A catalyst is not a product or reactant of a chemical reaction.
O True
O False

Answers

Answer 1
Answer: true

Explanation: A catalyst decreases the activation energy of a chemical reaction. Catalysts participate in reactions but are neither reactants nor products of the reaction they catalyze. An exception is the process of autocatalysis where the product of a reaction helps to accelerate the same reaction.
Answer 2
I think it is false.

Related Questions

A bacteria is a:

Prokarypte
Protoctist
Eukaryote
Fungi

Answers

Answer: Prokaryote

Explanation: "The bacteria are the oldest and simplest living organisms, and all of the bacteria are "prokaryotes ," meaning that they do not have a true membrane-bound nucleus as eukaryotes do."

This is where I got my answer from

https://sphweb.bumc.bu.edu/otlt/mph-modules/ph/ph709_infectiousagents/ph709_infectiousagents2.html#:~:text=The%20bacteria%20are%20the%20oldest,means%20%22true%20nucleus.%22%5D

Brainliest Please!

Select four of the most abundant elements found in plants and animals.

nitrogen
sodium
hydrogen
potassium
carbon
magnesium
argon
oxygen

Answers

Answer:

It deleted it everytime I made a q or answer or comment

Explanation:

the answer is oxygen carbon hydrogen and nitrogen

Mushrooms are part of which sphere?

Answers

Answer:

biosphere is the answer bro

if a cell at metaphase of mitosis contains 32 sister chromatids, how many chromosomes will be present in a g1 cell?

Answers

Answer:

16

Explanation:

because we  are divid 32/2

If a cell at metaphase of mitosis contains 32 sister chromatids, chromosomes will be present in a g1 cell - 16 chromosomes.

During interphase chromosomes are fully or partially decondensed, in the form of chromatin, which consists of DNA wound around histone proteins (nucleosomes).

In G1, each chromosome is a single chromatid.At the G1 stage, the cell would have 16 chromosomes.Each chromosome has a single chromatid for a total of 16 chromatids in g1 cells.in metaphase sister chromatids are present and the number of chromosomes is 2n.

Thus, If a cell at metaphase of mitosis contains 32 sister chromatids, chromosomes will be present in a g1 cell - 16 chromosomes.

Learn more:

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Define the difference between endangered species and extinction

Helppp please

Answers

Endangered species are the species who have little population left and are about to become extinct. Extinct means that they don’t exist anymore.

Answer:

Endangered means close to extinction, Extinction itself means to be wiped out, termination. An endangered species would be still alive, but not for long before extinction.

What factors determine the rate which a population is increasing or decreasing?

Answers

Answer:

population growth is based on four fundamental factors :birth rate ,death rate, immagration ,and emigration

each of the flowing is a liquid at ordinary temperature? A carbon b Phosphorus c oxygen d bromine ​

Answers

Answer:

D. Bromine

Bromine is the only non-metal that can stay as a liquid at room temperature.

How was the physical activity or physical fitnees affect the boy?​

Answers

If you’re referring to generally, then it strengthens overall muscle, and increases your endurance.

I hope this helps! Let me know if you have any questions! Good luck on the rest of your assessment!

Mark this as Brainliest if you get a chance:)

Answer:

los mismos hijos se cortan cuando quieren llamar la atención de los padres pero los padres no le ponemos atención a los hijos

Explanation:

cundo un hijo quiere hablar con su padre no le hace caso el niño o adolescente lo que hace es cortarse para llamar la atención de los padres espero que esto sirva de algo

thermometer is used for​

Answers

Measuring the temperature of something.

what is the functional cell of the nervous system?

Answers

The basic unit of the nervous system is a nerve cell, or neuron. The human brain contains about 100 billion neurons. A neuron has a cell body, which includes the cell nucleus, and special extensions called axons and dendrites.

please mark brainliest.

The functional cell of the nervous system is neurons.

What is a nervous system?

The nervous system is the main controlling system of the living body. It consists of the brain and the spinal cord. The nervous system is divided into two parts, the central nervous system, and the peripheral nervous system.

Neurons are the cells of the nervous system. The cells are branch-like structures like the roots of a plant, they contain absorb the information using electrical impulses and transport it into different areas of the brain.

The central nervous system contains the brain and the hypothalamus, and the peripheral nervous system contains all the neuron cells. The neuron cells' function in the peripheral system is to collect the signals and information and to send it to the central number system, which contains the brain for processing.

Therefore, neurons are the functional cell of the nervous system.

To learn more about neurons, refer to the below link:

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RNA has a cap on one end and a
Poly A tail on the other. Which of
the following is NOT a function of
these?

A. allows the strand to leave the nucleus

B. helps the strand attach to a ribosome to be
translated

C. signals that introns need to be spliced out

D. protects the strand from enzymes

Answers

Answer: The answer is C

Explanation: The answer is signals that introns need to be sliced out, I got it right!

If all the deer disappeared from this community, which change would be most likely to occur?

A. The grass population would decrease
B. The coyote population would decrease
C. The squirrel population would decrease
D. The grass population would stay the same . ​

Answers

Answer:

B

Explanation:

The coyote would lose their main food resource, and would start to starve to death.

Earth's weather happens in the … because 99% of water vapor is found in this layer.

Answers

Answer:

troposphere

Explanation:

please help! Thank!

Answers

Answer:

the shorter the wavelength the more the gases produced

Explanation:

11. The continuous movement of water into the air, onto land, and then back to water sources is
known as
a. Hydrologous cycle c. hydrologic cycle
b. Water cycle d. ocean cycle

Answers

Answer:

A. Ocean basins getting smaller or water returning to the hydrological cycle.

As ocean basins get smaller the amount of water on them does not dimish, this is why the sea level rises, same volume with less width you need more height, and as the water returns from the hydrological cycle, you add volume which makes the sea level go up.

Explanation:

elephants and lions use what for energy?

Answers

Elephants and lions get energy from carbohydrates.

The elephant and the lion use macromolecules for energy, such as carbohydrates, proteins, lipids, etc., and these macromolecules, when broken down after digestion, give energy.

What is the purpose of the dietary food?

Animals consume dietary food, and not all animals consume all foods. Some animals, such as the lions, are carnivores and eat animals, whereas others, such as the elephants, are herbivores and rely on plants for energy. The lion, as a carnivore, obtains the majority of its fats portion, proteins, and carbohydrates in the form of glycogen from other animal, whereas the elephant, as a herbivore, obtains the majority of its nutrients from plants such as carbohydrates, proteins from proteinaceous plants, and some lipids from seeds.

Hence, The elephant and the lion use macromolecules for energy, such as carbohydrates, proteins, lipids, etc., and these macromolecules, when broken down after digestion, give energy.

Learn more about the dietary foods by clicking here.

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what does the hypodermis do for your internal organs?

Answers

Answer:

The hypodermis helps to serve as an energy storage area for fat. This fat provides padding and cushion for internal organs as well as muscle and bones. It also protects the body from injuries.

Hope this helps! Have a great rest of your day!!   -please give be brainliest :)

It's the layer of skin where fat is deposited and stored. The blood vessels in the hypodermis are bigger and connect to the rest of your body. Stored fat helps regulate body tissue and cushion your body's internal organs against bumps, hard impact, and falls.

what would happen if all of the cells in a developing frog embryo expressed the same type of cadherin on their surfaces?

Answers

Answer:

option d is the correct option. all the cell in the embroyo would be capable of attaching to one another regardless of the cell type.

Explanation:

cadherins are molecules that allow cell adhesions. various number of cell bind together using this molecules for

proper functioning.

I need help on the unanswered questions

Answers

Answer:

I know that the first one is water but i don't know the rest

Explanation:

Answer: the first one is water

Explanation:

what would be the complementary DNA strand for the following sequence: A-G-C-T-G-G-A-C-T ?

Answers

I’m not entirely sure. So I’m sorry if it’s wrong but I think this is the correct answer:
T-C-G-A-C-C-T-G-A
(Becsuse every letter will be the opposite of its match. So I’m the sequence when it says A, you would replace it with T (because A goes with T) , and when it says G you would replace it with C (because G always goes with C)

Plan an experiment to find out whether exercise produces a greater breathing rate in girls than in boys.

Answers

Answer:

Boys have a greater breathing rate

Explanation:

insulin is one example of a protein that acts as

Answers

Answer:

Insulin is one example of a protein that acts as a hormone.

Explanation:

it causes changes throughout the body as it is transported through the bloodstream, this is what makes insulin a hormone.

2. Given the appearance of the cave fish and minnow, do you think they have a recent common
ancestor? Explain.

Answers

Answer:

Yes the cave fish adapts to its surroundings and there for evolve into a species that’s use to its surroundings same for the minnow

Explanation:

Pretend you are a survivor of a hurricane that impacted Georgia in the distant past, before phones and radio were widespread.

• Write a journal entry, detailing what you experienced during the hurricane. Use your research of hurricanes to inform your journal entry.

Answers

answer:

journal entry is a topic like a story

explain:

pictures of One Tree so I can talk of a story but it's mainly about how the other person's point of view is.

how do chemosyntheic organisms get energy

Answers

Answer:

Chemosynthesis is a process by which energy is derived via the microbial mediation of certain chemical reactions. The source of energy for chemosynthesis is energy liberated from a chemical reaction (the oxidation of an inorganic substance) rather than energy harvested from sunlight or other light.

Where does photosynthesis get its energy?
Sunlight and carbon dioxide
Sunlight and oxygen
ATP and carbon dioxide
ATP and oxygen

Answers

Answer:

Sunlight and Carbon Dioxide

Explanation:

This is Science:Please help me in number 1

Answers

Answer:

Organism

Organ System

Organs

Tissues

Cells

Explanation:

Hope this helps!

When clouds release rain, this part of the water cycle is called __________.

Answers

Answer:

precipitation

Explanation:

Type of radiation that is able to travel through space as waves from the Sun to Earth is called

Answers

Answer:

sunrays

Explanation:

hope it helps

Answer:

I think it is radioactive.

What is the question or problem? What question are the scientists trying to answer?

Answers

Answer: The question or problem is if beet root extract melts ice faster than salt. The scientists are trying to answer if the beet root extract would be ableto melt ice faster so that it could replace putting salt on the roads. Hope this helps :)
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