How does a catalyst work?

Answers

Answer 1

Answer:

A catalyst is a chemical substance that affects the rate of a chemical reaction by altering the activation energy required for the reaction to proceed. This process is called catalysis. A catalyst is not consumed by the reaction and it may participate in multiple reactions at a time.

Explanation:

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Related Questions

How many ATP are made in the kreb cycle part of cellar respiration?

Answers

Answer:

2 ATP are created in Kreb cycle

A plasmid contains a multiple cloning site inside the coding region of the lacZgene and also contains an ampicillin resistance gene at a separate locus. When cells are transformed with a successfully recombinant plasmid containing a piece of DNA cloned into the multiple cloning site, what color will the colonies be when grown on an agar plate containing ampicillin and X-gal

Answers

Answer:

The correct option is white.

Explanation:

As the options are not given, the options are found online and are as follows;

(a.) green (b.) white (c.) colonies will not grow (d.) blue (e.) clear

Out of this, white is the true option because in recombinant plasmid lac Z gene is disturbed and cannot produce beta galactosidase enzyme and there is no hydrolysis of x gal and no blue so recombinant plasmid gives white colonies)

According to the food which of the following is NOT a carnivore?
O a 2
O b. 1
O c.3
O d.4

Answers

The answer to the question is option c.3

The term carnivore refers to an animal that feeds on flesh or meat. An omnivore is an animal that feeds on both meat and plants. Herbivores, on the other hand, are animals that consume only plant matter. Carnivores are secondary or tertiary consumers in the food chain, while herbivores are primary consumers.

According to the food, herbivores are those that do not eat meat or other animal products.

Therefore, .3 is the answer because it is a herbivore which means it doesn't eat meat. Option a.2, option b.1, and option d.4 are all carnivores since they eat meat.

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A cow is a not carnivore, it is herbivore which means it sustains itself by consuming plants (option C).

What are carnivores?

Carnivorous animals are known as devourers of other animals. Positioned dominantly in the intricate web of the food chain, they evade the clutches of predation themselves.

Equipped with incisive fangs and formidable claws, these creatures embark on relentless hunts, seizing their prey with lethal precision. Their acute olfactory senses aid in the relentless pursuit of their quarry. Within the ecosystem, carnivores assume a pivotal role, diligently regulating the population dynamics of other organisms, ensuring a delicate equilibrium.

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See the attached image for complete question.

According to the food which of the following is NOT a carnivore?O a 2 O b. 1 O c.3 O d.4

what was the speed of a car that traveled 240 m in 12 s

Answers

Answer:20

Explanation:   Because when you divied 240 by 12 you get 20.

240/12=20

Answer:

20m/s

Explanation:

Speed is equal to distance/time. Since we know that the distance is 240m and the time taken to travel 240m was 12 seconds, we can divide them 240/12 and once we do this we can get our final answer of 20m/s.

What are the greatest challenges for solving human impacts to ecosystems?

Answers

Answer:

The fact people don't want to change may be the greastest impact. Humans want answeres quick and easy we are willing to destory the earth for our ways as we have been for 1000ths of years. We never change we evolve but don't change our ways.

Explanation:

Hope This Helps

Have A Great Day

~Zero~

Type the correct answer in the box. Spell all words correctly.
What is a close relationship between two organisms that live together called?
The close relationship between two organisms that live together is called
Reset
Next

Answers

Answer:

symbiosis.

Explanation:

The term that you are referring to is symbiosis. (a symbiotic relationship)

Symbiosis is a proximate and often long-term interaction between two or more different biological species.

For a population to be in Hardy-Weinberg equilibrium, the population must be

Answers

Answer:Not experiencing migration.

If water were a nopolar molecule, how would it’s properties be different

Answers

Answer:

ice wouldn't float, so instead of the top layer of water frozen, all of it would so it would kill everything. Life on earth wouldn't exist. It also would be working against gravity so plants = dead.

Explanation:

Plants take up carbon dioxide (CO2) during photosynthesis and release it during respiration. According to the article, how might increasing global temperatures affect the amount of carbon dioxide plants release during respiration?

Answers

Increasing global temperatures are likely to increase the amount of carbon dioxide that plants release during respiration. This is because higher temperatures can increase the rate of respiration, causing plants to consume more oxygen and release more carbon dioxide.

Additionally, higher temperatures can also have a negative impact on plant growth and development, which can further increase the amount of carbon dioxide released during respiration. For example, if plants are exposed to prolonged periods of high temperatures, they may become stressed and allocate more resources to respiration instead of growth, which can result in increased carbon dioxide emissions.

Overall, increasing global temperatures are likely to have complex and potentially negative impacts on plant growth, respiration, and carbon dioxide emissions.

A penumbral shadow is cast when the light source is smaller than the object.

True
False

Answers

Answer:

true

Explanation:

Answer:

The answer is false

Explanation:

What would happen if scientists used different physical characteristics

Answers

If scientists used different characteristics from the ones used then this will affect the outcome of the study and the observations made through the study will be different from the one obtained.

What are Physical characteristics?

Physical characteristic means a bodily condition or the characteristic of any person's body which is from the time of birth, accident, or any disease, or from any kind of natural physical development, or any other type of event outside the control of that individual including individual physical mannerisms, such as height, or weight of an object.

Phenotype includes an individual's observable traits, such as the height, eye color, and blood type of the person. A person's phenotype is determined by both their genomic makeup and environmental factors.

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What causes nausea and vomiting?

Answers

Answer:

my face:(

Explanation:

My ugly self lol :)

Choose the right answers

Choose the right answers

Answers

Answer:

1st, 2nd and Last option

Explanation:

The number of protons is equal to its atomic number. Neutral atom means that the charge in the atom is 0. In order to make the charge 0, the proton and electron charges have to be additive inverses, meaning the sum of the proton and electron charges have to be 0. Each proton has a +1 charge while each electron has a -1 charge. Hence, the number of protons and electrons have to be equal.

How many neutrons does hydrogen-1 have? How many neutrons does hydrogen-2 have?

Answers

Answer:

One Neutron

Explanation:

All three forms have one proton (pink) and one electron (dark green) but differ in the number of neutrons (gray) in the nucleus. Protium, or ordinary hydrogen (top), has no neutrons. Deuterium, or hydrogen-2 (bottom left) has one neutron. Tritium, or hydrogen-3 (bottom right) has two neutrons.

which of the following events are likely to produce a warming effect on earth
I. Rising carbon dioxide levels spur plant growth, causing increased carbon dioxide absorption
II. As snow and ice melt, the underlying surfaces absorb more solar radiation
III. Methane is released into the atmosphere as permafrost melts

A. I only
B. II and III only
C. I and II only
D. I, II, and III

Answers

Answer:

B

Explanation:

Answer:

b

Explanation:

Just took the quiz

Visking tubing is made of a plastic material through which small molecules can pass.
In this investigation, the concentration of glucose in the distilled water was measured at the start andthen every five minutes.

The results are shown in the table.

(i) Describe the results of this investigation.

(II) Explain the rresults of this investigation ​

Visking tubing is made of a plastic material through which small molecules can pass. In this investigation,

Answers

This summary should include details such as the sample size, the variables measured, the statistical analysis performed, and the conclusions drawn.

What is  analysis ?

Analysis refers to the process of examining, interpreting, and evaluating data, information, or a situation in order to identify patterns, relationships, and insights. It involves breaking down complex or large amounts of information into smaller parts to better understand and make sense of it.

What is an order ?

An order is a directive or command given by a person or an authority to someone else to perform a particular task, action, or behavior. It is a request or an instruction that is intended to be followed and implemented in a specific way.

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In industrial agriculture, fossil fuels are used for all of the following EXCEPT:
Please choose the correct answer from the following choices, and then select the submit answer button.
Answer choices

running farm equipment.

feeding them to animals.

producing synthetic fertilizers.

manufacturing pesticides.

Answers

Answer:

Explanation:

Feeding them to animals, It would harm the animal if it was feed a fossil fuel

Type the word that appropriately completes each statement.
All fish reproduce sexually, but fertilization may occur in one of two ways.
In__________
fertilization, the female fish releases eggs in the water or on a surface. The male fish spreads
sperm over the eggs to fertilize them.
In__________
fertilization, the eggs are fertilized inside the female's body. The young develop there until the
female gives birth.

Answers

exExplanation: external internal

Hello, 3Coli here!

Here is your answer:

In  external fertilization, the female fish releases eggs in the water or on a surface. The male fish spreads sperm over the eggs to fertilize them.

In internal fertilization, the eggs are fertilized inside the female's body. The young develop there until the female gives birth.

Hopefully, this helps! :D

Ask your question below!

A group of cells that secretes a fluid substance is called a____.

Answers

Answer:

Glandular epithelium is arranged into structures known as glands, which can either be a single cell or a group of cells specialized in producing and releasing a specific substance

2. How are the atmosphere, hydrosphere, and lithosphere related in the
biosphere?

Answers

Answer:

For example, rain (hydrosphere) falls from clouds in the atmosphere to the lithosphere and forms streams and rivers that provide drinking water for wildlife and humans as well as water for plant growth (biosphere). River action erodes banks (lithosphere) and uproots plants (biosphere) on the riverbanks.

Explanation:

Hope this helps.

Which of the following is not a structure of the nervous system? A. The brain B. The heart C. The spinal cord D. Cranial nerves

Answers

Answer:

heart

Explanation:

bc i got it right on plato

Will this movement re hire an input of energy?

Will this movement re hire an input of energy?

Answers

Their movement will require the input of energy. That is option B.

What is an active transport?

An active transport is defined as the movement of molecules across the cell membrane from different compartments in the living organism.

The active transport makes use of energy because of the need to move molecules from a semi permeable membrane that is against a concentration gradient.

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how does mutation
can lead to heritable
genetic variation of
individuals in a species ?

Answers

Answer:

Genetic variations can arise from gene mutations or from genetic recombination. These variations often alter gene activity or protein function.

Explanation:

What r the types of allergy??????​

Answers

Answer:

of Allergies

Drug Allergy.

Food Allergy.

Insect Allergy.

Latex Allergy.

Mold Allergy.

Pet Allergy.

Pollen Allergy.

Explanation:

Answer:

food, flowers, touch, dirt etc/

Explanation:

what is the difference between blood type A+ and A- as well as blood type B+ and B-?

Answers

Answer:

Explanation:

Type A: Red blood cells possess two different glycoprotein antigen on their surface. They are named as A antigen and B antigen. The rbc which possess A antigen on their surface are know as A group. The RH systems says that rbc has one more antigen beside A and B antigen and named that new antigen as Rh antigen. The person who has Rh antigen are termed as Rh positive. The person who doesnt consist Rh antigen are termed as Rh negative. So A positive means the human Rbc consist A and Rh antigen on their surface. A negative means human Rbc consist only A antigen on their surface.

Type B(+) particularities:

The red blood cells of B+ people are coated withantigens called “type B” on their surface. Therefore, these people can only donate blood to people in groups B and AB, who do not have anti-B antibodies.

B+ red blood cells can only be transfused to rhesus positive people: AB positive (AB+) and B positive (B+).

Type B blood also contains anti-A antibodies, so B+ can receive red blood cells of blood groups O and B, all rhesus combined.

Type (B-) particularities:

Like B+ people, B- people have type B antigens on the surface of their red blood cells. Their blood can therefore only be transfused to people in groups B and AB, who do not have anti-A antibodies.

On the other hand, B- people can give both rhesus groups B and AB (B+, B-, AB+, AB-).

Finally, they can receive red blood cells of the O negative (O-) and B negative (B-) blood groups.

I really hope this gives some clearance

What is not true about parasite-host relationships? A. Both can be animals B. One can be a plant and the other an animal C. Both can be plants D. One must be an animals and the other one a plant

What is not true about parasite-host relationships? A. Both can be animals B. One can be a plant and

Answers

Answer:

one can be a plant and the other an animal

1. Which of the following is not evidence of an earthquake?
Cracks in the sidewalk
Bumps in the road
Rumbles and shakes
Precipitation​

Answers

Answer:

precipitation would be the answer

2 Select the correct answer from each drop-down menu. Complete the sentence to describe the effect of the given parasite on its host ___ is a parasite that lives in the gastrointestinal tract. It typically causes loss of ___ in the host animals ​

Answers

The effect of nematode parasites on their host animals can vary depending on the specific species and the severity of the infection.

However, one common effect of nematodes, particularly those that reside in the gastrointestinal tract, is the loss of nutrients in the host animals.

Nematodes are known to feed on the nutrients present in the host's gastrointestinal tract, including carbohydrates, proteins, and other essential substances.

Thus, as a result, the infected host may experience a reduced ability to absorb and utilize these nutrients for their own growth and maintenance.

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What is the answer to the screenshot below for 20 points

What is the answer to the screenshot below for 20 points

Answers

Answer:

The Ventral (anterior) trunk.

Explanation:

Generally speaking, the anterior/ventral ramus innervates the skin and muscle on the anterior aspect of the trunk.

!DISCLAIMER!  I am not 100% sure on this.

during drought years on the galapagos,small easily eaten seeds become rare, leaving mostly large, hard-cased seeds that only birds with large beaks can eat. if drought continues for several years, measurable changes to the beak size of the galapagos bird population can be observed. which of the following identifies the changes to the beak size of the galapagos bird population what would most likely be expected as a result of natural selection? a) more small-beaked birds dying than larger beaked birds. the offspring produced in later generations have a higher percentage of birds with large beaks. b) small birds gaining larger beaks by exercising their mouth parts c) small birds mutating their beak genes resulting in later-generation offspring having larger beaks d) small birds anticipating the long drought and eating more to gain weight, resulting in them growing larger beaks

Answers

Answer:

A) More small-beaked birds dying than larger beaked birds

Explanation:

Natural selection will cause the small-beaked birds to die, while large-beaked birds will begin producing more birds with that gene. This causes large-beaked birds to become dominant, and less and less small-beaked birds will survive.

Hope this helps!

Answer:

A.

Explanation:

Considering that the seeds have changed to where larger birds can only consume them (or birds with larger beaks, anyways..) then smaller beaked birds would die or as a result of the changing in the food supply.If the food supply revolves around having a stronger or larger beak, then birds with larger beaks are more likely to flourish.

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a measure that takes into account health care and safety in addition to clean environment, pollution and crime is called: A money market portfolio has a market value of $20,000,000 and its value will change by $500 for a change in short-term yields of one basis point. The eurodollar futures contract has a tick size of $25 for a change in yield of one basis point. What would be a good hedge for the money market portfolio? (Should you buy or sell futures? How many contracts?) given what we know about learning and memory, how is the concept dog probably represented in your brain? According to the text, criminalizing illicit drugs increases the "hassle factor," which:A. is harmful to addicts and abusers and to society as a whole; all drugs should be depenalized.B. keeps drugs hard to get, expensive, and increases the likelihood of arrest, and hence, decreases the rate of use of those drugs that are criminalized.C. argues that some drugs should be legalized while others should be kept criminalized.D. is a major factor in keeping the poor in poverty.E. none of the above Please help will mark brainlest, please don't put that stu.pid link that has been going around brainly, thank youListen, read the question, and choose the option with the correct answer, based on the audio.Audio: i say say this using agile central missouri lotela starlight scared i'll bangkok lanier seal style trail banco el centro commercialWhat building is between the hotel and the mall? El hospital El centro recreativo La universidad La calle did archeology just happen or did someone create archaeology Both Ben and Betty see themselves as responsible for their own choices, decisions, and actions in their relationship, thus demonstrating their table 1 probability distribution x p(x) 0 0.02 1 0.13 2 0.31 3 0.27 4 0.15 5 0.09 6 0.03 what is the probability x being 4? what are the two major classifications of vascular seed plants? Classify angle X Y Z. please answer correctly !!!!! Will mark Brianliest !!!!!!!!!!!! (Last option is Isosceles triangle) !!!!!!!!! Stress Management PlanThink about the readings and lectures for this lesson regarding stress and anxiety.For this assignment, you will think of common stressors that teens can experience. Choose one stressor, then describe a scenario in which a teen feels overwhelmed by that stressor. Then, use the six steps of the decision-making process to design a stress management plan for your scenario. Write a description of the decision making process as it applies to your scenario.1. State the situation2. List the options3. Weigh the possible outcomes4. Consider values5. Make a decision and act on it6. Evaluate the decision Which of the following is an important foundation of environmental science What is produced in the process of photosynthesis?O nitrogenO LightO waterO glucose Define the term "multiplier" and explain its importance inKeynesian economics. most stars are select one: a. more luminous than our sun. b. about the same luminosity as our sun. c. less luminous than our sun. d. all stars have the same intrinsic luminosity. stars differ only in temperature. How could scientists use radioisotopes to study the function of the golgi apparatus?. Also known as a private key cipher, what term is used to describe the encryption where the same key is used to encrypt the document before sending and to decrypt it once it is received?. Q3.Oscar is organising a show.Visitors to the show choose their seats at random.There are 350 seats available.These seats are numbered from 1 to 350Oscar places a prize under each of the seats numbered 17 to 25(a) What is the probability that the first visitor chooses a seat with a prize? When one form of energy is converted into another some of the original energy is usually converted into which type of energy According to the sociocultural perspective, the term for the ways in which cognition is stimulated and developed in people by more skilled members of society is called:_________