toe flexion is movement of toes at the metatarsophalangeal and interphalangeal joints toward plantar surface of the foot through concentric contractions of the flexor digitorum longus and flexor hallucis longus muscles.TrueFalse
Answers
Toe flexion is movement of toes at the metatarsophalangeal and interphalangeal joints toward plantar surface of the foot through concentric contractions of the flexor digitorum longus and flexor hallucis longus muscles. This statement is true.
Toe flexion is due to contraction of the extrinsic and intrinsic toe flexor muscles. The major extrinsic toe flexor muscles of the toes are the flexor hallucis longus and the flexor digitorum longus. This 2 muscle flex the great toe and the lesser toes, respectively. The major intrinsic toe flexor muscles are insert on the base of the first proximal phalanx and the intermediate phalanges of the lateral four digits.
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Related Questions
A mutation in human ATPase 6 (which corresponds to E. coli subunit a) from leucine to arginine at position 156 may allow the movement of protons across the membrane, but not the rotation of the ring of c subunits. How might this possible mechanism affect the function of ATP synthase? Choose two answers.1. There would be an uncoupling of proton translocation and ATP synthesis.2. ATP hydrolysis coupled to proton transport out of the matrix would increase.3. There would be no net effect on the overall function of ATP synthase.4. ATP synthase would remain sensitive to F0 proton conduction inhibitors.5. The c subunits would not fold correctly.6. Proton binding to subunit c would be impaired.
Answers
1. There would be an uncoupling of proton translocation and ATP synthesis. 2. ATP synthase would remain sensitive to Fo proton conduction inhibitors.
Adenosine di phosphate (ADP) and inorganic phosphate are used to create the energy storage molecule adenosine triphosphate (ATP) by a protein called ATP synthase (Pi). It is categorized as a ligase since it modifies ADP by forming a P-O link (phosphodiester bond).
A molecular device called ATP synthase. Energy-wise, the production of ATP from ADP and Pi is undesirable, and the process would typically go the other way.
A proton (H+) concentration gradient across the inner mitochondrial membrane in eukaryotes or the plasma membrane in bacteria drives this reaction forward by coupling ATP synthesis during cellular respiration to the gradient.
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What are the reactants in the equation for cellular respiration?
Group of answer choices
glucose and oxygen
water and glucose
oxygen and lactic acid
carbon dioxide and water
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The process by which a dead or disabled pathogen (or proteins from that pathogen) is introduced into the body so that an immune response results without an actual infection is called? Group of answer choices Bacteriophage Vaccination/Vaccine Antibiotics Pathogenic
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Answer:
Vaccination/Vaccine
Explanation:
Vaccination/Vaccine: The process of using a dead or weakened version version of a microbe to gain antibodies, thus protecting against future infections without needing to have the disease first.
Bacteriophage: A virus that infects bacteria.
Antibiotics: Medicines are used to treat bacterial infections by killing the bacteria, and do not work on viruses.
Pathogenic: capable of causing disease.
True or false : Variations are different heritable traitu
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Answer:
false
. is the correct answer
Scientists have discovered many methods to manipulate DNA and create phenotypes that do not naturally exist in nature. Which technique would NOT be used by a genetic scientist to produce new genetic variations in a lab?
A. Transforming bacteria with engineered plasmids.
B. Using lasers to cut and paste DNA.
C. Inducing mutations with chemicals or radiation.
D. Inserting genes using viruses as vectors.
Answers
Answer:
I'm fairly sure it's D.
Scientists have discovered many methods to manipulate DNA and create phenotypes that do not naturally exist in nature. The technique would not be used by a genetic scientist to produce new genetic variations in a lab is transforming bacteria with engineered plasmids. Thus, option A is correct.
What is the main function of the plasmid in a prokaryotic cell?The main function of the plasmid in a prokaryotic cell is that the plasmids contain genetic material and generally Plasmids are organelles mostly found in prokaryotes such as bacteria. They are also found in some eukaryotes.
Plasmids have the ability to replicate on its own and they are used in replication processes of prokaryotes and help in the survival of the cell.They are small double stranded DNA molecule which is entirely different from the main cell DNA. Both the enzymes DNA polymerase I and DNA polymerase III involved in the process of DNA Replication with specialised functions.
Therefore, Scientists have discovered many methods to manipulate DNA and create phenotypes that do not naturally exist in nature. The technique would not be used by a genetic scientist to produce new genetic variations in a lab is transforming bacteria with engineered plasmids. Thus, option A is correct.
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PLEASE HELP ME FAST!
Answers
Answer:Form a hypothesis
Explanation:
Answer:
First you form a hypothesis
Give three ways the human body would change if all cells in the human body were the same.
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is an organism that uses the energy from the sun or inorganic substances to make its own food; it is also called a producer. is an organism that takes in or consumes other organisms to receive energy; it is also called a consumer.
Answers
Answer:
An autotroph
is an organism that uses the energy from the sun or inorganic substances to make its own food; it is also called a producer.
A heterotroph
is an organism that takes in or consumes other organisms to receive energy; it is also called a consumer.
Explanation:
An autotroph is an organism that uses the energy from the sun or inorganic substances to make its own food; it is also called a producer. A heterotroph is an organism that takes in or consumes other organisms to receive energy; it is also called a consumer.
What are autotrophs and heterotrophs?An autotroph can be referred to as an organism which uses the energy from the Sun or inorganic substances present in the environment to make its own food. These organisms are also called as producers. These organisms produce their own food through the process of photosynthesis.
Heterotrophs are the organisms which takes in or which consumes other organisms for receiving energy or as the food source. These organisms are also called as consumers. Consumers are further divided into different types on the basis of their food such as carnivores, omnivores, etc.
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Single stranded with a helix shape
DNA only
RNA only
Both DNA and RNA
Neither DNA nor RNA
Answers
Answer:
Both A and B
Explanation:
Because RNA is single stranded and the DNA has a helix shape
true or false?
Carnivores include lions, polar bears, hawks, frogs, salmon, and deer.
alafood chain
Answers
Answer:
false
Explanation:
deer are not carnivores
a carnivore is an animal that only eats meat, and some of these animals also eat plants (like baby frogs/tadpoles, which are herbivores)
[herbivore: only plant]
[omnivore: plant and animal]
[carnivore: only animal]
[decomposer: dead organisms]
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Why do gametes have half a set of DNA? What would happen if they had afull set of DNA? Explain your answer.
Answers
Answer:
What would happen if gametes had a full set of DNA? The number of DNA strands would double with each generation. One gamete cell divides into four cells, but each resulting cell has half the amount of DNA as compared to the original cell. Body cell mitosis
Explanation:
What would an ecologist measure in order to construct a pyramid of biomass for an ecosystem?
Answers
Explanation:
the total mass of all the organisms in a representative area of the ecosystem C. the total mass of all the organisms in the ecosystem D. the number of organisms in each trophic level of the food web. leticiasilvacos is waiting for your help.
my learnings about fossil fuels are
Answers
Answer:
oil
coal
natural gas are the fossil fuels
Since the primary organ that is affected by this virus is our lungs and lungs is the main organ in our respiratory system, list down the effect of this virus to the breathing mechanism of an infected patients.
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When a person is infected with a virus that primarily affects the lungs, such as respiratory viruses including SARS-CoV-2 (which causes COVID-19), it can have various effects on the breathing mechanism.
Here are some common effects:
Inflammation of the respiratory tract: The virus can cause inflammation in the respiratory tract, including the nasal passages, throat, and lungs. This inflammation can lead to swelling, narrowing of air passages, and increased mucus production, making it more difficult for air to pass through.
Airways obstruction: The virus can cause the airways to become constricted or obstructed due to inflammation, mucus buildup, and sometimes the formation of a thick membrane called a "pseudomembrane" in severe cases. This obstruction can restrict airflow and make breathing harder.
Pneumonia: In severe cases, the virus can cause pneumonia, which is an infection that causes inflammation and fluid buildup in the air sacs (alveoli) of the lungs. This can result in reduced oxygen exchange between the lungs and bloodstream, leading to difficulty in breathing and decreased oxygen levels in the body.
Respiratory distress: The infection can lead to respiratory distress, characterized by rapid and shallow breathing, increased work of breathing, and the feeling of shortness of breath. This can be due to the compromised lung function and reduced oxygenation.
Hypoxia: In some cases, the virus can cause low oxygen levels in the blood, a condition known as hypoxia. This can occur due to impaired gas exchange in the lungs or reduced lung function. Hypoxia can result in symptoms like rapid breathing, confusion, cyanosis (bluish discoloration of the skin and lips), and ultimately, organ dysfunction if left untreated.
Acute Respiratory Distress Syndrome (ARDS): In severe cases, the virus can trigger a condition called ARDS, which is a severe lung injury characterized by widespread inflammation, fluid accumulation in the lungs, and significant impairment of oxygen exchange. ARDS can lead to respiratory failure and necessitate the use of mechanical ventilation to support breathing.
It's important to note that the effects can vary depending on the severity of the infection and individual factors. Not all infected individuals will experience severe respiratory symptoms, but those with pre-existing respiratory conditions or other risk factors may be more susceptible to severe respiratory complications.
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How many chromosomes would you expect to be in the daughter cells of the mosquito after meiosis? When starting with 6
Answers
Answer:
The correct answer would be - three chromosomes.
Explanation:
Meiosis is the type of cell division that takes place in only sex cells and called reduction division as a single parent cell divide into four daughter cell that contains a half number of chromosomes as the parent cell.
The daughter cells are always haploid and have the half number of chromosomes. If an organism has 2n number of in its parent sex cell the daughter cells after meiosis will have n number of chromosomes
Therefore, mosquito = 2n = 6
after meiosis = n = 6/2 = 3
Thus, the correct answer would be - 3 chromosomes.
Suppose you have two liquids. One has a pH of 2. The other has a pH of 9. What can you tell from those pH?
Answers
Answer:
The liquid with a pH of 2 is an acid. The liquid with a pH of 9 is a base.
Explanation:
pH Scale:
1 2 3 4 5 6 7 8 9 10 11 12 13 14
A pH scale ranges from 1 - 14.7 is neutral.Any number on the scale less than 7 is acidic (acid).Any number on the scale more than 7 is basic (base).Problem solving tasks include actually making something such as a building, product or marketing plan. deal with creative tasks such as brainstorming a new direction or creating a new process. refer to coming up with plans for actions and making decisions. involve team members working on each task simultaneously.
Answers
Problem-solving tasks are essential in any organization. They are vital in identifying, analyzing, and addressing issues that may arise during the company's operations. Problem-solving tasks involve coming up with plans for actions and making decisions.
They also deal with creative tasks such as brainstorming a new direction or creating a new process. Additionally, they may include making something, such as a building, product, or marketing plan.
One of the critical aspects of problem-solving tasks is teamwork. It is essential to involve team members working on each task simultaneously. This approach helps to combine their skills and knowledge to generate solutions to problems. Each team member contributes their expertise to the group, which helps to address the problem more effectively.
Brainstorming a new direction involves taking a step back and evaluating the current state of things. It involves questioning existing processes and coming up with new approaches that could improve the organization's performance. The process should be collaborative, and team members should be encouraged to voice their opinions.
Creating a new process involves designing new procedures that address a specific problem. This process requires analytical and critical thinking skills to come up with a viable solution. The process should be documented to provide a reference point for future use.
In conclusion, problem-solving tasks require analytical and critical thinking skills to address the issues affecting an organization. The tasks include creative tasks such as brainstorming a new direction or creating a new process. They also involve making something, such as a building, product, or marketing plan. Teamwork is essential in problem-solving tasks, and involving team members working on each task simultaneously helps to generate more effective solutions.
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Plants that thrive in this type of climate are most likely adapted to which of these conditions
Answers
Answer:
Plants Adapting
Explanation:
Plants adapt to their environment from necessity. Plants may also adapt by growing lower and closer to the ground to shield themselves from wind and cold. Desert environments may have some of the following adaptations, these help the plant to conserve food, energy and water and still be able to reproduce effectively.
I can not fully answer your question because I do not know these conditions, did your teacher give a list?
What is the probability of getting the same numbers on 3 dice when they are thrown simultaneously?
Answers
Answer:
So, assuming the dice are 'fair' (that each of the six numbers has a probability of 1/6 of showing up on each of the dice), there is a probability of 1/36 that all three dice will show the same number.
Explanation:
Discuss any three potential benefits of genetically modified organisms to the environment
Answers
Answer:
More nutritious food.
Tastier food.
Disease- and drought-resistant plants that require fewer environmental resources (such as water and fertilizer)
Less use of pesticides.
Increased supply of food with reduced cost and longer shelf life.
Faster growing plants and animals
Explanation:
Explanation:
The possible benefits of genetic engineering include:
More nutritious food.
Tastier food.
Disease- and drought-resistant plants that require fewer environmental resources (such as water and fertilizer)
Less use of pesticides.
Increased supply of food with reduced cost and longer shelf life.
Faster growing plants and animals.
8. What determines the type of soil that is created when it is formed?
the altitude of the location of soil formation
a
the amount of time it takes to create the soil
the type of rock and minerals in the parent material
the types of organisms living in the soil
Answers
The type of rock and minerals in the parent material
Soils are plant support and they can be formed from rocks and other parent materials.
What is soil?Soil are the loosed surface material that covers land. They are made of inorganic particles, organic matters and minerals.
Soils can be formed form the disintegration of parents material such a rock into smaller particle size. Soils contains a mixture of minerals, dead and living organic matter.Therefore, the type of soil can be determined by type of rock and minerals in the parent material.
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lizards on a small island are more likely to have to mate with close relatives. the form of microevolution is
Answers
Answer: the founder effect
Explanation:
Cladograms are scientific hypotheses that can be overturned by new data. True False Angiosperm plants did not appear until after the extinction of the dinosaurs. True False The definition of an analogous character is "a character that has a similar function to a character in a different organism, but these similarities are due to different evolutionary origins". True False In evolution, non-genetic changes that occur during an organism's life span, such as increases in muscle mass due to exercise and diet, cannot be passed on to the next generation. True False The definition of a monophyletic group is "a group of organisms that has a single ancestor and contains only some of the descendants of this unique ancestor". True False An ichnofossil is any part of the hard skeleton left behind by a vertebrate in the fossil record. True False
Answers
An ichnofossil is any part of the hard skeleton left behind by a vertebrate in the fossil record. This statement is false. An ichnofossil is a trace fossil, which is any indirect evidence of past life, such as tracks, burrows, and feces. It is not part of the hard skeleton left behind by a vertebrate.
Cladograms are scientific hypotheses that can be overturned by new data. This statement is true. Cladograms are diagrams that show the evolutionary relationship between organisms based on various traits. New data can cause changes to be made to cladograms which can result in a change to the interpretation of the evolutionary history of organisms.
Angiosperm plants did not appear until after the extinction of the dinosaurs. This statement is false. Angiosperms, also known as flowering plants, appeared in the fossil record at least 140 million years ago. Although the dinosaurs went extinct around 66 million years ago, angiosperms were already widespread and diversifying by that time.
The definition of an analogous character is "a character that has a similar function to a character in a different organism, but these similarities are due to different evolutionary origins". This statement is true. Analogous characters are traits that have evolved independently in different groups of organisms due to similar environmental pressures and not due to a shared ancestor.
In evolution, non-genetic changes that occur during an organism's life span, such as increases in muscle mass due to exercise and diet, cannot be passed on to the next generation. This statement is true. Non-genetic changes that occur during an organism's life span are not heritable and cannot be passed on to the next generation. Only genetic changes that occur in the germ cells, such as mutations, can be passed on to the offspring.
The definition of a monophyletic group is "a group of organisms that has a single ancestor and contains only some of the descendants of this unique ancestor". This statement is false. A monophyletic group is a group of organisms that has a single ancestor and contains all of the descendants of this unique ancestor. This group is also called a clade.
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No-till farming helps to conserve soil fertility because
O remnants of the previous crop are left to slowly decay
O deep ridges are cut across, not down, the slopes of hills
the ground is carefully turned to mix soil nutrients
only organic fertilizers and natural pesticides are used
Answers
No-till farming helps to conserve soil fertility because : ( A ) remnants of the previous crop are left to slowly decay
No-till farming is a farming technique whereby a farmer grows crops or pasture without first tilling the soil. This technique comes with some advantages and disadvantages and it is currently gaining grounds among local farmers.
Advantages of No-till farming Improvement in soil structure prevents soil erosion saves time for farmerDisadvantages of No-till farming The cost of using special equipments possibility of Fungal diseaseuse of more herbicidesHence we can conclude that No-till farming helps to conserve soil fertility because remnants of the previous crop are left to slowly decay.
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The photo shows a single-celled organism.
Which sentence best describes what this organism will look like at the end of
its growth period?
A. The same single cell, but larger
B. Two cells, but half the size
C. A small ball of identical cells
D. Three individual cells in a row
Answers
Answer:
B. Two cells, but half the size
Explanation:
Single-celled organisms, which are also referred to as unicellular organisms, usually have a growth mechanism or process known as binary fission.
Binary fission is a an asexual reproduction process that involves the division of a mature parent cell into two identical daughter cells of equal sizes that are almost half of their parents cell.
The sentence that best describes how the single-celled organisms shown in the picture above will look like at the end of the growth period is: "b. Two cells, but half the size"
Answer:
B
Explanation:
an outgroup is used in order to: all of these choices are correct. decide which characteristics are analogous and which are homologous. determine which characteristics are shared and which are convergent. determine which characteristics are ancestral and which are derived.
Answers
An outgroup is a reference species or taxon that is phylogenetically closely related to the group being studied but falls outside of the group. It is used in phylogenetic analysis to help determine ancestral and derived characteristics, identify shared and convergent traits, and differentiate between homologous and analogous traits.
By comparing the characteristics of the outgroup to those of the group under study, researchers can identify shared traits that are likely ancestral and have been inherited from a common ancestor. They can also identify derived traits that are unique to the group being studied. This helps in distinguishing homologous traits, which are traits inherited from a common ancestor, from analogous traits, which are traits that have evolved independently in different lineages due to similar selective pressures (convergence).
Using an outgroup is an important tool in phylogenetic analysis as it provides a reference point for understanding the evolutionary relationships and distinguishing between shared and convergent traits.
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Can someone help me please?
Answers
Explanation:
the first one and the last one is transverse
explain how thyroxine production is an example of homeostasis
Answers
Explanation:
The production and release of thyroid hormones, thyroxine and triiodothyronine, is controlled by a feedback loop system that involves the hypothalamus in the brain and the pituitary and thyroid glands. ... This system allows the body to maintain a constant level of thyroid hormones in the body.
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A school aged child is brought to the clinic by her parents. The parents state that the child will be engaged in some activity at home and then just stop suddenly for a few seconds and then pick up the activity again as if there had been no break in what she was doing. This child should be assessed for what neurological disorder?
a.) Tonic-clonic seizures
b.) Absence seizures
c.) Myoclonic seizures
d.) Status epilepticus
Answers
Answer:
Absence seizures
Explanation:
This is a type of seizure also known as ( Petit Mal seizures).It is common in children, (between 4-14 years) and characterised with intent stare at empty space for few seconds(which may occur in 10 -100 times in a day) and does not caused any significant harm.However,with frequent occurrence it may affect concentration.It does not exceed 15 seconds
it is caused by repeated electrical signals in the brain due to interference in the synaptic transmission and also to alterations in levels of Neurotransmitters .
Staring into empty space,
Fluttering of eyelids
Intermittent stoppage of speech are some of the symptoms.
Treatment is with medications.,
Umm.. What is the answer then please help
Answers
Answer:
c
Explanation: