Answer:
To survive in the harsh, acidic environment of the stomach, H. pylori secretes an enzyme called urease, which converts the chemical urea to ammonia. The production of ammonia around H. pylori neutralizes the acidity of the stomach, making it more hospitable for the bacterium
Explanation:
Which part of a fish detects vibrations
and temperature changes?
Answer:
For each fish's skin surface, a row of unique cells is contained inside a particular canal that runs the length of its body. This is referred to as the "lateral line," because it enables them to sense vibrations in the water. Fish are able to notice activity around them as well as changes in the flow of water thanks to their sixth sense.
Explanation:
Hope it helps:)
Describe how the Earth’s surface changed over time?
Answer:
Earth's surface is constantly changing. Wind, water, and ice break down large rocks and move sediments on the surface. It usually takes years for weathering, erosion, and deposition to cause noticeable changes. Some events, though, change Earth's surface much more quickly.There are basically 2 types of changes that occur to the earth's surface (i) Slow change and (ii) fast change. Fast changes occur through the actions of earthquakes, volcanoes, landslides, etc. while slow change takes time and has a process.
Explanation:
Our home planet Earth is a rocky, terrestrial planet. It has a solid and active surface with mountains, valleys, canyons, plains and so much more. Earth is special because it is an ocean planet. Water covers 70% of Earth's surface. When it comes to changes on the Earth's surface, the main processes to take into account are plate tectonics and the rock cycle as well as the sea-floor spreading. ... These collisions causes mountains and volcanoes to form on the plate boundaries and thus changes the shape and form of the landmass
Two women gave birth to girls in the same hospital at the same time. The nurses think they may have accidentally switched the babies' name tags and given the babies to the wrong parents. One baby, Jane, is type O blood. The other baby, Mary, it type A blood. The father in the first set of parents, the Reds, is blood type A and the mother is blood type B.The father in the second set of parents, the Greens, is blood type AB and the mother is blood type O.Which baby belongs to the Reds?
Answer:
Jane belongs to the greens
Mary belongs to the Reds
Mary belongs to Greens, whereas Jane belongs to Reds (it is due to the allele in the parents).
What is the ABO blood system?The blood system is an allele system that determines the presence of antigens in the red blood cells.
In the ABO blood system, the A and B alleles are codominant, whereas the O allele is recessive and masked by A and B.Mary is type A blood, whereas Jane is type O blood which can be due to the following allele combinations:Reds
A O
B AB OB
O OA OO
Greens
A B
O AO OB
O AO OB
In conclusion, Mary belongs to Greens, whereas Jane belongs to Reds (it is due to the allele in the parents).
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Cell specialization is important because...
A. all cells have the exact same functions in the body.
B. tissues in the body have cells that perform different functions to contribute to the overall well-being of the organism.
C. cells like to do their own thing in the body, without instruction from DNA.
D. it's required by a federal government mandate.
Answer:
B. tissues in the body have cells that perform different functions to contribute to the overall well-being of the organism
Explanation:
the best and most correct answer choice is B. this is because the body needs different functions for different parts of the body. tongue cells have a different function than muscle cells (which would be using the mitochondria a lot to help produce energy for contracting/relaxing).
hope this helped bestie!<3
Answer:
tissues in the body have cells that perform different functions to contribute to the overall well-being of the organism.
Explanation:
Cell specialization is important because each cell has a specific function that helps ensure that all of the tissues can fulfill their specific roles.
Can an objects mechanical energy be equal to its gravitational potential energy?
Answer:
Yes
Explanation:
Because if an object falls, it gives up its gravitational potential energy. The gravitational force does work on it, and speeds it up.
Answer:
yes
Explanation:
if an object does not have kinetic energy, meaning, it is not moving, its mechanical energy would be equal to its gravitational energy.
A woman who has had five preganacies tests positive for HIV by Western blot. What is the most likely reason for this result
Explanation:
Multiparous women often have HLA antibodies. The Western blot antigens are derived from HIV grown in human cell lines having HLA antigens. A cross reaction with HLA antigen(s) in the Western blot could have occurred.
Which cranial nerves are able to send impulses toward and away from the Central Nervous System?
Answer:
A. Mixed nerves is correct
Explanation:
Mixed nerves ( = both Motor/efferent & Sensory/afferent)
Efferent nerves ( = Motor nerves)
Motor nerves ( = Efferent nerves)
Sensory nerves (= Afferent nerves)
Answer : A
Explanation:
Which of the following molecules is broken down in cellular respiration, providing fuel for the cell?.
Plzzzzzzbhelp meeeee plzzzzzzz
Answer:
I'm gonna bet on house
Explanation:
_____ cells are long to carry impulses quickly from one place to another
Answer:
Neuron cells
Explanation:
Neurons use axons to carry nerve impulses
Answer:
i thinks they are called neurons/nerve cells
Explanation:
5. Based on the data in Table 1, which of the following is the earliest time point at which there is a statistical
difference in average pH between the control and treatment groups?
(A) 5 minutes
(B) 15 minutes
(C) 20 minutes
(D) 35 minutes
Answer:
the correct answer is d
Explanation:
what is the importance of predation in an ecosystem
Answer:
Without predatation, things wouldn't eat each other.
Rabbits won't eat grass, Wolves won't eat Rabbits, and so on...
If it were to continue this way there wouldn't be a single animal on this planet. (everything living except plants that only rely on the sun.)
It's a food chain. A CHAIN. Each varible depends on each other.
And a food chain has a direct impact on the ecosystem.
For example:
No rabbits mean there is so many grass and carrots left behind
No wolves means there are too many rabbits
So that means
No wolves
Whatever eats the wolves wont be alive
Whatever eats THAT wouldn't be alive
Which of the following nerves is responsible for your sense of smell?
Answer:
d. Olfactory nerve
Explanation: is correct
Answer:
D) Olfactory nerve
Explanation:
The olfactory nerve is the first cranial nerve (CN I). It is a sensory nerve that functions for the sense of smell.
Hope this helps :)
when the lac repressor protein binds to lactose, why does it fall off its binding site at the operator?
Answer:
English is not my native language so sry if there's any grammaticaly mistake
Explanation:
cuz it changes its shape and forme u got that?!
Lactose falls off its binding site at the operator because the allolactose binds to the repressor causing it to fall off the operator side.
What do you mean by Lac repressor?Lac repressor prevents the transcription of genes involved in lactose utilization in E. coli, such as lac genes.
When lactose becomes available a small amount of it is taken up by lactose permease and converted to allolactose by the enzyme beta-galactosidase.
Therefore, Lactose falls off its binding site at the operator because the allolactose binds to the repressor causing it to fall off the operator side.
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What is Cost ?
[tex] \\ \\ [/tex]
Answer:
[tex] \: [/tex]
Cost : The expenditure incurred by a producer on the factor as well as non-factor inputs for a given amount of output of a commodity.
In accounting, costs are the monetary value of expenditures for supplies, services, labor, products, equipment and other items purchased for use by a business or other accounting entity.
Explanation:
-,-
What are the 3 domains of life? Provide an example for each
What happens to the peak wavelength in the blackbody spectrum as the temperature of a star increases?
A. The peak wavelength decreases.
B. The peak wavelength increases.
C. The peak wavelength doesn't change.
D. The peak wavelength decreases and then increases
Answer:
D
Explanation: the peak wavelength in the blackbody decreases
What does the nucleus do.
Select the correct answer from the list. In frost wedging, a crack expands when water ________ . When the water ______ it can seep into new fissures in the rock.
Answer:
freezes. melts/thaws
Explanation:
In frost wedging, a crack expands when water freezes. When the water melts/thaws it can seep into new fissures in the rock.
What is frost wedging?Water that seeps into cracks and freezes expands, resulting in frost wedging also known as ice wedging. The growth causes the fissures to widen. How often something freezes and thaws affects how effective frost wedging is.
During the "frost wedging" process, water seeps into rock fractures, causing the gaps to widen when the water expands upon freezing. The effectiveness of frost wedging is influenced by how frequently it freezes and thaws.
Frost wedging is a type of physical weathering in which rocks are degraded by the cycle of freezing and thawing.
Thus, Banks are filled above.
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where does sperm production occur within the testis?
Answer:
seminiferous tubules
Explanation:
Sperm production happens in coiled structures known as seminiferous tubules.
Can somebody finish these last three questions(20 points)
Answer:
the two variables are 27 and 30
the unit for time is second
the unit for temperature is kelvin
Explanation:
hope this will help you
What are the 6 kingdoms of life? Provide an example for each.
Answer:
Archaebacteria
Archaebacteria are the most recent addition to the kingdoms of organisms. Their existence was not discovered until the 1980s. However, Archaebacteria are the oldest known living organisms. They are single-celled and thrive in extremely hot boiling water found in environments like volcanic thermal vents in the ocean and hot springs like the geysers at Yellowstone Park. Some species also live in very salty environments such as The Dead Sea and The Great Salt Lake.
Eubacteria
Eubacteria are also single-celled bacterial organisms. This kingdom makes up most of the bacteria in the world. Eubacteria are very common and well-known to us as parasites like Streptococci which causes strep throat. However, these bacteria also help produce many antibiotics, vitamins and yogurt.
Fungi
The Fungi kingdom is recognizable to us as mushrooms, molds, mildews and yeasts. Unlike the organisms in the Archaebacteria and Eubacteria kingdoms, Fungi are multi-celled organisms. Early scientists classified mushrooms and other fungi in the Plant kingdom but they do not produce their own food as plants do.
Protista
Protista or Protozoa are single-celled organisms, but are more complex than single-celled bacteria. The Protista kingdom includes algae and slime molds. Any microscopic organism that does not fall into the bacterial, fungi, plant or animal kingdoms is considered a part of the Protista kingdom.
Plants
The Plant or Plantae kingdom encompasses all flowering plants, mosses and ferns. Plants are multi-celled, complex organisms and are considered Autotrophic. This means that plants create their own food through photosynthesis. The Plant kingdom is thought to be the second largest with over 25,000 known species.
Animals
The largest kingdom of organisms is the Animal or Animalia kingdom. This kingdom is made up of complex, multi-celled organisms ranging from sea sponge colonies to elephants. All organisms in the Animal kingdom are Heterotrophs meaning, unlike plants which produce their own food, animals feed upon other organisms. The Animal kingdom is the world's largest with over one million known species.
In complete sentences, answer the following questions
"How do our cells turn food into energy? Include an
explanation of what reactants and products are present in
this reaction, and provide real world examples of this
process
Answer:
It is important to know that the chemical reactions of metabolic pathways help our cells to turn food into energy.
Explanation:
The food we consume provides our cells with the energy required to carry out bodily functions, just as light energy provides plants with the means to create the chemical energy they need.
What are the four functions of lipids
Answer:
Store Energy – When we take in more energy than we need, the body stores it as adipose tissue (fatty tissue, which we call fat).
Regulate and Signal – Lipids regulate the temperature of your body, keeping it steady, not too hot, and not too cold.
Insulate and Protect – Our bodies are padded with fat, protecting us from everyday friction.
Aid Digestion and Increase Bioavailability – When food breaks down in the gut, fat is released and combines with fat-soluble nutrients
Explanation:
Which statement describes the way the paramecium reproduces asexually
A,it happens by cell division that include mitosis.
B,it happens by the formation of gametes.
C,it happens by cell division that include meiosis.
D.it happens by fertilization of an egg by sperm.
The statement that describes the way the paramecium reproduces asexually is as follows: it happens by cell division that include mitosis (option A).
What is asexual reproduction?Asexual reproduction is one of the two types of reproduction that involves neither meiosis nor fusion of gametes.
This means that in asexual reproduction, new offsprings are produced by a single parent. The new individuals produced are genetically and physically identical to each other i.e., they are the clones of their parents.
This is possible because the single parent cell divides mitotically to produce identical daughter cells.
Therefore, option A is correct regarding the way paramecium reproduces asexually.
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pls help im stuck on this question
Answer:
A- cellular respiration : carbon dioxide
Explanation:
This question is looking for byproducts ie Photosynthesis produces Oxygen. Cellular respiration produces Carbon Dioxide. Hopefully I was able to help you!
Where does fermentation occur.
29. The ABO blood type gene is an example of which means that heterozygous display two phenotypes at the same time.
A. Fading
B.Incomplete dominance
C. Codominance
D. Advanced hybridism
Organisms require a variety of chemical nutrients, such as ______, which are components of proteins, nucleic acids, and ATP.
Organisms require a variety of chemical nutrients, such as NITROGENOUS, which are components of proteins, nucleic acids, and ATP. It is an essential element for life.
Nucleic acids, either DNA or RNA, contain nitrogen in the nitrogen bases of their nucleotides (i.e., Adenine, Guanine, Cytosine and Thymine, Uracil).
Adenosine triphosphate (ATP), the energy coin of the cell, contains nitrogen in its Thymine nitrogen base.
Finally, proteins are made of amino acids, whose building blocks are carbon, hydrogen, oxygen and nitrogen atoms.
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Human cells have 46 chromosomes. By the end of interphase, how many chromosomes are present in one cell.
Answer:
After replication there are a total of 46 chromosomes, with 92 individual chromatids, in each cell