Among human males, both semen and urine normally travel along the _______. A. vas deferens B. seminal vesicle C. urethra D. ureter
Answers
Among human males, both semen and urine normally travel along the
Urethra.
Semen is the liquid portion which acts as a carrier for sperm and it also contains different fluids.Urethra is a part of the human urinary system and is a hallow tube and present both in males and females.The difference is that male urethra is long and is a common passage for both urinary and excretion systems, whereas in female urethra is short and is only used in excretion of urine.
Hence from the above points we can conclude that in males both semen and urine normally travel along the Urethra.
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Related Questions
on a radiograph, the periodontal ligament appears: group of answer choices a. radiolucent area between the root of the tooth and the lamina dura b. radiopaque area on the outside of both the lamina dura and root of the tooth c. between the dentin and enamel at the dentinoenamel junction d. surrounds the crown of the tooth
Answers
On a radiograph, the periodontal ligament appears a. radiolucent area between the root of the tooth and the lamina dura.
A radiograph is a diagnostic tool that employs x-rays to visualize the internal structures of the body. Radiographs are frequently used by dentists to examine teeth and diagnose any underlying oral health issues.
The periodontal ligament (PDL) is a specialized connective tissue that connects the tooth to the alveolar bone. It's an essential component of the tooth's attachment apparatus, and it also supports its function. On a radiograph, the periodontal ligament appears as a radiolucent area between the root of the tooth and the lamina dura.
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Which features make capillaries great for
exchanging substances between the
blood & cells? (select all that apply)
the blood pressure is much lower & the flood
flows slower, allowing time for exchange
they are permeable & allow substances
in/out
they have a very large total cross sectional
area for the exchange
they are only one cell layer thick
Answers
Answer:
All of the following features make capillaries great for exchanging substances between the blood and cells:
The blood pressure is much lower and the flow is slower, allowing time for exchange
They are permeable and allow substances to move in and out
They have a very large total cross-sectional area for exchange
They are only one cell layer thick, which facilitates rapid diffusion of substances across their walls.
Explanation:
which of the following statements related to chemical bonds is false? Atoms are the most reactive when they have a full outer energy level. Atoms form chemical bonds to achieve a full outer energy level. Atoms can bond together to form entirely different substances. Chemical bonds make an atoms arrangement of electrons more stable.
Answers
Answer:
Atoms are the most reactive when they have a full outer energy level.
Explanation:
Atoms are the least reactive and most stable when their outermost electron shell is full.
The concentration of glucose in the blood at P, and in the fluid at Q, is 0.1 per cent. The concentration of glucose in the fluid at R is 0.0 per cent.
Use information from the diagram, and your own biological knowledge, to explain the change in glucose concentration from point P through to point R.
Answers
Answer:
Explanation:The change in glucose concentration from point P to point R can be explained by the process of diffusion. Diffusion is the movement of particles from an area of higher concentration to an area of lower concentration.
At point P, the concentration of glucose in the blood is 0.1 percent. This means that there is a higher concentration of glucose in the blood compared to the surrounding fluid. Due to the concentration gradient, glucose molecules will tend to move from the blood to the surrounding fluid through diffusion. As a result, glucose molecules will diffuse from point P towards point R.
As the glucose molecules move from point P towards point R, they will continue to spread out and mix with the surrounding fluid. At point Q, which is between P and R, the concentration of glucose in the fluid will increase due to the diffusion of glucose from the blood. However, the concentration at point Q will still be lower than the initial concentration at point P.
As the glucose molecules continue to diffuse towards point R, the concentration gradient decreases. Eventually, at point R, the concentration of glucose in the fluid is 0.0 percent. This means that all the glucose molecules have diffused from the blood and mixed with the fluid, resulting in an equal concentration of glucose in the blood and the fluid at point R.
In summary, the change in glucose concentration from point P to point R is due to the process of diffusion, where glucose molecules move from an area of higher concentration (point P) to an area of lower concentration (point R) until equilibrium is reached.
At point P, the concentration of glucose in the blood is 0.1 per cent, which is the same as the concentration in the fluid at Q. This suggests that at point P, glucose is freely filtered from the blood into the glomerular filtrate without being selectively reabsorbed. Therefore, the concentration of glucose remains constant from point P to point Q.
However, at point R, the concentration of glucose in the fluid is 0.0 per cent. This indicates that glucose has been selectively reabsorbed from the glomerular filtrate back into the blood. In the renal tubules, specialized transporters actively reabsorb glucose molecules from the filtrate and transport them back into the bloodstream. This process ensures that glucose, which is an important energy source for the body, is retained rather than being excreted in the urine.
The change in glucose concentration from point P to point R is due to the selective reabsorption of glucose in the kidneys. As the glomerular filtrate passes through the renal tubules, glucose is actively transported back into the bloodstream, leading to a decrease in its concentration from point P to point R. This mechanism helps maintain a stable blood glucose level and prevents the loss of valuable energy resources.
If researchers use only the number of coral found in dive 1, calculate the
predicted population of brain coral in a reef that covers 120 m2
Answers
The estimated number of brain corals in a 120 m² reef.
First, determine the default population density's value.
Population size (dive 1) / total area equals population density.
= 4 / 12 = 0.33
Total area;
The area of each reef quadrant is equal to length times breadth or 2 times 2 meters.
Area total: 4 + 4 + 4 = 12 m² .
The last procedure is to calculate the expected brain coral population value.
(Predicted Population) / (Predicted Area) is a measure of population density.
0.33 = ( pp ) / 120m²
The predicted population (pp) is 0.33 times 120
= 39.6 x 40 coral brains
As a result, we may say that 40 brain corals are expected to exist.
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At birth, Himalayan rabbits are usually white over their entire bodies. But when parts of their bodies reach temperatures below 35°C, a pigment that causes these parts to turn black is produced.
Which of the following is the most likely cause of this?
Responses
Answers
Gene expression that is regulated by temperature.
A pigment is a fabric that adjustments the shade of reflected or transmitted light because the result of wavelength-selective absorption. In different words, it's a substance that appears a sure colour because it selectively absorbs certain wavelength of light.
Pigments are the compounds added to substances to give them coloration. This deceptively simple software has shaped our perception of the world via artwork, style, and even laptop presentations and medication. Pigments are utilized in paints, inks, plastics, fabric, cosmetics, and food.
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Hypothesize about tumor growth. Scientists have shown that tumor growth is an example of positive feedback loops. Why is tumor growth an example of positive feedback? In your answer elaborate using the following terms stimulus, receptor, control center, effector, response.
Answers
Answer:
Tumor growth is a process associated with the expression of oncogenic genes
Explanation:
The tumor cells often share oncogenic receptors that are expressed during oncogenesis. For example, it has been shown that the epidermal growth factor receptor is often mutated in brain cancer cells, thereby encoding an oncogenic that is overactive. These receptors are responsive to stimulus of nearby cells and thus act as effectors that amplify tumorigenic signals. In consequence, during tumor progression, tumorigenic effector cells have an uncontrolled proliferation and antiapoptotic signals are predominant. The nucleus in the cell functions as a control center where tumor suppressor genes are transcribed to fight against such oncogenic cells.
3 interesting facts about strokes
Answers
Answer:
Stroke Facts
In 2018, 1 in every 6 deaths from cardiovascular disease was due to stroke.
Someone in the United States has a stroke every 40 seconds. ...
Every year, more than 795,000 people in the United States have a stroke. ...
About 185,000 strokes—nearly 1 of 4—are in people who have had a previous stroke.
I gave you more than three just in case you don't think of one
Gary wants to see fall leaves change color. He should take a trip to the _____.
North Pole
South Pole
middle lattitudes
equator
Answers
Answer:
equator
Explanation:
How are flagella in unicellular organisms like legs in humans??
Answers
Cilia and flagella are more closely related, as they are both like hairy extensions from the cell membranes. However Cilia (singular: cilium) are much shorter and are arranged in multiple groups, working together in coordinated manner to create movement along the cell membrane (kind of like the legs of a centipede).
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You are requested to implement a simple virus management system. "A virus is a submicroscopic infectious agent that replicates only inside the fiving cells of an organism. Viruses infect all life forms, from animals and plants to microorganisms, including bacteria and archaea. "Viruses can be classified into various categories according to the Baltimore classitication (see link for more details). Any virus can be identified by many fields including an official name, date when it was first discovered, who discovered... 1- (1 mark) Describe the virus and research Lab data types, Virus and ResearchLab, using Java classes. Make sure to use Java inheritance, an interface, and an abstract class. 2. (4 marks) We want to implement a simple application that manages the viruses stored in research Labs. You are asked to develop a Java application that uses. an array to store all information regarding the viruses maintained in each research Lab and using the newly created data types: Virus and ResearchLab defined in 1). You should provide a menu with the following options: Please use the partial Java code provided with this assignment which prints the menu. You MUST do this lab in groups of a maximum two students. This Programming Assignment counts for 5 marks. You should upload your java program and screen shot of the test on blackboard on time. Any late submission will be penalized (−0.25/ day . Warning: Plagiarism will be reported to the Academic integrity Office CSC301-Data Structures and Algorithms (Fall 2022)
Answers
To implement a virus management system, create Virus and ResearchLab classes in Java, using inheritance and an interface. Use an array to store virus information and provide menu options for managing the viruses.
To implement a virus management system, we can create two Java classes: "Virus" and "ResearchLab". The "Virus" class will represent a virus and will have fields such as the official name, discovery date, and discoverer's name. The "ResearchLab" class will represent a research lab and will contain an array to store information about the viruses stored in that lab. To ensure code reusability and structure, we can create an abstract class called "Organism" that both "Virus" and "ResearchLab" classes will inherit from. This abstract class can define common properties and methods related to organisms.
We can create an interface called "Infectious" that specifies the behavior of infectious organisms. The "Virus" class can implement this interface to indicate that it is an infectious agent. By using these classes, we can develop a Java application that manages viruses stored in research labs. The application can provide a menu with options such as adding a new virus, removing a virus, displaying all viruses in a lab, etc. The menu can be implemented using the partial Java code provided, and the functionality can be implemented using the defined classes and data types.
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Please help! Multiple choice question.
Answers
How does a keystone species positively contribute to biodiversity in an ecosystem?
a. predation of many species
b. predation of one important species
c. helps invasive species to populate area
d. keystone species do not positively contribute to biodiversity, rather hurt it
(please help me quickly this is due in 5min my last question)
Answers
what does balance diet consist of?
please help!!
Answers
Answer:
Fruits, vegetables, lean meat, limiting saturated fats, eating controlled portions.
Explanation:
Fruits and vegetables are extremely important for a balanced diet. Same with lean meat.
These provide good amounts of fiber and protein.
Eating less saturated fats are good too. Same with eating controlled portions so you do not over or under eat.
Hope this is correct, good luck with your studies.
Answer:
A balanced diet contains foods from the following groups: fruits, vegetables, dairy, grains, and protein.
what is 1000 into brackets 0.0128/200
Answers
Answer:
0.064
Explanation:
Which is not an adaptation of desert animals that help them retain and acquire water in such a hot and dry environment?
a.
burrow in moist soil or live in underground dens
b.
excrete uric acid instead of urine
c.
evolved an internal ‘air conditioning’ system to help them stay cool
d.
obtain water from the plants and animals they eat
Answers
An adaptation of desert animals that helps them retain and acquire water in such a hot and dry environment is to evolve an internal air conditioning system to help them stay cool. Thus, the correct option is C.
What is Adaptation?Adaptation may be defined as the methodology that involves numerous changes through which an organism or species becomes better compatible with its surrounding environment.
Adaptation also characterizes the specific property of organisms through which they acquired certain changes slightly over time to be able to continue to exist in a particular environment.
Statement three "evolved an internal air conditioning system to help them stay cool" represents the process of evolution rather than adaptation.
While excretion of uric acid in place of urine, obtaining water from the plants and animals, and burrowing in moist soil or living in underground dens demonstrate the process of adaptation.
Therefore the correct option for this question is C.
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Which of the following molecules can pass through the membrane by simple passive diffusion?a. Carbon dioxideb. Oxygenc. Glucosed. Answers a) and b) are both correct.e. All of the above
Answers
Answer:
carbon dioxide and oxygen
neon is a non-reactive gas that does not interact with other elements. How does the properties of neon compare to those of xenon? Why?
Answers
This means that because they already contain the required eight total s & p electrons at their outermost energy level, they do not interact with other elements.
Describe an element in its simplest form.A crucial component of a whole. a simple molecule that cannot be divided into smaller components or transformed into another substance is referred to as in chemistry. An atom, which is made up of protons, neutrons, and electrons, is the fundamental unit of an element.
How is an element created?Substances that cannot be reduced to a simplified form are considered elements. A distinct atomic number serves as an identifying feature. In the atomic numbers, which emphasizes elements with related properties, the elements are arranged according to their atomic number.
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In many tropical rainforests, people clear land by cutting down trees and burning them. After a few years, the soil runs out of nutrients and cannot be farmed any longer. How does this practice of “slash and burn agriculture” affect Earth’s atmosphere?
Answers
Answer:
The polution from burning the trees. Also, the loss of oxygen from the loss of trees.
Explanation:
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Notice the finite rate of increase varies depending on what time period you are measuring. Can you think of a reason why?
Answers
The finite rate of increase varies depending on what time period you are measuring because it is affected by various factors such as birth rate, death rate, immigration, and emigration.
The finite rate of increase is a measure of how much a population is growing over a certain period of time. It is calculated by subtracting the death rate from the birth rate and then adding the net migration rate.
The birth rate refers to the number of births per 1,000 individuals in a population, while the death rate refers to the number of deaths per 1,000 individuals in a population.
Net migration is the difference between the number of individuals who immigrated to a population and the number of individuals who emigrated from it.
The finite rate of increase can vary depending on what time period you are measuring because birth rates, death rates, and net migration rates can all fluctuate over time.
For example, if the birth rate increases and the death rate stays the same, the finite rate of increase will be higher for that time period.
Conversely, if the death rate increases and the birth rate stays the same, the finite rate of increase will be lower.
Similarly, if more individuals are immigrating to a population than emigrating from it, the finite rate of increase will be higher, while if more individuals are emigrating than immigrating, the finite rate of increase will be lower.
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Bone marrow replacement is the method of treatment for individuals with a rare immune system disorder in which the body is unable to produce an immune response called:
Answers
Answer:
calcium
Explanation:
calcium helps the bone grow effectively
If any body helps me study I will give them Brailiest
Answers
Answer:
I mean I might be able to help you study.
Explanation:
according to the figure, the group fish includes all vertebrates except the tetrapods. the taxon fish is therefore a ________ group.
Answers
According to the figure, the group fish includes all vertebrates except the tetrapods. The taxon fish is therefore a paraphyletic group.
In a phylogenetic tree, a group is considered paraphyletic if it includes some, but not all, of the descendants of a common ancestor. In this case, the group "fish" includes all vertebrates except the tetrapods (which are descendants of the common ancestor of all vertebrates), and therefore does not include all of the descendants of this common ancestor.
By definition, a monophyletic group includes all the descendants of a common ancestor and is considered a natural group.
Therefore, the taxon "fish" is not a monophyletic group, because it excludes the tetrapods, which are also descendants of the common ancestor of all vertebrates.
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The ___ revolution is responsible for much of the pollution the earth experiences today
Answers
The Industrial Revolution is responsible for much of the pollution the earth experiences today.
What is Industrial revolution?The Industrial Revolution was a period of rapid industrialization that took place in the 18th and 19th centuries, and it was characterized by the development of new technologies and methods of production that greatly increased the efficiency and output of industry. However, this period of rapid industrialization also led to the increased production of pollutants such as greenhouse gases, toxic chemicals, and solid waste, which have had negative impacts on the environment and human health.
The pollution caused by the Industrial Revolution continues to be a major problem today, and addressing this pollution is an important challenge for governments, businesses, and individuals around the world.
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What is one function that exocytosis carries out in the human body?
Answers
Answer:
Exocytosis is used by a number of cells in the body as a means of transporting proteins and for cell to cell communication. In the pancreas, small clusters of cells called islets of Langerhans produce the hormones insulin and glucagon.
Explanation:
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Why are chromosomes arranged into pairs. Give it in it's short answer.
Answers
so that offsprings can inherit half traits from the mother and half traits from the mother.
Explanation:
one chromosome is of the mother and one for the father
place the correct term in the sentence to complete each statement in a molecule of dna cytosine is complementary to
Answers
A) Adenine is complementary to Thymine.
B) Thymine is complementary to Adenine.
The four nucleotides that make up DNA are adenine (A), thymine (T), guanine (G), and cytosine (C). Strong covalent bonds called hydrogen bonds, which form between atoms of various elements, keep these joined together.
Due to their complementary nature, adenine and thymine will combine to form a double-stranded DNA molecule. This is a crucial component of DNA's structure because it enables DNA replication and transmission to succeeding generations.
Adenine and thymine's complimentary pairing also contributes to the stability of the DNA molecule, ensuring that it can perform its necessary functions.
Complete Question:
Place the correct term in the sentence to complete each statement in a molecule of DNA:
A) Adenine is complementary to ________.
B) Thymine is complementary to ________.
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the term used to designate how many bacteria or viruses are required to kill 50% of an experimental group of hosts is question 55 options: a) pathogenicity. b) ld50. c) id50. d) virulence. e) infectivity.
Answers
The term used to designate how many bacteria or viruses are required to kill 50% of an experimental group of hosts is ID50 (c).
LD50 is a similar term that refers to the lethal dose required to kill 50% of a test population, but it is generally used to describe the toxicity of chemicals or other substances rather than infectious agents.
Pathogenicity refers to the ability of a microorganism to cause disease, while virulence refers to the degree of pathogenicity, or the severity of the disease that is caused. Infectivity refers to the ability of a microorganism to establish an infection in a host. Therefore the answer is c.
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I think I have this right but want to make sure since I'm
confused if they mean just the macromolecules?
Select all of the types of molecules cells are built with. lipid carbohydrate protein vitamin DNA mineral
Answers
Lipids are a diverse group of biomolecules that are insoluble in water and include fats, oils, and waxes. They play important roles in cell structure, energy storage, and signaling.
Carbohydrates are biomolecules that consist of carbon, hydrogen, and oxygen atoms in a specific ratio. They can be monosaccharides, disaccharides, or polysaccharides, and they serve as an important source of energy for cells.
Proteins are biomolecules that consist of amino acids arranged in a specific sequence. They are essential for many cellular functions, including structural support, enzymatic activity, and transport.
Vitamins are organic compounds that are essential for normal cellular function and growth. They are not synthesized by the body and must be obtained through the diet.
DNA is a complex molecule that contains the genetic information needed for the development, function, and reproduction of cells. It is made up of four nucleotide bases (adenine, thymine, guanine, and cytosine) and is packaged into chromosomes.
Minerals are inorganic substances that are essential for many cellular functions, including the regulation of ion balance and the formation of bones and teeth. They are found in small amounts in many foods and can also be obtained through supplements.
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Where will you find permafrost? tall grass prairie savanna chaparral tundra
Answers
Answer:
Where Is Permafrost Found? About a quarter of the entire northern hemisphere is permafrost, where the ground is frozen year-round. It's widespread in the Arctic regions of Siberia, Canada, Greenland, and Alaska—where nearly 85 percent of the state sits atop a layer of permafrost.
Explanation:
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