Answers
First let's start with the main question:
How does human reproduction work?To survive and flourish, all living beings require food and shelter. However, reproduction is the most crucial activity in an organism's life cycle.
Reduction can be described as the process of producing offspring. Life and species continue to exist as a result of reproduction. Humans reproduce to ensure the survival of the species. The union of male and female gametes results in reproduction. This is another form of sexual reproduction.
Modes of reproductionAsexual reproduction and sexual reproduction are the two ways of reproduction.
Asexual reproduction refers to the process in which only one organism generates progeny. Budding, spore formation, fission, fragmentation, regeneration, and parthenogenesis are the processes of sexual reproduction. The offspring's genetic makeup resembles that of the parent. Bacteria and fungus are two examples.Sexual reproduction occurs when the male and female gametes unite to give birth to an offspring. The offspring's genetic makeup resembles both parents. The majority of animals are examples.Reproduction in human beingsHumans procreate sexually. As a result, they are viviparous. The male and female gametes combine to form an embryo. Inside the female, the gametes fertilize and grow into an embryo until birthing. Humans are viviparous, which means they have a kid but do not deposit eggs.
Human reproductive systemHuman reproduction is a difficult process. The male and female reproductive systems play a significant part in the human reproductive system. The male reproductive system's job is to create male gametes and deposit these gametes into the female reproductive system. The female reproductive system's role is to create female gametes as well as to safeguard and nourish the baby till birthing. The male and female reproductive systems differ significantly in terms of major sex organs and sex features, as well as secondary sex characteristics.
Stages of reproduction in humansThe stages of reproduction in human beings are as follows:
GametogenesisInseminationFertilizationImplantationGestationParturitionGametogenesisThe process by which male and female gametes are created is known as gametogenesis. The sperm is the male gamete, while the ovum is the female gamete. The zygote is created when the male and female gametes unite. After the process of meiotic division of male germ cells, sperms are generated inside the testis, a male reproductive organ. After the process of meiotic division of the female egg cells, the ovum is created and discharged in the ovaries, which are the female reproductive organs.
Ins33minationIt is the procedure by which sperms are transferred into the female vaginal canal after mating or sexual contact. Once the sperms have entered the genetic tract, the ovum discharged into the fallopian tube fuses with the sperm cell, resulting in the creation of the embryo.
FertilizationFertilization is the process through which sperm and ovum combine. It takes place within the fallopian tube. The zygotes are generated after fertilization.
ImplantationDuring implantation, the zygote develops into a blastocyst, a 16-cell cellular body. After the blastocyst develops, it adheres to the uterine wall until the baby is born. By this period, the uterine lining is preparing to produce the blastocyst.
GestationOnce the blastocyst is connected, the embryo that was in the zygote stage begins to develop. The embryo evolves into a kid after a few of weeks of growth.
ParturitionThis is the stage when the child is delivered from the mother’s body.
Now let's get onto this subcategory:Male reproductive systemthe male gamete or sperm forms in the male reproductive system. The male reproductive system is made of:
TesticlesScrotumVas deferensAccessory glandsP*nis
Related Questions
The star in the diagram represents which of these? A. origin of replication B. replication fork C. replication bubble D. Okazaki fragment
Answers
Given what we know about the process of DNA replication, we can confirm that the star shown in the diagram represents the replication fork.
During the replication of DNA in the cellular process of multiplication, a structure known as the replication fork is formed. This fork is a structure that forms by helicases, which tear the hydrogen bonds that hold together two DNA strands in the form of a double helix.
The resulting structure contains two prongs, which are branches of the original DNA strand which are no longer doble or in the form of a helix. This area where the strands are separating into prongs is the replication fork which is being marked in the diagram by the star.
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choose all that are features of lymphatic vessels. multiple select question. they resist moderate to high pressure valves are present smooth muscle is present in the vessel wall a tunica interna is present they have thick walls
Answers
There is a tunica interna. There is smooth muscle in the vessel wall.
There are valves.
What features do lymphatic vessels have?The main characteristic of lymphatic veins is their overlapping configuration and thin endothelial walls. This shows that a person any tissue fluid to reach the cells. Deep within the body, the lymph vessels eventually combine to form a much massive group of veins.
What three purposes do lymphatic vessels serve?The lymphatic system has three main purposes: initially, it keeps the body's fluid levels balanced; second, it makes it easier for dietary lipids to enter the bloodstream to metabolism or storage; & third, it strengthens and supports the immune system.
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What are the reactants involved in cellular respiration?; Is sugar a reactant or product in cellular respiration?; Where is sugar used in cellular respiration?; Is glucose the only sugar used in cellular respiration?
Answers
a). Oxygen and glucose are the two reactants necessary for cellular respiration. b). When cells respire, glucose (sugar) and other reactants are used. c). It is employed in the initial phase of cellular respiration. d). None of the others are used.
a). In the process of cellular respiration, both oxygen and glucose are reactants. Carbon dioxide and water are waste products of cellular respiration, with ATP serving as its primary product.
b). The process that transforms chemical energy is known as cellular respiration, and the reactants and products involved include oxygen, glucose (sugar), carbon dioxide, and water. The reactants, glucose (sugar) and oxygen, mix during cellular respiration to create new products, carbon dioxide molecules and water molecules. In order to provide energy for other cellular functions, adenosine triphosphate (ATP) is created.
c). As the primary substrate processed during glycolysis, glucose is utilized at the very first stage of cellular respiration. Pyruvate is generated once glucose is broken down into it, and then the pyruvate molecules are changed into acetyl CoA.
d). Glucose is, in fact, the main chemical used in cellular respiration. However, additional molecules can also be used in cellular respiration to generate energy, including: Lactic acid, which the liver can convert into glucose and then use in the process known as glycolysis to generate energy.
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Correct Question:
a. What are the reactants involved in cellular respiration?;
b. Is sugar a reactant or product in cellular respiration?;
c. Where is sugar used in cellular respiration?;
d. Is glucose the only sugar used in cellular respiration?
Early one morning a large number of fish were found dead along the banks of a Florida river.
Several scientists proposed hypotheses for the deaths. Which of the following would be most
appropriate for the scientists to do to determine the cause of the fish kill?
Answers
Answer:
sho fronk dil'oge compre siced
Explanation:
Answer: Conduct water quality tests to determine if there are any pollutants or toxins present in the river water.
How do we get our oxygen if plants do cellular respiration. If plants do cellular respiration and photosyntehsis shouldn't there be no oxygen in the air?
Answers
Can we depend on nonrenewable energy resources for our energy needs?
Answers
Answer:by
Explanation:
Answer:
Explanation: The answer is yes we can. We are depending on them now and they supply most of our needs to live.
Hope this helps and feel free to copy and paste it :)
What result allowed Dintzis to conclude that proteins are synthesized from the N terminus to C terminus
Answers
Answer:
The more newly synthesized peptides had greater levels of radiolabeled H
Explanation:
Using immature red blood cells (reticulocytes), Dintzis showed that polypeptide chains of hemoglobin were created from N-terminal to the C terminus during translation. Dintzis labeled with radioactive amino acids that were being actively translated, subsequently digested the translated proteins with trypsin and finally determined the amount of tryptic protein fragments. From this experiment, Dintzis observed that the radioactive products were concentrated in the C-terminus (i.e., labeled amino acids appeared first in the C terminal tryptic peptides), thereby showing that the direction of protein synthesis is from the N terminus to the C terminus.
What is one way in which a virus is different from a bacteria?
a) A virus can't reproduce on its own.
b)Only bacteria can cause disease.
c)Viruses contain DNA, but bacteria don't.
d)A bacteria is much smaller than a virus
Answers
What physical layer of Earth is located beneath the lithosphere?
a
Asthenosphere
b
Inner core
c
Mesosphere
d
Outer core
Answers
Answer:
The outer core
Explanation:
What happens to the carbon dioxide (CO2) levels of a plant when it does or does not have light?
Answers
Explanation:
Carbon dioxide is needed for photosynthesis, but oxygen is needed for cellular respiration. Assuming there is still oxygen then the plants will produce carbon dioxide and some of it will be reabsorbed by photosynthesis during daylight. However, ultimately there wouldn’t be enough carbon dioxide for the plants to grow and they will start to die. Some plants have evolved a C4C4 photosynthesis pathway so they only require a small amount of CO2CO2 to survive, however they do still require more than zero CO2CO2.
So basically you killed off all the plants and all the other non-microbial life died of starvation shortly afterward.
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You are told to identify the cells on a microscope slide as either plant, animal, or bacterial. You look at the cells to find that they have nuclei and organelles but no cell walls. You conclude correctly that the cells you are looking at are
a. either plant or bacterial cells.
b. plant cells.
c. animal cells.
d. bacterial cells.
Answers
Answer:
c. animal cells
Explanation:
Animal cells have no cell wall and contain organelles
The Human population is currently:
A: increasing at an increasing rate
B:increasing at a steady rate
C: increasing at a slowing rate
D: Decreasing
Answers
Answer:
A is the best answer for now I think. Because the world population grew by 100 million over the past year
Which of these is a female animal reproductive part that produces the eggs to be fertilized by the male sperm?
A: Infundibulum
B: OVum
C: Ovary
D: Zygote
Answers
Answer:
C Ovary is a female animal reproductive part that produces the eggs to be fertilized by the male sperm
Case 2. Ms. G was showering using a new pulsatile
shower head. With no warning, she experienced an epi-
sode of syncope while showering. She was subsequently
diagnosed with a carotid sinus syncope.
Answers
Carotid sinus syncope refers to a condition characterized by a sudden loss of consciousness or fainting (syncope) that occurs due to an abnormal response of the carotid sinus, a small structure located in the neck. The carotid sinus contains baroreceptors, which are sensory receptors that monitor blood pressure.
In the case of Ms. G, her episode of syncope while showering was likely triggered by the pulsatile shower head. The carotid sinus is sensitive to changes in pressure, and certain stimuli, such as pressure on the neck, can result in an overstimulation of the carotid sinus baroreceptors.
The pulsatile nature of the shower head may have caused an increased pressure or stimulation on Ms. G's carotid sinus during her shower. This excessive stimulation of the carotid sinus baroreceptors led to a reflex response that caused a sudden drop in heart rate and blood pressure, resulting in syncope.
Carotid sinus syncope is typically diagnosed based on the patient's history, clinical symptoms, and sometimes with additional tests such as carotid sinus massage or tilt table testing. Treatment options for carotid sinus syncope may include avoiding triggering factors, modifying lifestyle, and in some cases, medication or pacemaker implantation.
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The graph below shows how the price of wheat varies with the demand quantity.
Suppose that an increase in production costs decreases the supply of wheat, such that less wheat is supplied at each price level. The new equilibrium quantity (after the decrease in supply) is _____.
400
600
Answers
Answer:
400
Explanation:
Does the pharynx of human respiratory system have cartilage and epithelium?
Answers
Answer:
There is no cartilage but there is epithelium
Explanation:
The pharynx of the human respiratory system does not contain cartilage.
The pharynx, part of the human respiratory system, is a muscular tube that connects the nasal cavity and mouth to the larynx and esophagus. It serves as a passage for air and food. The gorge is made up of several regions, each with its own distinctive features.
The nasopharynx, the top part of the throat, contains no cartilage. Instead, it is lined with pseudostratified ciliated epithelium.This special epithelium helps to trap and transport mucus along with any particles or pathogens in the digestive system for elimination.
These regions also lack cartilage but are lined with stratified squamous epithelium. This type of epithelium provides protection from mechanical stress and potential abrasion caused by the passage of food and other substances down the pharynx.
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Give ttwo pieces of information that scientists use to prepare evolutionary trees for living and extinct organisms
Answers
Two pieces of information that scientists use to prepare evolutionary trees for living and extinct organisms are the fossil evidence that is found on the earth and the DNA samples, as these two are helpful in the evolutionary tree representation.
What is the significance of the evolutionary tree?An evolutionary tree, or phylogenetic tree, is a diagrammatic representation that shows the relationships between different species or groups and is used to represent the evolutionary history and how organisms are related to one another through common ancestry. The evolutionary tree is important as it helps scientists understand the relationships between different species and how they have evolved over time to form new species.
Hence, two pieces of information that scientists use to prepare evolutionary trees for living and extinct organisms are the fossil evidence that is found on the earth and the DNA samples, as these two are helpful in the evolutionary tree representation.
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which of these processes would be useful for separating a dissolved solid from a liquid? and why?
Answers
Answer: evaporation
Explanation:
Identify the five major root structures of a dicot root.
Answers
In the diagram of the dicot root we have the following elements:
A) Epiblema or epidermis, the outer layer of the root.
B) Endodermis, the layer of dermis between the cortex and the vascular tissues of the root.
C) Phloem, which transports photosynthesis products.
D) Xylem, which transports water and minerals
E) Cortex, the tissue underneath the epidermis, that in dicots consists of sclerenchyma and parenchyma
1 The......
of flowers make a yellow powder called
2
Pollination happens when pollen moves from the......
to the.....
of a flower of the same type.
3
Some plants use......
to blow the pollen far way.
4
Insects get .........
on their bodies when they visit flowers to feed
on
5
The.......
and eggs join together inside the
during
.This is how......
form.
Answers
stamen, pollen, stigma, ovary, wind, pollen
not sure ab #5
How do limiting factors determine the carrying capacity of an ecosystem?Why is sod valuable? a. loses fertility c. prevents soil erosion b. loses topsoil d. causes soil erosion
Answers
Limiting factors affect the carrying capacity by limiting available resources and regulating population sizes. Sod is valuable because it prevents soil erosion. Option C.
How limiting factors affect the carrying capacity?
The carrying capacity is the capability of the environment to support a growing population. It might be affected by different factors, known as limiting factors.
Limiting factors might depend on population density or be density-independent.
Density-dependent factors → depend on the population size → intra- and interspecific competition or predation.These factors are related to the interaction between populations and species. They might compete for resources (in which case resources become limited, affecting population sizes) or might establish a predator-prey relationship (in which case, predators and prey depend on each other and regulate their population size).
Density-independent factors → do not depend on the population size → Human impact or natural disasters (fires, volcanic eruptions, flooding).
Density-independent factors cause damage to the ecosystems, reducing the available resources such as food, water, or shelter and consequently decreasing the number of individuals. These factors reduce the carrying capacity of the environment.
In both cases, limiting factors regulate population size.
What is erosion?Erosion is the fertile soil loss process that leads to its degradation. It is due to several external agents that damage the ground and drag the exposed material from the superficial layers.
All the erosive agents act together, altering the soil composition, shape, and structure.
Some erosive agents are water, wind, ice, gravity, and animal trampling.
The loss of natural plant cover aggravates the erosive effects since no plants are protecting the soil.
Soil plant cover reduces erosion because the aerial part of the plant protects the surface, while roots protect the ground structure and absorb water.
Several grass species develop large roots to establish themselves on the ground. This characteristic helps to reduce erosion and to keep soil humidity.
In conclusion,
Limiting factors regulate population size.Plant cover avoids erosion. So, the correct option is C. Sod is valuable because it prevents soil erosion.You can learn more about erosion and limiting factors at
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Residual parent material refers to the *weathered rock* and *soil* that remains in its place of origin, while *transported parent material* is material that has been carried and deposited by natural agents such as water, wind, or glaciers.
The impact of these different types of parent material on *soil formation* can be significant. Residual parent material tends to contribute to the formation of soils with characteristics similar to the parent rock. The weathering process breaks down the rock into smaller particles, allowing for the development of soil horizons and the release of minerals that influence soil fertility. In contrast, transported parent material can introduce a diverse range of materials to a given area, leading to variations in soil composition, texture, and fertility. The transportation process can mix different types of sediment, resulting in the formation of heterogeneous soils with varying properties.
Answers
Residual parent material is the rock and soil that is still located in its original location and is weathered. Transported parent material is material that is carried and deposited by natural agents such as water, wind, or glaciers. The effect of these different types of parent material on soil formation can be significant.
Residual parent material usually contributes to the development of soils with qualities similar to the parent rock. The breakdown of rock into smaller particles through weathering enables the formation of soil horizons and the release of minerals that influence soil fertility.
The physical and chemical characteristics of soils derived from this form of parent material are often similar and homogeneous, allowing for predictable fertility and properties. Transported parent material, on the other hand, can introduce a diverse range of materials to a given area, resulting in variations in soil composition, texture, and fertility.
The transportation process can blend different types of sediment, resulting in the formation of heterogeneous soils with different characteristics. Transported parent material can also be exposed to weathering processes, altering its original composition and resulting in soils with varying degrees of fertility.
While transported parent material can increase the diversity of soil properties in an area, it can also make it difficult to predict soil characteristics, particularly in areas where different types of sediment have been deposited. The relationship between parent material and soil development is complex, with both the initial characteristics of the material and the surrounding environment influencing soil properties.
In general, residual parent material contributes to the development of homogeneous soils with predictable properties, while transported parent material can result in more diverse and heterogeneous soils.
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Which type of molecule is embedded throughout the phospholipid bilayer?
Answers
Answer:Integral proteins
Explanation:
the equations represent two biochemical processes that occur in living organism the letter X represent a molecule produced from process one. process 1: oxygen+ glucose ->carbon dioxide + water + x. Process 2: carbon dioxide + water + sunlight -> oxygen + glucose identify the molecule represented by letter X in process 1
Answers
Answer:
X represents ATP (Adenosine TrisPhosphate) or simply put Energy.
The equations represent two biochemical processes that occur in living organisms, and here the letter X represents a molecule produced from process one, which is the ATP, or the energy.
What is the role of glucose oxidation in the cell?Glucose oxidation is important in the cell because it provides the majority of the energy, which is ATP, if the glucose is completely oxidized by oxygen, whereas fermentation occurs in the absence of oxygen and produces only 2 ATP. The glucose oxidation is important for the ATP production that is required by the active processes, and along with the energy, water and carbon dioxide are released.
Hence, the equations represent two biochemical processes that occur in living organisms, and here the letter X represents a molecule produced from process one, which is the ATP, or the energy.
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Pls help
I will give Brainliest
Answers
Answer:
Grouper: has gills, scales, lays eggs
Killer Whale: lungs, produces milk, warm-blooded
Sea Urchin: invertibrae, radicial symmetry, water-based vascular system
Explanation:
Brainlest on this? pls
Consider what would happen to a diploid plant when genes are destroyed by a mutation.
How many genes would have to be destroyed in a diploid plant for one trait to be lost?
Answers
Answer:
Two, usually
Explanation:
A diploid plant has two copies (alleles) of every gene. If one copy of the gene is destroyed by a mutation, the plant will likely be okay with its other copy, and the trait will still be expressed.
However, some traits require both copies of the gene to be expressed. For example, if one gene is destroyed that means only half the amount of the gene product is produced. If that is not enough protein for the trait to be expressed, then the trait will be lost.
- Which molecule synthesized by plants is a major source of chemical energy for
cellular processes in both plants and animals?
Answers
Answer:
I think Glucose
Explanation:
Polycythemia is a condition where hematocrit numbers are high. High levels make the blood thicker, which can in strokes, blood clots, and heart attack. Which patient is most at risk for these complications? What chemical procduced by basophils thins the blood? What drug is often used as a blood thinner? (You may need to look these up.)
Answers
A blood clot, also known as a thrombus, is a solid mass of blood cells and protein fibers that forms when blood coagulates and solidifies. Blood clots typically form in response to injury or damage to the blood vessels, such as a cut or a broken vessel wall. The formation of a blood clot helps to stop the bleeding and protect the body from further damage.
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The reaction below is an example of a(n) _____ reaction.
ADP + P --> ATP
endergonic
exergonic
Answers
The reaction ADP + P --> ATP is an example of an endergonic reaction because it needs free energy to continue (Option A).
What is an endergonic reaction?An endergonic reaction is one that needs to obtain energy from the surrounding media in order to continue. Conversely, an exergonic reaction can proceed by releasing an amount of energy that allows continuing the process.
Therefore, we can conclude that the condensation of adenosine diphosphate or ADP and monophosphate or P to form adenosine triphosphate or ATP reaction is endergonic that only happens if more energy is provided by the surrounding media (Option A).
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Jose Salazar has been hospitalized following a motor vehicle accident. He has several broken bones, including his left jaw, two ribs on the left side, and a compound fracture of his left leg. According to his medical record, he is 47 years old, his height is 5'9", and his weight is 171 pounds. During the course of his hospital stay, he was diagnosed with a heart arrhythmia. His current medications include lovastatin to lower his cholesterol, an MAO inhibitor to treat depression, and an analgesic to treat his pain. Mr. Salazar's wife also reports that he takes several herbal products including yohimbe, kava, valerian, and St. John's wort. Which herbal product taken by Mr. Salazar may be causing his heart arrhythmia?a. yohimbeb. kava kava onlyc. St. John's wortd. valerian onlye. both valerian and kava kava
Answers
Answer:
a. yohimbeb
Explanation:
Heart arrhythmia is a heart disease in which the heart does not work properly. The main cause of heart arrhythmia is yohimbeb which is used as a medicine for increasing sexual desires but this herbal product also has side effects such as causing heart problems such as heart arrhythmia and kidney diseases. So the Jose Salazar should avoid the consumption of yohimbeb in order to control the heart disease.