When water freezes, it .
Expands
Contracts

Answers

Answer 1
When water freezes it expands
Answer 2
It expands when frozen

Related Questions

What distinguishes the sciences from other ways (methods) of understanding the world?

Answers

1. Quantification
2. Varification
3. Replication

Both the scientific method and other ways rely upon observation, however, the scientific method yields answer which can be measured, the data examined by others for accuracy and the results have proven to be reliable by other people's observations, replications.

The nurse is providing discharge instructions to the parents of a child who has undergone surgical correction of hypospadias. what is the priority information for the nurse to include?

Answers

Hypospadias is a condition in males where the opening of the urethra is a the bottom of the penis. This results in the following complications which should be reported immediately:

When the temperature is greater than 101 °F

Excessive bleeding (some spotting or blood stains on the dressing is normal)

Extreme irritability

Excessive pain

Increasing redness of the penis

Disinterest in eating and drinking (particularly after 24 hours)

Continuous vomiting

Change in urination

Difficulty urinating (pushing when he urinates)

The nurse's priority when providing discharge instructions after hypospadias surgery is to ensure the parents understand the post-operative care requirements, the significance of psychosocial support concerning gender identity, and to address patient privacy with sensitivity.

The nurse is responsible for providing comprehensive discharge instructions to the parents of a child who has undergone surgical correction of hypospadias. It is crucial to review key concerns for the recovery and care of the patient, which include monitoring the surgical site for signs of infection, managing pain, understanding any prescribed post-operative medications, and recognizing when to contact healthcare providers for complications. Considering the sensitivity of the procedure and the child's condition, the nurse should emphasize the importance of supporting the child's psychosocial development and addressing any issues related to cultural, spiritual, sexual, and gender identity appropriateness and privacy. Parental guidance must be nurturing and informative, aimed at helping the child feel comfortable with their body while ensuring proper healing and recovery.

Additionally, questions related to patient privacy and the rights of patients, particularly when dealing with minors and intersex children, must be delicately balanced with parental involvement. The healthcare team, including the surgeon, nurse, and anesthesia professional, should collaboratively discuss the pertinent details and create an individualized discharge plan that respects the child's dignity and supports their overall well-being.

Use rhino to build a word that means surgical repair of the nose:

Answers

Rhinoplasty means surgical repair of the nose

It would not have occurred to her that an action which is ineffectual thereby becomes meaningless. what action is winston recalling?why is this gesture important to winston

Answers

Based on the statement mentioned above,  Winston is alluding to his mom. His mom's sentiments had a place with an alternate time. Dedication, cherish, honorability was altogether intended to her despite the fact that they won't influence the result of a given circumstance.

Winston recalls a gesture from Julia in Orwell's 1984, where she brushes away a piece of dust. To Winston, this small act of normalcy and affection is deeply meaningful, symbolizing rebellion and connection in a controlled society.

The action Winston is recalling occurs in George Orwell's novel 1984. He recalls a time when Julia, his lover, made a gesture that seemed to be ineffectual but was deeply meaningful to him. Specifically, Winston remembers Julia calmly brushing away a piece of dust from the corner of a page in the book she was reading.

Winston finds this gesture important because it symbolizes normalcy, intimacy, and rebellion within a society that suppresses individual expression and affection. Although brushing away dust may seem like a trivial act, to Winston it represents a small yet significant act of defiance against the Party's attempts to control every aspect of their lives.

In a broader sense, this gesture is crucial to Winston because it reinforces his connection with Julia and his sense of humanity, which the Party strives to obliterate.

Anaerobic exercise, such as weight training. does not burn as many calories as aerobic exercise

Answers

is this a question or a statement ?????

What is one essential amino acid which cats cannot produce but dogs can?

Answers

The essential amino acid for cats but not dogs is taurine. Taurine is an amino acid that is essential in the process of metabolizing fats. Cats need twelve essential amino acids compared to eleven needed by dogs. The deficiency of this amino acid is most diagnosed in cats ad it generally leads to blindness, deafness and heart failure in felines. 

Which of the following balances is affecting by the local force of gravity

Answers

Please give me the options.

Indicate two of the several mechanisms by which antibodies directly render

Answers

1. neutralization
In neutralization, the antibody will bind to the antigen so that it will not be able to bind to the cells. This will stop the antigen to damaging the cells.

2. agglutination
The antibody will bind to multiple antigens, make them into a big clump that was easier to be phagocytosis. This will make the clearance of antigen become faster.

What are all living organisms are composed of ?

Answers

The first characteristic of a living thing is that, they are made up of cells. A cell is the basic building block of all organisms. It is the smallest unit of organization in a living thing. They contain the organism's hereditary information (DNA) and can make copies of themselves in a process called mitosis.
Final answer:

All living organisms are composed of cells, which themselves are formed of combinations of atoms. At a more fundamental level, living matter is composed of elements such as carbon, hydrogen, nitrogen, oxygen, sulfur, and phosphorus, corresponding to the fundamental components of living matter like nucleic acids, proteins, carbohydrates, and lipids.

Explanation:

All living organisms, from bacteria to humans, are made up of the basic unit of life, known as cells. Cells are both the smallest units of living matter and come in various sizes and shapes. They are often too small to be seen without a microscope, but their small size allows for a large surface area-to-volume ratio for efficient exchange of nutrients and wastes with the environment. Cells are classified into three types: archaea, bacteria, and eukaryotes depending upon their complexity.

At a more fundamental level, cells are made of a combination of elements that form atoms. These atoms combine to form molecules. In multicellular organisms, like animals, these molecules can interact to form cells, which then combine to form tissues, which make up organs. This process continues until an entire multicellular organism is built.

Notably, all matter, not only living organisms, is composed of various combinations of elements. Among the most abundant elements in all living organisms are carbon, hydrogen, nitrogen, oxygen, sulfur, and phosphorus. These elements form the nucleic acids, proteins, carbohydrates, and lipids that are the fundamental components of living matter.

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If we add the hydrogen peroxide with a graduated cylinder that had vinegar in it, the sample could get contaminated with a(n) ____. acid base oil all of the above

Answers

The sample could get contaminated with AN ACID.
This is because vinegar is an acid. Using a graduated cylinder that have vinegar in it will contaminate the sample with an acid and the chemical reaction  that the hydrogen peroxide is meant to be used for will be negatively affected as a result of this contamination.

Answer:

acid

Explanation:

White coat syndrome occurs when a patient sees a doctor and exhibits a rise in blood pressure. according to behaviorism, this best demonstrates:

Answers

Classical conditioning. Classical conditioning occurs when we link something usually considered "neutral" with a what is called an involuntary response. An example of this would be a student who begins to fear school because of a bully at school. The student associates school with the bully. A well known example of classical conditioning is Pavlov's experiment with his dogs, where the dogs learned to associate the ringing of a bell with eating meat. The dogs only had to hear the bell (not actually see the meat) in order to begin salivating in anticipation of being given the meat to eat.

What are three structures that are found in plant cells but not in animal cells?

Answers

plant cells have Chloroplast, vacuoles, and a cell wall and animal cells don't.

Two identical twins are raised in different environments. they possess _____ genotypes and _____ phenotypes.

Answers

Same genotype and different phenotypes

Identical genotypes and variable phenotypes

A nurse is caring for a child with tinea pedis. which assessment finding should the nurse expect

Answers

Tinea Pedis is a foot infection that frequently caused by Trichophyton rubrum, it presents with a red scaling rash on the soles of the feet.

The ________ is the part of the brain that holds the hemispheres together

Answers

The corpus callosum is made of nerve fibers, deep in the brain, that connect the twohalves of the cerebral hemispheres.

Why are cohesion and adhesion important to life?

Answers

Since water is attracted to other molecules, adhesive force pulls the water towards other molecules. Water is transported in plants through both Cohesive and Adhesive forces, the forces pull water and resold minerals from the roots to leaves and other parts of the plant. Important because it keeps the plants or trees alive which gives us the ability to breathe
Final answer:

Cohesion and adhesion are vital to life processes, contributing to water transportation in plants and blood movement in animals. Water molecules adhere to one another in a process known as cohesion, whereas they adhere to other substances in a process known as adhesion. Without them, critical life processes would fail to occur.

Explanation:

Cohesion and adhesion are two critical properties of water that play a significant role in life processes. Cohesion refers to the ability of water molecules to stick together, due to their polarity, resulting in phenomena like surface tension. It's vital for the transportation of water in plants where water molecules 'stick' together to form a continuous stream from roots to leaves.

Adhesion, on the other hand, is the ability of water molecules to stick to other substances. It's helpful in various biological processes, like capillary action, where water can move up narrow tubes against the force of gravity. This is crucial for things like blood movement in tiny blood vessels in animals and water movement in plant roots.

Without these two properties, essential life processes might not be able to occur, thus making cohesion and adhesion very important to life.

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When would chromatin be the most tightly coiled?

Answers

Chromatin material is tightly coiled during prophase and they appear like threads having length of 0.25 micrometer to 50 micrometer.

Further details

Chromatin

During mitosis thread like tiny network which is visible only under microscope is called chromatin.

Prophase

It is first stage of mitosis and meiosis in this phase chromatin material get tightly coiled and nucleolus disappears. This phase starts just after interphase.

Mitotic prophase

In animal cells it is very first stage and in plant cells it is 2nd stage. In mitotic prophase chromosomes get condensed, Centromere moves away from each other, mitotic spindle forms and nucleoli disappears.

Meiotic prophase

It comprises two stages

1. Prophase I

2. Prophase II

Prophase II is similar to the mitotic prophase. While prophase I is different from prophase II and is also called prolonged phase or lengthy phase. Chromosomes are in form of pair in each diploid cell one from each parent. G2 phase is absent in prophase I of meiosis. Prophase I is subdivided into following stages given below

1. Leptotetene (chromosome visible)

2. Zygotene (pairing of chromosomes starts)

3. Pachytene (pairing is completed)

4. Diplotene (paired chromosomes start separation)

5. Diakinesis (separation completes which was started in diplotene stage)

Answer details

Subject: Biology

Level: High school

Key words

• Chromatin

• Prophase

• Mitotic prophase

• Meiotic prophase

• Prophase I

• Prophase II

• Leptotetene  

• Zygotene

• Pachytene  

• Diplotene  

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Applicable beyond the time range of radiocarbon dating, amino-acid racemization is used primarily to date samples of

Answers

Amino-acid racemization is primarily used to date samples of bones, applicable beyond the time of range of radiocarbon dating. Amino-acid Racemization, the AAR rates not only change of the temperature but also with the concurrent effects of pH changes. L-amino acid is an example of racemization which is the process in which one enantiomer of a compound.

When the cell begins to synthesize genetic material, it is in _____.

Answers

In the cell cycle, when the cells begin to  produce genetic material its mostly S Phase

Answer:  When the cell begins to synthesize genetic material, it is in S phase ( Synthesis phase ) of Cell Cycle.

Explanation: Cell cycle is process which leads to the synthesis of DNA and

formation to two daughter cells.

Cell cycle include two phases -:

1) Interphase -: It has three phases G1  ( this is gap phase where cell grows make organells ), S phase ( where synthesis of DNA takes place ) and G2 phase ( it is the second gap phase ).

2) Mitotic Phase- Formation of two daughter cells.

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In 1987 a strange nerve disease attacked the people in the Dutch East Indies. The disease was beriberi (pronounced berry-berry). Those who fell ill could not eat and became paralyzed and could not move. Scientists believed the disease may have been caused by bacteria in the blood.
The scientists used “infected” blood as the variable in their experiment. In the manipulated group they injected chickens with blood from beriberi patients. In the control group they did not inject chickens with blood from beriberi patients. The injected chickens became sick. However, so did the group of chickens that were not injected with the blood from beriberi patients. The scientists were confused by these results.
One of the scientists, Dr. Christiaan Eijkman (pronounced Ick–man), noticed something about the experiment. Normally all the chickens eat whole-grain rice, but during the experiment, the chickens ate white rice. Whole-grain rice or brown rice is covered with a seed coat.  The seed coat contains a vitamin called thiamine.  All of the chickens in the experiment ate white rice which does not have the seed coat. Dr. Eijkman researched this interesting case further. He found that white rice lacked thiamine (pronounced thigh–a-mean), a vitamin necessary for good health, which is also linked to beriberi.

question:. If you were Dr. Eijkman, how could you test your hypothesis?

Answers

do a similar experiment where you give one group of chicken the white rice and the other brown rice but you don't inject them with the blood since that will not be needed. repeat the experiment a few times to make sure that the result is correct






Which question is most closely related to the field of biology?

A. How do you design a cheaper automobile?
B. What is the cause of cancer in mice?
C. What is the nearest planet to Earth?
D. How many planets are there in the solar system?

Answers

I think the answer is B. It has to do with life that's why.

What is the cause of cancer in mice? is most closely related to the field of biology.

What is biology?

A study of life is called biology. The Greek terms "bios" and "logos," which both imply "life," are the origin of the word "biology" (meaning "study"). Biologists generally research the composition, function, development, origin, evolution, and distribution of living things.

According to the Encyclopedia Britannica, biology is significant because it aids in our understanding of how organisms function and interact on a variety of levels (opens in new tab).

Researchers have been able to produce more food to feed a growing human population thanks to advances in biology. They have also been able to better understand how plants and animals may respond to environmental change and develop better medications and treatments for diseases.

Therefore, What is the cause of cancer in mice? is most closely related to the field of biology.

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At which stages in meiosis is DNA condensed into chromosome

Answers

Meiosis 1, prophase 1

Answer:

Prophase I stage of meiosis

Explanation:

Meiosis is a kind of cell division that reduces the chromosomal number of the daughter cells by half. Prior to the division of the cytoplasmic content of the cell (cytokinensis), the genetic material (DNA) also needs to be separated.

The DNA is the genetic material that hold information needed for production of certain products in an organism. It is found as Chromatin (which is a complex of DNA wrapped around histone proteins) in an undividing cell. This Chromatin material undergoes condensation and becomes compact to form a visible structure called CHROMOSOME. This condensation of DNA occurs in the Prophase I and II stages of meiosis.

When the pancreas detects a high concentration of the blood’s sugar, glucose, it releases:​
a. ​insulin.
b. ​antibodies.
c. ​adrenaline.
d. ​lymph.
e. ​glucagon?

Answers

A. Insulin
The pancreas mainly the beta cells (one of the islets of langerhans) secretes insulin.
Insulin enhances glucose metabolism, promotes synthesis of proteins from amino acids in the tissues and promotes synthesis of fatty acids from glucose in the adipose tissues

A drug that blocks the action of the neurotransmitter is called _____.

Answers

Final answer:

A drug that blocks the action of a neurotransmitter is called an antagonist, which can decrease neurotransmitter activity by blocking receptors or affecting synthesis.

Explanation:

A drug that blocks the action of the neurotransmitter is called an antagonist. Antagonists are drugs that decrease the activity of particular neurotransmitters by blocking their receptors or interfering with their synthesis. This action prevents the neurotransmitters from binding to the receptors, thus impeding their normal activity.

Psychoactive drugs that act as antagonists may be prescribed to correct specific neurotransmitter imbalances underlying a person's condition. For example, the poison curare is an antagonist for the neurotransmitter acetylcholine; it binds to dendrites, blocking neurotransmitter action and leading to severe consequences such as paralysis or death.

What are the levels of protein structure and what role do functional groups play?

Answers

The levels of protein structures are: PRIMARY, SECONDARY AND TERTIARY STRUCTURES.
The amino acid sequence and the bonding types between the amino acids determine the structures of proteins. Protein structures also determines the function of a protein, if a protein losses its structure it will not be able to perform its function again.
Functional groups play an important role in the formation of protein structure.Functional groups also participates in specific biochemical reactions in the body thus enabling the proteins to perform their functions. 

Final answer:

Proteins have four hierarchical levels of structure: primary, secondary, tertiary, and quaternary, each critical to a protein's function. The primary structure is the sequence of amino acids, secondary structure is formed by local interactions such as alpha helices and beta sheets, tertiary structure is the overall three-dimensional shape, and quaternary structure involves the arrangement of multiple subunits. Functional groups play a crucial role in maintaining the protein's structure at all levels.

Explanation:

Levels of Protein Structure

Proteins have four levels of structure that are critical to their function. The primary structure of a protein is its unique sequence of amino acids. Peptide bonds link the amino acids together and define the order in which they appear in the polypeptide chain. This sequence determines the protein’s complex shape and function.

The secondary structure refers to the local folded structures that form within the polypeptide chain based on interactions between backbone atoms nearby in the sequence. The most common secondary structures are the alpha helix and the beta pleated sheet, which are stabilized by hydrogen bonds. Functional groups along the polypeptide backbone interact to form these regular structures.

The tertiary structure of a protein represents its three-dimensional shape, formed by the entire polypeptide chain including the interactions between a variety of side chains (R groups) from different amino acids. These interactions include hydrophobic interactions, ionic bonds, hydrogen bonds, and disulfide bridges.

Finally, the quaternary structure is the structure of a protein with multiple polypeptide chains or subunits. The arrangement and interaction of these subunits determine the overall shape and function of the protein.

Functional groups in amino acids play vital roles in protein folding and stability at each level of structure. They are directly involved in the formation of hydrogen bonds, ionic interactions, and contribute to hydrophobic effects that are critical in driving protein folding and maintaining the structure necessary for the protein's function.

Cellular respiration mainly occurs in _____. Golgi bodies mitochondria ribosomes cytoplasm

Answers

Cellular Respiration mainly occurs in the Mitochondria.                                                                                                                                                                      So your answer will be B mitochondria!

Answer:

Option). mitochondria.

Explanation:

Cellular respiration can be defined a set of biochemical reactions occur in a cell to provide energy in the form of ATP molecules from complex nutrients. Cellular respiration mainly takes place in the mitochondria.

It is divide into three steps, glycolysis, Krebs cycle, and ETC (electron transport chain). Glycolysis occurs in cytoplasm, but the cellular respiration completes in mitochondria as Krebs cycle and ETC take place in mitochondria.

Thus, the correct option to be filled in the blank is 'mitochondria.'

How is the DNA in a prokaryote different from the DNA in a eukaryote?

A. DNA in prokaryotes floats throughout the cell.
B. They have different numbers of chromosomes.
C. Only prokaryotes are haploid.
D. Eukaryotes do not have chromosomes.

Answers

Option A: The difference between eukaryotic and prokaryotic cells is that eukaryotic organisms have a nucleus surrounded by a membrane, whereas prokaryotes do not. In prokaryotes, DNA is found in a region of the cytoplasm, called nucleotide, unlike the eukaryotic cell, where genetic information is found in the nucleus.

Answer:

A

Explanation:

The very necessary process of breaking down the dead bodies of organisms is a function of

Answers

Decomposition? Maybe...

After the secondary stain has been added, gram-positive organisms are stained __________ and gram-negative organisms are stained _________

Answers

(Assuming that this stain was done with crystal violet and safarin) 

Gram-positive will appear blue to dark purple. 
Gram-negative will appear orange, red, or pink. 

Scientists review the work of other scientists to

Answers

check to see if the data makes sense

Select one:

a. ensure the results are in agreement with accepted scientific beliefs

b. guarantee federal funding by supporting each other's work

c. keep the science community better informed

d. validate the results and check the evidence's reliability

ANSWER

D.

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