What are physical and chemical properties

Answers

Answer 1
physical property: Any characteristic that can be determined without changing the substance's chemical identity. chemical property: Any characteristic that can be determined only by changing a substance's molecular structure.

Related Questions

which enzyme breaks down lipids? which enzyme breaks down fats? which enzyme breaks down proteins?​

Answers

Answer:

lipase enzymes, lipase, proteolytic enzymes

Answer:

for lipids and fat is same enzyme that is lipase enzyme. protease enzyme is for proteins.

What about the structure of DNA allows it to copy itself?
A. It is held together mostly by hydrogen bonds, which are easy to open for replication
B. It has enzymes built into the helix that make a copy when needed.
C. It is double stranded, so each side serves as a template for a new strand.
D. DNA is not copied, it is only passed down through each generation.

Answers

Answer:

C. It is double stranded, so each side serves as a template for a new strand

Explanation:

The structure of DNA is double stranded, so each side serves as a template for a new strand. The correct option is C.

What is DNA replication?

Replication is the procedure by which the DNA of the genetic code is copied in cells.

Before dividing, a cell must duplicate (or replicate) its a whole genome so that each eventually results daughter cell has its own entire genome.

The DNA replicates itself multiple times during the process of replication. It is a biological polymerization that goes through the steps of commencement, elongation, and termination.

The reaction is catalyzed by enzymes. The main enzyme in the process of replication is DNA Polymerase.

DNA replication occurs in eukaryotic cells' interphase nuclei. At the S-stage (synthesizing) of the cell cycle, DNA replication occurs prior to mitosis.

Thus, the correct option is C.

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Organisrns that transfer diseases to hurnans are
O hosts
O pathogens
O parasites
O vectors

Answers

Parasites is correct

give a reason why lack of roughage in diet often leads to constipation

Answers

Answer:

The main cause of constipation is intake of a low fiber diet.the bulk and soft texture of fibre helps prevent hard dry stools that are difficult to pass thereby reducing constipation.

I hope this helps

The most basic organization level of life is a ____________. A. membrane B. tissue C. cell D. organ

Answers

[tex]Hello[/tex] [tex]There![/tex]

The answer is...

C. Cell.

Hopefully, this helps you!!

[tex]AnimeVines[/tex]

Which of the following traits are characteristic of all mammals?

Answers

Mammals are air-breathing, warm-blooded, and have a backbone, yet these characteristics do not distinguish them from the rest of the animal kingdom. Mammals have the ability to regulate their body temperature using their metabolism and sweat glands in a way that no other animal can.

please do mark this as brainliest if it helped!

As water is cooled from 4° C to 0° C, its density
A. stays the same
B. decreases and increases
C. increases
D. decreases

Answers

Answer:

I believe that it increases (becoming more dense)

Explanation:

Well 0°C is freezing point so I think that in that state it will become a solid from a liquid and freeze into ice.

It increases because when you cool water, it’s particles become so close that it’s volume decreases and density increases

What is a community?
1 all the animals that live in a habitat
2 a single species that lives in a habitat
3 all the species that live in a habitat
4 a population that lives in a single habitat

Answers

Answer:

3. All the species that live in a habitat.

A community is where all the species live in a habitat. Hence the correct option is 1.

A community is an ecological term that encompasses all the different species of organisms that coexist and interact within a specific habitat or geographic area. It includes plants, animals, fungi, and microorganisms that share the same environment and form intricate ecological relationships with each other.

These relationships can be competitive, predatory, symbiotic, or other forms of interactions that influence the dynamics and structure of the community. Understanding the composition and interactions within a community is vital in studying the biodiversity, ecosystem functioning, and overall health of a given habitat.

Hence the correct option is 1.

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hey ,What is biological community answer it .Good night​

Answers

Answer:

Community, also called biological community, in biology, an interacting group of various species in a common location. For example, a forest of trees and undergrowth plants, inhabited by animals and rooted in soil containing bacteria and fungi, constitutes a biological community.

Explanation:

hope this helps you pls mark as brainliest

Answer:

It's a group of various species in a common place.

For example: a forest of trees and undergrowth plants,  lived in by animals and rooted in soil including bacteria and fungi, would make a biological community.

I hope this Helped!

Who are agree on xenotransplantation

Answers

Answer:

The people who agree on xenotransplantation are those who have severe problems such as heart problems and failure of the kidneys. Xenotransplantation, while it is still being experimented with, is a possibly life-saving option for people with these illnesses. Another reason why people agree on Xenotransplantation is that because it could potentially supply us individuals with an unlimited indefinite quantity of things such as cells, tissues, and organs for humans.

DNA is a nucleic acid involved in heredity, or the passing down of genetic traits from one generation to the next. DNA consists of four different types of nucleotide monomers.Which part of the nucleotides' structure is responsible for the incredible variation that exists amongst all types of organisms

Answers

Nitrogenous base DNA consists of four unique nucleotides that each contain one unique nitrogenous base—adenine (A), thymine (T), cytosine (C), or guanine (G).

The specific arrangement of these four bases within the DNA of each organism gives that organism its unique traits; here are the arrangements:

-Adenine is paired with Thymine (think of A for apple and T for tree)

-Cytosine is paired with Guanine (think of C for car and G for garage)

search "DNA base pairs" and go to images for better understanding

The part of the nucleotides' structure is responsible for the incredible variation that exists among all types of organisms are Nitrogenous base DNA consists of four unique nucleotides that each contain one unique nitrogenous base—adenine (A), thymine (T), cytosine (C), or guanine (G).

Who is responsible for passing down of genetic traits from one generation to the next?

DNA is a nucleic acid involved in heredity, or the passing down of genetic traits from one generation to the next. DNA consists of four different types of nucleotide monomers.

The specific arrangement of these four bases within the DNA of each organism gives that organism its unique traits and here are the arrangements are mentioned below:

Adenine is paired with Thymine (think of A for apple and T for tree)Cytosine is paired with Guanine (think of C for car and G for garage)

Therefore, The part of the nucleotides' structure is responsible for the incredible variation that exists among all types of organisms are Nitrogenous base DNA consists of four unique nucleotides that each contain one unique nitrogenous base—adenine (A), thymine (T), cytosine (C), or guanine (G).

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What happened to the California Condors?
A. They went extinct in 2002 due to destruction of their habitat.
B. There were only 149 left in the 1980's but even with a captive breeding
program they went extinct in 2010.
C. They went extinct in the 1700's but remains from a well preserved skeleton
contained enough to DNA to begin cloning them.
D. In 1985 there were only 9 left, but a captive breeding program has increased
their number to 300.

Answers

Answer:

B

Explanation:

California Condors have been in decline about as long as European Settlements began to spread across North America. These birds have been on the U.S endangered species list since 1967 and were near extinction when their captive-breeding program began. California Condors also mature and reproduce slowly.

what is haemopoiesis??​

Answers

Haemopoiesis is from greek meaning “ to make. new blood” •

Explanation:

It refers to the formation of blood cellular. components.

a special effects artist mixes two different liquids in a bowl. both liquids are white. when she heats the bowl, a new compound forms. will the new compound be a white liquid?

Answers

Answer:

if a special effects artist mixes two different liquids in a bowl and they both are too white !

after heats those liquids

its forms curd like substance

its either will be white, its can increase its colour as darkish white or lightly yellowishblack

when she heats the bowl, a new compound forms and it will be white before heating and after heating it may be white or other dark color.

What are the properties of a compound ?

A compound composed up of two or more elements which are chemically combined with a fixed proportion by their mass.

For example, Water, Sodium Chloride,  Ammonium Chloride etc.

They have fixed melting and  boiling points.

Formation of compound is a change in chemical reaction and the components of compound are mixed in a fixed proportion.

Two major types of compounds are covalent and ionic compounds.

Covalent compounds refers to formation of covalent bond among two nonmetals, like water or methane. These molecules are neutral and weak.

When metal react with non metal it form Ionic compounds, are held together by opposite charges, so the bond is stronger than covalent compound.

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how much water was retained by soil C​

Answers

Answer:

we dont know sorry but i dont know

The development of DNA technology is bringing profound changes to science, agriculture and healthcare. Provide one example of a DNA technology and provide at least one advantage and one example of a concern or problem associated with its use.

Answers

Answer:

The CRISPR-Cas9 genome editing system can be used to edit genes and correct mutations associated with inherited diseases. However, this technology also has the potential to edit genes in germline cells in order to irreversibly modify the human species and the natural evolution of life

Explanation:

The CRISPR-Cas9 (Clustered regularly interspaced short palindromic repeats and CRISPR-associated protein 9) system is a natural prokaryotic defense system used by bacteria to defend against invading DNA. In the laboratory, the CRISPR-Cas9 system has been repurposed to create a versatile genome-editing tool that allows us to modify the genome of mammalian cells in a targeted fashion. The CRISPR-Cas9 is a simple gene-editing tool that consists of a single guide RNA (sgRNA) that guides the Cas9 enzyme to the exact genomic location where Cas9 needs to make a cut, which is then repaired by different DNA repair mechanisms. During DNA repair, nucleotides can be replaced and/or deleted, thereby producing desired genomic modifications. The CRISPR-Cas9 has an enormous potential to repair mutations in genes associated with inherited genetic disorders and cancer (i.e., oncogenes might be reversed in vivo by using this technology). However, the CRISPR-Cas9 genome editing system is also a subject of concern due to its dual use. For example, this technology can be used to modify the genome of germline cells by inducing mutations that can be passed across generations, thereby irreversibly modifying human DNA and altering the normal course of evolution.

What is the chain of custody?
A) the order of who gets custody of the crime scene
B) the paper trail of every person that has been in contact with the evidence throughout its seizure, collection, preservation, analysis and
disposition
C) the order of suspects
D) the people who have custody of children until the case is closed


Answers

The answer is b, the paper trail of every person that has been in contact with the evidence route and seizure collection preservation analyze and it depart

What test is used to ensure that the results you expect are the same as the results you are observing?

A. Epistatic test

B. Chi-squared test

C. Observational confirmation test

D. Punnett square test

Reset Selection

Answers

Answer:

b. Chi Squared

Explanation:

The chi squared test is best to find signifigance between differences in observed and expected values.

Which of the following is not a difference between photosynthesis and
cellular respiration?
A. Where they occur in cells
B. Being part of the carbon cycle
C. The products of the processes
D. The materials needed for the processes

Answers

Answer:

[tex]\boxed {\boxed {\sf B. \ Being \ part \ of \ the \ carbon \ cycle}}[/tex]

Explanation:

Photosynthesis and cellular respiration are both important processes to utilize energy and maintain life in an organism. There are many differences between the two, but we are asked to identify the answer that is not a difference.

A. Where they occur in cells

Photosynthesis occurs in chloroplasts in plants, algae, and some bacteria. Cellular respiration occurs in mitochondria in all organisms. This is a difference.

B. Part of the carbon cycle

The carbon cycle describes the exchange and movement of carbon throughout the Earth, atmosphere, and biosphere. Photosynthesis uses carbon dioxide and cellular respiration produces it, so they are both part of the carbon cycle. This is not a difference. This seems to be correct, but let's check the other choices.

C. The products of the processes

Photosynthesis produces oxygen and glucose, while cellular respiration makes carbon dioxide, water, and energy or ATP.

D. The materials needed for the processes

Photosynthesis needs carbon dioxide, water, and energy from the sun, while cellular respiration needs oxygen and glucose.

Both photosynthesis and cellular respiration are part of the carbon cycle, so the choice that is not a difference is Choice B.

3. When recording medication administered to a client on the medical administration record, always add
next to each medication you deliver.
A. the client's weight
B. the client's initials
C. your initials
D. the client's resting heart rate

Answers

Answer:

option B

Explanation:

Answer:

your initials

are the ones that should be in the MAR. since your the one who gave the medication.

Please help me with these questions
I will mark the Brillianest​

Answers

Answer:

[tex] \pink{\qquad \boxed{\boxed{\begin{array}{cc} \maltese \: \: \: \bf \: see \: the \: picture \: \: \end{array}}}}[/tex]

Reactive hyperemia is an example of .......... control of local blood flow .
and is a ........ response

A) Myogenic-Short term
B) Chemical-Long term
C) Neural-Short term
D) Metabolic-Short term

Answers

Answer:

metabolic short term

Explanation:

Reactive hyperemia is the blood flow response to blood flow Occlusion whereas active active is a blood flow response to increase tissue metabolic activity

g In order to stimulate the renin-angtiotensin-aldosterone system (RAAS), _______________ cells in the kidney detect _______________blood pressure which causes ________________ to be released from the juxtaglomerular cells.

Answers

Answer:

Macula densa cells, lower and renin.

Explanation:

Macula densa cells in the kidney detect lowers blood pressure which causes renin to be released from the juxtaglomerular cells which is  an enzyme. The arterial cells observe the drop in blood pressure, and the decrease in Na concentration is transfer to them by the macula densa cells. The juxtaglomerular cells then release an enzyme called renin. Renin converts angiotensinogen which is a peptide, or amino acid derivative into angiotensin-1.

Which of the following is an example of an enzymatic cycle?

Answers

Answer:

Catabolism

Explanation:

The process of catabolism degrades the bacterial and fungal enzymes into simple inorganic molecules.

A substance, without being a reactant, which speeds up a chemical process is referred to as a catalyst. Enzymes are known as catalysts for biological reactions in living organisms. Although ribonucleic acid (RNA) molecules behave as enzymes, they are usual proteins. Enzymes.

Enzymes carry out the essential role of reducing the activated energy of a reaction — that is, the amount of energy needed to start the process. Enzymes work by attaching and retaining reactant molecules so that the chemical bonding and bonding activities are carried out more easily.

silicon and _______ stay in the the outer cells pls tell me fast​

Answers

Answer:

It could be halogens for example things like fluorine

You are studying an enzyme that is inactivated by phosphorylation and create a mutant in which the threonine that is normally phosphorylated is replaced with glutamate. Predict the impact of this change on the activity of this enzyme. Group of answer choices

Answers

Answer:

always active  

Explanation:

Phosphorylation is a posttranslational modification that consists of the addition of phosphate groups to specific amino acids on the protein. Phosphorylation acts as a molecular switch for proteins that are phosphorylated (i.e., in some situations phosphorylation acts to activate protein function, whereas in other situations phosphorylation can inactivate protein function). Phosphorylation modifies the three-dimensional structure of the protein, thereby affecting, for example, the accessibility of the active site of a phosphorylated enzyme to its substrate. Phosphorylation can occur only at the side chains of three amino acids: Serine, Threonine and Tyrosine. In this case, the enzyme is inactivated by phosphorylation on the Threonine residue, so it is expected that the mutant enzyme cannot be phosphorylated, remaining in an active state.

Ammonia produced in the intestines from the breakdown of proteins by bacterial enzymes is the primary source of plasma ammonia
Select one:
1.True

2.False

Answers

Answer:

True

Explanation

Describe the disadvantages of an open circulatory system relative to a closed circulatory system.

Answers

Explanation:

The disadvantage of a closed circulatory system is that with the blood always contained in vessels, it's under higher pressure. This means it can flow faster, which is necessary for supporting the metabolic rate of more complex animals such as vertebrates. Open circulatory systems are low-pressure systems that cannot meet the needs of a fast metabolism.

What is the purpose of a conclusion?
O A. To predict how something will turn out
B. To make an educated guess about a particular question
C. To collect or analyze the experimental data
D. To explain why the data support or reject the hypothesis

Answers

I think it is to D. to explain

what challenges do scientists face when classifying a new fossil?

Answers

Answer:

You have to clean the fossils and figure out how old they are and what kind of fossils they are.

Explanation:

Answer:

They are often broken and not complete

Explanation:

Due to aging they are often broken and not complete which could make it difficult if you do not have the entire thing.   It's also difficult because there are slight differences between organisms.

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A stranger in a parking lot claims that you dented his car with your car door. You know that you are not responsible for the dent. Although you calmly deny any involvement, the stranger follows your car with his as you make your way home. Which level of conflict resolution is appropriate in this situation? Drive home fast. Negotiate a solution. Plan for mediation. Call the police. Which of these organelles is NOT in animal cells?RibosomeEndoplasmic ReticulumCell Wall Answer hurry which one 1 2 3 or 4? D=12000 mT= 30minV=? Ayudenme en este ejercicio xfa En m/min y en Km/h A plank 6m long leans against a vertical wall so that the foot of the plank is 4m away from the wall. A lizard climbs 2m up the plank. Calculate the horizontal distance between the lizard and the wall. Write a complete sentence using the pronoun y to answer the question whether the following people go to the indicated place. Answer in the affirmative or negative. A group is considered monophyletic if A. all members of the group share a common ancestor that is included in the group. B. all members share homoplastic traits. C. the group does not contain the most recent common ancestor. D. not all descendants of the common ancestor are included. E. it is the most parsimonious grouping. 2012Descriptive Answer QuestionsAttempt FIVE questions.11.Show the Fisher's ideal index number satisfies both time reversal test and factorreversal test from the following informationCommodities2010Price ExpenditurePriceExpenditure543272650528Y431840Z840503 XN10 If two numbers differ by 9 the same of their squares is 653. What are the numbers? Watch help videoWhich value of x satisfies the equation If a state issued license plates using the scheme of two letters followed by four digits, how many plates could it issue? Triangle ABC is a right triangle.Triangle A B C. Angle A is x degrees, B is 90 degrees, C is (x minus 10) degrees. The exterior angle to angle C is (2 x + 40) degrees.Which equations can be used to find the value of x? Check all that apply.x + 90 + (x minus 10) = 180x + 90 + (2 x + 40) = 1802 x + 80 = 180x + 90 = 2 x + 40(x minus 10) + 90 = 2 x + 40 Find the average rate of change of g(x) = 2x^3 - 5 from x= -4 to x= 2 Describe a memorable school assignment or project you've done. What made that assignment fun or memorable? What is the area in square units of trapezoid ABCD shown Below ? #What is the value of the discriminant for the quadratic equation 3 = x2 + 2x?Discriminant = b2 4ac84816 Unearned revenues are liabilities because:______. A. the customer may someday return items purchased for a refund. B. no cash has changed hands. C. the company is transferring them to another period for tax reasons. D. goods or services have been paid for, but not yet provided to the customer. why cleanliness necessary for health ? On a job interview, Mary is asked to describe herself. She begins to talk about her earliest memories and the favorite places she visited as a child. Although this is a description of herself, this type of _____ is probably NOT what the interviewers were looking to hear. In the function f(x) = 4(x2 6x + ____) + 20, what number belongs in the blank to complete the square?