The _____ plays a key role in the stress response because it is the chief region of the brain responsible for integration of sympathetic and parasympathetic activities.
Answers
The hypothalamus plays a key role in the stress response because it is the chief region of the brain responsible for integration of sympathetic and parasympathetic activities.
What are sympathetic and parasympathetic activities?The sympathetic activities are those activities that are controlled by the sympathetic nervous system while the parasympathetic activities are also those activities that are controlled the the parasympathetic nervous system.
Some sympathetic activities include the following:acceleration of heart rate,widens bronchial passages, decrease motility (movement) of the large intestine, constrict blood vessels in decreased blood pressureincreases in corticotropin and cortisol secretion in stress responses.The hypothalamus is the coordinating center of the body that unifies the activities of both the sympathetic and parasympathetic activities.
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Related Questions
A biologist reads an article in a scientific journal that describes how the legs
of different organisms look and function differently, but appear to be
constructed from the same basic bones. He compares a drawing of the
skeletal structure of a porpoise's fin with one of an elephant's leg. (7A)
What aspect of the theory of evolution do these drawings support?
Answers
Answer:
Homology
Explanation:
The aspect of the theory of evolution that the drawings support is homology. Homologous organs are organs of different organisms that look similar in structure but perform different functions in reality.
Organs that are built on the same or similar basic plans in the same organisms but perform different functions are thought to have been from the same ancestor. Hence, homology or homologous organ represents one of the evidence used to support the theory of evolution which opines that all living organisms descended with modifications from common ancestors.
Human cells have 46 chromosomes. Each chromosome consists of a pair of identical chromatids attached together by a structure called a centromere. Once the chromosome has split, each chromatid is called a daughter chromosome. At the end of cytokinesis, how many daughter chromosomes will be found in each cell? Explain.
Answers
Answer: 2
Explanation:
Each of the 46 original chromosomes splits into two daughter chromosomes, so there are two sets of 46 daughter chromosomes that end up in each cell. Human cells have 46 chromosomes. Each chromosome consists of a pair of identical chromatids attached together by a structure called a centromere.
At the end of cytokinesis, there will be 46 daughter chromosomes in each cell.
MITOSIS:Mitosis is the type of cell division that results in two daughter cells that are genetically identical to one another. According to this question, human cells possess 46 chromosomes, which divides during mitosis into daughter chromosomes called chromatids.Therefore, after cytokinesis, 46 daughter chromosomes will be present in each cell in order to maintain the chromosome number of the parent cell.
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Another name for a convex lens is a converging lens. Converging means…
A. Brings light into focus (beams come together)
B. Spreads light our or focus (beams spread apart)
Answers
Answer:
A
Explanation:
Answer:
A. Brings light into focus (beams come together)
Explanation:
Converging lens or convex lens is a type of lens on which parallel rays of light after refraction converge or meet at the focus of the lens.
Hope it helps.
If you have any query, feel free to ask.
Which of the following careers is NOT within the diagnostic services pathways?
Phlebotomist
Pathologist
Medical illustrator
All of the above
Answers
Answer: Medical illustrator
Explanation:
Science
I believe I know the answer but just want to make sure I have it
Explain how science uses fossil evidence paired with geologic time to support the theory of evolution. Explain
and support your answer and thinking.
Answers
Answer:
the anser is fossil geologic time
Explanation:
Cell fluid is made of water with other substances dissolved into it. When a cucumber slice is placed into 100% pure water, which way will the water immediately begin to move?
A.
out of the cucumber cells
B.
into the cucumber cells
C.
water will move in and out equally
D.
water will not move
Answers
Osmosis is a method by which molecules of solvent flow from an inexpensive solution to an extremely concentrated solution via a membrane with a Adding salt to cucumber slices pulls out excess moisture from the veggie.
The correct answer is :C.
What occurs when you immerse a cucumber in water?In transferring across the cells into the salt solution, the water present in cells of cucumber aims to level off the unequal quantities. As a result of this, the cucumber lose water and turns mushy. This is commonly referred to as a hypertonic environment.
Which direction is the salt, vinegar, alum, and water flowing into or out of the cucumber?Because the content of water inside a cucumber is approximately 98%, we can estimate that solutes such as vinegar, salt, and alumina will have to diffuse into the cucumber. Water, on the different hand, which makes up 98% of a a cucumber, is released by osmosis.
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can you match each distinctive feature with the worm phylum that displays it? part a sort each feature to the appropriate worm phylum.
Answers
The distinctive features matched with the worm phylum that displays it are Longitudinal and circular muscle layers in the body wall - Platyhelminthes. Complete digestive system, Body segments bearing setae, and Coelomic fluid that acts as a hydrostatic skeleton - Annelida.Body cavity between the mesoderm and endoderm - Nemertea.Crown of ciliated tentacles for feeding - Echiura.
Here are the distinctive features matched with the worm phylum that displays it.
Part A
1. Longitudinal and circular muscle layers in the body wall - Platyhelminthes
2. Complete digestive system - Annelida
3. Body segments bearing setae - Annelida
4. Body cavity between the mesoderm and endoderm - Nemertea
5. Crown of ciliated tentacles for feeding - Echiura6. The coelomic fluid that acts as a hydrostatic skeleton - Annelida
Part B
1. Platyhelminthes: The phylum Platyhelminthes displays the feature of Longitudinal and circular muscle layers in the body wall.
2. AnnelidaThe phylum Annelida displays the feature Complete digestive system, Body segments bearing setae, and Coelomic fluid that acts as a hydrostatic skeleton.
3. NemerteaThe phylum Nemertea displays the feature Body cavity between the mesoderm and endoderm.
4. EchiuraThe phylum Echiura displays the feature Crown of ciliated tentacles for feeding.
To summarize, the distinctive features matched with the worm phylum that displays it are Longitudinal and circular muscle layers in the body wall - Platyhelminthes. Complete digestive system, Body segments bearing setae, and Coelomic fluid that acts as a hydrostatic skeleton - Annelida.Body cavity between the mesoderm and endoderm - Nemertea.Crown of ciliated tentacles for feeding - Echiura.
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describe how errors in chromosome structure occur through inversions and translocations
Answers
Errors in chromosome structure occur through inversions and translocations, resulting in rearrangements of genetic material within chromosomes.
Errors in chromosome structure can occur through inversions and translocations, leading to changes in the arrangement of genetic material within chromosomes.
Inversions: Inversions involve the rearrangement of chromosome segments within the same chromosome. There are two types of inversions: pericentric and paracentric. Pericentric inversions occur when a segment within a chromosome break, flips, and reattaches, including the centromere. Paracentric inversions, on the other hand, do not involve the centromere. In both cases, the order and orientation of genes within the inverted segment are reversed. Inversions can disrupt gene function if they occur within coding regions, alter gene regulation, or cause issues during chromosome pairing in meiosis.Translocations: Translocations involve the exchange of chromosome segments between non-homologous chromosomes. There are two main types: reciprocal and Robertsonian translocations. Reciprocal translocations occur when segments from two different chromosomes break and exchange places. Robertsonian translocations occur when the long arms of two acrocentric chromosomes (chromosomes with centromeres near one end) fuse, creating a single chromosome. Translocations can result in altered gene expression, disruption of gene function, or problems during meiosis, leading to infertility or miscarriages.Learn more about errors in chromosomes at
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3 times the sum of 2 and y?"
Answers
Answer and Explanation:
3(2 + y) is the answer.
The 3 is multiplying the 2 and y inside the parenthesis.
#teamtrees #PAW (Plant and Water)
When it is sunny at the North Pole, it is dark at the South Pole. True or false
Answers
Answer: True
HOPE THIS HELPS
Which of the following are measurable? (Select all that apply)
✓ How often a plant is watered
✓ How much sunlight a plant receives
Seeing the pretty leaves on a plant
The actual number of new leaves on a plant
Answers
Answer:
a
Explanation:
well of you use a cup to give a plant water you can measure how much it drinks
The measurable factors are A) How often a plant is watered, B) How much sunlight a plant receives, D) The actual number of new leaves on a plant.
Options (A) (B) & (D) are correct.
Measurable factors are those that can be quantified or expressed numerically. A) The frequency of watering can be counted and tracked over time. B) Sunlight can be measured in terms of intensity, duration, or light levels. C) "Seeing pretty leaves" is subjective and not quantifiable.
D) The actual number of new leaves is a concrete count, making it measurable. When studying or managing plants, it's essential to focus on quantifiable aspects, like watering frequency, sunlight exposure, and counts of observable changes, for accurate analysis and decision-making.
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The complete question is:
Which of the following are measurable? (Select all that apply)
A) How often a plant is watered
B) How much sunlight a plant receives
C) Seeing the pretty leaves on a plant
D) The actual number of new leaves on a plant
True or false: An antibiotic is a substance produced by natural metabolic processes of some microorganisms.
Answers
Answer:
False.
Explanation:
"Antibiotics are drugs that kill harmful microorganisms. It attacks the normal functioning of the disease-causing."
The presence of only one X chromosome in each body cell of a human female produces a condition known as Turner syndrome. This condition likely results from the process called
A. polyploidy
B. crossing-over
C. nondisjunction
D. hybridization
Answers
Answer:
C. nondisjunction
Explanation:
Turner syndrome likely results from the process called nondisjunction. Nondisjunction refers to the failure of chromosomes to separate correctly during meiosis, the process of cell division that occurs during the production of eggs and sperm. If nondisjunction occurs during the production of eggs, it can result in eggs with an abnormal number of chromosomes. If one of these eggs is fertilized by a sperm with a normal complement of chromosomes, the resulting embryo will have an abnormal number of chromosomes.
Imagine that a brown horse and a white horse cross to produce an offspring whose coat is making up of some brown hairs and some white hairs. Which pattern of dominance is this an example of?
Answers
Answer:
Codominance
Explanation:
So this would either be codominance or incomplete dominance. With incomplete dominance, you tend to get a whole other colour- for example crossing black and white chickens and getting a blue chicken. If you cross brown and white, and get a mix, it must be codominance because both traits are shown.
all you need is in the photo please answer fast please helpppppp
Don't answer randomly if you do you lose your points because I am gonna lose points
Answers
1. Sister chromotids
2. Non sister chromotids
3. Tetrad
4. Recombination chromotids
5. Homologous chromosomes
I hope this helps!
Lesson 05.01 Evolution
Identify early ideas about evolution
Discuss theories that influenced scientific debate over evolution
Recognize the major sources of evidence for evolution
Recognize the pattern of features that reveal the history of a species
Answers
1. Early ideas about evolution:
Ancient Greek philosophers, such as Empedocles and Anaximander, proposed early ideas about the development and transformation of life forms.In the 18th century, naturalists like Jean-Baptiste Lamarck suggested theories of transmutation, proposing that species could change over time through the inheritance of acquired traits.2. Theories that influenced scientific debate over evolution:
Jean-Baptiste Lamarck's theory of inheritance of acquired characteristics proposed that traits acquired during an organism's lifetime could be passed on to the next generation.Charles Darwin's theory of natural selection, outlined in his book "On the Origin of Species" (1859), suggested that favorable variations in organisms' heritable traits would increase their chances of survival and reproduction, leading to the gradual evolution of species over time.Gregor Mendel's work on inheritance and genetics in the 19th century provided a foundation for understanding how traits are passed on through generations.3. Major sources of evidence for evolution:
Fossil record: Fossils provide evidence of organisms that lived in the past and show the progression and changes in species over time.Comparative anatomy: Similarities and differences in anatomical structures across different species provide evidence of common ancestry and evolutionary relationships.Biogeography: The distribution of species around the world can be explained by evolutionary processes, such as continental drift and the movement of organisms across geographic barriers.Embryology: The study of the development of embryos reveals similarities in early stages among different species, suggesting a common ancestry.Molecular biology: Comparisons of DNA, proteins, and other molecules across different organisms provide evidence of shared genetic information and evolutionary relationships.4. Pattern of features revealing the history of a species:
Phylogenetic relationships: By comparing the characteristics of different species and constructing phylogenetic trees, scientists can infer the evolutionary history and relationships between species.Homologous structures: Similar structures found in different species, such as the forelimbs of vertebrates, suggest a common ancestry and shared evolutionary history.Vestigial structures: Rudimentary or non-functional structures in organisms that serve no purpose but have functional counterparts in other species provide evidence of shared ancestry and evolutionary change.Fossil record: Fossils reveal the succession of different species over time, showing patterns of extinction, appearance, and transformation.These concepts and lines of evidence collectively support the understanding of evolution and provide insights into the history and development of species over millions of years.
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Which statement describes the chamber marked with a star? Human heart A. It is the right atrium, and it pumps blood to the lungs. B. It is the right ventricle, and it pumps blood to the lungs. C. It is the right atrium, and it pumps blood to the body. D. It is the right ventricle, and it pumps blood to the body.
Answers
Answer: It is the right ventricle, and it pumps blood to the body.
Explanation:
Answer:
It is the right ventricle, and it pumps blood to the lungs.
RIGHT ANSWER
what is meant by environment
Answers
Answer:
Environment means anything that surround us. It can be living (biotic) or non-living (abiotic) things. It includes physical, chemical and other natural forces. Living things live in their environment.
Explanation:
I'm not sure but hope it helps!
Answer:
environment is the the surroundings or conditions in which includes living and non-libing things.
Have a great dayy
__________ is a condition often caused by harmful agricultural practivices, deforestation, or drought that results in infertile land.
A)
Heat island
B)
Famine
C)
Salinization
D)
Urban sprawl
E)
Desertification
Answers
Answer:
E) Desertification
Explanation:
Skin color shows a gradation of colors. Is this is a qualitative or quantitative trait? Why?
What pattern of inheritance do we see in skin color?
Answers
Explain why a cell is matter (do not search this up please, write from your own words)
Answers
Answer:
Explanation:
A cell is matter because evrything in the universe is made up of matter with cells bing included in evreything in the universe
What is the sequence composition of telomeres?5'-GATCTATTTATTT-3'13-18 of consecutive adenosine nucleotidesthe repeated sequence 5'-TTAGGG-3' or a variant thereof5'-TTATCCACA-3'3'-TTATCCACA-5'the repeated sequence 5'-TAAAGG-3' or a variant thereof
Answers
The sequence composition of telomeres is b. the repeated sequence 5'-TTAGGG-3' or a variant thereof.
A telomere is a tail-like structure that caps the ends of each DNA strand. The DNA that creates a chromosome is coiled and organized into nucleosomes. Each nucleosome is composed of histones that are tightly wrapped around the DNA. These ends of the chromosomes are called telomeres, and they do not contain any coding information. Telomeres shorten with age and when DNA replicates.
Telomeres are composed of the same DNA bases that make up the rest of the DNA sequence, but they are made up of a repeating pattern of bases .The sequence composition of telomeres is the repeated sequence 5'-TTAGGG-3' or a variant thereof. Other variants of telomere include 5'-TTATCCACA-3' and 5'-TAAAGG-3'. Some repeated sequences of telomeres may have variation in the order of nucleotides. The repeated sequence is an essential factor in chromosome replication and maintenance.
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Pls state the jst the answers
Answers
Protein synthesis is the process of making proteins in two stages: transcription and translation.
What is protein synthesis and why is it important?The method by which proteins are created in biological organisms is known as protein synthesis. All of a cell's vital processes, including movement, structural support, chemical reactions, cell communication, and defense against pathogenic microbes and viruses, are carried out by proteins. Amino acids make up the molecules of every protein.
First, transcription uses initiation, elongation, and termination to move genetic material from DNA to mRNA. The freshly formed string of mRNA then exits the nucleus and joins a ribosome in the cytoplasm. This is the starting point of translation.
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Where would you expect to find a high concentration of Merkel discs and other tactile corpuscles? Why?
Answers
Merkel discs and other tactile corpuscles can be found in a high concentration in the skin areas that are very sensitive to touch, such as the fingertips, lips, and tongue.
This is because these corpuscles are the primary sensory receptors that are responsible for transmitting tactile sensations to the brain in response to touch, pressure, and vibrations. The presence of Merkel discs and other tactile corpuscles in these areas of the skin ensures that humans can experience highly sensitive touch sensations that are critical for a variety of functions such as the sense of touch and grip.
They are important for our daily functioning, as we depend on these for feeling different textures and shapes. They are highly concentrated in the fingers, lips, and tongue because these are the areas where we come into contact with the environment most often, and we need them to be highly sensitive to detect even subtle changes.
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Does grain size determine the porosity of a sediment type?
Answers
Answer:
Yes
Explanation:
In sediments or sedimentary rocks the porosity depends on grain size, the shapes of the grains, and the degree of sorting, and the degree of cementation. Well-rounded coarse-grained sediments usually have higher porosity than fine-grained sediments, because the grains do not fit together well
Which choice is an example of a vestigial structure?
a. Liver in humans
b. Heart in fish
c. Legs in turtles
d. Pelvic bone in whales
Answers
Answer:
a
Explanation:
youre welcome
A flower made up of one carpel is referred to as
A: Apocarpous
B: monocarpous
C: monogamous
D: pericarpous
E: syncarpous
Answers
Answer:the answer is d
Explanation:
Which methods of transport across the cell surface membrane would be inhibited by antimycin? 1 active transport. 2 facilitated diffusion. 3 endocytosis
Answers
Antimycin inhibits the process of active transport across the cell surface membrane. The correct answer is 1.
Active transport is a method of transporting substances across the cell surface membrane against their concentration gradient, meaning that they are moved from an area of lower concentration to an area of higher concentration.
This process requires energy in the form of ATP, which is produced by the electron transport chain in the mitochondria. Antimycin is a chemical that inhibits the electron transport chain, preventing the production of ATP and therefore inhibiting active transport across the cell surface membrane.
Facilitated diffusion and endocytosis, on the other hand, are not affected by antimycin. Facilitated diffusion is a passive process that does not require energy, and endocytosis is a process that involves the formation of vesicles, which is not directly dependent on the electron transport chain.
Therefore, the correct answer is 1. Active transport.
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"Overall, how well do you believe the Bearington plant case and Theory of Constraints (TOC) in general align with the habits of highly effective people? (Describe and support your
conclusion).
Answers
The Bearington plant case and the Theory of Constraints (TOC) align well with the habits of highly effective people.
Firstly, TOC emphasizes the habit of prioritizing and focusing on the most critical aspects of a system or process. In the Bearington plant case, the TOC approach identified the bottleneck operation and focused efforts on improving its efficiency. This aligns with the habit of highly effective people who prioritize their tasks based on their importance and impact.
Secondly, TOC encourages continuous improvement and problem-solving. The case study demonstrates this through the implementation of various improvement initiatives to address the bottleneck and optimize the entire system's performance. This aligns with the habit of highly effective people who constantly seek ways to enhance their processes and overcome obstacles.
Furthermore, TOC promotes a systems-thinking mindset, which is also essential for highly effective individuals. It encourages considering the entire system rather than optimizing individual components in isolation. In the Bearington plant case, the TOC approach aimed to improve the overall throughput of the plant, taking into account the interdependencies between different operations. This aligns with the habit of highly effective people who understand the interconnectedness of various factors and make decisions that consider the bigger picture.
In conclusion, the Bearington plant case and TOC align well with the habits of highly effective people. The focus on prioritization, continuous improvement, and systems thinking reflects the principles that highly effective individuals adopt in their personal and professional lives.
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