The option (A) is correct. Crest is to high, as trough is to low.
What do you mean by crest and trough?The highest surface part of a wave is called the crest, and the lowest part is the trough. The vertical distance between the crest and the trough is the wave height.
Moreover, a crest is a point on the wave where the displacement of the medium is at a maximum. A point on the wave is a trough if the displacement of the medium at that point is at a minimum.
Therefore, while a transverse wave has an alternating pattern of crests and troughs, a longitudinal wave has an alternating pattern of compressions and rarefactions. As discussed above, the wavelength of a wave is the length of one complete cycle of a wave.
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which of the statements describes the alimentary canal? the gastrointestinal tract and the organs of the digestive system the section of the digestive tract that is involved with absorption of nutrients the path that food travels from the stomach to the beginning of the large intestine the tubular passage through which food enters, is digested, and unused waste is excreted
The alimentary canal, commonly known as the digestive tract, as well as other organs like the pancreas and liver make up the digestive system.
The systems that food and fluids pass through on their way to being ingested, broken down, absorbed, and expelled as feces. The mouth, throat (throat), esophagus, stomachs, intestine, gastrointestinal tract, rectum, and anus are among these organs. The digestive system's four essential processes are motility, digesting, absorption, and secretion. From the mouth to the anus, the digestive system is known as the alimentary canal. The portion of it that consists of the gastrointestinal tract is known as the GI tract. Digestion and absorption are the two functions of the digestive system. Food is broken down into tiny molecules during digestion, and these molecules are subsequently absorbed by the body.
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1. As time passes, the universe becomes
1 more organized
2 less organized
3 simpler
4 smaller
Answer:
more organized
Explanation:
it would be more organized because of new inventions
the lungs do not normally collapse because of group of answer choices their characteristic elastic recoil both surfactant and intrapleural pressure none of the choices are correct intrapleural pressure surfactant
The lungs do not normally collapse because of both surfactant and intrapleural pressure.
The two spongy, pinkish-gray organs in your chest are called lungs. Air enters your lungs when you inhale (breath), and the oxygen in that air travels to your blood. A waste gas called carbon dioxide travels from your blood to your lungs at the same time and is exhaled (breathed out).
The pressure drop lowers the intrapulmonary pressure as well, which causes the lungs to open up and take in more air. This action is the opposite after the timer expires. The pleural cavity's negative pressure acts as a suction to prevent the lungs from collapsing.
The lung cells secrete surfactant, which distributes throughout the alveolar tissue. By reducing surface tension, this chemical facilitates breathing by preventing the alveoli from collapsing following exhalation.
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Answer all please I need it asap
1. A(n) _____________________ transports electrons, along with their energy, to another molecule.
2. What is the equation for photosynthesis?
3. In the __________________________, NADPH and ATP combine with carbon dioxide to produce sugars.
4. In the _________________________, light energy from the sun splits water and generates ATP and NADPH.
5. True / False: Chloroplasts are organelles found in the cells of heterotrophs.
6. True / False: Autotrophs need light in order to carry out photosynthesis.
1. An electron carrier transports electrons and their energy to another molecule.
2. The equation of photosynthesis is 6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂
3. In the stroma NADPH and ATP combine with carbon dioxide to produce sugars.
4. In the thylakoid membrane, light energy from the sun splits water and generates ATP and NADPH.
5. Chloroplasts are not found in heterotrophic cells.
6. Autotrophs need light to carry out photosynthesis.
Why are the answers correct?
An electron carrier is an important molecule involved in cellular respiration as it transports electrons, along with their energy, to another molecule.
Photosynthesis is the process by which plants and organisms such as algae use energy from the sun to convert water, and carbon dioxide to produce oxygen and sugar.
The stroma uses ATP and NADPH in the next stage of photosynthesis to produce three-carbon sugars.
The thylakoid membrane contains chlorophyll and is located in the stroma where the light energy from the sun splits water and generates ATP and NADPH.
In summary, chloroplasts are organelles found in the cells of autotrophs and not heterotrophs.
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the average day of third-grade students places them in what state, as described by brofenbrenner's ecological systems model, for the majority of the time?
According to Bronfenbrenner's ecological systems model, kids in the third grade spend the majority of their days in a student state.
According to Bronfenbrenner's ecological systems theory, a child's development is viewed as a complex system of interactions that are influenced by a range of environmental factors, from the child's immediate home and school environments to more general cultural values, laws, and practices.
The day's main portion (298 minutes) is spent within the student state. This mentality involves the learner being docile, obedient, and frequently irritated when focusing on or attempting to maintain attention on a task. Sometimes, this irritation is shown by lengthy pauses before pulling out the next book and looking for supplies.
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which of the following choices correctly pairs a part of the digestive tract with a nutrient digested there? group of answer choices
The small intestine absorbs most of the nutrients in food.
The majority of the nutrients in your meal are absorbed in your small intestine before being transported by your circulatory system to other areas of your body for storage or utilization. A special type of cell helps nutrients pass through the gut lining and into the circulation. Simple sugars, amino acids, glycerol, certain vitamins, and salts are transported to the liver by your blood. When necessary, your liver processes, stores, and distributes nutrients to the rest of your body.
Fatty acids and vitamins are absorbed by the lymph system, a system of capillaries that transports white blood cells and a fluid called lymph throughout the body to fight infection.
The body creates the molecules required for energy, growth, and cell repair using sugars, amino acids, fatty acids, and glycerol.
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What macromolecule does the human body use
as its primary energy SOURCE?
A. carbohydrates
B. nucleic acids
C. DNA
D. RNA
Answer:
A
Explanation:
when viruses are exposed to compounds or uv-light which make them non-infectious what are they called?
when viruses are exposed to compounds or UV light which makes them non-infectious are they called Inactive.
All virus particles have a protein coat that surrounds and protects their nucleic acid genome. This protein envelope is called a capsid, and the instructions for making the protein subunits of the capsid are encoded in the viral nucleic acid genome. Infections are caused by microscopic bacteria that enter the body and cause problems.
Some but not all infections are transmitted directly from person to person. Infections that are transmitted from person to person are considered contagious. Antibiotic resistance occurs when bacteria viruses fungi and parasites change over time and become unresponsive to drugs. This makes infections more difficult to treat and increases the risk of disease spreading serious illness and death.
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If a woman is homozygous for red hair and her husband is homozygous for brown hair, what is the probability that they will have a redheaded child?
A. 0%
B 100%
c. 50%
To solve this we must be knowing each and every concept related to homozygous. Therefore, 0% is the probability that they will have a redheaded child. The correct option is option A.
What is homozygous?Having identical genes for only one attribute is what is meant by being homozygous. Additionally, an allele denotes a single distinct variant of a gene.
Since it is unknown which characteristic is recessive. If we think of brown hair as the dominant characteristic, denoted by R, and red hair as the recessive trait, signified by R. Dad is RR, while mom is RR. All offspring will be heterozygous since they will all be Rr. The likelihood of producing a kid having red hair from either the original parents is thus 0%.
Therefore, 0% is the probability that they will have a redheaded child. The correct option is option A.
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Are all living things made of cells?
Answer: Yes, All living organisms or things like animals or plants are made of cells.
Explanation:
in a population of 100 individuals, we have 25 people that are homozygous aa, 50 people that are heterozygous aa, and 25 people that are homozygous aa. how many a alleles are in the homozygous aa group? assuming that the population is in hardy-weinberg equilibrium, match the frequency of the homozygous aa genotype to the appropriate part of the hardy-weinberg equilibrium equation.
The frequency of the heterozygous genotype Aa to the relevant part of the Hardy-Weinberg equilibrium equation is 2pq.
If there is a population of 100 individuals and we have a cross between two heterozygous individuals i.e. Aa × Aa A aA AA Aaa Aa
aawe, we see that the proportion of offspring is: AA = 1/4
which corresponds to 25% of Aa = 2/4
which corresponds to 50% of aa = 1/4
which equals 25% Now,
in solving the Hardy Weinberg equilibrium There are two equations.
p + q = 1p² + 2pq + q² = 1
where: p² exists as the frequency of an individual with a homozygous dominant genotype (AA) = 25%2 pq as the frequency of an individual with a heterozygous genotype
(Aa) = 50%q² exists as the frequency of an individual with a homozygous recessive genotype(aa) = 25%So the frequency of the heterozygous genotype Aa to the relevant part of the Hardy-Weinberg equilibrium equation is 2pq.
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what type of unauthenticated connection is considered to be a significant vulnerability of netbios systems?
The type of unauthenticated connection that is considered to be a significant vulnerability of NetBIOS systems is the NULL sessions.
A NULL session is an unauthenticated connection that occurs when someone logs in to a system without a username or password. Depending on the OS, his type is considered a significant vulnerability in the CIFS or SMB. It's because once a hacker has made a NetBIOS connection using a NULL session, they can get a list of all users and informations on that system, from usernames, passwords, groups, permissions, services, and more. It can even be used for performing DOS attacks and escalating privileges.
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what is the name of the compound in the weed killer that many suspect is linked to non-hodgkin lymphoma (nhl)?
Glyphosate is the compound in the weed killer that many suspect is linked to non-hodgkin lymphoma (nhl).
What is Glyphosate?An pesticide called glyphosate is used to manage weeds and grasses. It serves as the primary ingredient in a variety of herbicides, including the well-known Roundup. Since 1974, glyphosate has been approved for use as a pesticide in the United States. It is also widely used in many other nations around the world. Weed killers and herbicides both use the term glyphosate as an active ingredient.
Glyphosate is a phosphonic acid created when the amino group of glycine reacts with the methyl group of methylphosphonic acid. The enzyme 5-enolpyruvyl-3-shikimate phosphate synthase is the only one that this herbicide targets (EPSPS).
A broad-spectrum herbicide is glyphosate. It cannot, therefore, be used to kill particular weeds or plants. Instead, it obliterates the majority of the area's broadleaf vegetation.
The mechanism of action of glyphosate is the inhibition of a plant enzyme involved in the synthesis of the three amino acids phenylalanine, tyrosine, and tryptophan.
Only a very small amount of glyphosate is absorbed into plants' roots; most of it enters through the leaves. Consequently, only grass and weeds that are actively growing can be killed by glyphosate. It is unable to prevent seeds from ever germination.
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Marine Science
Why isn’t the atmosphere a closed system?
a. closed systems only exist in theory
b. closed systems are only for liquids, not gases.
c. The laws of physics do not apply to the atmosphere.
d. Gases from Earth escape from the higher realms of the atmosphere.
The answer to Why isn’t the atmosphere a closed system?
D. Gases from Earth escape from higher realms of the atmosphere.
Explanation:
Hope this helped^^
the layer of soil bound by the mucigel and root hairs and containing microorganisms and sloughed off cells of the root cap is called the
Rhizosphere refers to the layer of soil that is bound by root hairs and mucigel, and which also contains microorganisms and cells that have shed off the root cap.
What purposes do microbes serve?Applications. Microorganisms are useful in the production of food, the treatment of waste water, the production of biofuels, and the synthesis of numerous compounds and enzymes. As model organisms, they are extremely useful in study. They have been turned into weapons and sporadic bioterrorism
Which microbe holds the most significance?Most Significant Microbe You've Never Seen Of A microbe called Prochlorococcus is responsible for producing one of every six breaths you take. The most numerous organism on Earth is a small bacterium, though.
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Which of the following best describes the features of an ocean ridge?
A. Ocean ridges have steep slopes and a crater.
B. Ocean ridges have gentle slopes and only span a small distance.
C. Ocean ridges have steep slopes and can span a large distance.
D. Ocean ridges have gentle slopes and a crater.
The correct answer about the best description of ocean ridges characteristics from the options above is:
Ocean ridges have steep slopes and can span a large distance.
The answer is option c
What is meant by ocean ridges?Ocean ridges can simply be defined as those submarine mountain chains resulting from the ocean floor rising. That being said, these ocean ridges appear to girdle the earth.
Generally speaking, there are four major types of ocean ridges. These are as follows:
Feacture-zone ridgesSpreading-center ridgesBasaltic-volcanic ridgesIsland arc ridges.In conclusion, it can be deduced from the explanation above that ocean ridges have steep slopes and can span a large distance
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identify the major structures and functional areas of the cerebral cortex and cerebrum including the basal nuclei
The cerebrum, cerebellum, and brainstem are the three major components of the brain. The brain's main structure, the cerebrum, is made up of the right & left halves.
Describe the cortex.Your cerebral cortex, which is located on atop of your cerebrum, is its outer layer. The greatest part of your brain is called your cerebrum. The corpus callosum, a network of nerve fibers, connects the hemispheres together.
What bodily organ is the cortex?The term "cortex," which is Latin for "bark," refers to the cerebrum's outer layer of gray matter. Due to it's own folds, the brain has a huge surface area and makes up nearly half of the weight of the brain. There are two parts to the cerebral cortex:
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suppose two aabbcc individuals are mated. assuming that the genes are not linked, what fraction of the offspring are expected to be homozygous recessive for the three traits?
1 is a fraction of the offspring that are expected to be homozygous recessive for the three traits because gamete formed are only abc i.e. abc × abc .
You are seeking for a pair of alleles that are both lower case when we say homozygous recessive. In other words, the recessive feature will manifest itself phenotypically. The genotype that you would want in the Punnet would thus be: aabbcc only .
Heterozygous genotype refers to an organism with one dominant allele and one recessive allele. This genotype's designation in our case is Bb. Finally, homozygous recessive refers to an organism's genotype that consists of two recessive alleles i.e. bb
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fetuses who do not survive anemia in utero are usually stillborn, with gross edema of the entire body, a condition called:
Answer:
Fetuses who do not survive anemia in utero are usually stillborn, with gross edema of the entire body, a condition called:
hydrops fetalis
Explanation:
What are the base-pairing rules?
Answer:
The rules of base pairing (or nucleotide pairing) are: A with T: the purine adenine (A) always pairs with the pyrimidine thymine (T) C with G: the pyrimidine cytosine (C) always pairs with the purine guanine (G)
Explanation:
for Chargaff's rules
Answer: The rules of base pairing (or nucleotide pairing) are: A with T: the purine adenine (A) always pairs with the pyrimidine thymine (T) C with G: the pyrimidine cytosine (C) always pairs with the purine guanine (G)
Explanation:
Construct a flowchart to describe the process by which a foreign gene is inserted into the genome
Genome editing is the process by which a foreign gene is inserted into the genome.
What is the process of inserting foreign genes into an organism?Animals given new genes by this method are called "transgenic." Their new genes are usually passed on to their progeny. These foreign genes can be conveyed, that is, make their protein products, which can consult new characteristics on the animal.
When foreign DNA is initiated into an organism, it is called a genetically modified organism or transgenic organism. It is inserted with the help of vectors into the receiver organism. It then becomes an integral part of the host's genome like other indigenous genes, due to recombination.
So we can conclude that A transgenic, or genetically modified organism is one that has been altered through recombinant DNA technology.
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discussing the major body systems on the circulatory system.
The parts of your circulatory system are your: Heart, a muscular organ that pumps blood throughout your body. Blood vessels, which include your arteries, veins and capillaries. Blood, made up of red and white blood cells, plasma and platelets.
Circulatory system is made up of the following components: The heart is a muscular organ that circulates blood throughout your body. Blood vessels are made up of arteries, veins, and capillaries. Blood, which is composed of red and white blood cells, plasma, and platelets.
Your circulatory system transports oxygen and nutrients to your body's other cells, then collects any waste products produced by these cells, including carbon dioxide, and transports these waste products to your kidneys and lungs for disposal.
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Why are zygotes considered unique?
Answer:
Each zygote has its own combination of genes
Explanation:
In considering the water quality in and around the U. S. , the EPA analyzes critical chemical and physical states: oxygen, nutrients, pH, salinity, other chemicals and temperature, light, and hydrology including rainfall, flow rates, and sea level. All BUT ONE could be a pressure that results in the changes in chemical and physical states
Wastewater and fertilizer runoff can cause the changes in the EPA analyzes chemical and physical states. So option (c) is the correct answer.
Factors such as temperature, pH, electrochemical potential (redox), and air and water clarity can affect the chemical and physical properties of ecosystems. This is due to activities such as climate change, water pollution and changes in water runoff.
Sewage and fertilizer runoff reduce dissolved oxygen levels in water, affecting biotic communities and circulatory systems, leading to changes in chemical and physical conditions.
An EPA method for the analysis of 16 dissolved and total recoverable elements in a variety of water bodies, sediments, soils and sludges. The EPA method is a widely used performance-based guide for the analysis of 31 trace elements in groundwater, soils, sediments and solid wastes.
Complete question:
In considering the water quality in and around the U. S. , the EPA analyzes critical chemical and physical states: oxygen, nutrients, pH, salinity, other chemicals and temperature, light, and hydrology including rainfall, flow rates, and sea level. All BUT ONE could be a pressure that results in the changes in chemical and physical states
a) changes in sea level
b) water used for cooling purposes
c) wastewater and fertilizer runoff
d)eutrophication of bodies of water
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AUG GGC UCA
Is this a strand of DNA or RNA, and how can you tell?
Uracil | SIELC
a
DNA because it has the sugar, Ribose
b
RNA because it has inorganic phosphate groups
c
RNA because it has the nitrogen base, Uracil.
d
DNA because it has the nitrogen base, Adenine
Answer:
RNA because it has the nitrogen base
which disorder results from obstruction and distention of a lumen, causing decreased blood flow, ischemia, and bacterial invasion?
The condition is caused by the occlusion and abdominal distension of a lumens, which results in reduced blood flow, ischemic, and bacterial invasion is known as Appendix.
Appendiceal lumen occlusion is frequently the etiology of appendicitis. This may result from an appendicolith (appendix stone). The precise cause of acute pancreatitis is frequently unknown. Bacteria accumulate in the appendix as a result of obstruction of the appendiceal lumen, resulting in acute inflammation, perforation, and abscess formation. Despite being necessary, lymphoid hyperplasia causes swelling, localised ischemic, perforation, and the formation of a confined abscess or a true perforation with subsequent peritonitis.Appendicitis is brought on by an obstruction results in small vessel occlusion, lymphatic stasis, and a rise in luminal and intramural pressure. When blocked, the appendix begins to swell and fill with mucus. As lymph and vascular damage progresses, the appendix wall turns ischemic and necrotic. The restricted space then experiences bacterial overgrowth.
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Are Africanized honey bees a direct or indirect threat?
Africanized honey bees are Indirect threat.
Honey bees can thrive in herbal or domesticated environments, although they choose to stay in gardens, woodlands, orchards, meadows and different regions where flowering plant life are considerable. Inside their natural habitat, honey bees construct nests inside tree cavities and underneath edges of items to cover themselves from predators.
Bees feed on nectar and pollen amassed by means of foragers — older worker bees with beefy flight muscle tissues. Some foragers gather nectar, which they store in an elastic pouch in the gut called a “honey belly”; others gather pollen grains, packing them in “baskets” on their rear legs.
Queen honey bees stay on average 1–2 years whereas employees stay on average 15–38 days within the summer and one hundred fifty–two hundred days in the iciness.
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"the most common form of human multiple birth is twins but cases of triplets,quadruplets,quintuplets,sextuplets,septuplets,and octuplets have all been recorded with all being born alive".how are they born?
Answer:
the uterus expands depending on the size or sizes of the baby or babies the babies will most likely live but the mother would be in great pain
Explanation:
Answer:
Explanation: The most common are strictly fraternal triplets, which come from a polyzygotic pregnancy of three eggs. Less common are triplets from a dizygotic pregnancy, where one zygote divides into two identical fetuses, and the other does not. Least common are identical triplets, three fetuses from one egg.
all living organisms are defined by: please choose the correct answer from the following choices, and then select the submit answer button. answer choices the ability to consume other organisms and digest their tissues. the ability to replicate and metabolize energy. the presence of water and molecules containing carbon-hydrogen bonds. the presence of a nervous and digestive system. the ability to move and find a mate.
The ability to replicate and metabolize energy .
What is Carbon-hydrogen bonds ?Many organic molecules have the carbon-hydrogen bond, which is a chemical link between carbon and hydrogen atoms in chemistry. Since there is just one covalent link present, up to four hydrogen atoms can share the outer valence electrons that belong to carbon. This completes both of their exterior coverings and stabilizes them.
Covalent bonds, commonly known as carbon-hydrogen bonds, are necessary for the bonding of organic components. In order to ensure stability between the two atoms, carbon and hydrogen share an equal number of electrons.
What is Metabolize energy ?Metabolizable Energy (ME) is the energy that is still accessible for growth and reproduction as well as for sustaining metabolic processes like work (motion) and respiration after fecal and urine energy loss (thermoregulation, maintenance metabolism, HIF).
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nflammation of a lymph vessel is: group of answer choices lymphocytosis. lymphadenitis. lymphangitis. lymphocytopenia.
Inflammation of a lymph vessel is lymphangitis.
Lymphangitis and lymphadenitis are common bacterial infection that is usually caused by hemolytic streptococci or S aureus they generally from an infected wound, cellulitis, or an abscess.
Lymphangitis is an infection of the lymphatic channels. lymphangitis can also be caused by parasitic infection filariasis or mycobacterial infection, they affect the area by causing swelling in common lymph nodes areas. lymphangitis is red streaks were reddish stripes is visible from the injury site to areas where you have a lot of lymph glands.
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