Answer:
Kidneys are considered the most effective regulator of blood [H+] and pH
Explanation:
Kidneys are considered the most effective regulator of blood [H+] and pH because they can excrete excess hydrogen ions or bicarbonate ions into the urine, depending on the pH of the blood. The kidneys also produce and secrete hormones that regulate blood pressure and electrolyte balance, which affect blood pH. The lungs, stomach, and intestines also play a role in maintaining blood pH, but they are not as effective as the kidneys.
In the months preceding birth, the hormone which causes pelvic ligaments to become more flexible to enable widening of the pelvis during delivery is ________.
In the months preceding birth, the hormone which causes pelvic ligaments to become more flexible to enable widening of the pelvis during delivery is relaxin.
What is relaxin hormone?The ovary and placenta both generate the hormone relaxin, which has significant effects on the female reproductive system and on pregnancy. It loosens the ligaments in the pelvis and softens and opens the cervix in order to prepare for childbirth.Progesterone starts to come out of the corpus luteum, and it combines with relaxin to thicken the uterine lining, aiding in the implantation of the fertilized egg.In both pregnant and nonpregnant females, the corpus luteum is principally responsible for producing relaxin. During pregnancy, its plasma levels are at their peak. The decidua and placenta both manufacture relaxin during this state. Relaxin is produced in the prostate and released into the seminal fluid in males.Learn more about hormone here:
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Why does the invasive brown treesnake have a negative effect on the biodiversity of guam?
If brown tree snake or Boiga irregularis was introduced to Guam it can caused the mass extinction of most of the island's native bird and native lizard species. with the decrease in native pollinators their will be a huge decline in plant species in guam.
The brown tree snake is considered as ecological threat on the island of Guam, where it has swallow up nearly all the native birds since its accidental introduction more than 70 years ago. These brown tree snake was introduced to Guam in the mid of 1940's and has caused the functional extinction of all native forest birds and lizard species. To save the Guam's remaining birds, researchers placed nests on top of smooth poles so that no snake could climb.
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What would happen to a cell exposed to the toxins in tobacco smoke if it had the right receptors to respond?
If a cell exposed to the toxins in tobacco smoke if it had the right receptors to respond, It would activate or inactivate an enzyme.
Many studies have been undertaken to reveal how tobacco smoke skews immune responses contributing to the development of chronic obstructive pulmonary disease (COPD) and other lung diseases.
Cigarette smoking induces the activity of human cytochromes P450 (CYP) 1A2 and 2B6. These enzymes metabolize several clinically important drugs.
The drugs metabolized by CYP1A1, CYP1A2, CYP2E1 and UGT enzymes might be affected by tobacco smoking and enzymes, may need higher doses due to decreased plasma concentrations.
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NMDA receptors multiplicatively scale visual signals and enhance directional motion discrimination in retinal ganglion cells
The given statement that NMDA receptors multiplicatively scale visual signals and enhance directional motion discrimination in retinal ganglion cells holds True
What is the role of NMDARs in synaptic processing?Postsynaptic responses in many CNS neurons are typically small and variable, often making it difficult to distinguish physiologically relevant signals from background noise. To extract salient information, neurons are thought to integrate multiple synaptic inputs and/or selectively amplify specific synaptic activation patterns. Here, we present evidence for a third strategy: directionally selective ganglion cells (DSGCs) in the mouse retina multiplicatively scale visual signals via a mechanism that requires both nonlinear NMDA receptor (NMDAR) conductance in DSGC dendrites and directionally tuned inhibition provided by the upstream retinal circuitry. Postsynaptic multiplication enables DSGCs to discriminate visual motion more accurately in noisy visual conditions without compromising directional tuning. These findings demonstrate a novel role for NMDARs in synaptic processing and provide new insights into how synaptic and network features interact to accomplish physiologically relevant neural computations.
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write the role of HCL in digestion
Answer:
Hydrochloric acid contributes to protein digestion by supplying H+ which activates pepsinogen, the precursor to pepsin. Pepsinogen is secreted by chief cells in the gastric glands of the body and antrum of the stomach.
Explanation:
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Answer:
Activates pepsin enzyme
Explanation:
Carbohydrates are digested into maltose in the mouth and protein digestion begins in the stomach. In the stomach, food undergoes chemical as well as physical digestion.Due to the peristaltic action of the muscles the bolus breaks up in the stomach wall and mixes well into a chyme. ( Physical digestion )Several secretions flow into the stomach. It is collectively known as gastric juice.Also the juice contains pepsin and HCL acid.Here, the enzyme pepsin acts on the proteins in the food and forms polypeptides, which are intermediate products of life. ( Chemical digestion )And the function of the HCL acid is to stimulate pepsin enzyme and make it activeThe study of any species, human included, is aided by comparison of fossil structures to modern ones of known function. In addition, we infer human activities and abilities from the objects they leave behind. In this laboratory, you will make inferences from the various sources of evidence we have for the history of human form and behavior.
Human ancestors are the study of any species, human included and is aided by the comparison of fossil structures to modern ones of known function. In addition, we infer human activities and abilities from the objects they leave behind.
Although paleontologists, the study of ancient human ancestors is a subfield of evolutionary biology, it is more commonly known as paleoanthropology since, for a large portion of the evolution of humans, cultural evolution followed biological evolution.
Researchers and students can examine the variations in brain and body size, locomotion, food, and other characteristics of the early human species way of life during the last 6 million years thanks to thousands of human ancestors' fossils. The oldest undisputed hominid, anamensis, has fossils that date back as far as 4.2 million years.
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If you were able to look very closely at a portion of dna and find methylated histones, you would:___.
If you were able to look very closely at a portion of dna and find methylated histones, you would be looking at a region of inactive chromatin.
Histone methylation is the process by which methyl groups are added to the histone protein amino acids, which create the nucleosomes around which the DNA double helix coils to form chromosomes.Histone methylation is the addition of one, two, or three methyl groups to certain amino acids within a histone protein. Histones are coiled around DNA in the cell nucleus.These findings collectively imply that DNA methylation can be either active—as a probable contributor to levels of gene expression variation—or passive—as a result of or a separate indicator of gene expression levels.learn more about methylated histones here: https://brainly.com/question/14643590
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How are bacteria and fungus penicillium similar?
The fact that both bacteria and the fungus Penicillium are cells with cell walls and membranes is one of the ways in which they are similar. The fact that both bacteria and the fungus penicillium are microorganisms is another commonality between them.
What are bacteria and fungus?Bacteria are common, largely free-living organisms that frequently only have one biological cell. They make up a significant portion of the prokaryotic microbial kingdom. Bacteria, which are typically a few micrometers long and were among the first life forms to appear on Earth, are found in the majority of its habitats.
Any member of the eukaryotic group of organisms, which also includes the more well-known mushrooms and microbes like yeast and mold, is referred to as a fungus.
The Penicillium and bacteria have a relationship that is The secretion known as penicillin, which is produced by Penicillium fungus, is exceedingly hazardous to bacteria. This discovery served as the inspiration for penicillin, the first real antibiotic.
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Which type of tissue is strong in one direction, but can rupture if lots of force is applied to the opposite direction of the fibers
Answer: I think it is Bone
Explanation:
Examine the picture below. 1. Draw out the segments of normal eukaryotic cell cycle. 2. What stage of the cell cycle is represented below? What is the percentage of cells in each stage of the cell cycle? What parts of the cell cycle are not present in the image? What is the percentage of cells that you cannot identify? Explain how you answered the question.
The two main phases of cell cycle are the interphase and the mitotic phase.
What is a cell cycle?Cell cycle is an ordered series of events that involve cell division producing two new daughter cells.The 2 phases of cell cycle are interphase (G1, S, G2) and mitotic phase (Prophase, Prometaphase, Metaphase, Anaphase, Telophase).During interphase, the cell grows in size and replication of DNA takes place. In G1 cell growth and protein synthesis occurs, in S phase DNA is replicated and in G2 there is further growth and protein synthesis. During Mitosis, nucleus divides and the duplicated chromosomes are distributed into daughter nuclei. Usually after mitosis, the cell will divide (Cytokinesis) which involves the division of cytoplasm and two daughter cells are formed.The following events occur during different phases of mitosis: Sister chromatids line up in a plane at the equatorial plate (Metaphase). Sister chromatids separate and move to opposite poles (Anaphase). The nucleus reforms (Telophase) and the cell divides.The given diagram represents Metaphase stage of cell cycle.
During metaphase, all of the chromosomes are aligned in a single plane at the equator (equatorial plane). During this phase the chromosomes are most condensed. The sister chromatids are joined to each other via the centromere.To calculate the percentage of cells during each stage, first count the number of cells in each phase. Then, divide the total number of cells in each phase by the total number of cells present and multiply by 100.
There are 28 cells in total.
Out of which 21 are in Metaphase and 7 cannot be identified.
Percentage of cells in metaphase= (21/28)* 100 = 75%
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Phase Two: Match neurodevelopmental and neurocognitive disorders term to patient scenarios Patient photo Janet Burk lives at Fairview group home and is unable to perform her activities of daily living independently. She requires close supervision.
Intellectually Disabled-Profound. So, she requires close supervision.
What about intellectually disabled profound?Delays in development that are significant.It has limited communication skills but can understand speech. Capable of picking up daily habits perhaps learn very basic self-care. In social settings, needs close monitoring. Piaget's Sensorimotor Stage.Four categories—mild intellectual disability, moderate intellectual disability, severe intellectual disability, and profound intellectual disability—are used by experts to group the different types of cognitive impairment.These people need constant monitoring, assistance with self-care, and are unable to live freely. They frequently have physical restrictions and a very restricted capacity for communication.Learn more about intellectually disabled profound here:
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Which substance is administered to suppress inflammation and as an immunosuppressant?
The Cortisone substance is administered to suppress inflammation and as an immunosuppressant.
In controlling inflammation, the major effect of corticosteroids is to inhibit the synthesis of multiple inflammatory proteins through suppression of the genes that encode them.
Cortisone is a type of medication called a corticosteroid. Doctors use these drugs to treat inflammation (swelling) caused by injury and illness. Sometimes cortisone shots are called corticosteroid shots.
Corticosteroids are a fast-acting class of drugs that can reduce inflammation and overactive immune system responses. Corticosteroids bind to the glucocorticoid receptor, inhibiting pro-inflammatory signals, and promoting anti-inflammatory signals. The duration of action is moderate as it is generally given once daily.
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D. when considering the comfort and safety of passengers, why are women ignored in this case?
When considering the comfort and safety of passengers, women ignored because of inequalities.
Why are women ignored in this case?When considering the comfort and safety of passengers, women ignored in this case because our society give more preference to men. Our society has dominated by men while on the other hand, women are ignored many times. We did not give more jobs to women or other comforts and safety which is a dark side of our society.
So we can conclude that when considering the comfort and safety of passengers, women ignored because of inequalities.
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Mike takes lithium to regulate his affect. this drug is particularly used to treat:________
The drug lithium is particularly used to treat bipolar disorder and severe depression.
Chronic mood disorders like bipolar disorder lead to abrupt changes in mood, energy, and behavior.
The primary symptoms of bipolar disorder are manic and hypomanic episodes, and the majority of those who have them also experience depressed periods.
One of the most popular and well-researched drugs for treating bipolar disorder is lithium.
The frequency and intensity of mania are both lessened by lithium.
Additionally, it might lessen or shield against bipolar depression.
Lithium can considerably lower the risk of depression, according to studies.
Hence, The drug lithium is particularly used to treat bipolar disorder and severe depression.
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Blood from the GI tract within the hepatic portal system must travel through the liver so that ______.
Answer:
digested nutrients can be absorbed and processed
harmful agents can be detoxified.
Explanation:
The thin skin that appears to form on water’s surface occurs because of
The thin skin that appears to form on the water’s surface occurs because of capillarity.
What is capillarity?Capillarity is a physical property of water (H2O) associated with the movement of its molecules.
Capillarity refers to the propensity of water molecules to ascend and decay due to surface tension.
In conclusion, the thin skin that appears to form on the water is due to capillarity.
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Conventional genetic analyses of rrna sequences is not possible for prions because:_______
Conventional genetic analyses of rRNA sequence is not possible for prions because they don't contain nucleic acid.Prions do not contain genetic material such as - DNA and RNA.
The unique traits and genetic material information are encoded with the conformation structure and modification of protein.Prions which are responsible for transmissible sponginess encephalitis is mammals which all known prion disease affect the neural tissues.
There are 253 amino acids exist in multiple conformations and isoform which is found in healthy organisms, most extensively studied proteins. Prions are not destroy easily and remains intact in the presence of radiation , disinfectant and extreme heat.
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Transfusion reactions are the result of antibody reaction to foreign antibodies. MHC molecules on red blood cells. MHC molecules on white blood cells. plasma proteins. glycolipids and glycoproteins on the surface of red blood cells.
Correct answer-
Glycolipids and glycoproteins on the surface of red blood cells- This is the correct answer because the glycolipids present on the surface of red blood cells have to be compatible to the blood being transfused or received by the donor. If the blood received is not compatible it leads to transfusion reactions.Incorrect answers-
MHC molecules on red blood cells- This is incorrect because MHC molecules are not present on the surface of red blood cells.MHC molecules on white blood cells- This is also incorrect because MHC molecules attach themselves to pathogenic peptides. These molecules are not responsible for transfusion reactions.Plasma proteins- This is incorrect because the proteins present in plasma are not responsible for transfusion reactions.Learn more about transfusion reactions here-
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A researcher collects what appears to be a new species in a freshwater stream. Microscopic analysis shows the presence of chloroplasts, mitochondria, a defined nucleus, and a cellulose-based cell wall. Individual cells cluster to form colonies, but the colony lacks any true tissue or organ formations. This new species most likely belongs in which of the following kingdoms
According to the research, this new species most likely belongs to the Protista kingdom since it has a defined nucleus.
What is the Protista kingdom?They are unicellular or multicellular microorganisms that, for the most part, feed autotrophically, and that, on the other hand, cannot be included in the remaining three kingdoms of eukaryotes.
It can be both autotrophic and heterotrophic by photosynthesis, although many of them combine both forms of nutrition and have chloroplasts, mitochondria, a defined nucleus, among other structures.
Therefore, we can conclude that according to the research, this new species most likely belongs to the Protista kingdom since it has a defined nucleus.
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The space in the chest between the lungs is called the?
Answer:
The mediastinum is the space of the chest and between the lungs
Describe the normal ventilation cycle of inspiration and expiration?
In common terms, the ventilation cycle is known as “Breathing” and its cycle is in and out movement of air from the lungs. Inspiration is defined as airflow inside the lung and expiration is when the air leaves the lungs with a small pause between inspiration and expiration known as the rest period.
For the body to get oxygen and expel carbon dioxide, inspiration (breathing in) and expiration (breathing out) are essential actions. Expiration is often passive unless it is pushed, whereas inspiration involves the active contraction of muscles, such as the diaphragm.
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Which layer has stem cells that undergo cell division to continually produce new keratinocytes?.
Answer:
The Basal layer
A 5-year-old child is at the pediatric clinic for a well-child visit. which symptom alerts the health care provider that this child might have acute lymphoblastic leukemia (all)?
Bone marrow aspiration symptom alerts the health care provider that this child might have acute lymphoblastic leukemia (all)
Acute lymphocytic leukemia (ALL) is a kind of blood and bone marrow malignancy. Blood cells are generated in the spongy tissue inside the bones. Acute lymphocytic leukemia gets its name from the fact that it advances quickly and produces immature blood cells rather than mature ones.Acute lymphoblastic leukemia in children is more frequent than other cancers, however it is curable in a significant portion of cases. Adult survival rates are lower, although they are rising. ALL has a 5-year relative survival rate of 68.8%. 90 percent of children and 30 to 40 percent of adults are included in the statistics, respectively.
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Which of the following options best depicts the flow of information when a gene directs the synthesis of a cellular component.
That depicts the flow of information when a gene directs the synthesis of a cellular component is DNA → RNA → protein.
The pathway for the flow of genetic information-
In biological systems, the basic flow of genetic information is sometimes represented with a diagram known as "the central dogma". According to this model, transcription converts DNA information into RNA, which is then translated into proteins.Which of the following best describes the flow of information in cells?
Gene-specific DNA sections are copied to create mRNA. mRNA provides a code that specifies the order of amino acids in a protein, and ribosomes employ this code as instructions.The correct order for the flow of information in cells-
According to the core dogma, the information pattern that occurs in our cells the most commonly is: From existing DNA to produce new DNA (DNA replication) New RNA is created from DNA (transcription) to create new proteins from RNA (translation).
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Tons of biodegradable soild waste are produced each day in cities suggest some ways to change waste into energy.
Explanation:
l if you produce by the graduable waste you can send it for recycling into composed you can delete by the industrial scale by composting and idhar composting and array big digestion a d composting is more suitable for 5 days material 8 is more suitable for which basis and sliding is
The cosmetologist must receive _____ instruction in order to properly perform extraction of clogged pores and comedones.
Cosmetologist should get hands on instruction in order to properly perform extraction of clogged pores and comedones.
Because providing skin care requires knowledge of facials, cosmetologists should study this subject.services assist consumers in unwinding, and having a fundamental understanding of skin care will let you to give guidance.Knowing the fundamentals will enable you to identify situations where a prescription may be necessary when requested.
understanding the fundamentals will enable you to provide the foundational services in medical care, andYou might find it so enjoyable that you decide to focus on skin care.The most crucial component of facial treatment is skin analysis, which establishes the skin type,ailment, and suggested medical care.
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Create a list of environmental factors that may affect the race of gas production in the aquatic plant in Model I. These factors could become variables in an experiment.
Environmental factors like light, temperature, water, humidity, and nutrition may have an impact on the aquatic plant's ability to produce gases.
Temperature, food, pollutants, population density, sound, light, and parasites are a few examples of environmental influences. Numerous other types of stress may have effects that are comparable to those produced by the variety of environmental factors that have been demonstrated to induce asymmetry.
Environmental factors have an impact on daily life and are a major contributor to health disparities between regions. Any biotic or abiotic component that affects living creatures is referred to as an environmental factor, ecological factor, or eco factor. The temperature outside, the amount of sunlight, and the pH of the soil and water where an organism dwells are examples of abiotic factors.
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The flowers that alisoun is compared to - primroses and pig's eyes - as well as the joke she plays on absolon all emphasize what aspect of her character?
Flowers that Alisoun is compared to - primroses and pig's eyes - as well as the joke she plays on Absolon all emphasize her as a lustful young thing, says the narrator.
Just as she's a piggesnye "fit" to be laid in a lord's bed and a colt ready to be tamed.
These metaphors have the effect of turning Alisoun into an object that's meant to be ravaged by the men around, rather than a person who makes her own decisions about her sexuality.
Alisoun's character borrows a lot from misogynistic stereotypes about women, which portrayed them as dangerously lustful liars and cheats.
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Exfoliating agents found in pedicure scrubs are made of sea sand, ground apricot kernels, pumice, quartz crystals, jojoba beads, and:
Exfoliating agents found in pedicure scrubs are made of sea sand, ground apricot kernels, pumice, quartz crystals, jojoba beads, and polypropylene beads.
What are Exfoliating agents?These are substances which are characterized by their gritty texture and are applied on the skin for the purpose of removal of old portions so as to enable new ones reemerging.This process in referred to as skin renewal and makes people look younger and healthy.
Polypropylene beads is referred to as a common thermoplastic resin and is also used as an exfoliating agent in pedicure scrubs due to its gritty nature and zero side effects when applied on the skin of individuals.
Other substances which are used as pedicure scrubs include sea sand, ground apricot kernels etc thereby making it the most appropriate choice.
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The body in an erect posture, facing forward, arms at the side, palms facing forward, legs apart, feet pointing forward describes what term?
Anatomical position, or standard anatomical position, refers to the positioning of the body when it is standing upright and facing forward with each arm hanging on either side of the body, and the palms facing forward. The legs are parallel, with feet flat on the floor and facing forward.
The benefit of the palms facing forward is that it makes the radius, and ulna, the bones of the forearm run parallel to each other from the elbow to the wrist.
The term is used in medicine and related fields when referring to the position of body parts in relation to each other. There are four main anatomical positions which are:- supine, prone, right lateral recumbent, and left lateral recumbent. Each position is used in different medical circumstances.
The prone is defined as "lying flat with the face downward" and supine as "lying on the back."
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