Final answer:
The work of Matthias Schleiden and Theodor Schwann provided evidence that both plant and animal tissues are composed of cells, supporting the aspects of cell theory that recognize cells as the basic unit of life and that all living things consist of one or more cells.
Explanation:
The work of Matthias Schleiden and Theodor Schwann directly supports the part of cell theory that pertains to the universality of cells as the foundational building blocks of all plant and animal life forms. Specifically, their observations and conclusions provided empirical evidence for two critical aspects of cell theory:
All living things are composed of one or more cells.The cell is the fundamental unit of structure and function in all living organisms.Although Rudolf Virchow would later expand upon this theory to assert that all cells arise from pre-existing cells, the contributions of Schleiden and Schwann were pivotal in establishing that both plant and animal tissues are cellular in nature.
Final answer:
The work of Matthias Schleiden and Theodor Schwann supports the part of the cell theory stating that all living things are composed of one or more cells.
Explanation:
The work of Matthias Schleiden and Theodor Schwann directly supports the part of the cell theory that states that all living things are composed of one or more cells. Schleiden observed that plant tissues are composed of cells, while Schwann observed that animal tissues were composed of cells. Together, their work demonstrated that cells are the basic unit of life and are present in both plant and animal organisms.
A deficiency of this vitamin causes beriberi, which is characterized by weakness, swelling, and tingling or numbness in the hands and feet
Beriberi which is commonly characterized by weakness, swelling, and tingling or numbness in the hands and feet is caused by a deficiency in Vitamin B1, otherwise known as Thiamin, therefore it is also known as Thiamin deficiency. This disease may lead to peripheral neuropathy and heart failure.
Beriberi, characterized by weakness, swelling, and tingling or numbness in the hands and feet, is caused by a deficiency of Vitamin B1, or Thiamine. Thiamine plays a crucial role in nerve function and energy metabolism. Besides beriberi, its deficiency can lead to Wernicke-Korsakoff Syndrome, a serious cognitive disorder.
Explanation:The vitamin deficiency that causes beriberi is a lack of Vitamin B1, also known as Thiamine. The symptoms of beriberi include weakness, swelling, and tingling or numbness in the hands and feet. These symptoms are a result of the role Thiamine plays in nerve function and energy metabolism. A severe deficiency in Thiamine can lead to nerve damage, heart failure, and even death.
In addition to beriberi, Thiamine deficiency can also lead to Wernicke-Korsakoff Syndrome, which is a neurodegenerative disorder that causes severe cognitive impairment. This condition is more common among heavy alcohol users who often have poor nutrition. Both beriberi and Wernicke-Korsakoff Syndrome can be treated with Thiamine supplements and a diet rich in Thiamine, such as lean meats, legumes, and whole grains.
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A student constructs a Venn diagram to compare the organelles in plant and animal cells. Venn Diagram of Plant and Animal Cells Which organelle should be listed under “Both” Plant and Animal cell
A.centriole
B.mitochondrion
C.chloroplast
D.cell wall
Answer: The correct answer is-
B) mitochondrion.
Mitochondria is a membrane bound specialized organelle that is present in both animal as well as plant cell.
It is considered as power house ( energy producing factory) of the cell as it produces large amount of energy (in the form of ATP) through metabolic process called cellular respiration. This energy is further utilized for driving various cellular processes.
Thus, option B) is the right answer.
what is nuclear transfer used for?
Answer:
creating clones
Explanation:
Apex
Alicia is not sure of the difference between a food web and a food chain. write a paragraph for alicia that explains the difference between a food web and food chain.
Final answer:
A food chain is a straightforward, linear representation of who eats whom in an ecosystem, while a food web is a complex network of interlinked food chains, offering a more holistic view of the energy and matter flow.
Explanation:
Alicia, the main difference between a food chain and a food web is how they depict the flow of energy in an ecosystem. A food chain is a linear sequence showing who eats whom, one step at a time. It starts with a primary producer and moves up to various consumers, each represented at different trophic levels. On the other hand, a food web is more complex and consists of numerous food chains that are interconnected. It shows a network of food chains that demonstrate how various paths of energy and matter flow through an ecosystem. Food webs better illustrate the biodiversity and the various dietary connections between organisms, whereas food chains are simpler and can be used to study specific relationships more closely.
What could cause your throat to hurt?
A sore throat can be caused by a viral or bacterial infection, or an allergic reaction. Common symptoms of a sore throat include pain, fever, congestion, and body aches. If the sore throat is severe or long-lasting, it may require medical attention.
Explanation:A sore throat could be caused by a range of conditions. Firstly, viral infections such as common colds, influenza, mononucleosis or conditions like measles, chickenpox, and croup often result in a sore throat. These typically come with additional symptoms like a fever, runny nose, cough, and muscle aches.
Secondly, a sore throat can often be the result of bacterial infections. For instance, Streptococcal infections damage the mucosal membranes of the pharynx and cause symptoms such as a high fever, intense pharyngeal pain, and swollen, dark-red palatine tonsils.
Lastly, allergies can cause your throat to hurt. Your throat can swell up and become sore if you have a strong response to an allergen, and this can potentially be life-threatening if you can't breathe as a result.
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When pregnant rats drink alcohol, their young offspring later display a(n)
a.immunity to fetal alcohol syndr?
When pregnant rats drink alcohol, their young offspring later display a liking for the taste and odor of alcohol. Thus, the correct option is A.
What effects does alcohol abuse cause?Drinking too much alcohol during the pregnancy in rats increase the risk of miscarriage, premature birth of the rats and the baby also having a low birthweight and other diseases.
The effects of alcohol abuse include brain damage, and problems with the growth and development of the fetus, birth defects in fetus, like heart defects, hearing problems, or vision problems, fetal alcohol spectrum disorders, low birthweight (LBW). Also, the consumption of alcohol by pregnant rats will result into liking for the taste and odor of alcohol by the offspring.
Therefore, the correct option is A.
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Your question is incomplete, most probably the complete question is:
When pregnant rats drink alcohol, their young offspring later display a(n)
A) liking for the taste and odor of alcohol.
B) aversion to the taste of alcohol.
C) immunity to fetal alcohol syndrome.
D) unusually rapid development of bladder control.
Positive correlations have been found between ____ and health outcomes.
If a cell in g1 has 40 chromosomes, then at the end of meiosis i there will be _________ chromosomes in each daughter cell, and __________ sister chromatids in each daughter cell.
Final answer:
At the end of meiosis I, a cell with an initial count of 40 chromosomes will have 20 chromosomes and 40 sister chromatids in each daughter cell. By the conclusion of meiosis II, each resulting gamete will have 20 single (non-replicated) chromosomes.
Explanation:
If a cell in G1 has 40 chromosomes, then at the end of meiosis I there will be 20 chromosomes in each daughter cell, and 40 sister chromatids in each daughter cell. This is because during meiosis I, homologous chromosomes are separated into two daughter cells, each containing one chromosome from each of the original pairs. Since these chromosomes were replicated during S phase, they consist of two sister chromatids, maintaining the chromatid count.
Subsequently, during meiosis II, these sister chromatids are separated, resulting in daughter cells that each contain 20 chromosomes that are no longer replicated. This means that by the end of meiosis II, each of the four resulting gametes will contain 20 individual chromosomes, with no sister chromatids.
Define the components of biodiversity. what is the significance of biodiversity as a potentially renewable resource?
A key element in the use of biofeedback is teaching a person to induce a state of ________ to help gain control over biological functions.
Three organelles (cell parts) found in plant cells, but not animal cells?
The term "brown bread" on a label is a guarantee that the bread has been made with whole-grain flour.
a. True
b. False
The term "Brown bread" on a label is a guarantee that the bread has been made with whole-grain flour. Thus, the given statement is false.
What is Brown bread?Brown bread is made from the parts of the wheat grains which include bran, endosperm, and germ, so it is brown in color. Brown Bread is made from the whole wheat flour which is the wheat grains that are not processed to remove bran and germ layer.
Brown bread is made through whole wheat, with their outer covering intact in the bread. This makes brown bread more nutritious and rich in fiber content as compared to white bread. Brown bread contains more amount of vitamin B6 and E, magnesium, folic acid, zinc, copper, and manganese.
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Match the term to the example sequence. assume you have a gene of interest that reads (in part): atg tgg ctg question 1 options: ugg (mrna) acc (trna) tgg (dna) tryptophan acc (dna) 1. complementary triplet 2. template triplet 3. codon 4. anti-codon 5. amino acid
The hellenistic philosophy advocating the avoidance of both joy and pain is called
The Hellenistic philosophy that advocates avoiding both joy and pain relates to Stoicism and Epicureanism, both of which emphasize achieving tranquility through moderation and philosophy.
The Hellenistic philosophy advocating the avoidance of both joy and pain is similar to the concepts of Stoicism and Epicureanism. Both philosophies were founded in early third-century BCE Athens and shared a focus on achieving internal peace and contentment, but they approached this goal differently. Stoicism, founded by Zeno, suggested that happiness resulted from accepting fate and avoiding extreme negative emotions. On the other hand, Epicurus's Epicureanism taught that pleasure was the highest good and that a life of moderation and philosophy could achieve freedom from mental, emotional, and physical pain through ataraxia (tranquility). Both schools were influential in the Hellenistic world and sought to teach methods for reducing suffering and achieving well-being.
Which field of study would be most useful to a person who wants to work with sea turtles? A. Zoology B. Geology C. Botany D. Meteorology
Answer:
Zoology
Explanation:
Zoology is one of the aspects of biology that is concerned with the study of animals with respect to their structure, function, morphology, anatomy, behaviour, etc.
Sea turtle is an animal. Hence, if someone wants to study or work on sea turtles, he must go for zoology.
Plate a and plate b are both continental plates what is the most likely result if the two plates collide
The plates will push each other up and form a mountain range.
Taking certain drugs during pregnancy is likely to expose unborn children to
Mr. dayton occasionally stops breathing while sleeping. he wakes up to snort air for a few seconds before falling back to sleep. mrs. dayton complains that her husband snores. clearly, mr. dayton suffers from:
Based on the described symptoms of occasionally stopping breathing during sleep and snoring, Mr.Dayton likely suffers from Obstructive Sleep Apnea, a common respiratory disorder.
Explanation:Based on Mr.Dayton's symptoms of occasionally stopping breathing during sleep and snoring, it seems probable that he suffers from a respiratory disorder known as sleep apnea. There are two types of sleep apnea: Obstructive Sleep Apnea and Central Sleep Apnea. In Obstructive Sleep Apnea, an individual's airway becomes blocked during sleep, which prevents air from entering the lungs. In Central Sleep Apnea, disruption in signals sent from the brain that regulate breathing cause periods of interrupted breathing. Mr. Dayton's case is probably indicative of Obstructive Sleep Apnea, as it's often associated with snoring, which is caused by an obstruction in the airway.
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A common ancestor is evident when comparing __________________ of different species in the phylum Chordata, especially in the early stages.
A) embryos
B) fossils
C) motility
D) protein structure
Fossils are the evidences that help to detect the phylogeny. A common ancestor is evident when comparing fossils of different species in the phylum Chordate, especially in the early stages.
What is phylogeny ?Phylogeny is the representation of evolutionary history and relationships between the groups of a tree that help to detect the evolutionary history of the species.
Fossils are helpful in detecting the phylogeny relationship between the species and the divergent evolution and convergent evolution helps to detect the history of the organism.
The tree depicts that the phylogeny tree are helpful in predicting the history of species and the human evolutionary history is able to found by the phylogeny tree as well through the studies of fossils.
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The part of the brainstem that controls heartbeat and breathing is called the
The medulla oblongata is the part of the brainstem that controls heartbeat and breathing. The brainstem, which includes the medulla along with the pons and midbrain, is responsible for various autonomic functions and connects the brain with the spinal cord.
The portion of the brainstem that controls heartbeat and breathing is called the medulla oblongata. This structure is part of the hindbrain and it manages critical autonomic functions such as regulating the heart rate and respiratory rhythm. The brainstem, the oldest and innermost region of the brain, connects with the spinal cord and is essential for many unconscious functions including the ones controlled by the medulla, like heartbeat and breathing, but also comprises other structures like the pons and midbrain, which are involved in different autonomic and motor control tasks. The pons, located above the medulla, plays a crucial role in body movement and balance.
The hasting's center outlined four broad goals of medicine:
What is the smallest number of nucleotides that must be added or subtracted to change the triplet grouping of the genetic message?
what’s the difference between an endoskeleton and an exoskeleton
An endoskeleton is an internal skeleton that grows with the organism and can support larger beings, found in humans. An exoskeleton is a hard outer shell found in animals like crabs and insects, providing better protection but limiting growth and size.
Explanation:An endoskeleton is an internal skeleton that consists of hard, mineralized structures located within the soft tissue of organisms. For example, humans have an endoskeleton. Endoskeletons provide support for the body, protect internal organs, and allow for movement through muscle contraction. An essential part of endoskeletons is that they can grow as the organism grows, and they can support larger organisms.
On the contrary, an exoskeleton is an external skeleton that consists of a hard encasement on the surface of an organism. Examples include the shells of crabs and insects. This type of skeleton provides defense against predators, supports the body, and enables movement through the contraction of muscles. However, they do not grow with the organism, and as a result, organisms with exoskeletons must periodically shed them to allow for growth.
Exoskeletons also provide greater protection for the internal organs, but at the cost of mechanical leverage, as the muscles must cross a joint inside the exoskeleton. Moreover, the weight and thickness of the exoskeleton limit the size of an organism that can be supported.
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The ________ is a region of dense bone that surrounds and protects the membranous labyrinth.
The area in which certain types of plants or animals can be found living in close proximity to each other is called a
Select one:
a. community
b. habitat
c. kingdom
d. niche
The area in which certain types of plants or animals can be found living in close proximity to each other is called a habitat.
Explanation:The correct answer is b. habitat.
A habitat is the specific area or environment where particular plants or animals naturally live and interact with each other and their surroundings. It provides all the necessary resources, such as food, water, and shelter, for the organisms to survive and reproduce.
For example, a coral reef is a habitat for various marine species, including fish, corals, and sea turtles. The plants and animals within a habitat form a community, which refers to all the different species living together in a particular area.
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Which receptor type is exemplified by opening a channel to let sodium into the cell?
A. Intracellular receptor
B. Enzyme-linked receptor
C. Ion channel-linked receptor
D. Endomembrane receptor
What is the scientific name for rust? is it Uredinales? or Iron oxide?
(when doing the kingdoms and domains thing?)
Please answer as soon as possible.... Please...
The scientific name for rust is iron oxide, specifically iron(III) oxide (Fe₂O₃), not Uredinales. Uredinales refers to a type of fungus affecting plants. Iron oxide forms when iron reacts with oxygen in the air.
The scientific name for rust is iron oxide, specifically in the form of iron(III) oxide with the chemical formula Fe₂O₃.
Iron oxide is often known as rust, a reddish substance found on corroded metal.Rust is a word used to describe the flaky, crusty, reddish-brown product that forms on iron when it reacts with oxygen in the air.Uredinales, on the other hand, refers to a type of fungus that affects plants and is not related to the rust found on metals.Therefore, the correct term for the reddish substance you see on corroded metal is iron oxide, not Uredinales.
My disabled son receives medicaid. after his dad passed he will receive medicare. how does this affect him
At which of the following temperatures is the speed of a given chemical reaction the fastest?
10 °F
20 °F
30 °F
40 °F
Answer:
At which of the following temperatures is the speed of a given chemical reaction the fastest?
40 f
Biology students used raw eggs in an experiment on tonicity and osmosis. The students put their eggs into vinegar to remove the shells. The vinegar was used to remove the shell form the raw egg. What other effect(s) did the vinegar have on the egg?
The egg swells up. The movement of particles from its higher concentration to the lower concentration through a semi-permeable membrane is known as osmosis. As the vinegar outside the egg has higher concentration of water molecules than the concentration of water molecules inside the egg hence to maintain the equillibrium, water molecules move inside the egg from the vinegar, which results into the swollen egg.