Answer:
Covalent bonds between the sugar of one nucleotide and the phosphate of the next nucleotide bond nucleotides together in a DNA strand.
Explanation:
The sugar-phosphate backbone of DNA is formed by covalent bonds between the sugar of one nucleotide and the phosphate of the next nucleotide. These bonds hold nucleotides together in a strand.
What kind of lipid forms when a glycerol combines with fatty acids through dehydration synthesis?
Which mineral is easily identified by smell?
f Quartz
g Sulfur
h Galena
j Pyrite
Sulfur is a yellow, brittle mineral that has a characteristic odor often likened to the smell of rotten eggs. The mineral that is easily identified by smell is option g - Sulfur.
This odor is due to the presence of sulfur compounds, particularly hydrogen sulfide. Even in small quantities, sulfur can emit this distinct smell, which is quite noticeable and recognizable.
The strong odor of sulfur is a result of its chemical properties. When sulfur-containing compounds are exposed to heat or certain chemical reactions occur, hydrogen sulfide gas is released, giving off the characteristic rotten egg smell.
Sulfur has a distinct smell often described as a strong, pungent odor resembling rotten eggs. This characteristic smell makes it relatively easy to identify sulfur in its various forms, such as sulfur minerals or compounds.
Therefore, the mineral that is easily identified by smell is option g - Sulfur.
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Can anyone explain why some communities might be opposed to treating wastewater and converting it into drinking water?
Answer:
Explanation:
A wastewater can be define as the water which is contaminated with pollutants coming from the source of sewage drainage, agricultural irrigational drainage, industrial discharge.
The wastewater can be cleaned and purified by the reclamation process. The process requires technology, which could be expensive, time consuming, skill and labor. This can be the reason why some communities might be opposed to treating wastewater.
The Venn diagram compares aerobic respiration and anaerobic respiration.
Which statement should be categorized only in the aerobic section of the Venn diagram?
occurs in the cytoplasm
produces water
requires no oxygen
is performed by yeast
The statement should be categorized only in the aerobic section of the Venn diagram - produces water.
Aerobic respiration is the process that occurs in the presence of oxygen. In this oxygen breaks down the amino acids, fatty acids, and glucose to generate ATP in the body.
Aerobic respiration does not occur in the cytoplasm but in mitochondria.Aerobic respiration produces water and carbon dioxide as the end product.Aerobic respiration itself is a process that takes place in the presence of oxygen.Aerobic respiration is performed by mitochondria and not yeast. In yeast fermentation takes place.carbon in glucose is oxidized to produce carbon dioxide whereas oxygen is reduced to form water.H₂ + 1/2 O₂ →H₂O
Thus, the correct choice would be - produce water.
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What two key insights allowed darwin to come up with the therory of natural selection?
What is the primary mode of transmission of microorganisms to food and food contact surfaces?
Why are there sutures on the human skull? what does this tell you about the actual structure of the skull?
Sutures are specialized, fibrous joints on the skull that bind the various skull bones together, allowing for slight movement and flexibility. This indicates that the skull is not a single solid bone but comprises of interconnected bones, allowing for growth and accommodating brain expansion, particularly during infancy and childhood.
Explanation:The sutures on the human skull are a type of specialized, fibrous joint that only occur in the skull (or cranium). They appear as zigzag lines and are essential in holding the various skull bones together.
The skull is not a single, solid bone, but is actually made up of multiple bones that are bound together by sutures. These sutures act like a very strong, almost unbreakable adhesive that holds the skull bones together. They also allow for the slight movement and flexing of the skull bones, which is particularly important during childbirth to facilitate the passage through birth canal and also to accommodate brain growth during infancy and childhood.
Therefore, the existence of sutures on the human skull signifies that the skull is made up of various interconnected bones rather than one solid piece. This aspect of the skull structure is vital for flexibility, growth, and movement in the cranium.
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This is a process by which substances are transported across cell membranes by means of protein carrier molecules.
Answer:
Facilitate diffusion is the process in which substances are transported across the plasma membrane along the concentration gradient with the help of carrier molecules.
In active transport also carrier proteins are used but they are used to transport the molecules against the concentration gradient.
Carrier proteins bind the molecules to be transported non-covalently and after binding, it undergoes a conformational change which helps in the movement of the molecule through the protein inside the cytoplasm of the cell.
Charged and polar molecules are mainly passed through facilitated diffusion like amino acids, carbohydrates, ions. The rate of transfer of molecules across the plasma membrane is higher in facilitated diffusion than simple diffusion.
Which of the following true statements best supports the endosymbiotic theory? Select one: a. All mitochondria have circular DNA. b. All eukaryotic cells have ribosomes. c. All eukaryotic cells have DNA. d. All mitochondria function as powerhouses to the cell.
Answer: c. All eukaryotic cells have DNA
Explanation: The endosymbotic theory deals on the mitochondria and chloroplasts to having their own DNA and this DNA maybe similar to bacterial DNA. This theory was later proven to be true for DNA, RNA, ribosomes, chlorophyll and protein synthesis.
The statement 'All mitochondria have circular DNA' best supports the Endosymbiotic Theory as it is evidence that suggests mitochondria were once independent prokaryotic organisms.
Explanation:The Endosymbiotic Theory is the scientific theory that explains how eukaryotic cells (cells with nuclei and other internal organelles) evolved from prokaryotic cells (cells without a defined nucleus). Among the answer choices provided, the statement that best supports the Endosymbiotic Theory is that 'All mitochondria have circular DNA' option a. The reasoning behind this is that circular DNA is a characteristic of prokaryotes, and thus, the presence of circular DNA in mitochondria (a sub-cellular organelle in eukaryotes) supports the theory that mitochondria were once independent prokaryotic organisms that became incorporated into eukaryotes through Endosymbiosis.
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What are sustainable use practices
Practices that support the fair and balanced use of natural resources, while guaranteeing their long-term viability, are referred to as sustainable use practices.
These behaviors require techniques such as sustainable resource management, biodiversity conservation, conservation, responsible forestry and agriculture, waste reduction and recycling, energy efficiency, renewable energy, sustainable fishing and aquaculture, and responsible travel and leisure.
We can stop environmental degradation, protect ecosystems, preserve biodiversity, cut waste and pollution, and promote socioeconomic development in a sustainable way by putting these practices into practice . In order to develop a positive interaction between people and the environment, it is important to meet the demands of the present generation without compromising the ability of future generations to meet their own needs.
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Put these items in order, going from smallest (first) to largest (last): nucleus of a cell, nucleus of an atom, ribosome, a human cell
The correct order according to the size will be - the nucleus of an atom, ribosome, nucleus of a cell, or a human cell.
What is meant by classification?
In terms of biology, classification is defined as basic categories of organisms by their presumed natural relationships. This is used to create taxonomical groups.
The study of the interactions and behaviour of the components of biological materials which include molecules, cells, organs, and organisms is called systems biology.
The organisation of all biological organisms has been a lasting interest in the field of science. Systems biology emerged from the genomics revolution as a separate field of study. This was the beginning of the Human Genome Project.
Therefore, in the terms of classification according to size, the nucleus of an atom will be the smallest, the ribosome will be bigger, the nucleus of a cell will be bigger than the ribosome and the human cell will be the biggest.
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A trait has two alleles, which are represented by p and q. if p = 0.07, what is q?
Here is an idea that will recur throughout your study of the function of molecules: change the structure, change the function. you see this in enantiomers, you will see it in proteins and enzymes, and now we are going to look at testosterone and estradiol. notice how similar these two molecules are, and yet you know what a vastly different effect each has. label each molecule in the sketch to the right and circle the differences.
Testosterone and estradiol are both steroid hormones that play important roles in human development and reproduction and are very similar in structure, but they have very different effects on the body.
How do we explain?Testosterone is a male sex hormone that is produced by the testes and is responsible for the development of male sexual characteristics, such as facial hair, a deeper voice, and increased muscle mass. Testosterone also plays a role in regulating bone growth, fat distribution, and sexual behavior.
Estradiol is a female sex hormone that is produced by the ovaries and is responsible for the development of female sexual characteristics, such as breasts, hips, and a higher-pitched voice. Estradiol also plays a role in regulating bone growth, fat distribution, and menstrual cycle.
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Explain how homeostasis and metabolism are interrelated
What lymphatic tissue in the submucosa of the small intestine prevents bacteria from entering the blood?
The answer to this question is the Pyers patches. The Pyers patches are lymphatic tissues found through the small intestines that have an important role in the immune system. Pyers patches are also known as the aggregated lymphoid nodules that monitors and prevents growth of bacteria in the intestine that is harmful in the intestines.
The ________ nervous system provides involuntary regulation of smooth muscle, cardiac muscle, and glandular activity.
Describe one example of poaching that is prevalent in your area. (10)
Avoiding or Escaping a Feared Situation Reduces Anxiety And Ends Up
Reinforcing The Phobic Behavior
Encouraging The Person To Seek Treatment
Aggravating The Symptoms Of The Disorder
Minimizing The Anxiety Until It Disappears
Answer:
a
Explanation:
i took the test in psychology on gradpoint
Why do people with down syndrome look alike?
Based on your understanding of the terms proximal and distal, the distal sesamoid bone in the equine leg would be expected to have which relationship to the proximal sesamoid bone found on the same leg?
Answer:
The distal sesamoid bone is closer to the hoof than the proximal sesamoid bone.
Explanation:
A part is said to be at a proximal position if it lies closer to the point of attachment in the body. If a part is situated at a position away from the point of attachment of the body then it is said to be at a distal position. Equine is a horse, in the equine leg, the point of attachment begins to form the scapula and then the legends in the hoof.From the term proximal and distal it is clear that the proximal sesamoid bone will be closer to the scapula and the distal will be closer to the hoof of the leg.The simple squamous epithelium that lines the heart and blood vessels is called
Final answer:
The simple squamous epithelium lining the heart and blood vessels is called endothelium, playing key roles in diffusion, filtration, and cardiovascular regulation.
Explanation:
The simple squamous epithelium that lines the heart and blood vessels is known as endothelium. This specialized tissue is part of the tunica intima, or the innermost layer, of the cardiovascular system and is crucial for a range of physiological processes.
Simple squamous epithelium is a single layer of flat scale-like cells that facilitate rapid diffusion and filtration across their surfaces. The endothelium lines the heart's inner chambers, called the endocardium, and is also continuous with the lining of the blood vessels.
The endothelium is not only important as a barrier but also plays a significant role in various bodily functions, such as regulating capillary exchange, blood flow, and releasing endothelins that can influence blood pressure. Understanding the structure and function of the endothelium is crucial in recognizing its importance in cardiovascular health and disease.
The adrenal cortex produces the hormones ________.
Approximately ________ out of every 1,000 people worldwide will develop schizophrenia at some point during their lives.
Which of the following does not make up the structure of an atp molecule
A.glucose.
B.Phosphate.
C.Adenine
D. ribose
Answer:
The answer is not adenine its glucose. Just took a test.
Explanation:
Adenine does not make up the structure of an atp molecule.
What is Adenine?One of the four nucleotide bases in DNA, along with cytosine (C), guanine (G), and thymine, is adenine (A) (T). Adenine nucleotides on one strand of a double-stranded DNA molecule couple with thymine bases on the other strand.
Adenine is a purine-family chemical molecule that can be found free in tea or associated with many other important biological components, such as the nucleic acids that control all cells' hereditary traits.
Adenylic acid and deoxyadenylic acid can be isolated from mixtures produced by the partial decomposition of ribonucleic and deoxyribonucleic acids.
Therefore, Adenine does not make up the structure of an atp molecule.
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A nurse is preparing to administer an intravenous piggyback medication to a client who is receiving a continuous infusion of intravenous (iv) fluids. what is the priority nursing intervention?
The priority nursing intervention when administering an intravenous piggyback medication is to verify medication, dosage, and compatibility with existing IV fluids, and ensure that a checklist is followed to enhance patient safety. Normal saline and lactated Ringer's solution are preferred for their isotonic properties, and the nurse's oversight is essential for maintaining sterile procedures and monitoring patient vital signs during treatment.
Explanation:The priority nursing intervention when preparing to administer an intravenous piggyback medication to a client who is receiving a continuous infusion of intravenous (IV) fluids is to verify the proper medication, dosage, and infusion rate. Additionally, the nurse must ensure compatibility of the piggyback medication with the ongoing IV fluids, and verify that the IV line is patent and not infiltrated. Using a checklist, similar to that proposed by Dr. Pronovost for ICU doctors, could help ensure all critical steps are followed accurately. This reduces the risk of complications and enhances patient safety.
When administering fluids via an intravenous route, solutions like normal saline and lactated Ringer's solution are commonly used because they are isotonic; this is critical to ensure that the administered solutions do not cause an imbalance in the patient's osmotic pressure, which could otherwise lead to cellular damage or dysfunction.
In health-care settings, the direct supervision of a registered nurse and adherence to sterile procedures is crucial during the preparation and delivery of treatments, like dialysis, IV medications, and the administration of specific electrolytes such as potassium in scenarios like hypokalemia. The nurse’s role includes monitoring patient vital signs and responding to needs during treatment, which are part of maintaining patient safety and care quality.
For a type of cat, short whiskers are dominant (s) and long whiskers are recessive (s). the punnett square below shows a cross between two cats. what is the phenotype ratio for this cross?
Answer:
B. 3 short, 1 long
Which step in the scientific method is next after collecting data?
A. Conducting an experiment
B. Analyzing the data
C. Making a prediction
D. Stating the question
True or false: agonal gasps are not normal breathing and may be present in the first minutes after sudden cardiac arrest.
A client tells a nurse, "i have been having trouble sleeping and feel wide awake as soon as i get into bed." which strategies should the nurse teach the client that will promote sleep? (select all that apply.)
Which of the following is most responsible for El Niño?: a. Unusually cold water in the Atlantic causes an increase in wind activity. b. The calming down of trade winds in the Pacific, which leads to the buildup of warm water. c. Death of plankton and fish in the northern hemispheres. d. Disruption of the Gulf Stream.
Answer:
The correct answer is option b, that is, the calming down of trade winds in the Pacific, which leads to the buildup of warm water.
Explanation:
A natural phenomenon, which is observed in the southwestern part of the Pacific known as El Nino is signified by the calming down of the trade winds in the mentioned part of the Pacific Ocean. With the calming of the trade winds, the water begins to warm up, while at the same time, the water gets cooled down on the contrary section of the Pacific Ocean.