Sensations of blood pressure, pH, oxygen content, lung inflation, osmolarity, temperature, distention of the GI tract, and blood glucose are visceral senses.
Visceral senses are sensations that are perceived from internal organs such as the heart, lungs, stomach, and intestines. These sensations are not consciously perceived and are often referred to as "gut feelings". The visceral senses are important for maintaining homeostasis within the body and regulating physiological processes. For example, the sensation of blood pressure helps regulate blood flow and oxygen delivery to the body's tissues. The sensation of distention of the GI tract helps regulate digestion and elimination. The sensation of blood glucose helps regulate insulin release and glucose uptake by cells. These visceral senses are monitored by specialized nerve fibers called visceral afferents that transmit information to the central nervous system for processing and regulation. These internal sensory signals help to maintain homeostasis and monitor the body's internal environment.
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Which scientist(s) figured out that the shape of a DNA molecule is a double helix?
a. Hershey and Chase
b. Griffith
c. Watson and Crick
d. Franklin
Answer:
thanks
Explanation:
c
bacteria doubles every ___________ minutes when it is in the temperature danger zone
The bacteria doubles every 20 minutes when it is in the temperature danger zone. The temperature danger zone is the temperature range in which microorganisms flourish quickly, and it is between 40°F and 140°F (4°C and 60°C).
Bacterial growth is the process of bacteria cells dividing and multiplying over time, resulting in the formation of a colony of bacteria.
Bacterial growth is influenced by temperature, with growth rates increasing as temperatures rise. In general, between 40°F and 140°F (4°C and 60°C), the bacteria will grow much more quickly at warmer temperatures, hence the term "temperature danger zone." It is critical to maintain food out of the temperature danger zone to prevent bacteria from developing and contaminating the food.
Therefore, the answer is the bacteria doubles every 20 minutes when it is in the temperature danger zone.
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The EPA sets national air-quality standards for common air pollutants. The
data table shows the change in concentrations of these pollutants over time.
Emissions Reductions and Air Quality
Data period
Reduction
Pollutant
Improvement
(from/to)
in emissions (%) in air quality (%)
СО
69
85
Pb
99
98
1980 - 2014 NO,
55
60
0,
53
33
81
80
16
30
2000 - 2014
33
36
SO2
PM,
PM25
Which conclusion do the data support?
The data support the conclusion that reducing emissions leads to improvement in air quality for the common air pollutants monitored by the EPA.
What is EPA?The Environmental Protection Agency (EPA) is a federal agency of the United States government that was established in 1970 to protect human health and the environment. The EPA's mission is to ensure that all Americans have clean air to breathe, clean water to drink, and safe land to live and work on. The agency is responsible for setting and enforcing national standards for air and water quality, as well as for managing toxic waste and other pollutants.
The EPA also works with other federal agencies, states, tribes, and local governments to address environmental challenges, such as climate change, ozone depletion, and exposure to hazardous substances. The EPA uses a range of tools and programs, including research and development, regulation, partnerships, and education and outreach, to achieve its mission. The agency also provides information and technical assistance to help individuals, communities, and businesses protect the environment and public health.
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Answer:
B . With monitoring, the concentration of every pollutant has decreased
Explanation:
I really need you to answer this.
Answer
A
Explanation:
Some animals don't eat a specific pray, and other hunt more than one specie, which means that they are all food for other organisms that are stronger than them.
If you investigated somatic cells from a baby elephant (2n=56), you would find a total of _____ chromatids in a cell at the end of _____ phase of the cell cycle in mitosis.
28; G1
56; S
112; G2
14; M
More than one option is correct
If you investigated somatic cells from a baby elephant (2n=56), you would find a total of 112 chromatids in a cell at the end of S phase of the cell cycle in mitosis.
In the cell cycle, DNA replication occurs during the S (synthesis) phase. During DNA replication, each chromosome duplicates, resulting in two sister chromatids held together by a centromere. In a somatic cell from a baby elephant with a diploid number of 56 (2n=56), there are 56 chromosomes. At the end of S phase, each chromosome has replicated, and therefore, each replicated chromosome consists of two sister chromatids. Since there are 56 replicated chromosomes in the cell, the total number of chromatids would be 2 times 56, which is 112. The other options (28, 156, 14, and more than one option is correct) are incorrect because they do not represent the total number of chromatids at the end of S phase in mitosis in a somatic cell from a baby elephant with a diploid number of 56.
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IST-2.C Explain how the binding of transcription factors to promoter regions affects gene expression and/or the phenotype of the organism.
Transcription factors are proteins that bind to specific sequences of DNA in promoter regions of genes, which are located upstream of the transcription start site. This binding can affect gene expression and the phenotype of the organism in several ways.
First, the binding of transcription factors to promoter regions can directly activate or repress the transcription of a gene. Activator transcription factors bind to enhancer regions to increase the rate of transcription, while repressor transcription factors bind to silencer regions to decrease the rate of transcription. This can result in increased or decreased expression of the gene, respectively.
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Question 4 of 10
Which of these events could be a result of an error made during
transcription?
A. The next generation of the organism inherits the error
B. The mRNA produced has a different base sequence
C. A carbohydrate is produced instead of a protein
D. The gene used to produce the mRNA is altered
Answer:
B. The mRNA produced has a different base sequence
Explanation:
Transcription is the process in which mRNA is transcribed from DNA, which is then translated into a protein.
An error made during transcription does not alter the sequence of the DNA. Therefore, the gene itself is not altered and the error is not passed on to the next generation.
Carbohydrates are never produced by transcription and translation, which produce polypeptide chains which from mature proteins.
a woman has a family history of breast cancer. she has her brca1 and brca2 genes tested, and no detrimental mutations are found. she is so relieved to know that she will not develop breast cancer. is she correct that she will not develop breast cancer?
No, she is not correct that she will not develop breast cancer.
She is inaccurate in announcing that she can be able to now no longer get breast most cancers with 100% certainty. Although, on the grounds that her BRCA1 and BRCA2 alleles have been located to haven't any mutations signalling breast cancers, which means that there is probably a totally small risk that she ought to nevertheless broaden breast most cancers.
Even though it's far relatively not going that she can be able to broaden breast cancers, there may be nevertheless a totally small risk that it is able to occur.
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La fórmula química H2O, corresponde a la sustancia química; llamada…
agua
abcdefghijklmn opqrstuv
Label the producers, primary consumers, and secondary consumers in this ecosystem.
Answer:
The producers would be the plants, or any organisms that earn energy directly from the sun. The primary consumers get their energy from eating producers. The secondary consumers get their energy by eating the primary consumers.
Explanation:
Answer:
Producers: The organism that produces a product.
Primary consumers: The first organism that gets the product.
Secondary consumers: The second organism that gets the product.
Analyze the two cladograms. Which is the BEST description of these two cladograms?
a
Right cladogram has a different common ancestor for A and B
b
The cladograms show identical relationships, there is no difference between the two cladograms
c
Left cladogram has a different common ancestor for A, B and C.
d
The cladograms show different relationships
Explanation : I think it is B because a cladogram shows how species are related AND also shows the evolution between them.
How did Alexander Fleming's research solve a societal problem?
• He developed ways to treat inherited diseases.
• He advocated for
regular hand washing to kill germs.
• He discovered a new
type of medicine that could treat infections.
• He discovered the cause of mad cow disease,
an emerging disease.
He discovered a new type of medicine that could treat infections.
He discovered the 1st antibiotic (penicillin).
Sarah learned that the steps of transcription and translation are similar to baking a cake from a recipe. The cell's genome is like a cookbook, with step-by-step directions. The mRNA copy is like writing down a copy of the instructions to give to someone else. What would the amino acids be most similar to?
The amino acids would be most similar to the ingredients used in the recipe.
When the mRNA moves out of the nucleus, it then gives the instructions (the genetic sequence) to someone else, which is tRNA. During translation, the tRNA and mRNA complex reads the genetic sequence and then binds required amino acids, sequentially. Thus, the combined amino acid chain forms the desired protein.
Therefore, the amino acids are the ingredients and the protein is the final dish.
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a) Name the type of cell division that produces cell D from cell B.
(ii) Which organ in the male body produces cell C from cell A?
Answer:
It would be Meiosis, since diploid cells gets cut which turns into haploid cells. Even though sperm and egg production is differ. They still follow the same process. -maclittleseed
Explanation:
The type of cell division is Meiosis and the male gamete produces cell C from cell A.
What are the different stages of meiosis ?The meiosis is a type of cell division which is up two types such as Meiosis I and Meiosis II, subdivided into sub phases. In prophase I disintegration in nuclear envelope, chromosomes condensed and Spindle fibres formation occur.
In Prometaphase II, Spindle fibres bind at the centromere to the chromosome where as in Metaphase I, homologous chromosomes align at the equatorial plate.
Anaphase I in which chromosomes passes towards the opposite poles and In Telophase I, Spindle fibres disappear, reformation of Nuclear envelope occur followed by Cytokinesis.
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A substance is moved ______ its concentration gradient using the energy of ______ .
A substance is moved against its concentration gradient using the energy of an electrochemical gradient.
The cell must employ energy to transfer substances against a concentration or electrochemical gradient. This energy is derived from adenosine triphosphate (ATP), which is produced during the cell's metabolism.
Pumps are active transport systems that function against electrochemical gradients. Small particles are continually passing across plasma membranes. In the face of these passive motions, active transport maintains ion and other chemical concentrations required by live cells.
These processes may use a large portion of a cell's metabolic energy supply. For example, the majority of a red blood cell's metabolic energy is utilized to maintain the cell's essential balance of external and internal sodium and potassium levels.
Because active transport systems rely on a cell's metabolism for energy, they are vulnerable to various metabolic toxins that disrupt ATP supply.
There are two ways for transporting tiny molecules and materials with low molecular weight. Primary active transport transports ions across a membrane and generates a charge differential across the membrane, which is directly dependent on ATP.
Secondary active transport is the movement of material caused by the electrochemical gradient generated by primary active transport and does not require ATP directly.
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Whale primary functions
The primary functions of whales include feeding, reproduction, communication, and migration.
Whales are primarily filter feeders or predators, depending on the species.
Filter-feeding whales, such as baleen whales, have baleen plates in their mouths that allow them to filter out small prey, such as krill or small fish, from large volumes of water.
Predatory whales, such as toothed whales, hunt and feed on various marine organisms, including fish, squid, and marine mammals.
Reproduction is another important function for whales. Most whale species have a gestation period of several months, with females giving birth to a single calf.
The calves are nursed with milk from their mothers and rely on their care for a period of time until they become independent.
Communication is vital for whales, as they rely on vocalizations to communicate with other members of their pod.
Whales produce a variety of sounds, including songs, clicks, and whistles, which serve purposes such as mating, social interactions, and navigation.
Migration is a common behavior observed in many whale species. Whales undertake long-distance migrations, often covering thousands of kilometers, to reach feeding grounds in nutrient-rich waters or to reproduce in specific breeding areas.
These migrations are driven by seasonal changes in food availability and environmental conditions.
In summary, the primary functions of whales encompass feeding, reproduction, communication, and migration, all of which are essential for their survival and successful adaptation to their marine environments.
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True or Fale: In diffuion, particle move from an area of low concentration to an area of high concentration
"Particles migrate in diffuion from a low-concentration area to a high-concentration area."
The statement is false.
Diffusion is the movement of a substance's individual molecules over a semipermeable barrier from an area of higher concentration to an area of lower concentration.
Diffusion is the total net transfer of a substance from one concentration to another. Diffusion is fueled by a gradient in the chemical potential or Gibbs free energy.
The movement of materials into and out of cells is facilitated by diffusion. The molecules move from an area of higher concentration to an area of lower concentration until the concentration is the same everywhere.
Due to the possibility of random molecule movement, diffusion happens in gases and liquids.
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what is mineral ?what are its type
Answer:
In geology and mineralogy, a mineral or mineral species is, broadly speaking, a solid chemical compound with a fairly well-defined chemical composition and a specific crystal structure that occurs naturally in pure form
Explanation:
Silicate Minerals. The first classification of minerals is silicate minerals.
Native Element Minerals. Native elements refer to minerals that only contain the atoms of one type of element.
Carbonate Minerals.
Halide Minerals.
Oxide Minerals.
Mineral nutrients for the human body include: iron, calcium, copper, sulfur, phosphorus, magnesium and many others. An archaic use of the word "mineral" comes from the Linnaean taxonomy in which all things can be assigned to the animal, vegetable, and mineral kingdoms.
What will be the resulting offspring if a homozygous tall pea plant and homozygous short pea plant are crossed?
If a homozygous tall pea plant (TT) and a homozygous short pea plant (tt) are crossed, the resulting offspring will be all heterozygous (Tt) for the trait of plant height.
Each parent will contribute one allele for the trait of plant height to each offspring, and the alleles that code for tall and short plant height are dominant and recessive, respectively.
The cross can be represented using a Punnett square, which is a tool that shows the possible combinations of alleles that can result from a genetic cross. The Punnett square for the cross between a homozygous tall pea plant and a homozygous short pea plant would look like the attached picture.
Hence, all the offspring will be Tt and will exhibit the dominant trait (tall plant height) but carry the recessive allele (short plant height) and will be known as heterozygous dominant.
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nonfunctional and typically untranslated segments of DNA that arise from previously functional genes and are often particularly informative about evolutionary history as they are derived from known homologous genes and sugject to neutral genes.
Nonfunctional and typically untranslated segments of DNA, known as pseudogenes, arise from previously functional genes. These pseudogenes are often particularly informative about evolutionary history because they are derived from known homologous genes and subject to neutral evolution.
What are pseudogenes?
Pseudogenes are nonfunctional genes that arise from previously functional genes and are often particularly informative about evolutionary history as they are derived from known homologous genes and subject to neutral mutations. Pseudogenes are DNA segments that resemble functional genes but are nonfunctional due to mutations or genomic rearrangements. Pseudogenes are defined as homologous genes that are no longer functional and are often not translated into proteins. They are thought to result from mutations or other genetic rearrangements that occur in the DNA sequence of functional genes over time.
Role of pseudogenes:
Pseudogenes help study evolutionary history since they arise from known homologous genes and are subject to neutral mutations. Neutral mutations do not significantly affect the survival or reproduction of the organism, so they accumulate over time and can be used to track the evolutionary history of an organism or group of organisms. Therefore, pseudogenes are often used as markers for evolutionary studies.
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Plzzzz hellp! Due soon
Answer:
AA-Dom, homogonous
TT-Dom, Homogonous
gg-recessive, homogonous
ss-recessive, homogonous
Ff-dom ,heterozygeoous
Ll- Dom, heterozygeoous
Pp- Dom, heterozygeoous
Explanation:
Homogonous pairs same genes (are the same ) , domminants are in capital letters and recessive are lowercase
heterozygeoous are mixtures a recessive and dominatn gene (capital and lowercase )
HELP ASAP!!!
Please help me answer these questions!!
Hello again :)
8. Microevolution
9. Net movement of alleles from one population to another.
22. Highlight the correct answer of each underlined pair. UV radiation has shorter longer
wavelengths and
lower/higher energy than visible light and infrared radiation.
Answer:
shorter and higher
Explanation:
UV is further along in the EM spectrum so has a higher frequency and shorter wavelengths than visible light.
Which of the following organs or structures would be found in the left iliac region?
A) stomach
B) liver
C) intestines
D) appendix
A small part of the small and large intestine is present in the left region of the ilium.
The iliac arteries supply blood to the pelvis, legs, sexual system, and other pelvic-regional organs. The pelvis is the lowest part of our torso, just above the hips where our legs connect.
At the level of the fifth lumbar vertebra, the common iliac vein—which is formed by the confluence of the internal and external iliac veins—forms in the abdomen. The split creates two branches. The internal iliac vein carries blood away from the visceral organs in the pelvic region. The femoral veins are joined to the external iliac.
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what is the difference between the way animals are motile and the way that bacteria and protists are motile
Answer:
Protists are an incredibly diverse set of eukaryotes of various sizes, cell structures, metabolisms, and methods of motility.
Explanation:
WARNING: refrase in your own words
Which organic molecule serves as the main source (fastest source) of
energy for cells?
Answer:
The main source of energy for cells would be carbohydrates.
Explanation:
you need to examine the internal anatomy of both lungs at the same time but can make only one cut. which plane or planes of the section would allow you to do this? select all that apply.
Option 3 is Correct. You can only make one cut, but you must simultaneously study the internal architecture of both lungs. You might do this by using the section's coronal plane or planes.
Sections with a piece of the heart and a piece of each lung would result from the coronal and transverse (axial) planes. The frontal plane is the boundary between the anterior (front) and posterior (rear) halves of a body or an organ.
A coronal plane is another name for the frontal plane. The left lung is smaller than the right because of the heart's inclination to the left, and it bears an impression known as the cardiac impression to make room for the organ. The inferior and anterior sections are shaped by this depression.
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Correct Question:
You need to examine the internal anatomy of both lungs at the same time but can make only one cut. Which plane or planes of the section would allow you to do this?
Select all that apply.
1. transverse
2. oblique
3. coronal
4. midsagittal
What hormone controls the change in life stage during metamorphosis?
a. Ecdysteroids
b. Juvenile hormone
c. Prothoracicotropic
d. Hormone Exogenous TH
Question 4 1 pts THe hardening of the new cuticle is called?
The hormone that controls the change in life stage during metamorphosis is ecdysteroids.
Ecdysteroids, specifically the molting hormone known as ecdysone, play a crucial role in regulating metamorphosis in insects and other arthropods. Metamorphosis is a process by which an organism undergoes a dramatic transformation in its body structure and physiology as it progresses through different life stages, such as from larva to pupa to adult.
During metamorphosis, the levels of ecdysone rise, triggering the molting process and initiating the transition between life stages. The ecdysteroids act as signaling molecules that bind to specific receptors in target tissues, leading to various developmental changes. They regulate the timing and coordination of cell growth, tissue differentiation, and the reorganization of body structures during metamorphosis.
While other hormones, such as juvenile hormone, also play important roles in insect development, ecdysteroids are primarily responsible for driving the major changes associated with metamorphosis. Their precise control and timing ensure the successful transition from one life stage to another, ultimately allowing insects to undergo remarkable transformations as they progress through their life cycle.
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Meaning of sterigmata
Answer:
One of the slender stalks at the top of the basidium of some fungi from the tips of which the basidiospored are formed
What are the consequences and causes of Space junk that affect the Earth's environment?
Answer:
The main threat to our weather from space junk is rather indirect: the density of the junk may become so great that it could hinder our ability to use weather satellites, and hence to monitor weather changes caused by our own ground-based pollution.
Explanation:
Answer:
The main threat to our weather from space junk is rather indirect: the density of the junk may become so great that it could hinder our ability to use weather satellites, and hence to monitor weather changes caused by our own ground-based pollution.
Explanation:
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