during peptide bond formation, _____ performs a nucleophilic attack on ______.

Answers

Answer 1

During peptide bond formation, the amine group of an amino acid performs a nucleophilic attack on the carbonyl carbon of another amino acid.

A peptide bond is a covalent bond formed between two adjacent amino acids, resulting in a dipeptide.

In peptide bond formation, the carboxyl group of one amino acid undergoes a dehydration reaction with the amino group of another amino acid. During this reaction, the carbonyl carbon of the carboxyl group is attacked by the amino group's nitrogen atom with the help of ribosomes. As a result, a peptide bond is formed between the two adjacent amino acids, resulting in a dipeptide. This process is repeated over and over again until a polypeptide chain of amino acids is created.

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Related Questions

Choose the best answer.
Crossing over is important because it creates

A)gene splicing
B)new breed
C)genetic diversity
D)zygote
E)double helix

Answers

Answer: C) genetic diversity

Explainiton : Crossing over is essential for the normal segregation of chromosomes during meiosis. Crossing over also accounts for genetic variation, because due to the swapping of genetic material during crossing over, the chromatids held together by the centromere are no longer identical.
C- Genetic diversity !

What evidence would be crucial in a forensic anthropologist's investigation?

bruised muscle around one shoulder
several bone fragments located at the back of the head
the name of the person who inflicted to injury
the pool of blood under the body

Answers

several bone fragments located at the back of the head

In eukaryotes, transcription factors and enhancer sequences are used to regulate transcription. Classify the following statements as true or false. TRUE ___
FALSE ___
- Transcription factors bind to the entire enhancer sequence. - Enhancer sequences are composed of DNA base pairs - Enhancer sequences directly alter transcription levels. - Transcription factors always decrease transcription levels. - Enhancer sequences can be located thousands of base pairs downstream from the transcription start site.

Answers

Eukaryotic repressors bind to specific DNA sequences and prevent transcription, just like their prokaryotic counterparts. Hence (b) and (c) are true and (a), (d) and (e) are false.

A true statement is that enhancer sequences can be found thousands of base pairs after the transcription start point. DNA base pairs make up enhancer sequences. False: Enhancer sequences modify transcription levels directly. Levels of transcription are always increased by transcription factors. The whole enhancer sequence is where transcription factors bind. Enhancer regions, in addition to promoter sequences, aid in enhancing transcription. Enhancers may exist upstream, downstream, inside a gene, on different chromosomes, or anywhere in between. Enhancer areas are where transcription factors bind to promote or inhibit transcription. Both transcriptional activators and repressors control gene expression in eukaryotic cells.

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In eukaryotes, transcription factors and enhancer sequences are used to regulate transcription. Classify the following statements as true or false. TRUE ___

FALSE ___

a. Transcription factors bind to the entire enhancer sequence.

b. Enhancer sequences are composed of DNA base pairs

c. Enhancer sequences directly alter transcription levels.

d. Transcription factors always decrease transcription levels.

e. Enhancer sequences can be located thousands of base pairs downstream from the transcription start site.

Beneficial bacteria are found in our digestive tract
A. true
B. False

please help

I will give brainliest and 5 * and 10 points for the best answer

I don't want to see an link if I do you will be reported

Answers

A true hope that helps
(A) is true bacteria is found in are digestive tract

a major difference between fetal blood flow and adult blood flow is that in the fetus thegroup of answer choicesinternal iliac arteries are known as umbilical arteries.inferior vena cava contains blood high in oxygen.pulmonary artery delivers blood to the lungs.femoral vein contains blood low in oxygen.

Answers

A major difference between fetal blood flow and adult blood flow is that in the fetus the internal iliac arteries are known as umbilical arteries. The inferior vena cava contains blood high in oxygen, and the pulmonary artery delivers blood to the lungs.The circulatory system is responsible for blood flow in the human body.

Blood circulation is divided into two distinct phases: fetal blood flow and adult blood flow. The fetus has a unique blood flow system. Oxygen and nutrients are provided to the fetus by the umbilical cord.The internal iliac arteries are the primary vessels that supply blood to the fetal pelvis and lower limbs. These arteries become known as the umbilical arteries in the fetus. The umbilical cord carries oxygenated blood from the placenta to the fetus and returns deoxygenated blood to the placenta.The inferior vena cava (IVC) is a major vein that carries deoxygenated blood from the lower half of the body to the right atrium of the heart in adults. Blood with high oxygen content is found in the IVC in the fetus.

The pulmonary artery carries deoxygenated blood from the heart to the lungs, whereas the pulmonary veins transport oxygenated blood from the lungs to the heart. Blood with low oxygen content is found in the femoral vein of the adult body.Fetal blood flow and adult blood flow differ significantly. The umbilical cord in the fetus carries oxygenated blood from the placenta to the fetus and returns deoxygenated blood to the placenta. The internal iliac arteries supply blood to the fetal pelvis and lower limbs. The inferior vena cava carries blood high in oxygen, while the pulmonary artery carries blood low in oxygen. The femoral vein carries blood low in oxygen in adult circulation.

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Using the karyotype below and the chart from the last screen:
A. Determine the sex of the patient
B. State the total number of chromosomes of the patient
Diannose the patient.

Answers

A. Individual is female because there is no Y chromosome

B. 47 chromosomes

C. Triple X syndrome

GIVING BRAINLIEST!!!


Birds ______________ when resources such as food and nesting locations are low. Migrating is a behavioral adaptation.

Answers

Answe

Explanation:

Birds __MIGRATES__when resources such as food and nesting locations are low. Migrating is a behavioral adaptation.

Answer:

Person above was right. Birds migrate when resources are low.

Explanation:

Chrome 2022.

anyone really good at biology can help me ​

Answers

Answer:

im kinda okay

Explanation:

what do you need help on?

Answer:

Ok I will also hepl.

Explanation:

What is your question

In the film, what challenges are identified that correlate to population growth?

Answers

The challenges that are identified in the film which correlate to population growth are:

OverpopulationEnvironmental degradationWhat resulted from population growth according to the film ?

When there are too many people in a given area, it can lead to a number of problems, such as shortage of resources, such as food, water, and shelter. This can lead to conflict and violence as people compete for resources. It can also lead to the spread of disease, as more people are in close contact with each other.

Population growth can also lead to environmental degradation, as more people put a strain on natural resources. This can lead to problems such as deforestation, climate change, and loss of biodiversity.

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The film name is The Day After Tomorrow.

what critical service supports shared objects, logon services, print services, and remote procedure calls?

Answers

The critical service that supports shared objects, logon services, print services, and remote procedure calls is the Remote Procedure Call (RPC) service.

This is an inter-process communication (IPC) technique that enables the communication between a client and server process across different networks, even on different operating systems. RPC service enables a client to invoke a method on a server and receive a response as if the client were running on the same device as the server. The primary function of RPC service is to facilitate the communication between client and server programs over a network. RPC service is built on a client-server model that runs as a service on the server and handles client requests sent by the client as input parameters in a method call.

RPC service supports shared objects, logon services, print services, and remote procedure calls through various protocols like Transmission Control Protocol (TCP), User Datagram Protocol (UDP), and Remote Direct Memory Access (RDMA). RPC service is an essential part of the Windows operating system and is required for many system processes and applications to function correctly. It plays a crucial role in the Windows environment as it provides a common mechanism for different processes running on different machines to communicate with each other. So therefore he Remote Procedure Call (RPC) service is the critical service that supports shared objects, logon services, print services, and remote procedure.

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True or false
Prokaryotic cells can’t replicate DNA, because they do NOT possess nuclei.

Answers

Answer:

False

Explanation:

Prokaryotes do have their genomic DNA concentrated and localized to a small area within the cell (nucleoid region). So it's not entirely accurate to say that prokaryotes don't have a nucleus.

Answer:

true

Explanation:

prokaryotics are cells without nucleus

(10 points)
The diagrams below show some changes in an
environment over time.
(A)
(B)
(C)
Which phrase best describes this sequence of
diagrams?
(1) the path of energy through a food web in a
natural community
(2) the altering of an ecosystem by a natural
disaster
(3) natural communities replacing each other in
an orderly sequence
(4) similarities between an aquatic ecosystem
and a terrestrial ecosystem
(D)
r

Answers

Answer:

The correct answer is - (3) natural communities replacing each other in an orderly sequence

Explanation:

In this diagram, there is ecological succession occurred, the process of the new natural community over the older natural community in an orderly sequences.

In this case, there are change from an aquatic ecosystem to new land ecosystem by changing various biotc and abiotic factors. The ecosystem go through various changes and physical changes.

IITIUIT! 2. Whịch kingdoms have organisms that can make their own food?

Help ​

Answers

the protista and plantae

State and describe three major factors that lead to reef erosion.

Answers

Reef erosion has occured due to overfishing, pollution and unsustainable forms of tourism, among other reasons.

Due to the increasing pollution, there are a number of toxicants and pollutants released in the air and water. As a result, there can be an increase in the growth of algae and other organisms that can hinder the growth or destroy the reefs.

Overfishing is also harmful to the coral reefs. Fishing nets left as debris cause entangling of the live corals which tears them away from their bases. The anchors used for fishing also can break and ruin coral reef colonies.

Increased tourism also adversely affects coral reefs. Irregukarized building of hotels and tourist places, irresponsible business management as well as irresponsible behavior of tourists also poses a threat to reefs.

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How is a cell like a stadium

Answers

Answer:

A Cell Wall is like the structure of the stadium because the both hold the cell together and protect from attack

Explanation:

Which of the following statements about the population in this graph is true?

It is increasing slowly.

It is increasing rapidly.

Answers

Answer:

It is increasing rapidly.

here is your answer

don't forget to give some hearts

Explanation:

The statement which is true about the population in this graph is that it is increasing rapidly. Thus, the correct option for this question is B.

What is a Population?

A population may be defined as a group of individuals belonging to the same species living in the same area at a definite time. The size, density, birth rate, death rate, and abundance, are some characteristics of a population. These characteristics of the population are known as demographic factors.

According to the context of this question, the axis of the graph is increasing very rapidly. It determines the rate of population towards rapid growth. The growth of any population depends on various factors such as space, food, resources, mating partners, availability, etc.

Therefore, the statement which is true about the population in this graph is that it is increasing rapidly. Thus, the correct option for this question is B.

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normal components and a messenger rna (mrna) with the sequence 5′−uuuugccauguuugugcu−3′. what is the sequence of the radiolabeled peptide renata produces?

Answers

The sequence of the radiolabeled peptide produced by Renata can be determined by translating the mRNA sequence using the genetic code. The genetic code is a set of rules that specifies how the sequence of nucleotides in mRNA is translated into the sequence of amino acids in a protein. Each three-nucleotide sequence, called a codon, corresponds to a specific amino acid or a stop signal.

The mRNA sequence provided is 5′−UUUUGCCAUGUUUGUGCU−3′. To determine the sequence of the radiolabeled peptide produced by Renata, we can use the genetic code to translate the mRNA sequence into the corresponding amino acid sequence. Each codon in the mRNA sequence codes for a specific amino acid, and the sequence of codons determines the order of amino acids in the peptide chain. Using the genetic code, we can translate the mRNA sequence into the corresponding amino acids. Starting from the 5' end of the mRNA sequence, the codon UUU codes for the amino acid phenylalanine (Phe). The codon GCC codes for the amino acid alanine (Ala), and so on. By translating each codon, we can determine the sequence of amino acids in the peptide produced by Renata. Therefore, based on the provided mRNA sequence, the radiolabeled peptide sequence produced by Renata would be Phe-Ala-Met-Leu-Cys.

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A football team lost 14 yards on their first play then lost another 7 yards on the next play. what internet represents the total change in yards for the two plays?

Answers

Answer:

-21

Explanation:

Guessing autocorrect took "integer" and put in "internet"?

- 14 yards -7 yards = -21 yards

What is the meaning of STEM

Answers

Answer:

Science, Technology, Engineering, and Math.

Answer:

problem solving creativity critical analysis

STEM is an approach to learning and development that integrates the areas of science, technology, engineering and mathematics. Through STEM, students develop key skills including: problem solving. creativity. critical analysis.

Explanation:

This should help! Have a great day!!

what happens during interphase?the nucleus grows to its full cell grows to its full nucleus divides into two cell divides into two cells.

Answers

During interphase, which is the longest phase of the cell cycle, the cell undergoes several crucial processes in preparation for cell division. It can be divided into three main stages: G1 (Gap 1), S (Synthesis), and G2 (Gap 2).

In the G1 phase, the cell grows in size, performs its regular metabolic activities, and prepares for DNA replication. The nucleus is intact and not dividing during this stage.

The S phase is characterized by DNA replication, where the cell's genetic material is duplicated. Each chromosome forms two identical sister chromatids that remain attached at the centromere.

The G2 phase follows DNA replication and is focused on cell growth and preparation for division. The cell continues to synthesize proteins, increase in size, and check for any DNA damage or errors.

Therefore, during interphase, the cell grows in size, performs necessary metabolic activities, replicates its DNA, and ensures proper preparation for subsequent cell division.

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HELP...ill give brainliest! PICTURE ATTATCHED!!!!!!

Answers

Answer:

D I think is the answer

Which of the following explains why cattle should not be given apples?
Apples cause bloat in cattle,
Apples cannot be digested by cattle,
Apples lead to infertility in cattle,
Apples contain insufficient nutrients for cattle

Answers

Answer:

"Cows that eat apples can get a bloated stomach and die. But that's not what's happening when your cattle feed on apples fallen on the ground or those that you offer them to diversify their diet. ... So, if you plan to introduce apples into your cows' diet, do so gradually."

So your best choice is option A!

Explanation:

- Eijiro <3

26 POINTS!!!!!!!! | Which statement best describes trait distribution?

A.) Distribution describes how the variation in traits is spread across a population.

B.) Distribution describes the different traits that are found in a population.

C.) Distribution describes how individuals in a population are spread across their habitat.

D.) Distribution describes the different traits that are found in a species.

Answers

Answer: I think its b not sure though

Explanation:

have a great day :)

The statement which best describes trait distribution is: B. Distribution describes the different traits that are found in a population.

What is a trait?

A trait can be defined as a distinguishing quality, feature or characteristic that is possessed by a living organism and it differentiates from other species of organisms.

Generally, a trait is commonly transferred from the parent of a living organism to her offspring, so as to distinguish him or her from others.

The examples of traits:

In Genetics, some examples of traits include the following:

Colorblindness Curly hairHeight Complexion

On a related note, a trait distribution refers to different traits that are possessed by a living organism found in a population.

In conclusion, trait distribution is described as different traits that are found in a population.

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Lungs, Trachea, Diaphragm, Nose: Which organ system do these belong to?
Circulatory
Excretory
Digestive
Musculoskeletal
Respiratory

Answers

Answer:

Respiratory

Explanation:

they all come together and help with breathing and oxygen :)

Answer: respiratory system

Explanation:

which of these is a product of photosynthesis and a requirement for cellular respiration? a) carbon dioxide b) glucose c)water d) sunlight​

Answers

Answer:

b.) glucose

Explanation:

Hello There!

These are the products and requirements for both Photosynthesis and Cellular Respiration

For Photosynthesis

What is required: Sunlight, Carbon Dioxide and Water

The products: Oxygen and Glucose

For Cellular Respiration

What is required: Glucose and Oxygen

The products: Water and Carbon Dioxide

Now that we have some background information about the products and what is required lets look back at the question

which of these is a product of photosynthesis and a requirement for cellular respiration?

Out of the answer choices the correct one would be Glucose.

Glucose is indeed a product of photosynthesis and Glucose is also required for Cellular respiration to take place

Answer:

B. Glucose

Explanation:

mutations that eliminate a contiguous region in the drosophila embryo's segmentation pattern are called

Answers

Mutations that eliminate a contiguous region in the Drosophila embryo's segmentation pattern are called pair-rule mutations.

What is a pair-rule mutation?

A pair-rule mutation is a type of genetic mutation that disrupts the regular patterning of segments in the developing embryo of Drosophila, causing the loss of every other segment or segment half in the final adult organism. Pair-rule genes are responsible for the development of the embryo, and their mutations are called pair-rule mutations.

A pair-rule mutation eliminates a contiguous region in the drosophila embryo's segmentation pattern by disrupting the regular patterning of segments in the developing embryo of Drosophila, causing the loss of every other segment or segment half in the final adult organism.

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Bluebells in Different Locations
Plants known as bluebells exist in England,
Scotland, and the United States. In each of
these locations, however, the plant known as
a bluebell is very different from the plants
called bluebells in the other two locations.
Which of these is demonstrated by the information above?
O a
b
The need for controlling variables in experiments
The need for classifying and naming organisms scientifically
The importance of predicting trends from scientific data
The importance of questioning experimental evidence
c
Od

Answers

Answer: The need for classifying and naming organisms scientifically

Explanation:

what are the two main gases in the earth's atmosphere today?

Answers

nitrogen and oxygen r the main gases in the earths surface of atmosphere today in common

Answer:

n & O

Explanation:

nitrogen and oxygen

find a click the arrow that represents the direction in which the mRNA. like DNA mRNA is always built from the 5 direction to the 3 graph

Answers

Answer: the right

Explanation:

I jus did it rn

the top arrow . the arrow to the right

Plants make sugar from sunlight through ______.
A. Phloem

B. photosynthesis

C. Xylem

D. osmosis

Answers

Answer:

B. Photosynthesis

Explanation:

Photosynthesis is the process plants go through to make glucose, also known as sugar.

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Help pleaseeeeeeeeeee How do you think the colonized people felt? Why? i need help on all these ___proposed the open door policy for china The equation r = a describes a right circular cylinder of radius a in the cylindrical (r, t, z)-coordinate system. Consider the points P : (r = a, t = 0, z = 0), Q: (r = a, t = tmax, z = h) on the cylinder, and let C be a curve on the cylinder that goes from P to Q. Suppose C is parametrized as a(t) = (a cost, a sin(t), p(t)), 0 t tmax, where p(0) = 0 and p(tmax) = h. (4 pts) Express the length L(p) of C in terms of p. (Hint: You need to look up the formula for the length of a curve in cylindrical coordinates in your calculus textbook.) (4 pts) Apply the Euler-Lagrange equation of the calculus of varia- tions to find a differential equation for the that minimizes L(p). (4 pts) Solve that differential equation and conclude that the mini- mizing curve is a helix. To confirm your grasp of the key points in this chapter, try answering the following questions. 1. Why does a corporate entity need a constitution? 2. Explain the difference between governance and management. 3. What are the two aspects of the board's work that can provide a paradox for the unitary board? 4. Describe the scope of corporate governance. 5. What sort of companies might have an all-executive board? Gamboa, Inc. sold 120 selfie sticks for $15 each. If producing the selfie sticks had an average cost of $3, how much profit did the company make? Provide your answer below: Assume a Lear jet is crising (level, unaccelerated flight) at 40,000 ft with u_1 = 677 ft/s, 5 = 230 ft^2, weight = 13,000 lb, and C_Tx_1 = 0.0335. Find C_L1 and C_D1. Compute the thrust being produced by the lear jet in Problem Please help will mark brainliest!!Find the surface area of each figure. Round to the nearest tenth if necessary. Arab forces most likely fought with the United States in the Gulf War becausethey wanted greater US influence in the Gulf.they had a longstanding alliance with the United Statesthey hoped to invade Iraq for its oil supplies.they wanted to protect their own resources. All of the factory workers in a steel mill either purchased their breakfast in the company cafeteria, or brought their breakfast from home on Wednesday. 26% of the factory workers purchased their breakfast. 148 brought their breakfast from home. How many factory workers are employed at the steel mill? Let W = {(0, x, y, z): x - 6y + 9z = 0} be a subspace of R4 Then a basis for W is: a O None of the mentioned O {(0,-6,1,0), (0,9,0,1); O {(0,3,1,0), (0,-9,0,1)} O {(0,6,1,0), (0,-9,0,1)} Let w = {(:a+2c = 0 and b d = 0} be a subspace of M2,2. 2 W d } Then dimension of W is equal to: 4. O 3 1 O 2 O None of the mentioned A rectangle has a length of 16.2 in. The width is half length. What is the area, in square inches, of the rectangle (please hurry) When jeremiah stands in a swimming pool and looks at hid feet, his legs appear to be bent. Which is the term for this phenomenon?A. Diffraction B. Dispersion C. Reflection D. Refraction The linearized form for the above non-linear model is. . a = AB A B c.log x -log A+ ** log B log= log 4 + xlog B los d. tos 3) = log 4+ Blog of 3) = log 4 + Blog x log = x e log this is a word search 8th grade, pls show the editing I need help with marco polo esay no links Jim has 28 mangoes he gave Tom 8 how many does Jim has What were the names of the first 2 political parties that formed? The signers of the declaration historical background which idea introduced in the first two paragraphs is developed throughout the article