Which Enzyme has an optimal pH that is Acidic?
A. Pepsin

B. Salivary amylase

C. Arginase

Answers

Answer 1

Answer:

a. pepsin

Explanation:

it has a 1 to 2 level which is acidic because anything lower than 7 is acidic

Answer 2

Answer:

A. Pepsin

Explanation:

The enzyme pepsin breaks down proteins in the acidic conditions of the stomach. Pepsin has an optimum of pH 2.5 and a working range of between pH 1-4.


Related Questions

What is the negative impact of paper on society

Answers

Answer:

Deforestation has increased. Paper manufacturing used up to 40% of the global wood. The process of making paper releases nitrogen dioxide, sulfur dioxide, and carbon dioxide into the air, contributing to pollution such as greenhouse gases.

Explanation:

hope this helps!!!!!!

If the half-life of a radioactive substance is 500 million years and you have
192 atoms of it, how many half-lives will have passed by the time that only 3
atoms of the substance remain?
A. 4
B. 5
C. 6
D. 2.

Answers

The number of half-lives that has elapsed when 3 atoms of the radioactive substance remains is 6 (Option C)

Data obtained from the questionHalf-life (t½) = 500 million yearsOriginal amount (N₀) = 192 atomsAmount remaining (N) = 3 atoms Number of half-lives (n) =?

How to determine the number of half-lives

2ⁿ = N₀ / N

2ⁿ = 192 / 3

2ⁿ = 64

2ⁿ = 2⁶

n = 6

Learn more about half life:

https://brainly.com/question/26374513

#SPJ1

Which of the following limit cell size? Select all of the answers that apply.

Answers

Where is the picture?

"Speaking of fossil fuels; the chart above shows the common uses for which fossil fuel?"*
Petroleum
Coal
Natural Gas
Nuclear

Answers

Answer:

coal

Explanation:

I need 20 characters so Im typing this in hope of filling the space

Quasars are very luminous, very distant active galaxies.

O True
O False

Answers

Answer:

True

Explanation:

what did this have to do with biology ?

Which experiment should be conducted as a field investigation?

Answers

Observing changes in the nesting behavior of wood ducks

if you were facing a rainbow where would your shadow be​

Answers

Answer:

Usually the radius of the arc is equal to about one-fourth of the visible sky, or 42 degrees, to the red. When there are showers nearby, simply look in the part of the sky opposite the sun at a 42-degree angle from your shadow; if there is a rainbow, that is where it will be.

                                                                  or

behind your back

hope this helps

have a good day :)

Explanation:

Answer: your shadow is likely to be at the back side of your legs.

Explanation: hope it helped

what do the results suggest about ways that milkweed bug populations are limited in nature?

Answers

Answer:

Temperature.

Explanation:

Temperature was the only limiting factor that controls and limits the size of the population of milkweed bug  in the nature because these milkweed bug are very sensitive to temperature. Little increase or decrease in temperature can cause adverse effect to the population f milkweed bug in that environment. Milkweed bugs need food, water, space, shelter and a mate in order to survive a well as increase in population of milkweed bug.

What is expected to happen to the species that is less suited to
compete for resources if the competitive exclusion principle is
observed?

Answers

Answer:

die out and move from the area are the answer

Explanation:

How would your body respond if your blood pH raised to 7.46?

Answers

Well an increase in alkaline causes pH levels to rise. When the levels of acid in your blood are too high, it's called acidosis. When your blood is too alkaline, it is called alkalosis. Respiratory acidosis and alkalosis are due to a problem with the lungs.
Xyyeufugjtigi djfucudyshfjfc 6709587

The 3 components of the Cell Theory are only referring to prokaryotic cells.
A. True

B. False

Answers

Answer:

B. False

Explanation:

B. False

just looking that the first component of the cell theory, this is proven

Hope this helps!

Which of the following is not one of the seven primary odors humans recognize?
fresh
putrid
pungent
roses

Answers

Answer:

roses

Explanation:

It occurs when an odor binds to a receptor within the nasal cavity, transmitting a signal through the olfactory system.2 Glomeruli aggregate signals from these receptors and transmit them to the olfactory bulb, where the sensory input will start to interact with parts of the brain responsible for smell identification, memory, and emotion.3

There are many different causes for alteration, lack, or disturbance to a normal sense of smell, and can include damage to the nose or smell receptors, or central problems affecting the brain. Some causes include upper respiratory infections, traumatic brain injury, and neurodegenerative disease.

Answer:

Fresh

Explanation:

When you look at the chartr, Roses were cconsidered a floral scent, which was listed, then there was putrid, pungent, and 3 others, the only one that wasn't listed was fresh, because often out scent and taste work together to help us find rotten foods, but we find that by smelling putrid scents or pungent scents, rather than fresh scents. Therefor the correct response is fresh

Where do plants and animals get carbon? Explain​

Answers

Answer:

From the air

Explanation:

For plants especially its the sunlight. The animals then eat the plants transferring the carbon into their bodies.

Answer:

Where do plants and animals get carbon? Explain​

Remember that plants and other producers capture carbon dioxide and deplete it in glucose (C 6 H 12 O 6) through photosynthesis. Then when animals eat plants and other animals, they get the carbon from those organisms.

Explanation:

I hope it helps you :)♫

Which of the following is not a source of genetic variation?

A
sexual reproduction

B
asexual reproduction

C
mutations

D
crossing over during meiosis I

Answers

Asexual because it is basically cloning itself

which of the followimg could be reasons why popultion sizes may reach and maintaim plateaus? choose the three that apply

Will mark as brilliant answer

Answers

Answer:

Below :D

Explanation:

So basically, this question is asking what will cause a species' population to reach a point where it stops increasing.

Lets think about what can cause a lack of increase?

A decrease can cause this.

Or a slow in the rate of increase.

Now lets look at our selectable answers and see if any of them would fall under these two things.

First up is fewer deaths.

Well, fewer deaths basically means less of a decrease in population.

This is the opposite of decreasing the populatin count, and would instead raise it.

Next we have a limit in food supply.

This would cause a organism to starve and die.

So this would cause a decrease in population count.

So B is one of the answers

Next up is competition with other species.

When two species compete for a sort of resources, one massivly dies out due to outcompetion, and loses the resources needed to survive.

So this would also cause a large decrease in population count.

This makes C one of the answers

Next is increase in birth rates.

This would cause more organisms to be born of a species, basically increasing the population count.

This is the opposite of a decrease in  population.

Next we have competition for space.

This is very similar to answer C, and the outcompeted species dies out due to lack of space.

So E is one of the answers

Now, the next answer seems viable, because major storms can kill off organisms, like hurricanes, earthquakes, and volcanos for instance.

However, as seen in many organisms over history, while these major storms kill of organisms, they can recover.

So although major storms decrease populations, they dont actually limit them.

In the end:

B is correct

C is correct

E is correct

Hope this helps!

can people see solar winds?

Answers

Answer:

Yes

Explanation:

astrophysicists can now see the solar wind with their own eyes.

When designing an experiment, you come up with the question: How does the amount you talk to a plant help it grow? Which would be the best hypothesis

Answers

Answer:

The correct answer is - "If you increase the amount you talk to plants, then they will grow taller"

Explanation:

A hypothesis is a proposed or assumed explanation for the natural system or problem. It forms on the pre-existed or known data or knowledge. A good hypothesis should have the ability to relate to dependent and independent variables.

In this case, the best hypothesis would be "If you increase the amount you talk to plants, then they will grow taller" as it relates to the dependent and independent variables that are the growth of the plant and talking to the plant respectively.

What is the purpose of mitosis?

Answers

Answer:

Mitosis creates more diploid cells by copying each chromosome and moves it to the other side of the cell.

Explanation:

This lets the cell get divided straight down the middle.

Maja puts a hockey puck onto ice. After a while the temperature of the hockey puck decreases. What happens to the molecules of the hockey puck when the temperature of the puck decreases?

Answers

Answer: The energy of the molecules in the hockey puck decreases.

Explanation:

When the temperature of the hockey puck decreases, then the energy of the molecules in the hockey puck decreases as well.

In this scenario, when the temperature of the hockey puck decreases, then the hockey puck will gain heat molecules and the cold energy of the molecules that are in the hockey puck will reduce.

A dominant allele masks/hides the effect of a recessive allele.

Answers

Answer: True

Explanation: If you have a dominant allele it will show in the phenotype of the organism. To show a recessive allele you need a recessive pair consisting of only recessive alleles

Hope this helps

State how the TR4 fungus threatens homeostasis within the banana plant​

Answers

Answer: The Panama illness is a contagious illness that TR4, or Tropical Race 4, is a Fusarium wilt strain that kills banana plants. According to the ICA, the fungus “forms resistant structures that allow it to persist for more than 30 years,” making it tough to confine.

Explanation:

knowledge!

Are your two DNA strands similar? How do?

Answers

In short, DNA is a complex molecule that consists of many components, a portion of which are passed from parent organisms to their offspring during the process of reproduction. Although each organism's DNA is unique, all DNA is composed of the same nitrogen-based molecules.

What would you expect to occur if you were to repeatedly lift 25 pounds over your head for 1 minute, rest for 1 minute, and then repeat the exercise?

Answers

Your weight would remain the same

Can someone help me if this is correct

Answers

Answer:

I think your answer is wrong. The right answer is D. Nucleus & Ribosome.

Explanation:

A process that takes place in the cells of all living things: the production of proteins. This process is called protein synthesis, and it actually consists of two processes — transcription and translation. During translation, the genetic code in mRNA is read and used to make a protein. These two processes are summed up by the central dogma of molecular biology: DNA → RNA → Protein. In eukaryotic cells, transcription takes place in the nucleus. During transcription, DNA is used as a template to make a molecule of messenger RNA (mRNA). The molecule of mRNA then leaves the nucleus and goes to a ribosome in the cytoplasm, where translation occurs.

The nucleus contains the cell's DNA and directs the synthesis of ribosomes and proteins. Typically, the nucleus is the most prominent organelle in a cell. Eukaryotic cells have a true nucleus, which means the cell’s DNA is surrounded by a membrane. Therefore, the nucleus houses the cell’s DNA and directs the synthesis of proteins and ribosomes, the cellular organelles responsible for protein synthesis.

en donde se produce La citocinesis

Answers

La citocinesis ocurre al final del ciclo celular después de la mitosis o meiosis. En la división de células animales, la citocinesis ocurre cuando un anillo contráctil de microfilamentos forma un surco de escisión que pellizca la membrana celular por la mitad. En las células vegetales, se construye una placa celular que divide la célula en dos.

Hope this helps (i dunno Spanish but thats the translators job to know)

URGENT!!!

There is a population of one horned horses in Pangea, and the original
population is 1000 individuals. If their birth rate is 10/1000 and their
death rate is 50/1000, there is an immgration rate of 10 per year from
Islandea, and an emigration rate of 20 per year to Mystique Island.
How long until the populaiton goes extinct? years
(Hint - divide the original population by the rate of change)

Answers

Answer:

i need the same thing

Explanation:

How do wales differ from fish

Answers

Answer:

Whales are mammals that need air from the sea's surface to survive. Whales are capable of giving birth to live young. Fish have gills and use them to draw oxygen from the water. The majority of fish lay eggs. Whales and other marine animals with horizontal tail fins, such as dolphins, have vertical tail fins, while fish have vertical tail fins.

hope this helped!

Whales are mammals
They need air to survive and they give out babies nine eggs

What is an organism made of one cell called

Answers

Answer:

Unicellular organisms

Explanation:

which nutrients are present in solution x?

Answers

here is an explanation sorry if it’s long :/


Nutrients are chemical substances found in every living thing on Earth. They are necessary to the lives of people, plants, animals, and all other organisms. Nutrients help break down food to give organisms energy. They are used in every process of an organism’s body. Some of the processes are growth (building cells), repair (healing a wound), and maintaining life (breathing).

Plants and other autotrophs absorb nutrients from soil and water. Autotrophs are organisms that can make their own food. The most important nutrients they need are carbon, hydrogen, and oxygen. Other nutrients needed by plants are nitrogen, phosphorous, potassium, calcium, magnesium, and sulfur.

From these basic nutrients, plants and other autotrophs synthesize, or create, their own nutrients, such as sugars. The human body can also synthesize some nutrients, such as amino acids. However, most organisms need nutrients created by autotrophs. People and animals get most of their nutrients from food.

Essential nutrients are nutrients that the human body is unable to synthesize. They must be obtained from food or water. Essential nutrients include carbohydrates, proteins, fats, vitamins, and minerals.


Atoms are the most basic unit of matter. Two or more atoms from the same or different elements can combine to form molecules.
Cells are the most basic unit of life. Cells are made up of many different types of molecules. Which of the following accurately shows higher levels of organization within organisms, from least complex to most complex?
A. cells → organs → organ systems → tissues → organism
B. cells → tissues → organs → organ systems → organism
C. cells → organ systems → organs → tissues → organism
D. cells → organs → tissues → organ systems → organism
PLZ EXPLAIN WHY THE OTHER ANSWERS R INCORRECT

Answers

The correct answer is B because that is the order form least complex to most complex. Hope this helps and have a good summer!
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