BIOLOGY HIGH SCHOOL

The three parts of an amino acid are the amino group, the carboxyl group, and the ??

Answers

Answer 1
Answer: The Answer is "R" group.
Amino acids are organic compounds and have two carbon bonds. The three parts of an amino acid are the amino group, the carboxyl group, and the R group. In amino acids, alpha carbon is bonded to hydrogen atom and the other groups. That R group is different in amino acids and shows how the protein monomers are different from each other. 
Answer 2
Answer: The last group that is included is the R Group.

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Which of the following undergoes change during a chemical reaction?A. atomic masses of elements in reactants
B. element identities of atoms in reactants
C. total number of electrons in reactants
D. chemical bonds between atoms in reactants

Answers

It D hope that helps Have a good day

DNA polymerase fails to recognize that an incorrect nucleotide has been incorporated, resulting in a mismatch. Which repair pathway will correct this mistake?A. Base excision repair
B. Mismatch repair
C. Direct repair by methyltransferases
D. Nucleotide excision repair

Answers

Answer:

The correct answer is B. Mismatch repair

Explanation:

Mismatch repair pathway recognizes the mismatched base pair that incorporated during DNA replication and then excise that incorrect base. After excision, it repairs the DNA.

The mismatched daughter strand is distinguished from the parent strand by mismatch repair system as the parent strand is methylated at some bases but the daughter strand is not methylated.  

Three proteins help in mismatch repair MutH, MutL, MutS. Mut H and Mut S recognize the mismatch, Mut H excise the unmethylated strand from 5' side. Then helicase and exonuclease enzymes clave the segment from cleavage site to beyond the mismatch base.  

The gap created by this action is filled by DNA polymerase and sealed by enzyme DNA ligase.

Final answer:

The 'Mismatch repair' pathway corrects mistakes when an incorrect nucleotide has been incorporated into a DNA sequence and DNA polymerase fails to recognize it. This pathway involves several proteins that recognize the error, excise the incorrect sequence, and re-synthesize the correct sequence.

Explanation:

When DNA polymerase fails to recognize that an incorrect nucleotide has been incorporated, resulting in a mismatch, the Mismatch repair pathway is in charge to correct this mistake. This system detects and repairs erroneous insertion, deletion, and mis-incorporation of bases that can arise during DNA replication and recombination, as well as repairing some forms of DNA damage. This process involves several proteins including MutS, MutL, and MutH. They recognize the error, excise the incorrect sequence and then re-synthesize the correct sequence using the original undamaged DNA strand as a template. The 'Mismatch repair' is a crucial mechanism to maintain the integrity of genetic information.

Learn more about Mismatch repair here:

brainly.com/question/32554302

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What are the components of blood?

Answers

The main 3 things that are found in your blood are waste (leftover food), Carbon Dioxide (what you breathe out), and ammonia 

Which of the following types of models would be most effective to demonstrate the relationship between distance and time? a. idea model
b. physical model
c. computer model
d. none of the above

Answers

Out of the following types of models, the most effective to demonstrate the relationship between distance and time is the idea model. 

Answer: Option A Idea model

Explanation:

  • In science, a model is used to represent an idea, an object or even a process or a system and all of these are used to explain the phenomena that are difficult to be experienced directly.
  • There are many scientific models that are used and one of them is an idea model.
  • An idea model is a scientific model which is used to study relationships between variables that can either be graphed or placed into an equation.
  • Since time and distance are the variables that can be both plotted on a graph and placed into an equation, their relationship is represented by an idea model.



How many electrons are in the outer energy levels of the highlighted group of elements

Answers

Where is highlighted group?

btw, you can calculate that by the number of group, it would be equal to that...

where is the highlighted group?

What type of cells are produced after fertilization occurs and the gametes combine?

Answers

A diploid zygote, I hope this helps

The cell is called a zygote.
Hope that helped you.
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