Human DNA is 99.9% identical from person to person. Although 0.1% difference doesn't sound like a lot, it actually represents millions of different locations within the genome where variation can occur, equating to a breathtakingly large number of potentially unique DNA sequences.
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The function of the root hair plexus is to ________. The function of the root hair plexus is to ________. serve as a source for new epidermal cells for hair growth after the resting stage has passed bind the hair root to the dermis allow the hair to assist in touch sensation cause apocrine gland secretion into the hair follicle
The function of the root hair plexus is to allow the hair to assist in touch sensation. Thus, the correct option is C.
What is Root hair plexus?Root hair plexus may be expressed as a remarkable class of nerve fiber endings and functions as a very sensitive mechanoreceptor for touch sensation.
The root hair plexus surrounds the hair follicle which belongs to the rapidly adapting group of mechanoreceptors. Due to this property, they allow the root hair plexus to assist in touch sensation.
Therefore, the correct option for this question is C.
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The preganglionic neuron cell bodies of the S2-S4 spinal cord segments are the origin of preganglionic parasympathetic axons that branch to form the ______.
The preganglionic parasympathetic axons branch to form the pelvic splanchnic nerves.
What is Parasympathetic division of the ANS?It originates from the preganglionic neurons located in brainstem nuclei and S2–S4 segments of spinal cord. Some of the preganglionic parasympathetic axons originate from preganglionic neuron cell bodies housed within the lateral gray matter of the S2–S4 spinal cord segments.These preganglionic parasympathetic axons branch to form the pelvic splanchnic (visceral) nerves, which contribute to the superior and inferior hypogastric plexus.The parasympathetic and sympathetic divisions of the ANS have the same basic components, but they differ in their origins, locations of the preganglionic cell bodies, axon lengths, and amount of branching.Learn about Sympathetic preganglionic neurons here
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If a cell was unable to maintain homeostasis and the temperature became too hot how could this prevent atp synthase from performing its function
If a cell is unable to maintain homeostasis and the temperature increases, the activity of ATP synthase is subsequently inhibited.
ATP synthase is an enzyme that is present in the mitochondria of a cell. This enzyme is a complex molecule that has multiple parts. The primary function of this enzyme is to synthesize ATP molecules, which are the energy currency of a cell. This ATP synthase forms a vesicle along the lines of the mitochondrial membrane which is a necessary step for the synthesis of ATP molecules. The ATP synthase enzyme synthesizes ATP molecules from ADP and phosphates inside the mitochondria.
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Nerve cells do not begin to develop until after a child is born. please select the best answer from the choices provided t f
Answer:
False
Explanation:
Before a child is born, their nerve cells proliferate. Before birth, twice as many neurons is produced by the unborn child's brain. This can be considered a safety margin when a newborn is making their arrival to the world.
Excess neurons ⇒ Shed into Utero
The process by which oxygen and carbon dioxide are exchanged between the body and its environment through the movement of air in and out of the lungs is:
Answer:
the answer is Respiration
The largest reservoir of phosphorus in the biosphere is
Answer:Ocean sediments
Explanation:
an organism that has two different alleles for a trait
Answer:
heterozygous.
Explanation:
An organism that is heterozygous for a trait has two different alleles for that trait.
Based on the pyramid and what you know about iron, do you think you get enough iron in your diet?
Which of the following statements concerning energy is false
a) During photosynthesis, plants convert kinetic energy into chemical energy
b) A gasoline engine converts chemical energy into kinetic energy
c) Fireflies are able to take potential energy in the form of food and convert that energy into kinetic energy in the form of heat and light
d) Energy transformation in cells are accompanied by the release of heat energy
e) Living systems convert heat into chemical energy to reduce entropy
Answer:
e. loving systems convert heat into chemical energy to reduce entropy
Explanation:
Entropy is the measure of energy in which heat is unable to reduce entropy
What are the advantages and disadvantages to sunscreens containing common active ingredients such as oxybenzone, octocrylene, and homosalate?.
Sunscreens contain chemical ingredients in their compositions, such as avobenzone, oxybenzone, octocrylene, homosalate, octisalate and octinoxate, which have been linked to health problems such as hormonal disruptions, cancer, as well as liver and kidney changes.
What is oxybenzone, octocrylene, and homosalate bad for?Oxybenzone, octocrylene, and homosalateto protect from UVA also penetrates deep into the skin. The penetration into the human body can cause several problems in human health such as
allergic reactionscell mutationderegulation of hormonal processes, etc.With this information, we can conclude that Oxybenzone, octocrylene, and homosalateto is considered a hazardous eye irritant and, as an allergen, is also known to cause skin allergies.
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Inadequate erythropoiesis or hemoglobin synthesis, hemorrhage, and increased RBC destruction are all common causes of the erythrocyte disorder called
Inadequate erythropoiesis or hemoglobin synthesis, hemorrhage, and increased RBC destruction are all common causes of the erythrocyte disorder called anemia.
What is anemia?When you have anemia, your body doesn't produce enough healthy red blood cells to supply your tissues with enough oxygen.The most prevalent and clinically diverse erythrocyte volume homeostasis disorders are the inherited exocytosis syndromes.The severity of anemia varies, and some individuals do not seek medical care until far into their later years.The 3 main causes of anemia
Blood lossLack of red blood cell productionHigh rates of red blood cell destruction.Learn more about RBC here:
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Answer:
Hemolytic anemia
Explanation:
49. The chemical agent or hazardous material that interferes with the body's ability to transfer oxygen to the cells is:
The chemical agent or hazardous material that interferes with the body's ability to transfer oxygen to the cells is: Hydrogen cyanide
It is an asphyxiant. It obstructs the utilization of oxygen in the organ of the body which is more delicate to low oxygen levels: the brain, the heart and veins, and the lungs. Hydrogen cyanide has a particularly harsh almond scent in any case it portrays a smelly "old shoes smell". It likewise has an unpleasant consuming taste and is much of the time utilized as a solution in water.
Hydrogen cyanide is also known as a synthetic military chemical. It is utilized in industry in mining, electroplating, fumigation, and the development of fibers, plastics, colors, and pesticides.
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What type of cross is a mating between two individuals that are both heterozygous for the same two genes
Answer:
Dihybrid cross
Explanation:
Glycogen - Starch - Polysaccharide - Saturated fat A. Carbohydrate polymer B. Hard at room temperature C. Animal carbohydrates D. Plant carbohydrates
Polysaccharide - A) Carbohydrate polymer
Starch - D) Plant carbohydrate
Glycogen. - C) Animal carbohydrate
Saturated fat. - B) Hard at room temperature
What are carbohydrates?Carbohydrates (also called carbs) are a type of macronutrient found in certain foods and drinks. Sugars, starches and fiber are carbohydrates.
Carbohydrates are often referred to as saccharides and form ring structures.
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Glycogen - (C) Animal carbohydrate
Starch - (D) Plant carbohydrate
Polysaccharide - (A) Carbohydrate polymer
Saturated fat - (B) Hard at room temperature
1. Glycogen - Animal carbohydrate
Animal starch is a type of starch termed glycogen that is present in animal tissue.
2. Starch - Plant carbohydrate
The primary form of stored carbohydrates in plants is starch.
3. Polysaccharide - Carbohydrate polymer
long-chain polymeric carbohydrates made up of glycosidic connections holding monosaccharide molecules together.
4. Saturated fat - Hard at room temperature
Saturated fats are tightly packed fats that are solid at room temperature because their chemical structures don't contain double bonds.
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Together, all of the alleles contained within a group of interbreeding individuals are known as a Group of answer choices clinal distribution. polymorphism. population. gene pool.
Together, all of the alleles contained within a group of interbreeding individuals are known as option(d) i.e, Gene pool.
What is a Gene pool?A gene pool is a collection of all the genes (including alleles) found in a population or species that is capable of reproduction. A big gene pool has a wide range of genetic diversity and is more resilient to environmental stresses.
Frogs in a pond, trees in a forest, or residents of a municipality are a few examples.
Each and every human on Earth has the ability to interbreed with others of the same species. Therefore, every allele of the roughly 19,000–20,000 human genes found in our DNA makes up the human gene pool.
Through evolution, the gene pool of a population can evolve over time. Numerous processes, such as mutations, natural selection, and genetic drift, can cause this.
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A class or broad-spectrum bacteriostatic antibiotics that are produced by soil organisms and inhibit protein synthesis by binding to bacterial ribosomes are known as
A class of broad-spectrum bacteriostatic antibiotics that are produced by soil organisms and inhibit protein synthesis by binding to bacterial ribosomes is known as Chloramphenicol.
Chloramphenicol is a drug used to treat superficial eye infections such as bacterial conjunctivitis and otitis externa. It was also used to treat typhoid fever and cholera. Chloramphenicol is an antibiotic and belongs to the class of antibacterial agents that inhibit protein synthesis.
Chloramphenicol is used to treat serious infections in different parts of the body. It may also be given with other antibiotics. However, Chlorum phenicole should not be used to prevent colds, flu, other viral infections, sore throats, other mild infections, or infections.
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Leucocytes or white blood cells fight infection. They have the ability to leave the bloodstream and enter a damaged or infected area. What is the name of this process of leaving the bloodstream
Diapedesis is the process in which white blood cells come out of the blood vessels into the surrounding area in case of injuries.
WBC is key to immunity:
Lymphocytes are immune cells found in the blood and lymph tissue. T and B lymphocytes are the two main types. Macrophages are large white blood cells that reside in tissues that specialize in engulfing and digesting cellular debris, pathogens and other foreign substances in the body.
function of WBC:
White blood cells are part of the body's immune system. They help the body fight infection and other diseases. Types of white blood cells are granulocytes (neutrophils, eosinophils, and basophils), monocytes, and lymphocytes (T cells and B cells).
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Compare how fresh and marine fish overcome problems
Answer:
the ciliated epithelium tissue helps to collect the ovum why?
did not eat breakfast this morning before she headed out to class. As a result the hormone ________ will be released by her _________ in an effort to raise blood glucose levels.
The hormone cortisol will be released by her liver in an effort to raise blood glucose levels.
Why is blood sugar high before breakfast in the morning?Hormones like cortisol and growth hormone indicates the liver to increase the production of glucose in the early morning, which gives us energy to wake up. In order to maintain healthy blood glucose levels, this causes the pancreatic beta cells to release insulin.
Blood sugar levels will already be lower if we don't eat, and any medication we take could further lower them, which could result in hypoglycemia. We can become unsteady, faint, or even fall into a coma as a result of hypoglycemia. We run the risk of developing too-high blood sugar levels when we eat to "break" your fast.
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Microtearing that occurs during which muscle action is responsible for delayed onset muscle soreness (DOMS)? Eccentric Concentric Isometric Isotonic
Microtearing that occurs during which muscle action is responsible for delayed onset muscle soreness (DOMS) involves eccentric activities.
What are Eccentric activities?This activities involve the lengthening of the muscles during certain activities such as lowering into the bottom of a pushup etc.
This activities are usually slow which causes microtearing and delayed onset muscle soreness in individuals.
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Determine if the following statement is true or false and why. “Primary and Secondary Consumers lose about 30% of the energy they absorb from food as heat.” A. False, it should read “Only Secondary Consumers lose about 30% of the energy they absorb from food as heat.” B. True C. False, it should read “Primary Consumers lose about 5% of the energy they absorb from food as heat, while Secondary Consumers lose 30% as heat.” D. False, it should read “Primary and Secondary Consumers lose about 5% of the energy they absorb from food as heat.”
Answer:
Explanation:
They loose 30% energy from the food they consume because heat make animals and people sweat therefore is where the 30% is drained from
Question 3 of 10
A science student makes the following statement.
Plant growth is affected by the color of light.
What is the student doing?
A. Forming a hypothesis
B. Making a prediction
C. Analyzing results
D. Collecting data
Answer:
The answer to your question is: D. collecting data
Explanation:
During this process , researchers would use their observational skills and record every notable occurrence that happen to the variables.
"Data collection is the process of gathering and measuring information on variables of interest, in an established systematic fashion that enables one to answer stated research questions, test hypotheses, and evaluate outcomes."
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It is known that certain macroinvertebrates (small aquatic organisms) are sensitive to polluted waters. Stonefly larvae, for example, are very sensitive to polluted water and low dissolved oxygen. You collect a lot of stonefly larvae in your study of a local stream and conclude that this stream has high levels of dissolved oxygen and is minimally polluted. Your conclusion is an example of Multiple Choice inductive reasoning. deductive reasoning.
Stonefly larvae, for example, are very sensitive to polluted water and low dissolved oxygen. You collect a lot of stonefly larvae in your study of a local stream and conclude that this stream has high levels of dissolved oxygen and is minimally polluted. Your conclusion is an example of deductive reasoning.
In both science and daily life, deductive reasoning is a sort of deduction. It occurs when you combine two genuine premises to arrive at a conclusion. As an illustration, A = B. B and C are also equal. Deductive reasoning allows you to draw the conclusion that A and C are equal given those two statements.Every dolphin is a mammal, Every mammal possesses kidneys.You can draw the conclusion that all dolphins have kidneys through deductive reasoning. Keep in mind that for this to function, both assertions must be true.
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Lactose intolerance a. arises from inability to metabolize the disaccharide lactose b. depends on a deficiency of sucrose in the diet c. is based on the composition of lactose, consisting glucose and fructose in glycosidic linkage d. arises because lactose is a dimer of galactose
b. depends on a deficiency of sucrose in the diet is Lactose intolerance.
Signs of lactose intolerance include nausea, cramps, fuel, bloating, or diarrhea within 30 minutes to 2 hours after ingesting milk or dairy products. Signs occur due to the fact there isn't always sufficient lactase being produced by the body to digest the lactose fed on.
Without lactase, the body can't well digest food that has lactose in it. because of this if you consume dairy meals, the lactose from these foods will skip into your intestine, which could cause fuel, cramps, a bloated feeling, and diarrhea, that's free watery poop.
You could take lactase pills before you eat or drink milk products. you may additionally upload lactase drops to exploit before you drink it. The lactase breaks down the lactose in food and drinks, lowering your chances of having lactose intolerance signs and symptoms. test along with your medical doctor earlier than using lactase merchandise.
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Serotonin (5-hydroxytryptamine, 5-HT) is a neurotransmitter with receptors (5-HT receptors) located in cells throughout the body. There are more than a dozen different types of serotonin receptors that fall into several different classes. One class consists of serotonin-activated ion channels and the other receptor classes are G-protein-coupled receptors that associate with different G proteins. The 5-HT7A receptor couples to Gs and activates adenylyl cyclase, while the 5-HT2B receptor couples to G, and activates phospholipase C. The diversity of receptor types has led pharmacologists to search for drugs that will bind to and modulate just a single receptor class in order to limit systemic side effects (see 5-Hydroxytryptamine Receptor Subtypes and their Modulators with Therapeutic Potentials). Place into bins the downstream effects predicted for a drug that exclusively activates the 5-HT7A receptor versus a drug that exclusively activates the 5-HT2B receptor. Items (5 items) (Drag and drop into the appropriate area below) Cytosolic calcium increase PKC activation PKA activation CAMP production IP 3 production Receptor subtype 5-HT7A 5-HT2B
The monoamine neurotransmitter 5-hydroxytryptamine, or serotonin, is derived from tryptophan and is synthesized both centrally and systemically.
14 structurally and functionally distinct receptor subtypes have been identified for serotonin, each mediating the action of neurotransmitters via a series of downstream signaling molecules and effectors.
Although most commonly described for its role in the pathogenesis of neuropsychiatric and mood disorders, serotonin is involved in many basic physiological processes including apoptosis, mitochondrial biosynthesis, cell proliferation, and migration. increase. Its role as a neurotransmitter is also manifested in pathogenic conditions ranging from anorexia nervosa to cancer.
This requires an understanding of the signaling mechanisms underlying the serotonergic system, which has led to the creation of an integrated pathway map that provides resources for future biomedical research in this pathway.
Using a rigorous set of NetPath annotation criteria, we manually curated the molecular responses associated with serotonin and its receptors from the published literature. Response categories included molecular association, activation/inhibition, post-translational modification, transport, and gene regulation at the transcriptional and translational levels.
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Read the passage to answer the question.
Even though scorpions are related to spiders,
there are many differences between the two
organisms. One difference is that scorpion
young do not hatch from eggs as spiders do.
Scorpions are born live, two at a time, and they
immediately crawl onto the mother's back for
protection and care. They remain there for two
weeks as they grow big enough to take care of
themselves.
Which cellular process do scorpions most likely
go through to produce
ATP?
anaerobic respiration
O aerobic respiration
O alcohol fermentation
O lactic acid fermentation
Consider a cell that has four pairs of chromosomes. What is the number of possible chromosome orientations in that cell?.
The number of possible chromosome orientations in a cell containing 4 pairs of chromosomes are: 16.
The formula to calculate the possible orientations of chromosomes is 2ⁿ. Here, n stands for the number of chromosome pairs. From the question we know that the chromosome pairs are 4 in number and hence 2⁴ = 16.
Chromosomes are the carriers of genetic information and are crucial for the inheritance of traits from one generation to the next. They are long, thread-like structures made of DNA (deoxyribonucleic acid) and proteins. They are found inside the nucleus of eukaryotic cells, which are cells that have a defined nucleus enclosed within a membrane.
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If we pric a plant and an animal cell, which one of them would lose its shape and why?
Answer:
Explanation:the animal cell would lose its shape as the plant cell has a cell wall which gives shape and protection but the animal cell don't have a cell wall.
The ____________ is adjacent to the duodenum of the small intestines. It is divided into four parts from right to left: ____________ , ____________ , ____________ , and ____________ . The tip of the tail is adjacent to the ____________ . The pancreas is ____________ gland that is located in the ____________ .
The head is adjacent to the duodenum of the small intestines. It is divided into four parts from right to left: head, neck, body, and tail. The tip of the tail is adjacent to the spleen. The pancreas is an exocrine gland that is located in the stomach.
It's on your abdomen, just behind your stomach. It's the size of your hand. During digestion, the pancreas makes pancreatic juice called enzymes. These enzymes break down sugar, fat, and starch. Your pancreas also helps your digestive system by producing hormones.
An organ produces one or more substances such as hormones, digestive juices, sweat, tears, saliva, and milk. Endocrine glands release substances directly into the bloodstream. Exocrine glands secrete substances into tubes or openings inside or outside the body.
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The receptors for steroid hormones are located inside the cell instead of the membrane surface like most other signal receptors. How do steroids gain access to their receptors
The steroids gain access to their receptors because steroid hormones are lipid soluble and can readily diffuse through the lipid bilayer of the cell membrane.
The steroid hormone dissociates from its plasma carrier protein and diffuses throughout the mobile membrane. After gaining entry to the mobile, the free hormone binds to an intracellular receptor and alters gene transcription.
In keeping with the free hormone speculation, due to their hydrophobicity, steroids are able to freely diffuse across lipid bilayers; but, megalin-established endocytosis has been proven to be at the least partly answerable for the uptake of sex hormones and nutrition D.
Steroid hormones, in general, are believed to freely diffuse across a membrane partly due to their close resemblance to ldl cholesterol, but recent evidence indicates that they could additionally enter cells thru receptor-mediated endocytosis.
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