Which substance acts as a buffer in natural water?
O A. A pH indicator
O B. Distilled water
O c. Decaying plant matter
O D. Sulfuric acid

Answers

Answer 1

Answer:

i think Decaying plant matter is answer


Related Questions

100 POINTS PLEASE HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer:

Liar Its only 50 points

Explanation:

Answer:

I agree!! :))

Explanation:

Which of the following correctly indicates the order in which mitosis occurs?

A, B, C, D
B, A, C, D
C, B, A, D
A, C, B, D
Other:______________________________

Answers

Based on my knowledge I would say C, B, A, D

the chromosomes replicate themselves, then they line up at the metaphase plate, then they begin to pull apart to form daughter cells

The liquid part of blood is called ?​

Answers

Answer:

Plasma

Explanation:

In three to five sentences, describe the advantages and disadvantages of these maps in modeling mitosis.

Answers

ii am confused blease elaborate

so sorry

Lysozyme is an enzyme found in animals that helps prevent bacterial infections in eyes. Which statement best explains how lysozyme functions?

It acts as a lubricant to wash bacteria out of the eye.
It acts as a lubricant to wash bacteria out of the eye.

It acts as a catalyst to break down harmful bacteria.
It acts as a catalyst to break down harmful bacteria.

It acts as a protective layer to prevent bacteria from entering the eye.
It acts as a protective layer to prevent bacteria from entering the eye.

It acts as a trap to catch bacteria and restrict their movement.

Answers

The statement that best explains how lysozyme functions is as follows: It acts as a catalyst to break down harmful bacteria.

LYSOZYME:

Lysozyme is a digestive enzyme found in living cells. An enzyme is a biological catalyst that helps regulate the rate of biochemical reactions.

As a digestive enzyme, lysozyme will carry out the responsibility of breaking down molecules.

According to this question, lysozyme is an enzyme found in animals that helps prevent bacterial infections in eyes. This means that lysozyme will act as a catalyst to break down harmful bacteria.

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Answer:

It acts as a catalyst to break down harmful bacteria.

Explanation:

The bacterial cell was is made up of murein also called peptidoglycan. The active site of the enzyme lysozyme binds with the molecule of peptidoglycan attacking and breaking it. It degenerates the bacterial cell wall eventually killing the bacteria.Lysozyme mostly, works on the gram-positive bacteria as the peptidoglycan layer is present on the outer side of the cell wall unlike gram-negative where it is present in the inner side of the cell wall. Thus, acting and functioning as a catalyst that breaks down walls of bacteria, enhances innate immunity, and protects from infection.

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should the nation of warring wizards be considered a nation. why or why not

Answers

Answer: no

Explanation:

The nation of Warring Wizards should not be considered a nation because they all live in different places and only 2 of them speak Russian.

the reproductive organ that produces gametes is called a

Answers

Gonads are sex organs that produce gametes. Male gonads are the testes, which produce sperm and male sex hormones. Female gonads are the ovaries, which produce eggs (ova) and female sex hormones.

How do we all know about this, but Peter didn’t? What tools do we have today that Peter’s world, 200 years ago, didn’t have? (about 3 sentences)

Answers

Is there a story to this?

which structure is not found in both males and females?

Answers

Answer:

Vestibular gland

I hope this helps

Water is a static resource.

Agree or Disagree?

Why?

Answers

Wrong. Most of the U.S. experienced significant in- creases in precipitation and streamflow (and de- creases in drought) during the second half of the 20th century

Which spheres include the water cycle? (Select all that apply.)
hydrosphere
geosphere
biosphere
atmosphere

Answers

The answer Hydrosphere

All of them include the water cycle

Define nutrient and thermal pollution.

Answers

Answer:

Nutrient pollution is the process where too many nutrients, mainly nitrogen and phosphorus, are added to bodies of water and can act like fertilizer, causing excessive growth of algae

Explanation:

When carbohydrate intake is low, which of the following is most likely to result?

a. Your ur body will starve

b.your body will store more fat

c.your energy will use more energy

d.your body will break down other nutrients for energy

Answers

Answer:

d

Explanation:

e.g protein is used in the absence of carbohydrates

D is the correct answer because in absence of carbohydrates protein is used instead

Menstrual cycle has four major phases; menstrual phase, follicular phase, ovulation phase and pregnancy phase true or false?​

Answers

Answer:

False

Explanation:

The four phases of the menstrual cycle are menstruation, the follicular phase, ovulation and the luteal phase.

how do bacteria associated with legumes provide nitrogen to the plant in a usable form
A. they use it in a chemical reaction producing ammonia
B. they make it into air bubbles and release it
C. they dissolve it in water
D. they get it from sunlight ​

Answers

(A) they use it in a chemical reaction producing ammonia.

What is NOT a characteristic of cell differentiation?

Answers

Answer:

unstable phenomenon

Explanation:

When HIV, which causes AIDS, invades the body of a person, that person often develops diseases. These diseases are caused by organisms that usually do not harm people who are not infected with HIV. Explain why the organisms are more harmful to people with HIV than to people without HIV

Answers

Answer:

the HIV virus most at time kill the organisms of the other disease hence reducing the effectiveness of those diseases

What is unique about active sites?

A: active sites provide cells with energy.
B: active sites are specific to certain substrates (reactants).
C: active sites store the genetic information of cells.

Answers

The Unique feature of Active sites is that active sites are specific to certain substrates (reactants)

Active sites are specific regions of an enzyme where substrate molecules bind in other to bring about a chemical reaction.

The active site is made up of amino acid which forms temporary bonds with the substrate otherwise known as the binding site and the residues which brings about a reaction of that substrate.

Active sites are specific to certain substrates (reactants). Therefore, option (B) is correct.

Active sites are vital to enzymes, proteins that aid biological processes. They have a distinctive form that matches their substrate molecules. This specificity allows only particular substrates to bind to and interact with the active site, catalysing processes. This is called the "lock and key" or "induced fit" model.

Enzymes' catalytic action depends on active sites. A substrate attaches to an enzyme's active site and changes conformation, lowering the reaction's activation energy. This speeds up the reaction. After the reaction, the products are released and the enzyme's active site can bind to another substrate. Therefore, option (B) is correct.

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which structure can be found in both eukaryotic and prokaryotic cells?

Answers

Answer:

cell wall and plasma membrane are found in both bacteria(prokaryotic) and plant (eyokaryotic).i think it was helpful

Construction of a new road system splits a population of a rare snail species into three sub- populations, J, K and L. Each of these populations is reproductively isolated.
The table shows the sizes of the three populations immediately after the building of the road
and again ten years later. DNA analysis was used to find:
p the relative frequency of the dominant allele of a gene
q the relative frequency of the recessive allele of this gene.
The three areas of habitat remained the same as each other over the ten year
immediately after road building
after 10 years
population p q size
1000 0.52 0.48 100 0.63 0.37 10 0.20 0.80
population p size
J 1000 0.50 K 100 0.49 L 10 0.40
q
0.50 0.51 0.60
Which statements are supported by this data?
Statement 1: Statement 2: Statement 3:
Natural selection is occurring in populations K and L.
The Founder Effect is strongest in population L.
The observed allele frequency changes result from genetic drift.
A. 1, 2 and 3 C. Only 2 and 3
B. Only 1 and 2 D. Only 1

Answers

Answer:

hey(not contact)...to their family since they went away

Explanation:

which of the following is a tissue?
Bone
Collagen
Cytoplasm
Haemoglobin​

Answers

Answer:

Cytoplasm

Cytoplasm is a tissue

Answer:

c. cytoplasm

Explanation:

Which planet has a dramatic greenhouse effect, no moons and acid in its' clouds? *
Options are
Mercury
Venus
Saturn
Neptune

Answers

Answer: venus

Explanation: Venus' thick atmosphere traps heat creating a runaway greenhouse effect – making it the hottest planet in our solar system with surface temperatures hot enough to melt lead. The greenhouse effect makes Venus roughly 700°F (390°C) hotter than it would be without a greenhouse effect.

where does the carbon for photosynthesis come from

Answers

Carbon Dioxide

Don't ask me how I got it, I just remeber

Ps. Branilist would help a lot

cellular respiration how cells harvest energy

Answers

Answer:

Cellular Respiration: a process able to extract a large amount of energy from food molecules.  In eukaryotic cells oxygen is a required component. This metabolic process is the main reason that animals have elaborate gas exchange organs such as lungs, gills and other systems. The goal of these systems is, of course, to get access to oxygen and to get rid of carbon dioxide.

Explanation:

Write the names of elements from the following symbols :


Zn, Cd, Xe, Br, Ti, Cu, Fe, Si, Ir, Pt. ​

Answers

Answer:

Zn -ZincCd - CadmiumXe - XenonBr - BromineTi - TitaniumCu - CopperFe - IronSi - SiliconIr - IridiumPt - Platinum

Answer:

the names of elements from the following symbols :

Zn -Zinc Cd - Cadmium Xe - Xenon Br - Bromine Ti - Titanium Cu - Copper Fe - Iron Si - Silicon Ir - Iridium Pt - Platinum

Explanation:

Which mineral(s) have a black (or greenish-black) streak? Check all that apply.

sulfur

quartz

magnetite

pyrite

Answers

Answer:

Magnetite and pyrite

Explanation:

Their streaks are black

Magnetite is a mineral with an extremely high iron content. Magnetite is black or brownish-red with a black streak.

Magnetite  - black

Pyrite -- greenish to brownish black.

What is so special about magnetite?Magnetite is a mineral with an extremely high iron content. Magnetite is black or brownish-red with a black streak. On the Mohs hardness scale, it has a hardness of about 6.Magnetite is most commonly used as an iron ore in the production of steel. Other uses include using it as a catalyst in the Haber process to produce ammonia, as a pigment in paints and ceramics, and as magnetic micro- and nanoparticles in a variety of processes and materials.Magnetite is an abundant raw material found in the Mountains and Mountains Caves, as well as the Jellyshroom Cave and Lost River.

To learn more about : Magnetite

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explain what a species is and how resources lead to species biodiversity.

Answers

Species are organisms which have similar characteristics and are capable

of interbreeding. A common example is we human beings.

Resources leads to species biodiversity as a result of organisms moving

from one place to another in search of food for its survival. The availability

of resources will lead to an increase in reproduction and species

biodiversity as more organisms will be present in the area.

Scarcity of resources on the other hand results to lower species biodiversity

and decreased reproduction rate.

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Which of these graphs represents the effect of temperature on the rate of photosynthesis? Explain your answer.

WILL MARK BRAINLIEST!!

Answers

a. A describes the effect of light intensity on photosynthesis.

Answer: A

Explanation:
In plants and other primary producers, photosynthesis is a biological mechanism that is vital to energy production. Energy-containing carbohydrates are derived from light, water and carbon dioxide in the form of glucose molecules.
The waste product oxygen is released as a result. Photosynthesis depends on many variables, including:
carbon dioxide concentration,
ambient temperature
and light intensity
It is a rate-limited reaction. Since photons or particles of light provide the energy required for the reaction, high intensities of light increase the photosynthetic rate. From the graph shown, as the intensity increases steadily, so does the rate- but at too high of an intensity, it ceases to affect the rate of photosynthesis, which becomes constant or plateaus.
Beyond this point, either the supply of carbon dioxide or the temperature limits the reaction. For instance, at high intensities tissues may even be damaged by high temperatures or heat.

Graph A represents the effect of temperature on the rate of photosynthesis.

Why is photosynthesis affected by temperature?

Photosynthesis is a biological process that is essential to the synthesis of energy in plants and other primary producers. Light, water, and carbon dioxide combine to generate glucose molecules, which are the building blocks of energy-containing carbohydrates.

As a result, the waste product oxygen is emitted. Numerous factors affect photosynthesis, such as the amount of carbon dioxide present, the surrounding temperature, and the amount of light. It is a reaction with a rate constraint. High light intensities accelerate the rate of photosynthetic reaction because photons, or light particles, supply the energy needed for the reaction. According to the graph, the rate rises steadily as the intensity does, but at a certain point, the intensity stops having an impact and the rate of photosynthesis plateaus or becomes constant.

Beyond this point, the reaction is restricted by either the temperature or the carbon dioxide supply. For instance, at high intensities, heat or high temperatures may even harm tissues.

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WIll GIVE BRAINLIEST!!!!

Answers

Answer:

Both A and B

Explanation:

This was on my test today and I got it correct.

which compound is orgaic

Answers

A compound that has Carbon and Hydrogen

Answer: organic compound, any of a large class of chemical compounds in which one or more atoms of carbon are covalently linked to atoms of other elements, most commonly hydrogen, oxygen, or nitrogen. The few carbon-containing compounds not classified as organic include carbides, carbonates, and cyanides.

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