Explain why serine proteases do not catalyze hydrolysis if the amino acid at the hydrolysis site is a D-amino acid. Trypsin, for example, cleaves on the CC-side of L-ArgArg and L-LysLys, but not on the CC-side of D-ArgArg and D-LysLys.

Answers

Answer 1

Answer:

Explanation:

A protease is an enzyme that catalyzes the hydrolysis of the peptide bonds that tie polypeptide chains together, releasing individual amino acid subunits. The L and D nomenclature for amino acids defines the structure of the glyceraldehyde isomer through which the amino acid can be produced.

SEE BELOW FOR THE APPROPRIATE STRUCTURES.

We need to figure out why swine proteases hydrolyze L-amino acids but not D-amino acids in any way. we know that enzymatic catalysts act as polypeptides if you can recall. They must retain a very precise three-dimensional structure for a catalytic activity to occur. Substrates that do not quite match the required configuration at the active site will not be reacted to — this is a "lock and key" style.

The present exercise may be explained by the fact that the configuration and structure of D-amino acids prevent them from binding properly to the active site of the protease enzyme. Perhaps they're pointed in the wrong direction, or perhaps there happens to be missing electrical interaction that's needed to keep the substrate in position.

Nonetheless, L-amino acids, on the other hand, seem to have the right configurational aspects in the active site and are hydrolyzed.

Explain Why Serine Proteases Do Not Catalyze Hydrolysis If The Amino Acid At The Hydrolysis Site Is A

Related Questions

what Occurs when the agents of erosion (water, wind, ice, gravity) slow down
or stop, and lay down sediment.

Answers

Answer:

then landscape would rarely happens and the there will be a lot of rocks  smooth surface

Explanation:i really don't know

Please don't use this question for points or you'll be reported I am timed can you please help?


The table below shows data collected in an experiment about gases in inhaled and exhaled air. Percentages of Chemicals in Air O2 CO2 Inhaled 20.94% 0.03% Exhaled 16.37% 4.46% Suppose a similar experiment was set up to measure changes in air composition immediately before and two days after twenty potted plants were placed in a clear, sealed aquarium near a window. Percentages of Chemicals in Air O2 CO2 Before 20.94% 0.03% After ? ? How would the second row of values in the plant experiment most likely compare to the second row of values in the original experiment? Oxygen levels would be higher, but carbon dioxide levels would be lower. Carbon dioxide levels would be higher, but oxygen levels would be lower. Oxygen levels would be higher, but carbon dioxide levels would be the same. Carbon dioxide levels would be higher, but oxygen levels would be the same.

Answers

Answer:

Option A is the answer

Explanation: I took the test

Answer: A

Explanation: Edge 2020

Natural selection is best described as
a. disruptive selection
b. stabilizing selection
С. a mechanism of evolution
d directional selection

Answers

(B.) Stabilizing selection

How is gamete different from other type of cells in a persons body?

A. It has four times the number of chromosomes
B. It has no chromosomes
C. It has twice the number of chromosomes
D. It has half the number of chromosomes

(I’ll give points + brainalist for the correct answer)

Answers

Answer:

d

Explanation:

it has half the chromosomes

Please help this is science

Answers

[tex]\sf\purple{23}[/tex] (No. of chromosome pairs) x 2 = [tex]\sf\red{46}[/tex] (No. of chromosomes)

................................................MORE:-Humans have 23 pairs of chromosomes, for a total of 46 chromosomes.The two types of chromosomes are:-[tex]\sf\blue{Autosomes}[/tex] - There are 22 pairs of autosomes in humans. [tex]\sf\pink{Gonosomes\:or\:sex\:chromosomes}[/tex] - They are X and Y chromosomes. In the case of males, they have one X and one Y chromosome, while females possesses two X chromosomes...................................................

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Why does glucose more soluble in water comparing to benzoic acid?
Thanks :)​

Answers

Answer:

because it dissolves in water very well

Explanation:

Mitosis is the process through which a cell replicates its DNA and produces two identical daughter cells. If a cell undergoing mitosis is currently in anaphase as shown in the diagram below,

Answers

B because I’m in 7th grade I learned abt this

The duplicated genetic information found in a parent cell's nucleus is divided into two identical daughter cells during the fourth stage of mitosis, referred to as anaphase. Thus, option B is correct.

What mitosis process through which cell replicates its DNA?

The sister chromatids are able to separate because the protein “glue” holding them together is degraded. Each chromosome now exists on its own. The opposing ends of the cell are drawn to the chromosomal pairs in each pair.

The replication fork is connected to a number of proteins that aid in the  The way DNA polymerase creates new strands is mostly by include nucleotides that complete each (template) strand. The S-stage of interphase is when DNA replication happens.

Therefore, Sister chromatids split from one another and are drawn to the opposite ends of the cell during anaphase.

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Explain how demagnetizing a magnet (or temporary magnet) affects the domains.

Answers

Answer:

So, heating a magnet disrupts the domain walls and it becomes easy for the magnetic domains, which are ordinarily lined up, to rotate and become misaligned. They are now less aligned and point in the opposite direction to their neighbors, causing a decrease in the magnetic field and loss of magnetism.

Comprehensive detail and links between structure and functions of cells and different tissue in animals

Answers

The main diffrence between their tissue is

1.Plant structure is different from the animal skeletal structure. A plant tissue is different from those in animals. Plant tissues are basically divided into two: Meristematic tissue and Permanent tissue.

Meristematic tissue: These tissues comprise of cells which have the dividing capacity. They are immature and help plants to divide continuously throughout the life. Depending on the site of location, it is of three types. Apical, lateral and intercalary meristems. These meristems enlarge the cell and increase the length and width of the stem, roots and leaves.

Permanent tissue: Permanent tissues are derivative of meristematic tissue. They don’t have the dividing capability but aid in other functions like conduction of substances, storage of food etc. Two types of permanent tissues are found in plants i.e. simple and complex permanent tissue. Simple permanent tissues include parenchyma, collenchyma and sclerenchyma while complex tissues are xylem and phloem.

Animal body is made of four different types of tissues.

Epithelial Tissue

Muscle Tissue

Connective Tissue

Nerve Tissue

Epithelial Tissue: All organs in the body are lined with a group of tissues called epithelial tissues. They cover the surface of all internal as well as external organs. There are four types of epithelial tissues: Squamous epithelium, Stratified epithelium, Cuboidal epithelium and Columnar epithelium. They may be cuboidal, columnar or even flat. The main functions of these tissues involve protection, secretion, absorption, sensation etc..

Muscle Tissue: This type of tissue forms three types of muscles, namely skeletal (striated or voluntary) muscle, smooth (unstriated or involuntary) muscle and cardiac (heart) muscle. They help in movement by contraction and relaxation of muscles.

Connective Tissue: As the name suggests, they connect the different tissues, organs and parts of the body. Different types of connective tissues are Areolar tissue, Adipose tissue (fat), Blood, Lymph, Bone and Cartilage. They connect and support organs and also transport substances between organs.

Nervous Tissue: These tissues are made up of specialised cells called nerve cells (neurons). They conduct and transmit electrochemical impulses between neurons.

Question 9 (2 points)
The four major biogeochemical cycles are the carbon cycle, the water cycle, the
____ and the _____. Fill in the blanks

Answers

Answer:

Nitrogen and the Oxygen cycle :)

Explanation:

Nitrogen cycle and the oxygen cycle

What is the difference between convergent plate boundaries that have plates of the same density to convergent plate boundaries with plates of different densities.

Answers

Answer: If they have the same density, they will be pushed up together creating a mountain. If the plates have different density then the one with more density overlaps the other.

Explanation:science

Two dogs–a boxer and a poodle–were the first to have their entire genomes sequenced. The dog genome contains 2.8 billion2.8 billion base pairs across 3939 pairs of chromosomes. They have 19,00019,000 protein-coding genes, most of them with close counterparts in other mammals, including humans. What is the total number of chromosomes in a dog?

Answers

Answer:

78 chromosomes

Explanation:

Since the number of chromosomes in a dog are diploid, we have 2n chromosomes where n = number of chromosome pairs.

Since n = 39.

The number of chromosomes is 2n = 2 × 39 = 78 chromosomes

So, a dog has 78 chromosomes.

The process of natural selection is seen most quickly in organisms that can reproduce many generations in the shortest amount of time. Based upon this information, which type of organism would exhibit the most rapid rate of evolution?
1.bacteria
2.fruit flies
3.finches
4.humans

Answers

Answer:

2

Explanation:

one time within 2 days my house was filled with fruit flies

Answer:

Bacteria

Explanation:

Bacteria reproduce most quickly .  Fruit flies can go from the egg to sexual maturity in 3 weeks while bacteria can reproduce once they are "born" and can do so multiple times a day, while fruit flies can reproduce if mature once every day about.  

Finches and humans obviously have much slower rates of reproduction.

3. Which statement describes a difference between
the nitrogen and carbon cycles?
a. The carbon cycle involves only plants.
Ob. The nitrogen cycle requires a process
called nitrogen fixation that is carried out by
certain bacteria.
O c. The carbon cycle requires freezing
temperatures.
d. The nitrogen cycle occurs entirely in
the ocean.

Answers

Answer:

a.

Explanation:

The carbon cycle involves only plants. The nitrogen cycle requires a process called fixation, which makes the nitrogen more usable for living organisms. The carbon cycle requires that temperatures be above 27 °C (80 °F).

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The statement that best describes a difference between the nitrogen and carbon cycles is the nitrogen cycle requires a process called nitrogen fixation that is carried out by certain bacteria.

What are the main differences between the nitrogen and carbon cycles?

The main difference between nitrogen cycle and carbon cycle is that nitrogen cycle describes the conversion of nitrogen into multiple chemical forms and its movement between the different ecosystems. Whereas the carbon cycle describes the movement of carbon and its multiple chemical forms between the atmosphere, lithosphere and hydrosphere.

Microbes are involved in the nitrogen cycle process. Both plants and animals participate in the carbon cycle.

Thus, the statement that best describes a difference between the nitrogen and carbon cycles is option (b).

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what describes when energy is released from an ATP molecule?

Answers

Answer:

hydrolysis

Explanation:

The process of hydrolysis is when one phosphate group is removed by breaking a phosphoanhyride bond. Then energy is released and ATP converts into ADP.

Which of the following might be affected by the loss of a plant species?
a. Only organisms that feed directly off the lost plant species will be affected.
Other plant species will be affected, but no other organisms will.
Multiple organisms may be affected by the loss of a plant species.
d. No other organisms would be affected.
Please select the best answer from the choices provided
ОА
OB
ОС
OD

Answers

[tex]\sf\purple{C.\:Multiple \:organisms\: may\: be\: affected \:by \:the \:loss \:of \:a \:plant\: species.✅}[/tex]

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Where does most of the water that evaporates from the Earth come from?
A.
Oceans
В.
ponds
C.
rivers
D.
lakes

Answers

Answer:

A

Explanation:

the answer is a, oceans

How can you tell from a food web which organisms will have the greatest biomass?

Answers

Answer:

How can you tell from a food web which organisms will have the greatest biomass?

The tropic level contains the greatest biomass in most ecosystems is producers. This occurs because producers get their energy from the sun, the sun is the most available resource, so there are the most at that level.

Explanation:

I hope that this answer has helped you to more thoroughly understand your question asked. If you have any further questions, please do not hesitate to ask them below.

Have a great rest of your day/night!

12. Which color of visible light extends to the deepest depth in the open ocean?
O A, Blue
O B. Yellow
O C, Red
OD. Orange

Answers

Answer: Blue is the answer

As a population grows past the ecosystem's ______ the size of the population will _____ until the size of the population stabilizes at a constant level

Answers

Answer:

carrying capacity , increase

Explanation:

Up to the the population carrying capacity the the population will increase to give a perfect balance and when the population will be much then the population will decrease.


3.1
Suggest which leaf carries out more photosynthesis and explain why.

Answers

Explanation:

Leaf that are really green, because they contain Lots of chlorophyll in the chloroplast which is the main site for photosynthesis

Imagine researchers following up on seeley's study brought some flat periwinkles appledore island into the lab to test for heritability. What results could they observe that would support the hypothesis that shell thickness is heritable in these snails?

Answers

Answer:

If thick-shelled snails have thick-shelled offspring and thin-shelled snails have thin-shelled offspring then this is good evidence that shell thickness is heritable.

Explanation:

Inheritance is a natural mechanism by which genetic information contained in the DNA sequence is passed from parents to offspring. Moreover, heritability is a measure of the genetic influence on the variation in a particular phenotypic trait (e.g., height, eye color, etc.) between individuals in a population. The values of heritability for a particular phenotypic trait range from zero (when all variation in a population comes from environmental factors and therefore is not heritable) to one (when all variation in a population comes from genetic factors and therefore is heritable). For example, in this case, if parental snails always have offspring with the same phenotype for the trait ‘shell thickness’, it would indicate that the heritability for this trait is equal to one, thereby evidencing that all of the variability for the trait 'shell thickness' comes from genetic differences.

Reproductive system
Explain How does a fetus get nourishment up
until the time it is born?

Answers

Answer:

The fetus gets it's nourishment through the umbilical cord that is connected to the mother's uterus

You have identified a new, recessively inherited trait in dogs: floppy ears. To determine if the gene for Floppy Ears is X-linked or not, you should:

Answers

Answer:

Cross a non-floppy-eared male to a floppy-eared female and observe if males offspring have the floppy ear trait

Explanation:

Mammals (e.g. dogs) have two sex chromosomes: X and Y. In the XY sex-determination system, the female gamete (i.e., the ovum) contributes to an X chromosome, while the male gamete (i.e., the sperm) contributes either an X chromosome or a Y chromosome: normal females are XX and normal males are XY. In consequence, a male always inherits its X chromosome from the mother and its Y chromosome from the father. In this case, the presence of the floppy ear trait in all males F1 offspring obtained by crossing a non-floppy-eared male to a floppy-eared female indicates that this trait is linked to the X chromosome because males inherit the floppy ear trait from the mother.

Please hurry!!! and help!!

Best answer gets marked Brainliest!!!!

Question 1

Which statement best describes adaptation?

A)Adaptation is the process of species gradually changing over many generations

B)Adaptation is process of plant gradually changing over time

C)Adaptation is a trait that helps an organism survive and reproduce

D)Adaptation is a difference between individuals of the same species

Answers

Answer:

C

Explanation:

Process of elimination

A= Evolution

B= Should have nothing to do with plants

C= Makes sense

D= Variation

Please give me 'Brainliest'

A. Somalia B. Kenya C. Spain D. Nigeria​

Answers

Answer:

Somalia

Explanation:

Strong contrasts in texture have what effect on a monochromatic design?

Answers

Answer:

It prevents monotony

Explanation:

Strong contrasts in texture have a primary effect on monochromatic design by ensuring it’s more eye catching and not too plain.

Contrasts is a term used to describe the display of an objects dissimilar sides. A monochromatic light is known to have just one color and the strong contrasting texture however makes it possible for it to have different color differences thereby preventing monotony.

Question 1/4
According to the Big Bang theory, what happens if you reverse the galaxy motion and go back in time?
A. Everything would become condensed into one dense point
B. Some things would remain the same, while others go back
C. Everything would be the same as it is today.
D. You would find everything in a large cloud of cold isolated gas

Answers

I believe the answer is A

According to the Big Bang theory, if you reverse the galaxy motion and go back in time A. Everything would become condensed into one dense point.

The Big Bang Theory simply explains how the universe was formed from a large explosion. According to the Big Bang theory, the universe was formed as a result of the explosion of particles.

The reverse of the Big Bang Theory simply means the scenario where the expansion of the universe reverses. This is also called the Big Crunch. This will lead to the recollapse of the universe.

In this case, the cosmic scale also reaches zero. Then, everything would become condensed into one dense point.

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What do all cells need in order to perform cellular respiration? I know that in anaerobic respiration, oxygen is not needed but I am unsure about the answer to this question.

Answers

Answer:

glucose

Explanation:

Answer:

Oxygen and Glucose

Explanation:

Oxygen and glucose are both reactants in the process of cellular respiration. The main product of cellular respiration is ATP; waste products include carbon dioxide and water.

What is the function of RNA in a cell?

Answers

Answer:

The central dogma of molecular biology suggests that the primary role of RNA is to convert the information stored in DNA into proteins.

hope this helps

have a good day :)

Explanation:

Answer:

The primary functions of RNA are as follows:

Facilitate the translation of DNA into proteins

Functions as an adapter molecule in protein synthesis

Serves as a messenger between the DNA and the ribosomes.

They are the carrier of genetic information in all living cells

Promotes the ribosomes to choose the right amino acid which is required in building up of new proteins in the body.

Explanation:

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