True, The evolution of more diverse prey phenotypes should increase potential niche diversity for predators.
Evolution is a change inside the heritable traits of organic populations over successive generations. These traits are the expressions of genes which are handed on from determine to offspring in the course of replica.
There are exquisite examples of this in the area of medicine. To live one step in advance of pathogenic sicknesses, researchers ought to recognize the evolutionary styles of disease-inflicting organisms.
The oldest recognised fossils are approximately 3.5 billion years antique, however a few scientists have located chemical evidence suggesting that life may additionally have started even in advance, nearly four billion years ago.
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Alexander the great, napoleon, mussolini, and hitler all suffered from which phobia? ailurophobia claustrophobia arachnophobia triskaidekaphobia.
Ailurophobia or fear of cats Alexander the great, napoleon, Mussolini, and Hitler all suffered.
Alexander the Great, Napoleon, Mussolini and Hitler, all suffered from ailurophobia the fear of cats. Ailurophobia is the extreme and irrational fear of cats.
Exposure therapy is considered to be one of the most effective treatments for phobias. This therapy works by exposing the patients with the one they fear . Therapy begins by looking at the picture of cats and gradually close interaction to decrease fear .
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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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When building a new
complementary strand, each
strand of the DNA molecule
serves as which of these?
During DNA replication, each of the two strands that make up the double helix serves as a template from which new strands are copied.
What is template?
The DNA polymerase enzyme bases the replication of DNA on a single strand of DNA known as a DNA template.
The double-stranded DNA is divided into two single-stranded molecules during the replication process. After working with these single strands, the DNA polymerase creates a fresh second strand of DNA on each of the two single strands. You just need one strand of DNA, which may be used as a template to replicate the missing strand of DNA thanks to complementary base pairing in DNA (A-T and G-C).
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Please help me!!!
I’ll give you the Brainiest!!!
Sometimes water seeps through the concrete wall of a basement after a heavy rain, and the
homeowner must remove it with a sump pump. How can this situation be compared to the action of
a unicellular organism that lives in a pond?
(Answer in 5-7 sentences)
Explanation:
This is Osmosis. water molecules move from an area of higher water potential to an area of lower water potential across a partially permeable membrane. in a unicellular organism, it's cell surface membrane is often selectively permeable which maintains the water potential within the cell.
Match the following facts about food chains and food webs.
______ show one set of predator/prey relationship
______ show all predator/prey relationships in the ecosystem
______ shows how energy is passed through different consumers
______ Does not include producers
a. Both food chains and food webs
b. Food chains
c. Food webs
d. Wrong since both food chains
and food webs do this
Answer:
- Food chains show one set of predator/prey relationship
- Food webs show all predator/prey relationships in the ecosystem
- Both food chains and food webs shows how energy is passed through different consumers
I'm pretty sure this is correct. I hope it helps :)
this structure of the medulla oblongata relays information from the red nuclei, midbrain, and the cerebral cortex to the cerebellum.
E the hypothalamus. The red nuclei, midbrain, and cerebral cortex communicate with the cerebellum through this medulla oblongata structure.
What sends information from the cerebral cortex to the cerebellum?The lowest portion of the brain, the brainstem, is situated in front of the cerebellum and is attached to the spinal cord. The midbrain, pons, and medulla oblongata are its three constituent parts. It acts as a relay station, transmitting messages back and forth between the cerebral cortex and various bodily regions.
What parts of the medulla transmit impulses to the cerebellum?Pons: Located in the brainstem, the pons joins the thalamus and medulla oblongata. It consists of tracts that transmit impulses from the motor cortex to the medulla, thalamus, and cerebellum.
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Certain reactions in cells are endergonic. How do cells make those reactions proceed?.
what is a type of body plan in which an animal's body is divided into nearly identical units? multiple choice question.
Answer: Segmented body plan
Explanation:
what part of a nucleotide provides energy to form the sugar-phosphate backbone of dna and rna molecules?
A component of the phosphate backbone known as an ATP, an energy molecule, is used to bind the DNA together.
What are DNA and RNA molecules?
Nucleic acids, which are big molecules consisting of monomers called nucleotides, include DNA and RNA. Genetic information, which the organism uses to produce proteins, is stored in nucleic acids. Despite the many similarities between DNA and RNA, there are a number of significant structural and functional differences between these two molecules.
What is the sugar phosphate backbone of DNA and RNA molecule?
The part of the DNA double helix that gives the molecule's structure support is known as the phosphate backbone. Two strands of DNA form a twisted ladder-like structure by wrapping around one another. Deoxyribose and phosphate groups alternately form the backbone of each strand.
Hence, ATP is the molecule providing energy for the process.
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Which of the following is true about ecological succession?
O secondary succession is much slower than primary succession
O Primary succession comes after secondary succession
O During succession one species replaces another species over time
O a tornado would cause primary succession to occur
O secondary succession occurs when bare rock is colonized by organisms such as algae
Answer:During succession one species replaces another species over time
Explanation:example: If lichen comes first, then grass or whatever will gradually replace the the lichen (or another example, that one was kinda bad)
one cup of soft-serve ice cream contains 38 g of carbohydrate, 11 g of protein, and 18 g of fat. how many calories are there in a cup of soft-serve ice cream? one gram of carbohydrate supplies roughly 4 cal of energy. one gram of protein provides 4 cal of energy, and one gram of fat supplies 9 cal of energy.
Total calories in one cup of soft-serve ice cream that contains 38 g of carbohydrate, 11 g of protein, and 18 g of fat is 358 calories.
The nutrition facts given in the problem:
Carbohydrate supplies 4 calories per gram.
Protein supplies 4 calories per gram.
Fat supplies 9 calories per gram.
The soft-serve ice cream contains:
- 38 g of carbohydrate
- 11 g of protein
- 18 g of fat
Multiply each constituent with its energy content:
Energy from carbohydrate = 38 x 4 = 152 calories
Energy from protein = 11 x 4 = 44 calories
Energy from fat = 18 x 9 = 162 calories
Hence, energy total in the ice cream is 152 + 44 + 162 = 358 calories.
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the diagnosis for this patient is likely an autoimmune disease called . in which case, the patient's immune system is making antibodies that bind to , decreasing their function. inhibitors of are commonly used to treat the effects of this disease. in severe cases, the may be removed to reduce the release of hormones that stimulate antibody-producing cells. temporary removal of the harmful antibodies from the blood may be accomplished by a technique called .
The diagnosis for this patient is likely an autoimmune disease called myasthenia gravis. In which case, the patient's immune system is making antibodies that bind to acetylcholine receptors, decreasing their function. Inhibitors of acetylcholinesterase are commonly used to treat the effects of this disease. In severe cases, the thymus may be removed to reduce the release of hormones that stimulate antibody-producing cells. Temporary removal of the harmful antibodies from the blood may be accomplished by a technique called plasmapheresis.
What is myasthenia gravis?Myаstheniа grаvis (MG) is а chronic аutoimmune disorder in which аntibodies destroy the communicаtion between nerves аnd muscles, resulting in weаkness of the skeletаl muscles. Myаstheniа grаvis аffects the voluntаry muscles of the body, especiаlly those thаt control the eyes, mouth, throаt аnd limbs.
Your question is incomplete, but most probably your full question was
Case Study: A woman in her mid-30s began to experience drooping eyelids followed by difficulty in swallowing. As the condition progressed she began to feel an overall weakness. Tests indicated that she had an abnormally low number of acetylcholine receptors on her skeletal muscle cells.
Complete each sentence with the correct word or phrase regarding this patient.
thymusthyroidmultiple sclerosismyasthenia gravisacetylcholinesteraseacetylcholine receptorsplasmapheresisFor more information about myаstheniа grаvis refer to the link:
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What would be the result of a cell that completed mitosis but did not successfully complete cytokinesis?
Answer:
Explanation:
two distinct, identical daughter cells.
Which statement forms part of cell theory
Explanation:
There are three principles of cell theory
all organisms are composed of one or more cellsThe cell is the basic unit of structure and organizationcells arise from pre-existing cellsif a scientist wanted to compare the expression of one gene under two sets of conditions, what technique would they use?
If a scientist wanted to compare the expression of one gene under two sets of conditions, chain termination is the technique they would use.
Chain termination is any chemical response that ceases the formation of reactive intermediates in a sequence propagation step withinside the route of a polymerization, efficaciously bringing it to a halt.
Sanger sequencing, additionally referred to as the “chain termination technique”, is a way for figuring out the nucleotide collection of DNA. The approach become evolved with the aid of using time Nobel Laureate Frederick Sanger and his colleagues in 1977, subsequently the call the Sanger Sequence.
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• 100% 0.1% 1% ● ● Each level on the energy pyramid above represents one of these amounts of energy: 6 B 0.01% 10% E Every level in an energy pyramid represents a different amount of energy. Can you identify the energy available for each of the organisms shown below? Add the percentage of energy given to the butterfly to the energy of the eagle and the energy of the frog. This number is your code to advance to the next level. Make sure to include the % sign in your code (example: 25.23%).
each level only takes up 10 percent of the trophic level before it due the the energy used by the organisms in the previous trophic level.
What are some advantages of using a model for teaching about organs rather than using an actual organ?
Answer: Safety, usage, health.
Explanation: It is safer to use a model as it can't gain germs or bacteria or rot like an actual organ. Easier to get than to buy one from a dead organism. The rot or bacteria could be a health risk. You can use it for a longer period of time than an actual organ. If you drop it there could also be issues with that.
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What would be problematic about making one side of the sowbug/pillbug chamber hot and dark while the other side is cool and illuminated?.
Making one side of the sowbug or pillbug chamber hot and dark while the other side is cool and illuminated would be problematic because: the bugs might prefer light environments but dislike cool backgrounds. It would be not easy to compare two differences simultaneously and there would be confounding variables.
What are the confounding variables?Confounding variables are the third variable that influences both dependent and independent variables. This variable could distort the associations between the two variables. If we make one side of the sowbug hot and dark while the other side is cool and illuminated, the true relationship between the two variables will not be accurate.
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owen lovejoy hypothesized that: a. bipedalism meant less body surface to expose to the sun, resulting in a smaller body size. b. monogamy and food needs created the necessity for bipedalism. c. bipedalism arose in areas where the forest was disappearing. d. bipedalism arose as a result of a shift to hunting as a primary source of food.
Owen Lovejoy hypothesized that monogamy as well as food needs created the necessity for bipedalism.
So, the correct option is B.
According to Lovejoy's idea, sexual dimorphism suggested that acquiring food would increase the newborn survival rate. While females guarded their young, men were in charge of providing for the females (Lovejoy, 1980). The significance of bipedalism in early human evolution. Males who could walk on two legs were able to carry more food than their quadrupedal counterparts, which made the knuckle-walkers appear much less attractive to females.
In this hypothesis, the upright men were just more effective wage earners. Bipedalism may have had at least four direct effects on the development of language and cognition, two of which were specifically related to the capacity to produce human speech sounds and two of which were generally connected to the development of increased brain size and cognition.
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The purpose of messenger RNA, or mRNA, is to.
Explanation:
mRNA transcribes the genetic code from the DNA into a mRNA stand and carries the codons out of the nucleus to a ribosome where it is translated.
which type of self-tolerance entails differentiation of regulatory t cells that limit inflammatory cytokine secretion in secondary lymphoid tissue and at sites of inflammation
Functional deviation is a kind of self-tolerance that entails the differentiation of regulatory t-cells that limit inflammatory cytokine secretion in secondary lymphoid tissue and at sites of inflammation.
The immune system's capacity for self-tolerance is its capacity to see its own antigens as non-threats while correctly waging an attack against alien substances. Normal physiological function and general health depend on this equilibrium of immune defense and self-tolerance.
Normal self-tolerance is primarily maintained by clonal deletion of maturing peripheral T and B cells as well as clonal deletion of developing T and B cells.
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In sickle cell anemia, the defective hemoglobin differs from the normal hemoglobin by?.
Hemoglobin S, an aberrant hemoglobin molecule, sticks to other hemoglobin molecules in sickle cell disease patients and forms long, rod-like formations.
What does hemoglobin do?Red blood cells include a protein called hemoglobin, which distributes oxygen to your blood carries oxygen while returning carbon dioxide to your lungs. A low red blood platelet count indicates a low hemoglobin level, which can be determined by a hemoglobin test.
Is a high hemoglobin count okay?A related dangerous ailment is unlikely to be indicated by a high hemoglobin count if there are no other abnormalities. Adults with congenital heart disease are one example of a condition that might result in a high hemoglobin count. symptoms of COPD getting worse.
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this joint is the largest and most complex of the body, and consists of three joints contained within its snyocial cavity
The most extensive and intricate joint in the body is the knee.
How many different kinds of joint explain?The structural classification of joints divides them into three categories: fibrous, cartilaginous, & synovial joints. Fibrous joints are those in which collagen-rich, thick connective tissue connects the bones. Sutures is another name for these joints. Cranium joints between bones are made of fibrous tissue.
Which two main types of joints are there?Diarthrosis, in which liquid is present, & synarthrosis, in which liquid is absent, are the two fundamental structural forms of joint. The synovial joints, also known as diarthroses, are entirely permanent. While some synarthroses are temporary, others are enduring.
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Activation energy (EA) is defined by the following statement(s).
A. EA is the amount of energy needed for a reaction to occur.
B. EA is lowered by the appropriate enzyme.
C. EA is the same between reactants and products.
D. A and B
E A, B, and C
EA is indeed the amount of energy needed for the a reaction to take place, and the right enzyme lowers EA.
The correct answer is A,B
What is the actual meaning of energy?The definition of energy is the capacity for work. Numerous things contain energy, which can also exist in a variety of forms. Kinetic energy, for instance, is the energy of motion, and potential energy is the energy resulting from the location or structure of an object. Although energy can change forms, it never actually disappears.
Why does energy exist?Energy is a phrase used to describe a property of matter and non-matter fields; it is not a substance in and of itself. For instance, it is argued that matter has kinetic energy when it moves quickly. Potential energy can take many different forms.
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dcpip (2,6-dichlorophenol-indophenol), a blue dye, can act as an electron acceptor and becomes colorless when reduced. a suspension of chloroplasts is prepared, and dcpip is added to the suspension. the sample is split into two test tubes. one test tube is exposed to light and the other is wrapped in foil (dark control). what would you observe over time comparing the light exposed and the dark control test tubes?
The light exposed test tubes will become colorless while dark test tubes will remain blue.
During the light reaction, the photolysis of water occurs. The breakdown releases hydrogen ion and electrons which are further used for reduction of NADP. The reduced NADPH contributes to the ATP generation.
Now, DCPIP also accepts the electron. So, during the light reaction in test tube exposed to light, the photolysis of water will occur followed by reduction of DCPIP. Thus, it will become colourless. Dark test tube wil not have the same reaction and hence DCPIP will remain blue in colour.
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how common are mutations during dna replication? a. about 5 nucleotides in 6.5 billion are changed during each replication. b. about 50 nucleotides in 6.5 billion are changed during each replication. c. no nucleotides are changed during each replication. d. about 5,000 nucleotides in 6.5 billion are changed during each replication. e. about 500 nucleotides in 6.5 billion are changed during each replication.
The mutations are common in the sense that about 5 nucleotides in 6.5 billion are changed during each replication (Option a).
What is the mutation rate?The mutation rate refers to the number of nucleotide changes that emerge at each replication cycle of the DNA molecule, which varies between different types of organisms, especially when comparing prokaryotes and eukaryotes.
Therefore, with this data, we can see that the mutation rate is the number of alterations in the DNA molecule after replication and the number is variable between different groups of species in nature.
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According to Table 3 and your pictures, which is better able to absorb enough
nutrients to supply its total volume, a small cell or a large cell? Explain.
Smaller single-celled organisms have a high surface-to-volume ratio, allowing them to survive by relying on waste disposal and oxygen diffusion. If the items have a higher surface area to volume ratio, this technique may work better.
Why is the size of the cell advantageously small?Because cells are so tiny, they may optimise their surface area to volume ratio. More molecules and ions can pass the cell membrane per unit of cytoplasmic volume in smaller cells due to their greater ratio. The reason why cells are so little is so that they can swiftly take in nutrition and expel waste.
The volume to surface area ratio is more favourable for material exchange with the environment via diffusion in smaller cells. Volume controls how much enters and exits the cell, whereas surface area controls the pace at which nutrients are taken in or eliminated.
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what is meant by translocation? view available hint(s)for part f what is meant by translocation? the two ribosomal subunits are joined in a complex. the ribosome slides one codon down the mrna. the polypeptide chain grows by one amino acid. the completed polypeptide is released from the ribosome.
The ribosome slides one codon down the mRNA. Option B.
Transcription is the technique of the producing of RNA from DNA. Translation is the gadget of the formation of protein from RNA. Translocation is the motion of substances in vegetation from the leaves to other elements of the plant. Translation takes area at the ribosome, which includes rRNA and proteins. In translation, the instructions in mRNA are take a look at, and tRNA brings the perfect collection of amino acids to the ribosome.
Metabolic techniques, particularly the products of photosynthesis are transported from the leaves in which they may be formed to unique factors of the plant. This shipping of soluble photosynthetic products is known as translocation and takes vicinity in a part of the vascular tissue called the phloem. A mutation wherein non-homologous chromosomes change stretches of DNA. Autosomal issues. Autosomal troubles affect each women and men.
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the digestive tract in humans harbors a diverse microbial community, starting with the mouth which is colonized mainly by a number of species of
The digestive tract in humans harbors a diverse microbial community, which is colonized mainly by a number of species of Streptococcus.
Streptococcus is a genus of spherical bacteria that belongs to the family Streptococcaceae. These bacterias produce d-lactic acid, a type of acid that, if produced excessively, can lead to lactic acidosis.
Besides lactic acidosis, these bacteria can also cause many health problems, such as:
Strep throat, which is caused by group A Streptococcus. The symptoms include fever, sore throat, and swollen lymph nodes in the neck.Scarlet fever is also caused by group A Streptococcus.Pneumonia, which is caused by a group B Streptococcus. Streptococcus pneumoniae.Learn more about Streptococcus at https://brainly.com/question/22774534
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Which of these is something that is present ONLY in plant cells?
A. mitochondria
B. nucleus
C. chloroplast
D. DNA