Review Email i and then write an email to Tess identifying the first messenger that starts the signal transduction in the smooth muscle cell, the likely second messenger, and finally the cellular response caused by the cell signaling cascade. Explain why the arrows go from small to bigger. Also identify whether the receptor that starts the cell signaling pathway is in the plasma membrane or intracellular. Review Email 2 and then answer the following questions: 1. Melody said that ginseng enhances erection. What effect would you expect ginseng to have on nitric oxide? Why? 2. Knowing that Melody said Viagra also enhances erection, what effect would you expect it to have on PDE5? Why? 3. If neither chemical works what protein(s) would you suspect is "broken"?
Answers
Increased nitric oxide synthesis may play a role in ginseng's aphrodisiac and ginseng-associated vasodilatation. As signal transduction is amplified at each step, arrows go from small to bigger.
Ginseng's antioxidant and organ-protective properties are linked to increased nitric oxide (NO) synthesis in the corpus cavernosum, heart, and lung endothelium. As a result, Ginseng's aphrodisiac properties and ginseng-associated vasodilatation may be influenced by an increase in nitric oxide production.
Erectile brokenness (ED) is the persevering failure to accomplish or keep an erection adequate for agreeable sexual execution. PDE5 inhibitors are now the first line of ED treatment. The pharmacokinetic properties of PDE5 inhibitors in terms of absorption, distribution, metabolism, and excretion have been investigated.
Sildenafil is a powerful and particular inhibitor of cGMP explicit phosphodiesterase type 5 (PDE5) in the corpus cavernosum, where PDE5 is liable for the debasement of cGMP.
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Related Questions
Which of these is an example of point-source pollution?
A. Air pollution from all the airplanes at an airport
B. Wastewater from a suburban development
C. Air pollution from the smokestack of a factory
D. Wastewater from a metropolitan area
Answers
Hope this helps
Answer: C) Air pollution from the smokestack of a factory.
Explanation:
what is cross polination
Answers
Answer:
Cross-pollination is the transfer of pollen from the anther of one flower to the stigma of another flower on a different individual of the same species.
Some drug can pass through the skin,why topical drug pass through the skin layer??
Answers
Answer:
Due to small size.
Explanation:
The topical drug pass through the skin layer because of the ability to pass through the epidermis of the skin. The size of particles of these topical drug are very small which can easily pass through the skin layer and added into the blood stream where they perform its function inside the body on the targeted region. If the size of these topical drugs are large so it can not enter inside the skin so that 's why we can say that small size is responsible for entering of topical drug.
How do animals and people get glucose?
Answers
Answer:
Animals obtain glucose by eating plants, and fungi and bacteria absorb glucose as they break down the tissues of plants and animals.
And for humans it mainly comes from foods rich in carbohydrates, like bread, potatoes, and fruit. As you eat, food travels down your oesophagus to your stomach. There, acids and enzymes break it down into tiny pieces. During that process, glucose is released.
Explanation:
Explanation:
Los animales no necesitan la fotosíntesis ya que obtiene su GLUCOSA de los alimentos que consumen esa es mi respuesta no se si sera correctaWhich of the following had the lowest social hierarchy in Japanese culture during this time period?
A. Merchants
B. Peasants
C. Samurai
D. Emperor
Answers
Answer: The correct answer is B. Peasants
three major functions of leaf.
Answers
Answer:
Photosynthesis.
Transpiration.
Photosynthesis.
Explanation:
1
Select all the correct answers.
Which questions would help determine whether an article is scientifically accurate?
Is the author stating an opinion or a fact?
Does the author have a balanced diet?
O O OOO
Does the author have evidence for the given facts?
How many articles has the author written before?
Does the author like music?
Reset
Next
Answers
Answer:
The answers are: does author have evidence 4 given facts..
This is the most important question..Evidence from universities, , .org websites are evidenced with fact scientifically, cited evidence from encyclopedias, dictionaries & doctors.
Answer:
A and C
I hope this helps
A nucleotide is composed of
Answers
Answer:
Nucleotides are composed of three subunit molecules: a nucleobase, a five-carbon sugar (ribose or deoxyribose), and a phosphate group consisting of one to three phosphates.
(Source: https://en.wikipedia.org/wiki/Nucleotide)
There have been a number of studies indicating that schizophrenia is a complex genetic disorder. Which of the following observations are most consistent with this hypothesis?
1. Siblings of individuals with schizophrenia have an elevated risk of developing schizophrenia.
2. In monozygotic twins, if one twin has schizophrenia, it is very rare that the other is affected.
3. Malnutrition in utero and certain infections may increase risk of schizophrenia.
4. Schizophrenia follows an autosomal recessive inheritance pattern.
Answers
Answer:
1. and 4.
Explanation:
1 explains that siblings may have it since they have the same genetics and 4 explains that it is a autosomal recessive trait and follows a pattern genetically.
what are the similarities and differences between carrier proteins and channel proteins
Answers
* Carrier proteins- these are proteins which allow larger or polar molecules through the membrane. They are trans membrane proteins.
Carrier proteins essentially “carry" signals that are not soluble in aqueous solution through the blood stream to their target cells. Carrier proteins for hydrophilic signals prevent degradation of the signal. Channel proteins are embedded in cell membranes. They often are receptors (though not always), and when activated, allow specific ions to pass through the membrane.
A channel protein is a special arrangement of amino acids which embeds in the cell membrane, providing a hydrophilic passageway for water and small, polar ions. Like all transport proteins, each channel protein has a size and shape which excludes all but the most specific molecules
The carrier protein facilitate diffusion of molecules across the cell membrane. The protein is imbedded in the cell membrane and covers the entire membrane. This is important because the carrier must transport the molecule in and out of the cell.
When two large air masses meet, what forms?
Answers
Answer:
Formation of a Weather front.
Explanation:
The formation of a weather front can occur when two huge air masses collide. A weather front is a zone of difference in temperature, humidity, and density between two air masses.
The collision between these air masses leads them to rise and cool, which can lead to the production of clouds and precipitation. The sort of front that forms is determined by the properties of the air masses involved, such as temperature and humidity.
When a colder, denser air mass displaces a warmer air mass, it causes thunderstorms and heavy rain. Warm fronts, on the other hand, occur when a warmer air mass overtakes a cooler air mass, resulting in consistent rainfall over a longer period of time.
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What is the answer
I don’t understand the question what is the answer
Answers
The conclusion that hand sanitizer is most effective in killing bacteria is not valid based on the data provided so C, The conclusion is not valid; there were fewer bacteria cultures on the soap plates.
What concludes the effectiveness of hand sanitizer?The data shows that hand sanitizer had a higher number of bacteria cultures than warm water, but it also had a higher number of bacteria cultures than the soaps. This suggests that hand sanitizer is not necessarily more effective at killing bacteria than soap.
There are a few possible explanations for the higher number of bacteria cultures on the hand sanitizer plates. One possibility is that the hand sanitizer did not kill all of the bacteria on the hands. Another possibility is that the hand sanitizer killed some of the bacteria, but it also created a more favorable environment for the growth of other bacteria.
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if scientists found a fossil in the middle layer that was 2 million years old, would they think Earth was more or less than 2 million years
Answers
If scientists found a fossil in the middle layer that was 2 million years old, they would conclude that Earth is more than 2 million years old based on the presence of older rock layers and fossils in lower layers.
Fossils provide valuable evidence for dating the age of the Earth and its geological history.
The principle of superposition, a fundamental concept in geology, states that in undisturbed rock layers, the oldest rocks are found at the bottom, while the youngest rocks are found at the top.
By finding a 2 million-year-old fossil in the middle layer, scientists can infer that the lower layers, which were formed before the middle layer, are older than 2 million years. Additionally, the presence of upper layers, formed after the middle layer, would suggest that Earth's age exceeds 2 million years.
Scientists use various dating methods, including radiometric dating, to determine the age of rocks and fossils.
These techniques analyze the isotopic decay of certain elements present in the rocks or fossils to estimate their age.
Through these methods, scientists can establish a more accurate timeline of Earth's history, revealing an age far greater than the age of the specific fossil found in the middle layer.
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Why is it important to understand both physics and chemistry when studying living things?
Answers
answer: both aspects , sameness &variety are the result of biological evolution.
Imagine a breed of chickens in which brown feathers are a recessive
trait. If a breeder has a chicken that has solid black feathers, how can the
genotype of this chicken be determined?
Answers
The genotype of the chicken can be determined by representation of the
following:
Dominant traits has to be represented by BRecessive traits has to represented by b
Genotype is referred to as genetic composition of organisms. In this
scenario, the chickens have a heterozygous genotype due to the presence
of dominant and recessive traits.
Therefore the chicken has a genotype of Bb.
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Centimeter is the Si unit of length Statement given below is incorrect write the correct statement.
Answers
Answer:
Centimeter is the SI unit of length. The distance light travels in a year is measured in light-years. The length of a marathon is measured in miles. The mass of the sun is measured in solar masses. The distance across the universe is measured in kilometers. The length of a nanometer is measured in angstrons. The distance across an atom is measured in picometers. The distance across a subatomic particle is measured in attometers. The mass of an electron is measured in kilograms. The number of protons in an atom is measured in avogadros.
Explanation:
Discuss TWO ways how gender inequality in a relationship could make the female partner more
vulnerable and likely to contract HIV
Answers
Gender inequality in a relationship can significantly increase the vulnerability of women to HIV infection. Here are two ways how this can happen:
Unequal power dynamics: In many cultures, women are often considered subordinate to men and are expected to be obedient and submissive in a relationship. This can result in unequal power dynamics where the male partner has more decision-making power and control over the relationship, including decisions about sexual activity. For example, a male partner may refuse to use condoms or may insist on having unprotected sex, even if the female partner wants to use protection. This puts the female partner at a higher risk of contracting HIV, especially if the male partner has other sexual partners.Economic dependence: Women may be economically dependent on their male partners, especially in societies where women have limited access to education and employment opportunities. In such situations, women may be forced to engage in transactional sex, where they exchange sex for money, shelter, or other resources. This increases their risk of HIV infection, especially if they have little control over the sexual encounters and are unable to negotiate condom use or refuse sex.
What do you call the equipment or technology used through to identify the age of this fossil fuels
Answers
Answer:There are three types of fossil fuels which can all be used for energy provision; coal, oil and natural gas. Coal is a solid fossil fuel formed over millions of years by decay of land vegetation. When layers are compacted and heated over time, deposits are turned into coal.
Explanation:
The pictures below show two types of telescopes.
Which of these statements is most likely true about the ability of the telescopes to gather radiations from distant objects in space?
A. Both the telescopes gather the same amount of radiations.
B. Neither of the telescopes gather sufficient amount of radiations.
C. The refracting telescope gathers more radiations than the reflecting telescope.
D. The reflecting telescope gathers more radiations than the refracting telescope.
Answers
The reflecting telescope gathers more radiation than the refracting telescope. Therefore, option (D) is correct.
Reflecting telescopes use mirrors to gather and focus light, allowing for larger apertures and higher light-gathering capabilities compared to refracting telescopes, which use lenses. This design difference typically gives reflecting telescopes an advantage in terms of gathering more radiation from distant objects in space.
However, without specific information about the sizes or specifications of the telescopes in the pictures, this inference is based on the general characteristics of reflecting and refracting telescopes.
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Lesson Question:How can the presence of
one species benefit another in the same
ecosystem?
Check all correct elements below that you
included in your question.
independent variable: presence of one
species (here, worms)
dependent variable: effect on another
species (here, lima bean plants)
relationship: benefit
DONE
Answers
Mutualism is a type of symbiotic relationship where all species involved benefit from their interactions.
How can the presence of one species in the same ecosystem assist another?A mutualism occurs when two species have a long-term relationship that benefits both of them (+/+ interaction). Some fungi, for example, create mutualistic relationships with plant roots. The plant may photosynthesize and gives fixed carbon to the fungus in the form of sugars and other organic compounds.
The presence of several species in an ecosystem balances it. The species in an ecosystem interact with one another in some way. For example, the existence of a plant species will offer food for the numerous herbivores found in an ecosystem. A predator may consume a variety of prey. As a result, the existence of diverse prey reduces the likelihood of a species becoming extinct in the ecosystem. As a result, all creatures in an ecosystem are dependent on one another in some way.
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If a person had not drunk any water for 8 hours before collecting a sample, would you expect his/her urine to have a high or low specific gravity? Why?
Answers
Answer:
The person’s urine will have a high specific gravity
Explanation:
A high specific gravity is characterized by an increased concentration of solutes in the urine of am individual. A low specific gravity is characterized by a low or decreased concentration of the solutes.This is usually due to dehydration as a result of environmental conditions or tedious physical activities.
This explains why a person who had not drank any water for 8 hours and is dehydrated before collecting a sample is thought to have a urine with a high specific gravity
Use your codon chart to determine the amino acid sequence. Remember to read through the strand and ONLY start on AUG and STOP when you reach a stop codon (UGA, UAA, or UAG). Follow the example in the box. Abbreviate the proteins using the first three letters of the amino acid name.
Answers
Methionine (AUG)Amino acids can be abbreviated using the first three letters of their name.
Methionine can be abbreviated as Met.
The given RNA sequence is AUGUAACGAUGCGUCGUGGCAUCAUGCUGCGUCAGCGGCGAGUCUGACCCGUCUCUAACAGGACGGCCGGGCGUUGUCGUUGA.
We can use the codon chart to determine the amino acid sequence.
The codon chart is used to determine which amino acid is coded by a particular codon in a strand of DNA/RNA.A codon is a sequence of three nucleotides in DNA or RNA that encodes for a specific amino acid.
Each codon codes for a different amino acid.
For example, the codon AUG codes for the amino acid methionine.
To determine the amino acid sequence, we start reading the RNA strand from the start codon AUG and continue reading until we reach a stop codon (UGA, UAA, or UAG).
Then we write down the amino acid sequence for the codons we read, using the codon chart.
Here, the sequence starts with AUG, which codes for methionine.
After that, the next codon is UAA which is a stop codon, so we can stop.
The amino acid sequence is therefore Methionine. So, the answer would be Methionine (Met).
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.
Human body trivia – you decide: true or false?
For each one, be prepared to explain your choice:
True or false? You cannot digest food if you are turned
upside-down.
True or false? Most of your food is digested in your
stomach.
I
True or false? The salivary glands in the mouth produce
approximate 1.2 liters of saliva daily.
.
.
Answers
Answer:
#1 false its difficult but also possible. #2 true and #3 False. the Salivary gland in the mouth make 1.5 liters a day
Will give brainliest, a THX, a friend request, and will rate ur answer
Please answer me fast as possible,
THX
Answers
Answer:
The answer is: 3 tennis balls because there will be 4 ping pong balls used for every model and 12/4=3
Explanation:
Answer:
Here ya go!
Explanation:
You would need only 2 tennis ball to complete the model. By splitting each tennis ball in half you will now have 4 parts. I have already glued the 12 ping pong ball together in a circular shape. I would then just glue the parts of the tennis balls on the ping pong mass is reference to the picture shown.
Which of the following represents an in vivo method for cultivating viruses.
a.) HeLa cells
b.) Pure bacterial cell cultures
c.) Embryonated chicken eggs
d.) Lung cell culture
Answers
Embryonated chicken eggs represents an in vivo method for cultivating viruses. (option c)
To cultivate viruses in a living system, an in vivo method is used. Among the options provided, embryonated chicken eggs are the most commonly used method for culturing viruses in a living organism.
HeLa cells: HeLa cells (a) are human cancer cells commonly used in laboratory research, but they are not a living organism suitable for virus cultivation.
Pure bacterial cell cultures: Bacterial cell cultures (b) are often used to study bacteriophages, which are viruses that infect bacteria. However, this method involves culturing viruses in bacterial hosts and does not involve a living organism.
Embryonated chicken eggs: Embryonated chicken eggs (c) are a widely used method for virus cultivation. In this method, viruses are injected into the developing embryo, which provides an environment for viral replication. The embryos provide a controlled and nutrient-rich environment for the viruses to grow and propagate.
Lung cell culture: Lung cell culture (d) involves growing lung cells in a laboratory setting. While this method can be used to study certain viruses, it is an in vitro (outside a living organism) method rather than an in vivo method.
In conclusion, the in vivo method for cultivating viruses among the options provided is embryonated chicken eggs. This method provides a living system in which viruses can replicate and propagate. (option c)
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HELP
Compare and contrast prokaryotes, eukaryotes, and viruses. Be as detailed as possible. Include 2 examples of each type of cell and 2 examples of viruses.
1 or 2 pg
please
Answers
Answer:
Like a prokaryotic cell, a eukaryotic cell has a plasma membrane, cytoplasm, and ribosomes, but a eukaryotic cell is typically larger than a prokaryotic cell, has a true nucleus (meaning its DNA is surrounded by a membrane), and has other membrane-bound organelles that allow for compartmentalization of functions.
Answer:
Microorganisms and all other living organisms are classified as prokaryotes or eukaryotes. Prokaryotes and eukaryotes are distinguished on the basis of their cellular characteristics. For example, prokaryotic cells lack a nucleus and other membrane‐bound structures known as organelles, while eukaryotic cells have both a nucleus and organelles. Prokaryotic and eukaryotic cells are similar in several ways. Both types of cells are enclosed by cell membranes (plasma membranes), and both use DNA for their genetic information.
Prokaryotes include several kinds of microorganisms, such as bacteria and cyanobacteria. Eukaryotes include such microorganisms as fungi, protozoa, and simple algae. Viruses are considered neither prokaryotes nor eukaryotes because they lack the characteristics of living things, except the ability to replicate (which they accomplish only in living cells). Viruses - Corona virus, HIV.
Which kind of organism obtains energy directly from the sun?
A. decomposers
B. omnivores
C. herbivores
D. producers
Answers
Answer: D producer
Explanation: The answer has to do with trophic levels. As you probably know, the organisms at the base of the food chain are photosynthetic; plants on land and phytoplankton (algae) in the oceans. These organisms are called the producers, and they get their energy directly from sunlight and inorganic nutrients.
Answer:
Producers
Explanation:
The first trophic level in a food chain consists of producers. As the name says, they are able to take in sunlight and convert it into chemical energy. Hence can use the energy directly from the sun due to special pigments on their body. Examples: Green plants.
The female reproductive cell is the egg. Where do you think the eggs come from? Predict
what their journey might be like once ovulation has occurred. Tell about the journey of the egg
and the parts of the female reproductive system that they encounter along the way.
Answers
Answer: Eggs form in the ovaries of a female while developing in the womb. Once Ovulation occurs, the egg releases from the ovary and goes down the fallopian tube into the uterus where it waits for sperm to come and fertilize it. If the egg is not fertilized, the uterus will shed with the egg which results in a period.
Explanation:
if you want to determine an absolute date for this rock. which dating method would you use
Answers
Answer:
Radiometric dating.
This involves identifying the isotopes of Uranium 238's half lives.
Hope that helps
hellppppp please will give brainliest
Answers
Answer: biodiversity
Explanation: it makes sense as the best answer from all the choices, could be wrong tho lol