Which best defines homeostasis?
Maintenance of a stable state.
Maintenance of a person's body temperature.
Maintenance of the heart's pulse.
Maintenance of a person's happiness
Answers
B) Maintenance of a person's body temperature.
Related Questions
Eukaryotic cells store their dna in the form of linear chromosomes. This creates problems for replication of dna at the ends of the chromosomes because.
Answers
Answer:
DNA polymerase can only synthesize DNA in the 5' to 3' direction.
Explanation:
I did this already. "If it is a written answer, make sure you change wording!"
please click thanks & rate! also, brainliest ?
when situations cause spontaneous depolarization of cardiac muscle or abnormalities of the conduction system, what may occur
Answers
When situations cause spontaneous depolarization of cardiac muscle or abnormalities of the conduction system, it may result in arrhythmias, such as tachycardia or bradycardia.
Arrhythmias can occur when the normal electrical impulses that coordinate the heart's rhythm are disrupted. Spontaneous depolarization of cardiac muscle refers to the generation of electrical impulses by cardiac cells outside of the normal conduction pathway, leading to irregular heartbeats. This can result from factors like abnormal automaticity or triggered activity.
Abnormalities in the conduction system, including impaired impulse formation or conduction block, can also disrupt the normal heart rhythm. For instance, if the atrioventricular (AV) node fails to transmit the electrical signal properly from the atria to the ventricles, it can cause bradycardia or heart block.
These disturbances in the heart's electrical activity can affect the heart's ability to pump blood effectively, leading to symptoms like palpitations, dizziness, shortness of breath, and in severe cases, loss of consciousness or cardiac arrest. Prompt medical evaluation and management are necessary to address these cardiac rhythm abnormalities.
learn more about arrhythmias here:
https://brainly.com/question/32276512
#SPJ11
please help !! I don’t know the answer !!
Answers
Answer:
I am pretty sure it is A or D sorry if this does not help
In a certain plant, yellow petals are dominant over pink petals. If you crossed
a pure-breeding plant that produced yellow petals with a pure-breeding plant
that produced pink petals to produce 400 offspring, which of the following
results would you expect?
A. 294 offspring will have yellow flowers, and 106 will have pink
flowers.
B. All 400 offspring will have pink flowers.
C. 200 offspring will have yellow flowers, and 200 will have pink
flowers
D. All 400 offspring will have yellow flowers.
Answers
Because yellow is more dominant so it’s more common for offsprings to have yellow petals but some of the offsprings will also take some traits of the pink petals so it’s A!
Will Give Brainliest
Which of the following events would most likely contribute to lowering the carrying capacity of a population?
A.
an increase in the water supply in the habitat
B.
a decrease in habitats due to human development or natural disasters
C.
an increase in the number of predators who eat the animal
D.
a decrease in the number of females in the population
Answers
Answer:
a decrease in habitats due to human development or natural disasters
Explanation:
its right and brainliest
Answer:
For the other person to get Brainliest
Complete the complementary strand of DNA, using the same symbols for phosphates (circles), sugars (pentagons), and bases. Mark the 5' and 3' direction of the strands,
Drag the appropriate labels to their respective targets. Terms can be used once, more than once, or not at all
Answers
About the question:
You will find the completed strand in the attached files
Answer and Explanation:
First, we need to recognize each strand, the original one and the complementary one. We can recognize the original strand because bases are already given. So,
The original strand is the one at the left,The complementary strand is the one at the right.Now we need to recognize and pair the bases. Names are written with their letters.
Nitrogenated bases that form nucleic acids correspond to purines and pyrimidines. Adenine and guanine derive from purines, while Thymine and Citocine derive from Pyrimidines.
In the DNA molecule, Adenine (Purine) forms pairs with Timine (Pyrimidine), while Guanine (Purin) pairs with Cytosine. Two hydrogen bonds join the A-T pair, and three hydrogen bonds join the G-C.
Once we drag the base labels to their targets, we need to recognize each of the strain extremes.
One of the extremes has a phosphate group, which is named 5´. The other extreme has a hydroxyl OH named 3´. Both of them are readen in the 5´to 3´ direction. The polymerase enzyme reads the original strand in 5´ to 3´ mode, and the molecule lecture goes from 3´to 5´.
So, by looking at the labels, we will recognize the phosphate extreme and the hydroxyl one. We will place in the superior extreme of the original strain the phosphate group 5´ and in the other extreme the OH 3´. These positions will give us the direction reflected by the arrow. The complementary strand will have the same extreme labels but in opposite places. So first we will place the OH 3´ label in the superior extreme, and the phosphate 5´label in the inferior extreme, defining the direction reflected by the arrow.
A 0.057 kg tennis ball and a tennis racket collide. The racket has an initial
momentum of -3.15 kg-m/s and a final momentum of -2.21 kg.m/s. The ball
has an initial momentum of 0.03135 kg.m/s. If you assume the collision is
elastic, what is the final velocity of the ball?
A. -15.94 m/s
B. -93.55 m/s
C. -0.90 m/s
D.-5.33 m/s
Answers
Answer:15.94 m/s
Explanation:
Apex
Answer:-15.94m/s
Explanation:
What happens when you get a brain concussion?
Answers
Answer:
A concussion is a traumatic brain injury that affects your brain function. Effects are usually temporary but can include headaches and problems with concentration, memory, balance and coordination. Concussions are usually caused by a blow to the head.
Explanation:
Explanation:
Some signs of confusing includes
Slurring words or incoherent speech . Lacking awareness of location or time.hope these helps you dear bhabi ji.
In early embryonic development, mesoderm cells along the dorsal longitudinal axis come together to form the dorsal supporting rod, called the:________
Answers
In early embryonic development, mesoderm cells along the dorsal longitudinal axis come together to form the dorsal supporting rod, called the notochord.
The notochord is the chordate's defining structure and plays a crucial role in vertebrate development. It fills in as a wellspring of midline flags that example encompassing tissues and as a significant skeletal component of the creating undeveloped organism.
The notochord is a long, rodlike design that creates dorsal to the stomach and ventral to the brain tube. The notochord is mostly made up of a glycoprotein core that is enclosed in a sheath of collagen fibers that are wound into two opposite helices. The glycoproteins are kept in turgid, vacuolated cells.
Know more about notochord:
https://brainly.com/question/33453531
#SPJ11
Heart is slightly tilted towards right. Give reason.
Answers
Answer:
The heart is slightly tilted towards the left side because of the larger size of the right lung than left lung. This provides enough space for the heart to work properly and pump blood efficiently to different parts of the body. ... heart is tilted towards left not towards right
Answer:
I thought it was more tilted to the left because the right lung is bigger than the left
Explanation:
Which statement best describes cancer cells?
They grow as a single layer of cells.
They cease to reproduce after 20–50 mitotic divisions.
They reproduce only when needed to replace missing cells.
They are not regulated by contact inhibition.
Answers
The statement "they are not regulated by contact inhibition" best describes cancer cells. Thus, the correct option is D.
What is a Cancerous cell?A cancerous cell may be defined as a cell that stimulated continuous growth, inhibition of apoptosis, perform metastasis, etc.
Contact inhibition is performed by the noncancerous cells to cease proliferation and growth when they contact with each other. This property is lost when any noncancerous cell is transformed into a cancerous cell.
Thus, the correct option for this question is D.
To learn more about Cancerous cells, refer to the link:
https://brainly.com/question/373177
#SPJ1
An element with 53 protons and 7 valence electrons
Answers
Answer:
The element with 53 protons is iodine (I).
In the ground state, iodine has 7 valence electrons in its outermost shell, specifically in the 5p orbital. The valence electrons are the electrons involved in chemical bonding, and the number of valence electrons determines the element's reactivity and the types of chemical reactions it can undergo.
Therefore, the element with 53 protons and 7 valence electrons is iodine (I).
How have modern advancements allowed this modern-day scientist to do research in a way that Darwin couldn’t?
Answers
Modern advancements have enabled this modern-day scientist to conduct research in a manner that Charles Darwin couldn't. These advancements have revolutionized various aspects of scientific investigation, providing scientists with unprecedented tools and opportunities for discovery.
1. Technological Innovations: The development of advanced laboratory equipment and tools has significantly enhanced the scientist's ability to analyze and manipulate biological samples. From high-resolution microscopes to gene sequencing machines, these advancements allow for a more detailed examination of organisms and their genetic makeup.
2. Computational Power: The availability of powerful computers and sophisticated algorithms has transformed the field of data analysis. Modern scientists can process vast amounts of genetic data, run complex simulations, and perform intricate statistical analyses. This computational power allows for more precise and comprehensive investigations, enabling them to uncover patterns and relationships that Darwin could only dream of.
3. Collaborative Research: The advent of the internet and digital communication has facilitated global collaboration among scientists. They can share data, exchange ideas, and work together on projects regardless of geographical barriers. This collaborative approach leads to a collective accumulation of knowledge and accelerates the pace of scientific discovery.
4. Access to Information: The digital age has made a wealth of scientific literature and research readily accessible. Scientists today can access an extensive database of previous studies, allowing them to build upon existing knowledge and make more informed hypotheses. Darwin, on the other hand, had limited access to scientific literature and relied mostly on firsthand observations.
5. Interdisciplinary Approaches: Modern scientists have the advantage of interdisciplinary collaboration, combining knowledge and techniques from multiple fields. By integrating biology, physics, chemistry, and other disciplines, researchers can approach problems from different angles, leading to deeper insights and innovative solutions.
In summary, modern advancements in technology, computation, collaboration, and access to information have empowered today's scientists to conduct research in ways that were unimaginable during Darwin's time. These advancements have expanded the scope of investigation, increased precision, and accelerated the pace of scientific discovery.
For more such questions on scientists, click on:
https://brainly.com/question/29703343
#SPJ8
Long ago, the tree of life was seen as having five branches.
True or False?
Answers
Answer:
false, hopefully iss right
) The basic structure of cell membranes consists of A) phospholipid micelles studded with proteins. B) protein micelles studded with phospholipids. C) protein bilayers studded with phospholipids. D) one protein layer and one phospholipid layer. E) phospholipid bilayers studded with proteins.
Answers
The basic structure of cell membranes consists of phospholipid bilayers studded with proteins.
What are cell membranes?A cell membrane is a vital cell organelle that is responsible for maintaining the cell's structural integrity, controlling the movement of molecules in and out of the cell, and regulating cell-cell interactions, among other functions. The cell membrane is composed of a lipid bilayer with proteins embedded in it that float freely or are anchored to it.
What is the structure of cell membranes?The basic structure of cell membranes consists of phospholipid bilayers studded with proteins. The membrane is made up of two layers of lipids, which have a hydrophilic (water-loving) head and a hydrophobic (water-hating) tail. The head of each layer is oriented toward the exterior of the cell, where it can interact with water, while the tails are oriented toward the interior of the membrane, where they interact with each other. The proteins in the membrane are either integrated into the lipid bilayer or attached to the surface.
What are the functions of cell membranes?The following are some of the functions of the cell membrane:
Controlling the movement of molecules in and out of the cellMaintaining the cell's structural integrityRegulating cell-cell interactionsActing as a selective barrier to the passage of materials into and out of the cellProtecting the cell from its environment by acting as a protective barrier.To know more about cell membranes, refer to the link below:
https://brainly.com/question/13524386#
#SPJ11
Kate and Sam are using a scanning electron microscope to study photosynthesis in algae. Which is a benefit of this type of microscope compared to
a light microscope?
Answers
Answer:
B. Produces highly magnified images
Explanation:
Trust me
Kate and Sam are using a scanning electron microscope to study photosynthesis in algae, and the benefit of using this type of microscope rather than a light microscope is that the scanning microscope gives clearer details of the process.
What are the benefits of using a microscope?The microscope gives a better view of the smaller things, and there are different types of microscopes, such as the light microscope, the electron microscope, etc., and other high-quality microscopes that are helpful for the better viewing of the samples. The light microscope has a lower magnification range than the electron microscope, and the species can be better viewed in the electron microscope. Depending on the application, different microscopes should be used, and photosynthesis can be seen better in a scanning microscope than in a light microscope.
Hence, the benefit of using this type of microscope rather than a light microscope is that the scanning microscope gives clearer details of the process.
Learn more about the microscope here.
https://brainly.com/question/18661784
#SPJ5
Dani needs to draw a diagram of the process of photosynthesis for
homework. She begins by writing the equation for photosynthesis. Which
of the following correctly shows the overall process of photosynthesis?
Glucose + oxygen + light energy
carbon dioxide + water
Glucose + water + light energy → carbon dioxide + oxygen
Carbon dioxide + water + light energy → glucose + oxygen
Carbon dioxide + oxygen + light energy – glucose + water
Answers
Answer:
C
Explanation:
Carbon dioxide + water + light energy = glucose + oxygen
Design a bark-feeding mammal that burrows its way from tree to tree.
What adaptions would you give it to protect it from predators ?
Answers
Answer:
Sharp teeth and sharp claws so it can shred away the bark, and help for attacks
Good hearing and ears to be aware of noise in their surroundings
Vector contact involves contact with __________. a. an infected surface b. contaminated water c. an infected organism d. a carrier organism please select the best answer from the choices provided. a b c d
Answers
Vector contact involves contact with an infected organism. Details about vectors can be found below.
What is a vector?A vector is a carrier of a disease-causing agent or pathogen.
This means that a vector must come in contact with an infected organism to carry the disease-causing organism.
An example is the case of mosquitoes, which carries plasmodium pathogen that causes malaria when it feeds on an infected organism.
Therefore, vector contact involves contact with an infected organism.
Learn more about vectors at: https://brainly.com/question/13322477
#SPJ4
Which of the following materials is the least porous?
1. loosely packed gravel 2.sorted sand and rock 3.unsorted sand and rock 4.large pebbles and boulders
Answers
Answer:
3.unsorted sand and rock
my answer, but I'm sorry if I'm wrong
What criteria and constraints do engineers need to consider when designing and consructing a physical reef model
btw this is for science
Answers
Calcium carbonate is produced by marine animals, primarily hermatypic corals, crustose coralline algae, and other calcifying algae, to create the physical foundation of coral reefs.
What is the coral reef model?The reef is a blockchain for smart contracts created with the Substrate platform.
Reef Chain's strong scalability, support for Solidity and Ethereum VM, and low transaction costs make it possible for developers to easily move their decentralized applications (dApps) from Ethereum without having to change the code.
Therefore, they also require enough sunlight, a hard bottom no deeper than 165 feet (50 m), some current or upwelling, and somewhat clear water for the corals to live in.
To learn more about the reef model, refer to the link:
https://brainly.com/question/11560596
#SPJ1
10 differentiate between sublime and distillate
Answers
Answer:
distillate is the liquid that has been condensed from vapour during distillation; normally a purified form or a fraction of an original liquid while sublimate is (chemistry) a product obtained by sublimation.
Explanation:
hope it becomes helpful to you ☺️☺️
good luck
Answer:
Distillation is a method of separating mixtures based on differences in volatilitilies of components in a boiling liquid mixture. Sublimation : Sublimation is the process of transition of a substance from the solid phase to the gas phase without passing through an intermediate liquid phase .
Which term best describes DNA replication?
Multiple "bubbles" form in the DNA that proceed with replication in both
directions from the bubble.
A single "bubble" forms in the DNA that proceeds with replication in a single
direction from the bubble.
DNA polymerase adds nucleotides to each separated strand of the DNA
molecule at the replication fork replicating two leading strands at one end of
the bubble and two lagging stands at the other side of the bubble.
Replication occurs at a single replication fork that replicates
leading strands in the same direction.
ing and
Answers
During DNA replication, there is a formation of multiple bubbles in the DNA that proceed with replication in both directions from the bubble.
DNA replication can be defined as the process by which a particular organism replicates its DNA. DNA replication plays a very important role in the process of reproduction and inheritance in living beings.
The two strands, which are the leading as well as the lagging strand, of the DNA run in opposite directions from each other and hence they must be constructed in different ways. The DNA replication in case of eukaryotes is multi-replicon which means that there a number of different origins of replication and hence multiple replication bubbles are formed which allow the replication of the DNA strand.
To know more about replication bubbles here
https://brainly.com/question/8185932
#SPJ4
The mass of an object as it moves away from the center of the earth
Answers
Hi there!
The mass of an object stays constant no matter where it is. Therefore, the mass of an object as it moves away from the center of the earth stays the same.
I hope this helps! Let me know if I can clarify.
Will give brainliest if you give the correct answer!
What similarities and differences do you see between the organisms in image 1?
Answers
Answer:
The similarities I see is that all organisms are standing on two feet, they have the same stance, and all have two feet and two arms.
The difference I see is the shape of the skull and the height.
Explanation:
I hope I have helped
PLEASE ANSWER
Which has been observed in the study of embryology?
A:Species whose embryos have similar traits rarely have a common ancestor.
B:Species whose embryos have similar traits always have similar body forms as adults.
C:All traits present in early embryos remain throughout development.
D:Some traits in certain embryos disappear as the embryo develops.
Is it A,B,C, or D
Answers
Answer:
D: Some traits in certain embryos disappear as the embryo develops.
Explanation:
Please tell me if I'm wrong
Answer:
D
Explanation:
Edge 2022
A class is debating the advantages and disadvantages of different types of reproduction. One student argues that organisms that reproduce asexually, like bacteria, have no advantage over organisms that reproduce sexually.
Which of the following choices below represents an argument for the advantages of asexual reproduction?
A. Organisms that reproduce asexually are likely to find a mate at a faster rate than sexually reproducing organisms, which allows them to reproduce faster.
B. Organisms that reproduce asexually are more diverse and are more likely to pass on key genes for survival to future generations, which aids in maintaining beneficial genes for survival in the gene pool
C. Organisms that reproduce asexually gain variation through processes like crossing over, which allows survival in instances of ecological change
D. Organisms that reproduce asexually create a large amount of offspring in a short period of time in order to maintain their population
Answers
Answer: D. Organisms that reproduce asexually create a large amount of offspring in a short period of time in order to maintain their population.
Explanation:
When an organism is able to reproduce asexually as opposed to sexually, it means that they do not require a mate to make offspring. Offspring of such organisms will therefore receive all their genes from one source.
Such organisms are able to reproduce very fast when they are presented with adequate conditions especially because they do not need another organism to do so. They will neither have to waste much energy nor have to go through the whole sexual process so they will be able to produce lots of offspring.
Animals are known to have offspring through asexual and/or sexual reproduction. The choices that has an argument for the advantages of asexual reproduction is that Organisms that reproduce asexually create a large amount of offspring in a short period of time in order to maintain their population.
Asexual reproduction is simply known as a type of reproduction where offspring are genetically identical to the parent.The offspring are regarded as clones that derives its root from the original parent.
A single individual can have offspring asexually and also in large numbers quickly.
Learn more from
https://brainly.com/question/13513444
Which of the following is characteristic of complete antigens?
A) reactivity with an antibody
B) contain many repeating chemical units
C) inhibit production of antibodies
D) small molecules
Answers
Reactivity with an antibody is characteristic of complete antigens. Option (A) is correct.
Complete antigens are substances that are capable of eliciting an immune response in an organism. They possess certain characteristics that allow them to be recognized by the immune system and trigger an immune response. One of the defining characteristics of complete antigens is their reactivity with antibodies. Antibodies, also known as immunoglobulins, are proteins produced by the immune system in response to the presence of antigens.
When a complete antigen enters the body, it binds to specific receptors on immune cells, such as B cells. This binding activates the immune response, leading to the production of antibodies that specifically target and neutralize the antigen. The reactivity between complete antigens and antibodies is crucial for the immune system's ability to recognize and eliminate foreign substances, such as pathogens or foreign proteins.
Therefore, the correct option is (A).
To learn more about antigens here
https://brainly.com/question/15694610
#SPJ4
Complete antigens are characterized by their reactivity with an antibody due to the presence of epitopes. They are complex, large protein molecules that can prompt an immune response independently.
Explanation:The characteristic of complete antigens is option A) reactivity with an antibody. Complete antigens are complex molecules that are typically large proteins, and they have the ability to prompt an immune response by themselves. They contain epitopes, or antigenic determinants, which are the specific parts of the antigen that antibodies bind to. Their complexity and large size enable them to be recognized and remembered by the immune system. For this reason, the immune system can respond more quickly and efficiently to future encounters with the same antigen.
Learn more about Complete Antigens here:https://brainly.com/question/33711122
#SPJ11
separation of the sister chromatids is a characteristic of which stage of mitosis? group of answer choices prometaphase metaphase anaphase telophase
Answers
The separation of sister chromatids is a characteristic of the anaphase stage of mitosis.
Mitosis is a type of cell division that produces two genetically identical daughter cells. Mitosis is essential for growth, repair of damaged tissues, and asexual reproduction. It is divided into four stages: prophase, metaphase, anaphase, and telophase. Chromosomes become visible in prophase.
Prophase: The chromosomes condense, the nuclear envelope disintegrates, and spindle fibers start to form. Metaphase: The chromosomes line up at the equator of the cell, called the metaphase plate.Anaphase: The sister chromatids separate at the centromere and are pulled to opposite poles by the spindle fibers.Telophase: The chromosomes reach the poles, the nuclear envelope reforms, and the spindle fibers disintegrate. The cell then undergoes cytokinesis, dividing the cytoplasm and creating two daughter cells.Learn more about mitosis-
https://brainly.com/question/796780
#SPJ11
what makes the visible light microspectrophotometer a useful tool with which to analyze fibers the pyrolysis products generated are used to chemically identify polymer type.
Answers
A microspectrophotometer that combines a microscope and a spectrophotometer is an effective tool for analyzing the pyrolysis-derived fibres.
In the forensic examination of numerous types of trace evidence, the visible microspectrophotometer is a very helpful tool. In order to record the light absorption characteristics of a very small sample, it combines a microscope with a spectrophotometer. microspectrophotometer is a very helpful tool.
Without reacting with oxygen or any other oxidants, pyrolysis is the heat breakdown of a solid (or a liquid) into smaller volatile molecules. The majority of solid fuels require pyrolysis in order to burn. As temperature rises, pyrolysis proceeds more quickly. The substance that is subjected to pyrolysis undergoes a chemical transformation.
Learn more about microspectrophotometer here
https://brainly.com/question/13873771
#SPJ4