Question

In: Biology

Q1. Choose all enzymes that participate in the translation processes. ( Select all that apply.) A....

Q1. Choose all enzymes that participate in the translation processes. ( Select all that apply.)

A. release factors

B.DNA polymerase II

C.aminoacyl tRNA synthetases

D.large subunit ribozyme

E. DNA polymerase I

D. DNA polymerase III

Q2.  Which of the following is not a disorder caused by the aggregation of misfolded protein?

A. Parkinson's Disease

B. sickle-cell anemia

C. Huntinton's Disease

D. Alzheimer's Disease

E. alkaptonuria

Solutions

Expert Solution

Answer 1- correct options are A, C, D

The enzymes which are participate in translation are

release factors, aminoacyl t-RNA synthetase and large subunit ribozyme.

Explaination-

​​I) A release factor is a protein that allows for the termination of translation by recognizing the stop codons in an mRNA sequence. They are named so because they release new peptides from the ribosome.

ii)Aminoacyl-tRNA synthetases play an indi rect role in translation. It helps in activation of specific amino acid by catalyzing the attachment of a given amino acid to the 3' end of its cognate tRNA.

Iii)Ribozymes (ribonucleic acid enzymes) are RNA molecules that have the ability to catalyze specific biochemical reactions. They helps in linking amino acids during protein synthesis.

RNA polymerase I synthesizes pre-rRNAs, RNA polymerase II synthesizes precursors of mRNAs and most snRNA while RNA polymerase III synthesizes tRNAs & rRNA 5S.

Answer 2- correct answers are A, C, D

Most of the nuronal disease are caused by aggregation of various proteins in central nervous system. The most popular neuronal disease caused by proteins aggregation are Parkinson's disease, Alzheimer's Disease & Huntington's disease.

Explaination-

i)Parkinson's Disease marked by the production of alpha-synuclein clumps in brain.

ii)Alzheimer's Disease is characterized by aggregation of the tau protein in brain.

iii) Huntington's Disease is caused by aggregation of Huntingtin protein in brain.

However sickle cell anemia and alkaptonuria are genetic disorder. The characteristics of sickle cell anemia is the sigmoid shaped blood cell due to mutation in 6th position of beta chain of haemoglobin while the alkaptonuria the body unable to properly break down certain amino acids (tyrosine and phenylalanine). As a result, a substance called homogentisic acid builds up in the skin and other body tissues.


Related Solutions

List all the components that directly participate in the translation elongation step. CHOOSE ALL THAT APPLY
List all the components that directly participate in the translation elongation step. CHOOSE ALL THAT APPLY EF-Tu IF1, IF2, F3 GTP small and large ribosomal subunits forming a monosome stop codon various tRNAs charged with respective amino acids AUG start codon mRNA
How is coupling of transcription and translation possible in bacteria? Select all that apply. Select all...
How is coupling of transcription and translation possible in bacteria? Select all that apply. Select all that apply. as soon as an mRNA is transcribed, ribosomal subunits have physical access to it there are membranes separating the chromosome from ribosomes bacterial transcripts do not contain introns the primary transcript without the complete open reading frame bacterial ribosomes cannot translate the mRNA without pre-mRNA splicing
Which of the following is required for efficient translation of an mRNA? Choose all that apply....
Which of the following is required for efficient translation of an mRNA? Choose all that apply. Group of answer choices A strong promoter A poly A tail A Kozak consensus sequence A signal sequence A 5' cap
Which of the following homeostatic processes requires calcium? (Select all that apply.) Check All That Apply...
Which of the following homeostatic processes requires calcium? (Select all that apply.) Check All That Apply neural communication blood clotting bone repair and growthbone repair and growth production of gametesproduction of gametes muscle contraction
1) Which of the following are TRUE about the process of translation? (Select all that apply)...
1) Which of the following are TRUE about the process of translation? (Select all that apply) Transcription factors attach to the mRNA to promote its circularization in the cytoplasm Binding of the large ribosomal subunit is the end of the initiation stage The third base of a codon permits wobble pairing Charged tRNAs enter the P site prior to being added to the protein chain There are three stages: initiation, elongation, and termination The process cannot be regulated until after...
Which of the following events occur during eukaryotic translation initiation? Select all that apply. Group of...
Which of the following events occur during eukaryotic translation initiation? Select all that apply. Group of answer choices a) GTP bound to EF-G is hydrolyzed to GDP. b) A helicase eliminates secondary structure in the 5' UTR of the mRNA. c) The ribosome finds the start codon on the mRNA. d) A methoinine specific tRNA molecule binds to the A site of the ribosome. e) Proteins bound to the 5' cap associate with ribosome associated proteins. f) Peptide bond formation...
Which of the processes below are spontaneous at room temperature? Select ALL that apply. The decomposition...
Which of the processes below are spontaneous at room temperature? Select ALL that apply. The decomposition of liquid water into hydrogen and oxygen gasses. Sodium chloride salt dissolving in water. An ice cube melting in water at 25oC. An ice cube forming in water at 25oC. Which of the following statements about entropy are true? Select ALL that apply. If the entropy of a system decreases, the entropy of the surroundings must increase. Gases generally have a higher entropy than...
1. Mutations within a DNA sequence _____________. Choose all that apply * are natural processes always...
1. Mutations within a DNA sequence _____________. Choose all that apply * are natural processes always affect the phenotype. are unnatural processes. decreases genetic diversity. increases genetic diversity. never affect phenotype. 2. A process by which individuals that are better suited to their environment survive and reproduce most successfully best describes: * acquired characteristics the bottleneck effect natural selection mutations 3. A biologist analyzes the DNA sequences in three different lizards. The biologist finds that lizards A and B have...
Which of the following metabolic processes only occur in the liver? (select all that apply) Removal...
Which of the following metabolic processes only occur in the liver? (select all that apply) Removal of nitrogen waste through the urea cycle Glycogen degradation Ketone body synthesis Glycogen synthesis
Select operative ways to produce a magnetic field. choose all that apply. a. with charged particles...
Select operative ways to produce a magnetic field. choose all that apply. a. with charged particles moving in random directions b. with a non-connected wire c. with a fixed negative and positive point charges d. with a permanent magnet e. with charged particles moving in the same direction f. with a current-carrying wire
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT