blocks of proteins and contain both an amino group (-NH2) and a carboxyl group (-COOH) attached to a central carbon atom. The carboxyl group is responsible for the acidic properties of amino acids, while the amino group is responsible for the basic properties.
In addition to the amino and carboxyl groups, amino acids also contain a side chain or R-group, which can vary in size, shape, and chemical properties. There are 20 different amino acids commonly found in proteins, each with a different side chain that confers unique chemical properties.
None of the other functional groups listed -OH, =O, -PO42- are found in all amino acids. -OH is the hydroxyl group, which is found in some amino acids such as serine and threonine, but not all amino acids. =O is the carbonyl group, which is not found in any of the standard amino acids. -PO42- is the phosphate group, which is not present in amino acids but is found in some phosphorylated amino acids in certain proteins.
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The full question was here:
Which of these functional groups is found in all amino acids? -NH2 -OH =O -PO42-
which of these is an example of negative feedback? A. Constriction of skin blood vessels and contraction of skeletal muscles when it is too cold. B. calcium decreases. C. the parathyroid glands sense.
Option A is correct. Examples of negative feedback: Too cold causes the blood vessels in the skin to constrict and skeletal muscles to contract.
What is Body Negative Feedback?A negative feedback loop, also called an inhibition loop, allows the body to regulate itself. This process begins when the body system performs better, resulting in higher levels of certain proteins and hormones. This stops (neutralizes or reverses) future production by the system.
What is Negative Feedback in Homeostasis?Negative feedback mechanisms, better known as negative feedback homeostasis, are pathways triggered by performance deviations, causing performance changes in the opposite direction to the initial deviation.
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What is the main function of the Calvin cycle in plants?
The goal of the Calvin cycle is to create three-carbon sugars that can be used to build other sugars, such glucose, starch, and cellulose, that are beneficial for human consumption.
The Calvin cycle first generates three-carbon sugars, which are then used by plants as building blocks to construct other sugars including glucose, starch, and cellulose.Airborne carbon molecules are instantly transformed into plant matter by the Calvin cycle.The plants' special qualities allow them to make meals on their own in a number of ways.The Calvin cycle refers to the reactions of photosynthesis that use the energy built up by the light-dependent activities to produce glucose and other carbohydrate molecules.
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Which process allows these molecules to cross the membrane
ENDOCYTOSIS AND EXOCYTOSIS.
Explanation:
Hope it helps you~1. Which scientist's ideas eventually lead to the theory that Earth is several billion years old?
A. Charles Lyell
B. Alfred Russel Wallace
C. Georges Cuvier O
D. Jean Baptiste Lamarck
Answer:
C. George Cuvier
Explanation:
During the 19th century, Georges Cuvier developed his own theory of catastrophes. Fossils show that animal and plant species are destroyed time and again by floods and other natural disasters, and that new species evolve shortly after that.
where is messenger rna edited into its final form?
In eukaryotic cells, messenger RNA (mRNA) is typically edited or modified in the nucleus before it is exported to the cytoplasm for translation. This process is called RNA processing.
RNA processing includes several steps, such as splicing, capping, and polyadenylation, that transform the primary transcript of mRNA into a mature, functional mRNA molecule that can be used to direct protein synthesis on ribosomes in the cytoplasm. During RNA processing, non-coding regions of the mRNA called introns are removed, and the remaining exons are spliced together. The resulting mRNA molecule also receives a modified nucleotide cap at the 5' end and a poly(A) tail at the 3' end, which help to stabilize the mRNA and facilitate its transport out of the nucleus.
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The given question is incomplete. The complete question is as follows:
Where is messenger RNA "edited" into its final form?
a.in the cytoplasm
b. in the ribosomes
c.in the nucleus
d. in the anticodon
the thin space between the parietal and visceral layers of the serous pericardium is the ______ cavity.
The primers play three roles in a PCR reaction. Select all of the answers that are correct. They denature the double-stranded DNA They serve as the templates onto which the new complementary strands are made. They determine what region of the genome will get amplified. They determine the size of the resulting PCR product. They provide a double-stranded region for Taq to initiate synthesis They are the monomers that are polymerized by Taq to make the new complementary strands
Primers serve three purposes in the PCR reaction. The second, fourth, and fifth choices are appropriate in this case since they show the three functions that primers perform in a PCR reaction.
It is known that primers are brief RNA or DNA strands (typically 18–24 nucleotide bases long). They are not monomers, at all. The synthesis of primers is carried out by primase rather than taq polymerase. The first option is incorrect.
Since the size of the PCR products generated in a reaction heavily depends on the primer design, the second option is the best.
The third approach is incorrect since primer does not serve as a temple and taq polymerase does not initiate synthesis from primer. A DNA strand serves as the template in a PCR process. Because primer offers free -3'OH, which taq polymerase uses to start synthesis.
The fourth option is the best one. Without primer, Taq polymerase cannot start adding nucleotides. The target chromosomal area that will be amplified by the PCR reaction can be specified by the primer, which makes the fifth option accurate.
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contains muscle that controls the shape of the lens is called?
Ciliary muscles contains muscle that controls the shape of the lens .
Iris is located in front of the eye's lens. To allow light to enter the eye, the little black dot in the centre of the pupil, known as the iris, expands and contracts. The lens collects light that comes from the iris and concentrates it so that it creates images that are clear and sharp on the retina. It is possible to replace a cataract patient's clouded natural lens with a clear artificial lens once the clouded lens has been removed.
Ciliary muscles are responsible for shaping the eye's lens. Our eyes' lenses must adapt in form to allow us to focus on objects that are farther or closer away. The ciliary muscles flatten the lens to concentrate on objects when they are more than 20 feet distant. The ciliary muscles of the eye bend and thicken the lens as things get closer, focusing on those items. Because the lens loses its suppleness with ageing, people have trouble seeing up close objects as they get older.
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cause
1. homeostasis maintained
2.homeostasis not maintained
effect
1. ?
2.?
The effects of homeostasis being maintained or not maintained can be summarized as follows:
Effect of homeostasis being maintained: When homeostasis is maintained, the body functions normally and effectively. This allows the body to perform its various functions, such as movement, digestion, respiration, and circulation, among others. In addition, it enables the body to respond to external stimuli and maintain a stable internal environment in the face of changes in the external environment.
What is Homeostasis?Homeostasis is the maintenance of a stable internal environment within an organism, despite changes in the external environment. When homeostasis is maintained, the body's systems work together to keep internal conditions within a narrow range that is optimal for the organism's survival and functioning. On the other hand, when homeostasis is not maintained, the body may experience a range of negative effects.
Effect of homeostasis not being maintained: When homeostasis is not maintained, the body may experience a range of negative effects. These effects can range from mild to severe, and can include symptoms such as fatigue, weakness, dizziness, fever, rapid heart rate, and changes in blood pressure. In some cases, the failure to maintain homeostasis can lead to more serious conditions such as dehydration, shock, and organ failure, which can be life-threatening.
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The zygote is a single cell and human adult has about 100 trillion cells. Approximately how many divisions should the zygote undergo to form the adult, considering the fact that one cell division leads to the formation of two cells?
Answer: 47 Divisions
Explanation:
We developed from a single-celled zygote by the process of mitosis and meiosis. The cells continued to divide until you were a multicelled organism. It would take 47 divisions to become an organism with 100 trillion cells.
2 Siberian spruce trees do all of their growing during the summer, not during the winter. Suggest at least two explanations for this.
Because of the short days, extreme cold, and an abundance of snow in winter, trees are unable to complete all of their growth during this time. Growth is impossible during the winter since there is little to no water and little to no sunlight.
What adaptations do Siberian spruce trees have?The Pecia ovobata's conical form encourages snow to shed and reduces branch damage. The needles' narrowness reduces the surface area through which water could escape. They also have a thick, waterproof waxy coating. The needles are shielded from drying winds as a result.
Spruce commonly withers in hot, humid conditions despite being a native of cool, dry regions. Pick a planting location with full sun exposure, rich, wet soil, and good drainage. Once planted, spruce is tolerant of brief droughts. The short version is that evergreens don't have to be green all the time, but it's perfectly normal for them to lose leaves in the winter and early spring. Check that newly planted trees and shrubs have received the recommended upkeep if they appear ill after spring or in the middle of summer.
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________ results from the activities of the nervous or endocrine system.
Extrinsic regulation results from the activities of the nervous or endocrine system.
The primary function of Endocrine glands is to release the hormones in bloodstream. they help to control mood, growth and development metabolism and reproduction. Endocrine system also helps to regulates hormone that is released examples include pituitary, thyroid, and adrenal glands.
Body parts involved in the endocrine system are hypothalamus which is present lower central part of the brain that is linked with endocrine system and nervous system. In hypothalamus nerves make chemicals that control and also releases hormones secreted by pituitary gland.
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what structure in a cell contains the genetic information?
Answer:
We now know that the DNA carries the hereditary information of the cell
what percent of newborns experience adverse effects due to in utero alcohol exposure?
Answer:
Studies interviewing women just after birth have found that between 25 and 35 percent of newborns were exposed to alcohol in utero (Gauthier et al.
movement from low concentration to high concentration will require ?
In active transport, substances are moved against the concentration gradient from a low-concentration area to a high-concentration one.
Does switching from a high to a low concentration level use up energy?Natural processes like passive transport take place without the cell using energy to move. Diffusion is the process by which chemicals travel passively from a region of higher concentration to a region of lower concentration.
Does assisted diffusion require ATP?It is not necessary to use high energy molecules like ATP for facilitated diffusion. Channel proteins and carrier proteins are used in this sort of diffusion to move molecules across the plasma membrane.
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bird banding stations band birds with different color bands, in different orders, so that they can identify each individual bird. one bird might have the band green over blue, while another has the band yellow over orange. what type of variable is bird band?
Given, one bird's band could be green over blue, while another's band could be yellow over orange. This type of variable is called Categorical - Nominal.
Little metal rings called "bird bands" have a number pattern engraved on them that can be used to identify particular birds. The bands have several sizes, from a tiny hummingbird band to an eagle band that is "size 9". The ankle and foot joints cannot be covered by a band that rotates around the bird's leg, similar to a bracelet.
There are numerous methods for capturing birds, but at Powdermill we frequently employ mist nets or potter traps. In a number of ecosystems, fine mesh nets called mist nets are strung between poles. They stand about 8 feet tall and 12 meters long.
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Complete Question is:
Bird banding stations band birds with different color bands, in different orders, so that they can identify each individual bird. One bird might have the band green over blue, while another has the band yellow over orange. What type of variable is bird band?
Select one:
a. Categorical - Nominal
b. Categorical - Ordinal
c. Numeric - Continuous
d. Numeric - Discrete
the collection of microorganisms that live on or on a human host in a mutually beneficial way is called the human ______.
The term "human Microbiome" refers to a group of microorganisms that cooperatively coexist on or in a human host.
What are the names of the microorganisms that exist on or in the human body?Abstract. Millions of minuscule living things, collectively referred to as the human microbiota, live inside the human body. Microbes known as bacteria are most commonly found in the gut, nose, and mouth.
What exactly is a microbiome?There are around 30 trillion human cells in every human body, but our microbiome is made up of an estimated 39 trillion microbial cells, including bacteria, viruses, and fungus that live on and inside of us.
The genes that these cells carry make up the human microbiome, which is made up of the 10-100 trillion symbiotic microbial cells that each individual harbours, predominantly bacteria in the gut.
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What condition is a mushroom like growth from the surface of a mucous membrane?
Pendunculated polyps are tissue growths that resemble mushrooms and are attached to the mucous membrane of the colon by a long, thin stalk.
Polyps are microscopic, scaly, or mushroom-shaped growths that develop in the mucosa or right next to it. Inflammatory polyps, lymphoid polyps, and fibroepithelial polyps are only a few of the various varieties. The sore is known as a deep tissue injury when it's not an open wound present but the tissues underneath have been harmed (DTI). There might be a blood-filled blister or a region of skin that appears dark red or purple. Vesicles with a diameter more than 0.5 cm are called bullae. Bullae's thin walls make them prone to rupture. Bullae are large blisters that develop from second-degree burns.
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Life as we know it cannot flourish on the moon but it might be possible for it to survive. What life form on Earth might survive on the moon?
bacterial endospores
Bacterial endospores is life form on Earth might survive on the moon. Bacterial endospores are simplified forms of the bacteria, consisting of the DNA genome, some small amount of cytoplasm, and a specialized coating that confers resistance to heat, radiation, and other harsh external conditions.
Endospores are vegetative forms of bacteria that are dormant, incapable of reproducing, and enzyme-inactive. The phrase "sporulating bacteria" is more commonly used to describe endospore-producing bacteria. The majority of sporulating bacteria are Gram positive bacteria that belong to the Firmicute phylum. These bacteria that produce endospores are Bacillus and Clostridium species. A bacterium's condensed form is an endospore. It consists of a core that only has what is absolutely necessary to start bacterial growth. A strong, multiple-layered coating that is very impermeable surrounds the core. By reducing the bacterium to a dehydrated, cryptobiotic, and highly defensive state that confers resistance to numerous environmental circumstances, endospores protect the bacterium from hazardous environmental conditions.
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______ is a type of lipid that is found only in foods of animal origin.
Only foods of animal origin include the lipid class known as sterols. Since they have many rings, sterols are distinct from other lipids in this regard.
Which lipids are present in animals?In the natural world, lipids are found in both plants and animals and are usually preserved as triacylglycerols and waxes. However, triacylglycerols constitute the primary component of lipids, both consumed and stored, whereas waxes are not commonly seen in freshwater organisms.
Triacylglycerols, sometimes referred to as triglycerides, phospholipids, and sterols, are the three primary categories of lipids. 1) The majority of lipids in the diet—more than 95%—are composed of triglycerides. Only foods of animal origin—meat, egg yolks, fish, poultry, and dairy products—contain the well-known sterol cholesterol.
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Crossing over occurs during which phase of meiosis?
(a) Interphase
(b) Telophase I
(c) Metphase II
(d) Prophase I
.
The correct option is d) Prophase I. The meiotic phase known as prophase I is when the chromosomes cross each other. It takes place during prophase I's pachytene stage.
Crossing over is the exchange of segments between the non-sister chromatids of homologous chromosomes. Prophase I marks the start of meiosis I. Leptotene, zygotene, pachytene, diplotene, and diakinesis are the five stages that make up this stage, and they are what set it apart.
Both the homologous recombination process, which exchanges DNA between paired chromosomes, and the crossing at chiasmata between non-sister chromatids are highlighted in prophase I.
The conclusion of this phase is indicated by the destruction of the nuclear membrane and nucleolus. Prophase I begins after metaphase I, during which homologous chromosomes align along a single plane in the centre of the cell.
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Choose the best explanation as to why both consumers and producers perform cellular respiration.
Although they may obtain their sugars in different ways, both consumers and
producers rely on cellular respiration to make ATP.
Cellular respiration is a process that both consumers and producers engage in to produce energy for their metabolic processes in the form of ATP (adenosine triphosphate).
Cellular respirationCells release energy through a process called cellular respiration, which breaks down organic molecules like glucose to power cellular functions including growth, movement, and reproduction.Cellular respiration takes place in the cells of consumers, like animals, to break down the organic molecules they eat, including proteins, lipids, and carbs, into smaller molecules that can be utilized to produce ATP. The animal's body temperature, mobility, and other activities are maintained by using this energy to drive cellular operations.Along with photosynthesis, cellular respiration also takes place in the cells of producers like plants.Although photosynthesis is the main way that plants make energy, it does not meet all of their needs; as a result, they also need to engage in cellular respiration in order to manufacture ATP for their cellular functions.Therefore, cellular respiration is a crucial activity in the functioning of living creatures and is carried out by both consumers and producers as a necessary way to generate energy and carry out their metabolic activities.learn more about cellular respiration here
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a tube that carries air from the larynx to the lungs_____
a tube that carries air from the larynx to the lungs is called trachea.
What is trachea?The windpipe, sometimes referred to as the larynx or voice box, is joined to the bronchi of the lungs by an organ called the trachea, which is fashioned like a tube. Air can travel through it and into the lungs, making it a crucial component of the respiratory system. To give structural support and keep the trachea from collapsing during inhalation, the trachea is built up of cartilage rings. Cilia aid to capture and remove any foreign objects or mucus from the trachea's inner lining by covering it. When air moves across the vocal cords in the larynx, it is the trachea that causes sound to be produced.
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The biological species concept is inadequate for grouping. A) plants. B) parasites. C) asexual organisms. D) animals that migrate. E) sympatric populations.
The biological species concept is considered to be inadequate for grouping in certain cases, such as: plants, parasites, asexual organisms., animals that migrate and sympatric populations.
Options A, B , C , D and E are all correct
What are biological species?A biological species is described as a group of organisms that can reproduce with one another in nature and produce fertile offspring.
The biological species concept is inadequate for grouping in plants because the concept does not fully account for the diversity of reproduction mechanisms in plants which includes asexual reproduction and hybridization.
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A typical eukaryotic cell that would have the greatest amount of mitochondria would be?
A. Liver
B. Muscle
C. Fat
D. Skin
Answer:
B. Muscle
Explanation:
Muscle cells have lots of mitochondria because they need to be able to generate a lot of energy at once.
I hope this helps... :)
_____ results from the activities of the nervous or endocrine system.
A) Self-regulation
B) Automatic regulation
C) Intrinsic regulation
D) Extrinsic regulation
E) Autoregulation
The correct answer is option E) Autoregulation. Autoregulation is an organism's capacity to keep its internal environment and physiological functions within a defined range despite changes in the environment.
It is accomplished by the neurological and endocrine systems' operations. Internal conditions including temperature, pH, oxygen, and carbon dioxide levels are controlled through autoregulation.
Controlling physiological processes including heart rate, breathing, vasoconstriction, and vasodilation is how this is accomplished. While the endocrine system employs hormones to govern body functions, the nervous system uses electrical impulses to control muscles and hormones.
To maintain homeostasis, which is the body's capacity to maintain a steady internal environment in spite of external changes, autoregulation is crucial. The body needs autoregulation to perform at its best and to survive.
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classify the words or phrases as descriptions or examples of fibrous proteins, globular proteins, or both.
Collagen: Fibrous protein Collagen is a fibrous protein found in connective tissues throughout the body. It is the most abundant protein in mammals and has a triple helix structure.
Collagen provides strength and structure to tendons, ligaments, and skin, and it is also found in bones, blood vessels, and the gut. It is responsible for the elasticity and resilience of the skin, and it helps to form the scaffolding that maintains the shape of organs and other tissues. Myoglobin: Globular protein Myoglobin is a globular protein found in muscle tissue. It is responsible for storing and releasing oxygen and is required for the aerobic metabolism of muscle cells. It binds and transports oxygen from the lungs to the muscle, and it also helps regulate the acidity of the muscle cells. Myoglobin is made up of an iron-containing heme group and a protein component, and its structure allows it to bind oxygen and store it for later use.
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if you are busy all day and do not have time to eat, the hormone that will be released by your pancreas is __________.
If you are busy all day and do not have time to eat, the hormone that will be released by your pancreas is glucagon .
In general the Exocrine function is to release enzymes through the pancreatic duct to the intestines to digest food. Important function of endocrine glands is to release hormones that helps insulin and glucagon to released directly into the blood.
Hence , the posterior lobe produces two hormones, vasopressin and oxytocin. Hormones like vasopressin and oxytocin when released inside the hypothalamus they sends messages to the pituitary gland through nerve cells. Vasopressin is also known as antidiuretic hormone (ADH).
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A/an _____ is a forecast of what will happen in the future based on past experience and data
Utilizing previous data, predictive analytics forecasts future events. Typically, a mathematical model that captures significant trends is constructed using historical data.
Then, using the most recent data, this predictive model is applied to make predictions about the future or to advise a course of action for the best results. Recent developments in supporting technology, particularly in the fields of big data and machine learning, have drawn a lot of attention to predictive analytics. Businesses seek an advantage to stand out in crowded markets due to rising competition. Predictive analytics powered by data can assist businesses in finding fresh solutions to age-old issues. To boost the value to the consumer, product developers can incorporate predictive capabilities into already-existing systems.
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This figure is showing an example of:
A Mendelian trait
Natural selection
A dominant trait
A recessive trait
A continuous trait
The figure is showing an example of Natural selection.
Darwin's Theory of Natural Selection still reigns supreme in every discussion of evolution, and it is for this reason that the theory must be scrutinized; for it is not difficult to demonstrate that the term "natural selection" is a metaphor that carries many meanings, and sometimes different meanings to different men.
Darwin attempted two things in his magnificent work, The Origin of Species: first, to demonstrate that the data supporting evolution makes that explanation plausible. No such large amount of data had ever been assembled before, and it caused, as we all know, a revolution in our ways of thinking.
Darwin also assigned himself the challenge of demonstrating how evolution might have occurred. He mentioned the environment's influence, the consequences of use and disuse, and natural selection. His name is particularly associated with the last theory.
He invoked a well-known fact: no two people are exactly alike, and some of the variations they exhibit are hereditary. He contended that individuals who are most matched to their environment are more likely to survive and leave the most children.
As a result, their children should eventually replace the species' less well-adapted members via competition. This is the mechanism Darwin referred to as natural selection, and Spencer referred to as survival of the fittest.
In these broad strokes, there is nothing in the theory to which anyone is likely to object. But let us take a closer look at the argument.
We uncover disparities when we measure, weigh, or categorize any characteristic displayed by individuals in a group.
We realize that some of the differences are attributable to the diverse experiences that the individuals have had throughout their lives, i.e. to their environment, but we also recognize that some of the differences may be due to individuals having different ancestors—different germplasms.
Some recognizable examples will assist to cement this connection.
If we arrange the leaves of a tree by size, we discover a continuous sequence, although there are more leaves of middle size than extremes.
If many beans are sorted by weight and those between specific weights are placed in cylinders, the cylinders will appear when stacked according to the size of the beans.
An imaginary line drawn over the tops of the piles will yield a curve that conforms to the probability curve.
A similar arrangement may be obtained by arranging guys in lines based on their height.
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