The two areas of the glans that are most sensitive to stimulation are the frenulum and the corona.
What are glans?The glans are the sensitive tip of the human p*nis. It is located at the end of the p*nis and is covered by a foreskin in an uncircumcised male. The urethral opening, also known as the meatus, is located in the middle of the glans p*nis. It is a sensory area that is highly sensitive to stimulation.
The frenulum is a fold of skin on the underside of the p*nis that links the glans to the shaft's foreskin. The frenulum's sensitivity varies widely from person to person. For some, the frenulum is the most sensitive portion of the p*nis. It's an area that's particularly sensitive to light touches and can be very enjoyable to touch.
The corona is a band of raised skin at the base of the p*nis head, encircling it. It's the ring of the penile head where the shaft skin ends and the glans start. The corona is the most sensitive portion of the p*nis's glans. When stimulated, it can be very pleasurable for men.
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The two areas of the glans that are most sensitive to stimulation are the frenulum and the corona. These two areas are the most erogenous zones in the male body.
Frenulum is the thin strip of skin that connects the foreskin to the shaft of It is located underneath the glans of When stimulated, the frenulum can cause an intense sensation of pleasure. Corona, on the other hand, is the rim or the edge of the glans. This part of the contains more nerve endings than any other part of the body. Stimulating the corona can cause a feeling of euphoria, and it can lead to an orgasm. During sexual intercourse, stimulation of the corona can help enhance sexual pleasure.
Therefore, the frenulum and the corona are the two most sensitive areas of the glans that respond to sexual stimulation.
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60 minutes remaining
Question 13 The most abundant photoreceptors that detect dim light are Cones.
A True
B False
Question 14 Muscular tissue that adjusts the shape of the pupil to regulate how much light enters the eye is IRIS.
A True
B False Question
15 Opsins are visual pigments derived from Vitamin D.
A True
B False
Answer:
Question 13:
B. False
The most abundant photoreceptors that detect dim light are Rods, not Cones. Rods are highly sensitive to low light conditions and are responsible for vision in dim light and peripheral vision. Cones, on the other hand, are responsible for color vision and high visual acuity but are less sensitive to low light conditions.
Question 14:
A. True
The iris is the muscular tissue in the eye that adjusts the size of the pupil, controlling the amount of light entering the eye. It contracts or expands to regulate the size of the pupil in response to changing light conditions.
Question 15:
B. False
Opsins are visual pigments found in photoreceptor cells, specifically in the retina of the eye. They are responsible for capturing light and initiating the process of vision. Opsins are not derived from Vitamin D. Vitamin D is a separate compound involved in various physiological processes in the body, including calcium absorption and bone health.
Explanation:
why is biology so hard? i am even taking it online
Answer:
Personally it's because there is so m8ch more you have to take in that be very confusing, being that you unfamiliar with the information. ♀️
A species of worm is active at night, and comes to the top of the soil only when it is dark outside. In the daytime, the members of the species stay burrowed several inches beneath the soil. Which of these explanations BEST describes how this nocturnal behavior evolved in the species of worm?A)The worms have a predator with keen night vision.B)The worms have a predator that is active during the day.C)The worms rely on solar energy to increase their body temperature.D)The worms have increased mating opportunities at the surface that require visual cues.
We noticed that the exercise provides us with the following information:
• The animal is ,active at night, and only goes to the surface at night;
,• He stays during the day underground.
Analyzing the alternatives, we can say that:
• A) is incorrect. The animal goes to the top of the ground at night and this allows us to say that this time is "safe" for it. Therefore, your ,predator ,must be active during the day.
,• B) is correct. As mentioned in alternative "A", the predator is active during the day.
• C) is incorrect, as it remains buried during the day, so animals do not depend on solar energy.
• D) is incorrect, he increased his mating opportunities at night times.
Answer: B.
Which tatement BEST decribe the relationhip between adenoine diphophate (ADP and adenoine triphophate (ATP)?
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A. With an input of energy, ADP rearrange to become ATP. B. Without any energy change, ADP rearrange to become ATP. • C. With an input of energy, ADP combine with a phophate group to become ATP. O D. With a releae of energy, ADP combine with a phophate group to become ATP
The link between adenosine diphosphate (ADP) and adenosine triphosphate (ATP) is best explained by the fact that when energy is added, ADP interacts with a phosphate group to form ATP. The right Option is (c).
The mitochondria of cells are thought of as the powerhouse since ATP is produced there. As seen in the reaction below, ATP is produced when ADP reacts with an inorganic phosphate and an energy source to generate ADP;
Pi + energy + ATP + H2O = ADP + inorganic phosphate
One adenine, one sugar, and two phosphates make up the biological molecule known as adenosine diphosphate (ADP). Its most crucial function is the creation of ATP, the most vital energy molecule in living cells, when it is coupled with a phosphate molecule. An enzyme called ATP synthase produces ATP during oxidative phosphorylation. Specifically, protons travel through the protein and cause a conformational change once a proton gradient is established. ADP and inorganic phosphate are then combined by ATP synthase to form an ATP molecule.
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Correct Question:
Which statement BEST describes the relationship between adenosine diphosphate (ADP) and adenosine triphosphate (ATP)?
A. With an input of energy, ADP rearranges to become ATP.
B. Without any energy change, ADP rearranges to become ATP.
C. With an input of energy, ADP combines with a phosphate group to become ATP.
D. With a release of energy, ADP combines with a phosphate group to become ATP.
y do we have school ?
Answer:
to learn more activities and have a better work
MARK ME AS A BRAINLIEST PLEASEWhich structure is found only in plant cells and functions in the process of photosynthesis?
W
X
Y
Z
Answer:
it is X
Explanation:
i gust did the test
The lin-12 gene that controls a variety of cell-fate developmental decisions in C. elegans, codes for A. transmembrane receptor protein. B. morphogen. C. homeobox transcription factor. D. secreted ligand protein. E. cytoplasmic protein.
The lin-12 gene codes for a homeobox transcription factor, which is a type of protein that binds to DNA and helps regulate the expression of other genes.
Homeobox transcription factors are important in controlling a variety of cell-fate developmental decisions in C. elegans. Specifically, the lin-12 gene is involved in the regulation of the vulval cell fate specification pathway, which determines which cells will form the vulva during development. In this pathway, the lin-12 gene helps inhibit the expression of certain genes, which then helps guide the cells to form the vulva.
In addition, the lin-12 gene is also involved in the regulation of the sex myoblast determination pathway, which helps determine the fate of cells that become muscle cells. The lin-12 gene helps regulate the expression of certain proteins that are involved in this pathway, which helps guide cells to form muscle cells. Thus, the lin-12 gene is an important regulator in the development of C. elegans, controlling a variety of cell-fate decisions.
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what is the immutability of species? how does it relate to evolution?
Answer: As mentioned by option the immutability of species is an idea that each species of the organism does not and cannot change. They all came into being (i.e., created) as what they are now. This idea was disproven by Charles Darwin's theory of evolution (options B, C, and D are all ideas within the theory of evolution).
Explanation: The species are an organism that is immutability.
what does the specific defense of the immune system use to fight pathogens.
A. Red blood cells
B. Vaccines
C. Lymphocytes
D. Plasma
Answer: your answer is c.
Explanation: The immune system responds to antigens by producing cells that directly attack the pathogen, or by producing special proteins called antibodies. Antibodies attach to an antigen and attract cells that will engulf and destroy the pathogen. The main cells of the immune system are lymphocytes known as B cells and T cells.
hope this helps
brainliest plz
Lymphocytes does the specific defense of the immune system use to fight pathogens.
What is immune system?"Immune system is a complex network of cells, tissues, organs, and the substances they make that helps the body fight infections and other diseases."
What is pathogen?"Pathogen is an agent causing disease or illness to its host, such as an organism or infectious particle capable of producing a disease in another organism."
What is a lymphocyte?"A lymphocyte is a type of white blood cell that is part of the immune system."
What are the types of lymphocytes?There are two main types of lymphocytes:
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Which task would be best accomplished in a field of engineering? *
A. Designing and building an artificial heart for the human circulatory system
B. Identifying the organisms that live in a liter of healthy soil
C. Explaining how water travels up the tissues of a plant
D. Predicting the outcome of mixing oxygen and hydrogen gases at high temperature
Answer: A. Designing and building an artificial heart for the human circulatory system
Explanation:
Whenever the term design and build comes into play, it's most times relating to engineering, Engineers takes out much time to work on each product from their design to their building, the application of Engineering importance cuts across all fields of life to making life easier for humanity in its innovation. The building and building an artificial heart for the human circulatory system is an engineering work perspective.
I need the answer for question 4 please and thank you
Answer:
I think it's C
Explanation:
The info I just found says that seismic waves move more slowly through a liquid than a solid
(c) explain one adaptation that helps grasses succeed in grasslands, rather than forests. bolditalicunderline
One important adaptation that helps grasses succeed in grasslands rather than forests is their ability to grow quickly and efficiently in response to environmental conditions.
Grasses are a group of plants that have evolved various adaptations to succeed in grassland habitats, which are characterized by low tree density, abundant sunlight, and seasonal droughts. Grasses have a high photosynthetic rate and can quickly convert sunlight into energy through their leaves.
Another adaptation that helps grasses succeed in grasslands is their ability to tolerate drought. Grasses have evolved deep root systems that allow them to access moisture deep in the soil, even during periods of drought. Finally, grasses have adapted to survive in grasslands by being fire-resistant. Many grassland ecosystems experience regular fires, which can remove woody plants and create open spaces for grasses to grow.
In summary, grasses have evolved several adaptations that allow them to succeed in grassland habitats rather than forests. These adaptations include rapid growth and efficient resource use, deep root systems that allow for drought tolerance, and fire-resistant characteristics. These adaptations allow grasses to thrive in grassland ecosystems, where other plant species may struggle to survive.
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Alice was participating in a photosynthesis lab for science class. The lab procedures instructed Alice to prepare a test tube containing water, a sprig of elodea (a common aquarium plant), and 10 g of sodium bicarbonate (NaHCO3). She was then instructed to place the test tube in front of a strong light source for one minute. Alice noticed tiny bubbles forming on the leaves of the elodea. What is the most logical explanation for why Alice saw bubbles forming on the leaves of the elodea?Group of answer choicesThe bubbles formed as a result of the hydrogen from the sodium bicarbonate mixture dissolving the elodea leaves.The bubbles formed from the release of water molecules from the elodea leaves.The bubbles formed as the elodea plant released oxygen from the elodea leaves.The bubbles formed as the elodea plant released carbon dioxide from the elodea leaves.
Step 1.
Write down the experiment data.
- tube containing water;
- alodea (photosynthetic organism);
- 10 g of sodium bicarbonate;
- light source.
Step 2.
Why bubbles are formed on the leaves of the alodea?
The experiment have all the condictions for photosynthesis, since it provides: water (that is in the tube), CO2 (because of the dissolved sodium bicarbonate), light (because of the string light source). Therefore the most ogical explanation for Alice experiment results is: the bubbles formed as the elodea plant releases oxygen from the elodea leaves, that because with all the elements in the experiment the plant can do a normal photosynthetic process that way realing oxygen in the tube and forming bubbles of "air".
Complete the chart below:
Answer:
Asexual reproduction
Number of parents - 1Advantages - no need mates, good characteristics are keptDisadvantages - no new variation, harmful genes will be transferredExamples - Bacteria, FungiSexual reproduction
Number of parents - 2Advantage - produce genetically different offspringDisadvantage - good characteristics can be lostExample - humanPLS HELP!
While five friends were playing video games, they saw a bright flash of lightening and heard a loud crash right outside the house. Being curious, they went to the window to see what had caused the loud noise. They observed a large tree branch that had been struck by lightening and fallen off a nearby tree. This sparked a little debate. Listen in on their conversation.
Alejando: Well, it looks like they tree is dead. It just lost a huge branch in the storm. Trees die when they lose big branches like that.
Quan: Nah. That tree will be fine. The branch will grow back exactly the same as it was before.
Michaela: Yeah. Haven’t you heard of cells? Cells are the basic unit of everything that is living and this tree is made up of many cells. It will be ok.
Alicia: But the tree just lost a huge branch which means it lost a lot of those cells. It can’t survive with all the cells it lost.
George: It did lose a lot of cells, but cells come from other living cells, so tree’s healthy cells should be able to produce more cells.
Which friends explanation do you agree with the most? Explain your answer.
Answer:Por otro lado, puedes raspar con un cuchillo una rama y observar si se encuentra verde. Si es así, significará que el ejemplar aún está vivo, pero si está marrón será que ha muerto. También es recomendable que muevas las ramas y compruebes su flexibilidad.
Explanation:
Answer:
You can scrape a branch with a knife and see if it is green. If so, it means that the tree is still alive, but if it is brown, it means the tree has died
Explanation:
I don't know if that helps. Hope it does though
1. ________ are unicellular organisms that lack a nucleus
2. A second membrane, called the _____, is found outside the wall in some bacteria.
3. ______ are the most rare of the two different domains of prokaryotes, and are found primarily is harsh conditions.
4. The protective structure that a prokaryote may form when conditions are unfavorable is called an _______
5. Bacterial growth can be slowed or blocked using medications called _______.
6. Bacteria can connect and exchange pieces of DNA, called plasmids, through a process known as ________.
the correct sequence of events producing an action potential in the inner ear would be: i. stereocilia move back and forth against tectorial membrane. ii. intermittent action potentials are sent to the brain via the auditory nerve. iii. hair cells periodically release neurotransmitters. iv. basilar membrane vibrates in response to sound waves traveling through the cochlea.
The correct sequence of events which take place during production of action potential in inner ear are, vibration of basilar membrane, then movement of stereocilia, then the release of neurotransmitters and finally sending of action potentials to the brain.
There are a certain sequence of events which take place during the production of an action potential in the inner ear. The first step is when the sound waves are able to travel through the cochlea and cause vibrations in the basilar membrane. Then the stereocilia moves back and forth and this movement occurs against the tectorial membrane.
The hair cells then release the neurotransmitters periodically and the final step is the generation and sending of intermittent action potential through the auditory nerve and to the brain.
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The fruiting body found above ground in fungi is called the
A. cap.
B. hyphae.
C. mycelium.
Answer:
fruiting body is called cap
The mycelium is the fruiting body found above ground in fungi.
The pileus is the technical name for the cap, or cap-like part, of a basidiocarp or ascocarp (fungal fruiting body) that supports a spore-bearing surface, the hymenium.
A hypha is a long, branching, filamentous structure of a fungus, oomycete, or actinobacterium. In most fungi, hyphae are the main mode of vegetative growth, and are collectively called a mycelium.
A mycelium is a network of fungal threads or hyphae. Mycelia often grow underground but can also thrive in other places such as rotting tree trunks. A single spore can develop into a mycelium. The fruiting bodies of fungi, such as mushrooms, can sprout from a mycelium.
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Which is the correct description of an anabolic pathway?
a) it generates molecules from smaller subunits
b) it breaks down molecules into smaller subunits
c) it transmits cell signals
d) it generates atp
The correct description of an anabolic pathway is that it generates molecules from smaller subunits. Anabolic pathways involve the synthesis or building up of complex molecules from simpler ones.
This process requires energy and typically occurs in a series of enzymatic reactions. Through these reactions, small subunits are combined to form larger molecules, such as proteins, nucleic acids, and polysaccharides. Anabolic pathways are essential for the growth, repair, and maintenance of cells and tissues. They are responsible for processes like protein synthesis, DNA replication, and glycogen formation. By utilizing energy, anabolic pathways drive the creation of new biomolecules necessary for the functioning and survival of living organisms. In summary, anabolic pathways are responsible for generating molecules from smaller subunits, and they play a crucial role in cellular metabolism.
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Which of the following is NOT a characteristic of life?A. contains cellsB. has movementC. responds to environmentD. can grow and develop
the answer is has movement
because al
the ecosystem-based fishery management approach differs from the maximum sustainable yield approach because it . (mark all that apply.)
The ecosystem-based fishery management approach differs because it
-acknowledges uncertainties in the system
-acknowledges diverse societal uses of fish stocks, including fishing, recreation, and tourism.
The ecosystem-based fishery management is a strategy that emphasizes a comprehensive approach to fishery management in a way that benefits humans in many ways, such as fishing for food or recreation or for breeding new fish stocks.
This strategy is crucial for monitoring the effects of human involvement in the fisheries environment and for figuring out how to establish a stable balance between the two without endangering the latter.
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Homologous structures are body structures that....
a, used for the same purpose.
b, come from a common ancester.
c, are mutations.
d, are exactly the same and used for the same function no matter what species they are found in
Answer: b, come from a common ancestor.
Explanation:
Homologous structures are body structures found in different species with similar structures, indicating a shared evolutionary history. These structures may have different functions in different species but share a similar underlying structure. Examples of homologous structures include the bones in the forelimbs of vertebrates, which have alike arrangements and structures despite being used for different purposes (e.g., wings in birds, arms in humans, and flippers in whales).
as growth occurs in the body, new substances must be synthesized. by what type of chemical reactions are molecules joined together to form more complex molecules?
Answer:
Anabolic reactions, also called biosynthesis reactions, create new molecules that form new cells and tissues, and revitalize organs.
Explanation:
Why can synthetic polymers be altered to create so many different kinds of materials?
Answer:
they have a hydrocarbon backbone that can be chemically altered
Explanation:
The primary function of the kidney is to exchange molecules across a membrane between the blood and the urine. One type of kidney cell has a basic rectangular shape, except for a single surface, which is lined with tiny, finger-like projections that extend into the surrounding extracellular space. Which of the following best explains the advantage these projections provide the cell? The projections increase the volume of the cell without affecting the surface area, which increases the metabolic needs of the cell. B The projections increase the surface area-to-volume ratio of the cell, which allows for more efficient nutrient exchange with the environment. The projections increase the speed at which an individual molecule can move, resulting in faster nutrient Which of the following best explains the advantage these projections provide the cell? A The projections increase the volume of the cell without affecting the surface area, which increases the metabolic needs of the cell. B The projections increase the surface area-to-volume ratio of the cell, which allows for more efficient nutrient exchange with the environment. The projections increase the speed at which an individual molecule can move, resulting in faster nutrient exchange with the environment D The projections increase the selectivity of the membrane because the small size of the projections limits the number of transport proteins that can be embedded in the membrane.
Answer:
The answer is B: The projections increase the surface area-to-volume ratio of the cell, which allows for more efficient nutrient exchange with the environment.
Explanation:
These finger-like projections, also known as microvilli, are commonly found in cells that are actively involved in absorption or secretion, such as the kidney cells in this scenario. They significantly increase the surface area of the cell, thereby allowing more transport proteins to be embedded in the cell membrane and facilitating more efficient exchange of molecules between the cell and its environment. This increase in surface area doesn't significantly affect the volume of the cell, so it doesn't considerably increase the metabolic needs of the cell.
Therefore, these projections do not primarily increase the volume of the cell (option A), the speed of individual molecule movement (option C), or the selectivity of the membrane by limiting the number of transport proteins (option D). Instead, they enhance the cell's capacity for molecular exchange by increasing its surface area.
In which stage of its life cycle is a butterfly called a pupa?
A key discovery leading to the structure of DNA was done by Chargaff. He found that ______Select all that apply. the tetranucleotide hypothesis was false the amount of A equals the amount of C, and the amount of G equals the amount of T the amount of A equals the amount of G, and the amount of C equals the amount of T the amount of A equals the amount of T, and the amount of G equals the amount of C
The key discovery leading to the structure of DNA that was done by Chargaff includes:
The tetranucleotide hypothesis was false The amount of A equals the amount of T, and the amount of G equals the amount of CChargaff's experiments showed that the DNA of different organisms had different ratios of the four bases (A, T, G, C), disproving the tetranucleotide hypothesis.
He also discovered that the amount of A always equals the amount of T, and the amount of G always equals the amount of C, which became known as Chargaff's rules. These findings were crucial in the development of the double helix model of DNA.
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HELP PLEASE What is the correct percentage of time a cell spends in the Interphase and the Mitosis stages?
Answer:
20% in mitosis
80% in interphase
to be more exact it spends 78% in interphase and 22% in mitosis :)
Answer:
c
Explanation:
What is not a reason for the usefulness of the squid giant axon in neuronal studies?
One limitation is that the squid nervous system is simpler than that of mammals, and thus the findings from squid studies may not be directly applicable to humans. Another limitation is that the physiological properties of the squid giant axon may differ from those of other neurons in the nervous system, which could lead to misleading conclusions.
The squid giant axon is a specialized neuron that can be easily isolated and studied due to its large size and accessibility, making it an invaluable tool for neurobiologists. However, there are some limitations to using the squid giant axon in neuronal studies, but none of them would be considered a reason for the usefulness of this neuron. Despite these limitations, the squid giant axon remains a valuable tool for neuronal studies. Its large size and ease of accessibility allow for detailed recordings of electrical activity and biochemical manipulations, which can help researchers understand the basic principles of neuronal function.
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how many organelle has a membrane system and their name?
There are 6. Lysosome, Endoplasmic Reticulum, Golgi Apparatus, Chloroplast, Nucleus, Mitochondrion