Evolutionary arms race best describes the interaction between rough-skinned newts which have the ability to produce toxins against their predator garter snakes.
What is an evolutionary arms race?
It is an ongoing struggle between competing sets of co-evolving genes, and phenotypic and behavioral traits that develop escalating adaptations and counter-adaptations against each other.
One example is the arms race between bats and moths. In this, the weaponry used by each is largely based on sound and hearing.
In the above case, rough-skinned newts are compared to the host and the common garter snake is compared to a parasite. Rough-skinned newts produce toxins in defense against a predator (common garter snake). This predator exhibits resistance to the toxin produced by the newt. in this way, if the newt increased potent toxins then a common garter snake too increases its resistance to the toxin. Common garter snakes exhibit an evolutionary arms race by evolving rough-skinned newts.
Let us discuss other options
Mutualism is a relationship between two organisms each benefiting from the relationship.Host-parasite coevolution is a special case of coevolution where a host and a parasite continually adapt to each other.Diffuse coevolution also called guild coevolution where whole groups of species interact with other groups of species leading to changes that cannot really be identified.Hence rough-skinned newts and common garter snakes exhibit an evolutionary arms race.
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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.
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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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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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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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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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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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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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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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
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:
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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the physical symptoms of cholera present only after a specific series of events has taken place. what is the most likely sequence of events in the pathogenesis of v. cholera
Cholera spreads via the fecal-oral pathway. The most likely progression of events in the pathogenesis of V. cholera:
The oral-fecal route is how cholera is spread. Since they are susceptible to acid, most vibrio's pass away in the stomach. Virulent organisms that survive may stick to and colonize the small intestine, where they release the strong cholera enterotoxin (CT, also known as "choleragen") that causes cholera. This toxin attaches to the intestinal epithelial cells' plasma membrane and releases an enzyme-active component that increases the generation of cyclic adenosine 51-monophosphate (cAMP). Electrolytes and water are secreted in large quantities into the intestinal lumen as a result of the elevated intracellular cAMP level and cause diarrhea.
1 V. cholerae is ingested via contaminated water.
2 V. cholerae reaches the intestine after surviving transit through the stomach.
3 Cholerae cling to pili.
4 Cholera toxin is produced by V. cholerae.
5 A profuse, watery diarrhea is caused by the destruction of the host intestinal cells.
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the nutritive seed tissue that enhances the efficiency of food storage in the seeds of flowering plants is known as
The nutritive seed tissue that enhances the efficiency of food storage in the seeds of flowering plants is known as the endosperm.
The endosperm is a tissue produced inside the seeds of most flowering plants following double fertilization. It surrounds the embryo and gives nutrition in the form of starch, though it can also carry oils and protein.
There are three types of endosperm:
Nuclear: Primary endosperm nuclear division and subsequent nuclear divisions do not occur at the same time as the cell wall formation in nuclear endosperms.
Cellular: Nuclear divisions and cell wall development occur simultaneously in cellular endosperms and the endosperm has a cellular shape from the beginning.
Helobial: The cell wall is placed between the first two nuclei in this type of endosperm formation.
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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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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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a triplet of bases in a template strand of dna is gat. what would be the corresponding codon for mrna?
The corresponding codon for mRNA is CTU.
The template strand is the strand of DNA from which mRNA is synthesized. The coding or non-template strand is the DNA strand that is complementary to the template strand. It has the same sequence as mRNA. The DNA strand that serves as the template for RNA has the base sequence AGCTTCGA. Although DNA is double-stranded, only one strand at a time serves as the template for transcription.
This template strand is called the non-coding strand. The non-template strand is called the coding strand because its sequence is the same as that of the new RNA molecule. mRNA is normally translated by a series of ribosomes about 100 to 200 nucleotides apart. A group of ribosomes attached to an mRNA molecule is called polyribosomes or polysomes. Each ribosome within a group functions independently to synthesize a separate polypeptide chain.
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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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Which allele will be expressed when both
a dominant and recessive allele are
present in an organism?
A. dominant only
B. recessive only
C. the two alleles will mix
Answer:
A. Dominant only
Explanation:
A dominant allele needs to be present in only one gene (so in the gene Qq, only Q would be present)
However, in order for a recessive allele to be present, it needs to have two genes (so in the gene qq, the recessive gene would be present)
portion of an rna molecule that dose not contain information for making a protein and is removed prior to the rna molecule leaving the nucleus
Explanation:
exons.
exons are the uncoding part of RNA which is removed to form mature RNA.
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:
how is the basic functioning of enzymes affected by its shape, active sites and interaction with specific molecules and the environment?
If the enzyme changes, the active site could no liaised to the right substrate, resulting in a slower rate of reaction. Temperature and pH fluctuations will ultimately cause enzyme to denature.
Enzymes aid in the facilitation of biological processes in our body. Everything from respiration to digestion is aided by them. Too little too much of a particular enzyme might cause health concerns. Some persons with chronic diseases may require enzyme multivitamin supplements their bodies function properly.
Enzymes aid in the acceleration of chemical processes within the body. They are required for breathing, digestion, muscle contraction, and hundreds of other functions. Thousands of enzymes are found in each cell of the human body. Enzymes aid in the facilitation of chemical processes within each cell.
The function of enzymes is to carry out critical tasks. These involve muscle growth, removing toxins, and tearing down the molecules in food throughout digestion.
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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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describe how the antidote helped jared's cells make atp (include the etc and h gradient in your answer).
The antidote helped Jared's cells make ATP again as the antidote changes cyanide into thiocyanate which his body can remove in his urine.
What is urine?
As it travels through the nephrons and down the renal tubules of the kidney, urea, along with water and other waste products, creates the urine. both ureters. From the kidneys to the bladder, urine travels through these tiny tubes.
Explain how cyanide changes into thiocyanate?With the aid of the hepatic enzyme rhodanese, cyanide can be converted into thiocyanate in tiny dosages. Urine then excretes thiocyanate. A tiny amount of cyanide can also be changed into carbon dioxide, which the body exhales to escape the body. However, before adding cyanide, boiling the alkaline cystine solutions improves their ability to produce thiocyanate. Evidently, the potassium cyanide is converted to thiocyanate by the oxidation of the sulfur released during the alkaline breakdown of cystine (labile S).
Thus from above conclusion we can say that the antidote helped Jared's cells make ATP again as the antidote changes cyanide into thiocyanate which his body can remove in his urine.
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Used within animal cells to help the cell divide?
Answer:
Every animal-like cell has two small organelles called centrioles. They are there to help the cell when it comes time to divide. They are put to work in both the process of mitosis and the process of meiosis.
Explanation:
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What organ system in the human body contains the pituitary gland, hypothalamus gland, and thyroid gland?.
Answer:
endocrine system
Explanation:
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the pedigrees of the european royal families show that queen victoria's daughters carried hemophilia, which had important consequences in european history. what are the consequences of hemophilia?
Joint bleeding that can cause discomfort and persistent joint disease Head and occasionally brain bleeding, which can lead to long-term issues like seizures and paralysis.
What outcome of untreated haemophilia is most likely?Frequent internal bleeding, if left untreated, can lead to arthritis or joint degeneration. Infection. Human blood-derived clotting factors used to treat haemophilia increase the risk of viral infections like hepatitis C.
What is the most typical haemophilia complication?Joint Injury. Joint arthritis is the most frequent haemophilia consequence. A joint is where two bones come together. Hemophiliacs occasionally bleed into the joint space for no obvious reason or after an accident.
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The Opossum, which eats small snakes and berries alike, can fall under which categories within the food web feeding levels? Check all that apply.
A. Producer
B. Primary Consumer
C. Secondary Consumer
D. Tertiary Consumer
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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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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